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Harry The Hamster
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Genuine TF536 PCBs with bird seed (bottom SMT parts assembled).
NOTE: Because of the virus it may take up to 3 months for your order to arrive. If you do not accept this, then please do not order.
NOTE: support is via the exxos forum only.
I also sell PGA sockets, item #0181, and 030 CPU item #187.
The successor to the V2.2 ST BOOSTER. This 2020 /2021 (rev 1.4) edition uses a smaller board and 16MHz DIP CPU instead of the PLCC68 HC variant. Booster comes assembled and tested with CPU ready to use. The booster also has the TOS206 decoding on board. You will need a suitable DUALTOS board. Currently I only produce one for the C070789 or MEGA ST boards. If you have a H4/H5 series remake board, then they already have a DULATOS ROM socket, so you can just plug in the booster and connect up.
This board was developed on the H5 series motherboard. There is no reason why this booster cannot be used on original ST/F/M machines (but may not physically fit in the case without further modifications), however all the mandatory fixes must be done prior to installation. As there are so many issues with original machines and there could likely be other problems, particularly across the vast number of motherboard revisions, I am not officially supporting this booster with original machines anymore.
TF536 ST EDITION REV 3 PCBs with bird seed (bottom SMT parts assembled). The ST EDITION TF536 has been modified to work better on the ST series of machines and includes a on-board ROM socket and built in TOS206 decoder. Board works with 64MB TTram. The IDE port is not functional on this pre-release beta board.
NOTE: There may be a few days delay before shipping commences. Also note, this TF536 variant is not compatible with previous generation TF536 boards or firmware and is not compatible with Amiga etc.
I also sell PGA sockets, item #0181, and 030 CPU item #187.
STE V1 32MHz Solder in booster. Kit is tested and assembled.
DO NOT ATTEMPT TO INSTALL THIS UNLESS YOU ARE GOOD AT SOLDERING. IF IN DOUBT GET SOMEONE TO FIT IT FOR YOU AS DIAGNOSING DAMAGED MACHINES IS VERY COSTLY AND NOT A SERVICE I OFFER ANYMORE.
New built and tested STE 32MHz booster (includes CPU). This booster also needs the STE FAST TOS kit SUCH AS CODE 0048.
Please make sure your STE has a socketed 68000 before ordering!
STE V1 series BETA 32MHz Plug-in in booster. Kit is tested and assembled. This booster also needs the STE FAST TOS kit SUCH AS CODE 0048.
Please make sure your STE has a socketed 68000 before ordering!
74F257 DIP 16. Update or replacement for the 74S257 commonly found in STEs.
I have tested these CPUs in a TF536 on a ST at 50MHz by running them for a minimum of 2 hours doing constant integer divisions to heat up the CPU as much as possible. I have also run GB6 several times to visually see there is no corruption.
These will be stamped as RC33,RC50 etc. Though as China reprints them all, its really irrelevant what's printed on them anymore. Picture for illustration only.
I also sell small stick-on heatsinks item #0222
These Blitters are suitable for upgrading the STFM's to include the blitter or replacements for STE, MEGA ST machines etc
I am unable to source these anymore :(
Standard 5V 50MHz oscillator in DIP8 size package (4pins)
Picture for illustration only.
New tested MC68HC000 CPU. Will also work as a replacement for the STE CPU running at 8MHz. These CPU's are low power versions of the 68000 CPU commonly used in the STE and MEGA STE computers. These use a lot less power and run cool even at higher speeds. These CPU's generally run up to about 32 but not guaranteed.
These CPU's greatly solve -38 DMA ("Bad DMA") issues in the STE. No need to change the DMA chip, swap with this CPU first!
Replacement for the MC68901 MFP as used in many ST's.
MC68B50 ACIA - Can be overclocked faster than the older 6850. Ideal for replacement of faulty or where keyboard faults happen with my boosters fitted. These are generally as new or pulls from working hardware. All tested.
DIP 14 type 5C OSC 32.084988MHz .
(These were expensive to obtain sorry!)
YM2149 / 8910 etc SOUND IC for Atari ST/F/M/E etc. Chips are pulls or NOS and may have cosmetic marks. All chips have been tested and manufacture will vary.
New blank 27C1001 10ns EPROM 32 pin. Normally used in STE,MSTE etc. Sold in packs of 2.
NEW STV8438CV FALCON VIDEO DAC
Tested replacement MC68000FN8 CPU for the Atari STE / MEGA ST computers. CPU brand generally MC or ST etc.
Replacement CPU for the ST/STF/STFM/MEGA ST Machines.
Image for illustration only.
Tested Used video shifter for ST/F/M
Tested replacement MMU C025912-38 for the Atari STF/M/MEGA ST computers.
Tested replacement GLUE C025915-38A for the Atari STF/M/MEGA ST computers.
Suitable for the Falcon or any other machine which requires a 68882 FPU. Fully tested (each instruction) at 16Mhz. Generally these will overclock to 64MHz.
New low profile RTC chip to replace the older/faulty NVRAM chips in the Falcon. This design uses a external CR1220 battery (not included) to power the RTC module. This module is assembled and fully tested.
NOTE: You may need to place some thick card (if re-fitting the shielding) above the RTC module (glue card on underside of shielding) , otherwise the metal could short the battery 5V to gnd! Modifications to the shielding may also be needed ( or just leave it off!)
NOTE: You must use the low profile socket with this module, item #0112
Tested used ST/F/M/E DMA
NEW tested WD1772 Floppy controller IC for Atari computers etc.
These IC's are capable of 8MHz & burst speeds of 16mhz and are suitable for use with my 720k / 1.44 floppies kits.
This chips are NOT sourced from China! Picture for illustration only.
NEW tested VL1772-02 Floppy controller IC for Atari computers etc.
These IC's are capable of 8MHz & burst speeds of 16mhz and are suitable for use with my 720k / 1.44 floppies kits. These generally run hotter than the WD1772.
New tested IMP DMA. Generally used in ST/F/M/H4 motherboards. IF your board already has a IMP DMA then there should be no problem. However IMP DMA will not work in all motherboards , in particular STE machines.
80pin SMT MMU. Fits Some later STFM machines and the H4 remake board.
80pin SMT GLUE. Fits Some later STFM machines and the H4 remake board.
New pack of 5 in cut tape STM32F042F6P6TR. Sourced from the manufacturer not from China!
PLCC 52 MFP MC68901 NEW & TESTED.
HTM50 Digial amplifier module 25+25watts into 8R single 24V rail PDF
HTM50S uses a high quality MAXIM MAX9709 chipset which can deliver superb
sound quality up to 50watts RMS with up to 87% efficiency.The HTM50 module
is operated from a single supply rail from 12V to 24VDC and typically
requires just 0.5amps (500mA) of supply current (2amps max) under full
load.Module has onboard 5V regulator which can be used to power external
logic or used as a logic pullup rail. The board measures about half the
size of a credit card 60mm x 38mm x 12mm (LxWxH) approx.
Available until stocks are exhausted.
New injection molded 2600 / 7800 cartridge shell. Looks and fits like the originals.
Available until Stock exhausted.
Assembled funky PLCC to normal PLCC socket adapter. Converts funky PLCC layout to generic PLCC layout. Ready to solder in.
Ideal for replacement sockets or adding a blitter etc.
NOTE: Pins need to be trimmed after soldering. The board should a small piece of card underneath to prevent the socket pins shorting out on the motherboard. Generally two layers of cereal box card is okay, but please check this before soldering in place.
Available until stocks are exhausted.
Standard PLCC 68 through-hole socket.
PCB adapter kit to convert the "funky" PLCC68 layout into a
modern PLCC68 socket. Kit includes PCB, PLCC68 socket and header pins.
Pins supplied in strips 6 strips of 16 pins. 2x16 cut in half for 4x8 strips. 4x16 way strips to be cut into 9 way strips.
Available until stocks are exhausted.
General 72 pin vertical simm socket for Atari or Amiga projects.
General 72 pin 45deg angle simm socket. (simm not included).
A good quality 30pin simm socket. Ideal for replacements on the STE etc.
Sockets are sold individually.
3M brand PLCC44 socket. Used on DUALTOS boards and remake motherboards mostly.
24 Pin 0.6in Turned Pin Socket . Fits WD1772 etc
Picture for illustration only.
3M BRANDED 40 PIN SOCKET, fits SHIFTER, DMA,YM2149 etc. Sold individually.
48 PIN SOCKET, fits MFP. Pack of 2.
NEW 128 PGA socket for 030 CPU. Sourced from reputable manufacturers.
Picture for illustration only.
New turned-pin 64pin DIP socket - suitable for the 68000 DIP CPU.
These are quality Tyco brand, not cheap China sockets!
Ultra low profile Turned pin sockets as normally used for Falcon NVRAM etc. 1.5mm black plastic thickness.
USED PULLS from working machines. Sockets will need pins cleaning (of solder) and straightening etc. Picture for illustration only.
Ideal if you need to use your joystick or mouse further away from the Atari than normal.
IDE HEADER 2MM 2X22. PIN LENGTH 8.8mm approx. PACK OF 2.
New connector for "exxos" PSU's for the Falcon 030. Professionally made a by a UK cable manufacture. Cable ends are tin plated ready to solder.
5 lengths of gold plated 40 pin strips as used in many of my upgrades. Ideal for spares or own projects or repairs etc.
Thin pin end is approx 0.5mm dia, 4mm long.
Thick pin end is approx 0.6mm dia, 3mm long.
10 lengths of 40 pin strips as used in many of my upgrades. Ideal for spares or own projects or repairs etc.
Total pin length approx 11.55mm. Pin dia approx 0.65mm.
Primarily used on the remake boards, but also can be used on originals. 34 WAY.
5 lengths of 40 pin socket strips as used in many of my upgrades. Ideal for spares or own projects or repairs etc. Can be used to make custom length DIP sockets etc.
Quality AMP right angle 72 pin simm socket.
Useful little adapter to convert 2.5" IDE drives to CF flash cards.
Ideal for Falcon IDE or IDE board capable of using CF cards.
Cables sold separately.
IDE 2.5" 44pin female to female. Cable length is approx 6cm.
22CM Cable for use with my 4MB RAM upgrade (0035). Fits STM & SILLY STYLE STF/M motherboards
30CM Cable for use with my 4MB RAM upgrade (0035). Cables mostly used for fitting in the MEGA ST.
D-sub 25 PCB mount female connector for parallel/printer port.
D-sub 25 PCB mount male connector for ST serial port.
NEW unused right angle PCB DB19 Female connector.
NOTE: There are several variations of DB19F as used on Atari motherboards over the years, so if this is used as a replacement the 2 large mounting holes may not align correctly and may need modification.
NEW unused right angle PCB DB19 Female connector solder post type.
NOTE: There are several variations of DB19F as used on Atari motherboards over the years, so if this is used as a replacement the 2 large mounting holes may not align correctly and may need modification.
DB19 Female for Atari ST hard drive port (ASCI) PCB mount screw hole fixing.
14 PIN DIN PCB socket for external floppy drives on Atari ST.
Great quality fast charging Nylon Braided Micro USB Cable. 1 Meter length.
Great quality fast charging Nylon Braided Micro USB Cable. 2 Meter length.
13 PIN DIN plug which fits the RGB/monitor port on the STF/E machines etc.
PRO-SIGNAL (PSG02613) 5 pin din female / socket connector. Ideal for MIDI patch cables etc.
Sold in packs of 2.
Available until stocks are exhausted.
5 Pin MIDI DIN Plug (PLS00519) with Metal Body & Rubber Strain Relief. Ideal for MIDI patch cables etc. Sold in packs of 2.
Available until stocks are exhausted.
13 pin DIN PCB mount socket (ST video connector)
New ST PSU connector manufactured by a professional cable company. Intended for use with the exxos PSU's. Cable may fit some original ST PSU's but please check. Wire length is approx 30mm (excluding housing). Wire ends are tin plated ready to solder.
Available until stocks are exhausted.
New ST PSU connector manufactured by a professional cable company. Intended for use with the exxos PSU's. Cable may fit some original ST PSU's but please check. Wire length is approx 45mm (excluding housing). Wire ends are tin plated ready to solder.
Standard 2.54mm tall jumper links. Sold in packs of 10.
Standard 2.54mm short jumper links. Sold in packs of 20.
USED ST cartridge connector with bracket.
New DB25F to DB9F Diagnostic cable to connect your machine to a PC to use a diagnostic cartridge ( #0165 ). Cable is approximately 2m long.
New 9 pin mouse / joystick extension cable. Approx 12" length end-to-end. Sold individually.
This kit is needed if you
want to use 1.44 floppies on your ST/STE/MEGA machines. The board is fully
automatic and will switch between 720K and 1.44 mode without the use of
drivers or special software or TOS patches etc. You can use internal or
external drives in either 720k or 1.44 mode.
V7 series fixes TOS206 issues where sometimes it is patched to work in
the wrong step rate mode for accessing 720K floppies. Also V7 series has
the media change fix so TOS behaves better when the floppy is changed.
V6 series is slightly smaller than the V5 and now uses single GAL IC. V7 also includes DMA pull up resistor which will help solves some DMA related issues.
You also need a modded floppy drive such as the one I sell HERE
. Please note if you use any other drive with this kit, then I will not
be able to assist if you have any problems. Please note the 1772 is not included in this kit. Image is for illustration and kit is not assembled.
Available until stock is exhausted.
New Sony MPF920 floppy drive updated which are working to the maximum extended format of
22 sectors 86 tracks. These drives are later MPF920 models which work reliably
on Atari computers (some early MPF920 drives are not reliable) These drives
are a ideal as a replacement drive or to match my 1.44 floppy kit upgrade.
Please note some minor case modifications are needed around the eject button. See HERE and HERE.
If you are replacing a 720k drive and plan to use this drive with 1.44 floppies, then you need one of my floppy upgrade kits #0041
Please note The floppy cable needs to be inserted upside down to use this drive and you will need to modify the internal jumper to use as a internal floppy drive as shown the info link.
Refurbished ALPS floppy drive modded for Atari Use. Supports extended formats (11S / 82T , 22S / 82T). Drives are cleaned and considered good overall condition. Please note these drives are used and may contain minor marks, scratches, rust etc. Drive has black face plate.
Please note some minor case modifications are needed around the eject
button. See HERE
and HERE.
Available until stock is exhausted.
Refurbished ALPS floppy drive modded for Atari Use. Supports extended formats (11S / 82T , 22S / 82T). Drives are cleaned and considered good overall condition. Please note these drives are used and may contain minor marks, scratches, rust or discolorations etc. Drives are generally beige, or white front plates.
Please note some minor case modifications are needed around the eject
button. See HERE
and HERE.
Available until stock is exhausted.
Refurbished 720K Double sided drive with front. These drives
are mostly Epson/Sony drives, but can vary. Drives have been cleaned and
tested fully. Drive heads have been cleaned etc.
Please note as these drives are old, they may have some rusting on the drives outer case. This in no way affects the operation of the drive.
I am struggling to find working 720K drives these days so I am not sure how much longer they will be listed in store.
Picture for illustration only.
Replacement drive belt for the original long button floppy drives.
Standard 4 pin floppy power cable. approx 6 inches long.
The purpose of this board is to alleviate the problem of having to physically twist the cable and using a more modern MPF920 1.44mb floppy drive. It also solves the problem of having to dismantle the drive to alter the drive ID select. Also as noted the mandatorily fixes, the 1772 needs pull-up resistors to function correctly and these are also included on this board!
NOTE - While you can use a 1.44 floppy drive, this board does not add 1.44 support. You need a kit like ITEM #0041 to add support for 1.44 floppies.
A useful 10 inch (approx) custom made extension cable to extend the internal floppy drive cable. Will allow HxC2001,gotec etc to be fitted internally should the current cable be to short. The cable can be easily folded under , or over, the drive to allow a easy "twist" in the cable without straining or breaking the motherboard cable & connectors.
OPTOCOUPLER USED ON REMAKE BOARDS ONLY. ALPHA,H4,H5.
Picture for illustration only. Brands may vary.
74LS11 SMT AND GATE (U2) AS USED ON THE H4,H5 ONLY.
Picture for illustration only. Brands may vary.
74LS06N HEX INVERTER. As used on most machines on the floppy circuit.
Picture for illustration only. Brands may vary.
74LS245N BUS TRANSCEIVER.
Picture for illustration only. Brands may vary.
74LS07N BUFFER & LINE DRIVER
Picture for illustration only. Brands may vary.
74LS02N QUAD 2 INPUT NOR GATE.
Picture for illustration only. Brands may vary.
74LS244N 3 STATE BUFFER DRIVER. Sold in packs of 2.
Picture for illustration only. Brands may vary.
74LS373N D-TYPE TRANSPARENT LATCH. Bus isolator as used on ST related machines. Sold in pack of 2.
Picture for illustration only. Brands may vary.
74F244N 3 STATE BUFFER DRIVER
Picture for illustration only. Brands may vary.
74F373N D-TYPE TRANSPARENT LATCH
Picture for illustration only. Brands may vary.
New 2 button ball PS2 mouse. Ideal for use with PeST.
Available until stock is exhausted.
PeST is the acronym for PS2 enumerator for the Atari ST. It enables any PC PS2 mouse to be used with the Atari ST / STF / STFM / STE / Mega / Mega STE / TT / Falcon etc.
PeST supports 3 useable speed modes from original (speed 1) to fast (mode 3). Mode 3 is default which is faster than the original ST mouse.
The device is completely automatic and fully plug and play.
New replacement mouse switches (large type). Pack of 2.
New replacement mouse switches (small type). Pack of 2.
Cleaned & disinfected Atari mouse. These mice look almost like new and have new switches fitted.
New replacement MFP 2.45760MHz Crystal.
Branded black self-adhesive heatsink. Approx 19mmx19mmx4mm.
PCB ONLY for the H4 buffer fix.
Contains various capacitors to replace the ones used in failing STFM video circuits.
10K SIL resistor. Generally used on ST/STF/STFM/STE/MEGA ST as part of the DMA fixes.
Picture for illustration only. Brands & colours may vary.
1.2K SIL resistor pack P100 for STE only.
Picture for illustration only. Brands & colours may vary.
5x 2.2K SIL resistors to upgrade ST/STF/STFM/STE/MEGA ST bus resistors.
Picture for illustration only. Brands & colours may vary.
Version 2 (blue board) of the clock buffer for the Falcon 030 machines. This board cleans up and buffers the falcon default clocks which is attributable to noises and crackles in audio applications or glitches in SCSI transfers.
A quality quiet 12V sunon 40x40x20mm fan. Will fit MEGA ST PSU etc.
BACK=0V. RED=12V, YELLOW=NC;
H5 A3 & B1 assembled AMP FIX PCB. Fixes the low volume output of the X2 MIDI synth module.
12V 40x40x10mm ~ 50mA. Quiet 26dB, Fluid Bearing fan. Ideal as compatible replacement fan for the falcon.
BLACK=0V. RED=12V
Image for illustration only.
Trudie V5.2 BETA, a acronym for "True IDE" is a advanced IDE interface with automatic byte swapping. This allows you to use CF cards in Windows and ST without the slowdown of normal byte swapping in software. Trudie operates at the maximum possible speed on a 8MHz system. Unlike other inferior IDE interfaces, Trudie supports a wide range of CF cards.
NOTE: You need at least HD8.47 by Uwe Seimet www.hddriver.net to use Trudie. This is 5V only BETA. IDE interface has already been proven and tested in previous builds, though byte swapping (only currently tested in TOS206 with HD10,11) Is new and is in BETA testing. Price for final versions of 5V Trudie will be at least double. V5.2 is sold at discount because of BETA version. Trudie V5.2 is designed for 5V ports on H4/H5 motherboards. It should also work on original machines with all the mandatory fixes done, but is not officially supported.
Similar to CTCM but this module is set via a simple 22 turn resistor pot. This can be adjusted from 60MHz to over 100MHz. This module has been designed to work on CT60's which never worked with CTCM or where CTCM has stopped working for no reason. Please note I cannot guarantee it will work in all problematic CT60's.
As this does not require software, if overclocking locks up your falcon, you just need to adjust the resistor pot and reboot, simple! This module is ideal for working out the max speed of your CPU/CT60/CT63. Preset speed is approx 85Mhz.
Available until stocks are exhausted.
2x capacitors to Upgrade the failed ones in the ST/F/E Reset circuit. This fixes various power up reset issues.
The 3-in-1 monitor adapter is a small piece of hardware that plugs into the monitor port of the Atari
Falcon030. Its main purpose it to make it possible to connect the Falcon to a monitor using a
standard VGA cable. It also provides a switch to toggle between RGB and VGA video modes
(useful for monitors that accept both RGB and VGA frequencies), and an external clock signal to the
Falcon030 video chip (to enable higher screen resolutions) compatible with the Blow-Up software.
The monitor adapter comes with a 40MHz oscillator which can be changed on the onboard socket for a faster one such as 50MHz (sold separately , but not all Videl will apparently run at that speed) . The oscillator provides an external clock signal to the video chip of the Falcon to make it possible to achieve higher resolutions than
the standard video modes when used in combination with the Blow-Up software.
NOTE: You need a 5V USB PSU to power the board (not included) I do not recommend using phone chargers for this either (You do not need the osc or power to the board to use standard falcon resolutions). The OSC has a sharp corner which corresponds to the sharp corner on the pcb silk screen print (do not go on the socket orientation) . The DB19 screws must be taken out of the socket to fit in the falcons video connector.
Adapter designed by dhedberg, produced by exxos.
Refurbished STFM/STE keyboard. Thoroughly cleaned and ports re-soldered.
Picture for illustration only. Cannot guarantee yellowing free.
These have been refurbished by Steve from solidstatesociety.co.uk
A really cool breadboard PSU. Accepts 7-12V via DC jack input or obtains 5V from USB connector. Jumpers on board can switch between 3.3V or 5V output on both sides. Output current 500mA on 3.3V and 5V outputs.
All-IN-ONE cartridge PCB assembled and tested. Has Atari diagnostic software for, ST,STE,MSTE,TT,030. Also has the new RAM test software by chzsoft, and GEM BENCH 6 benchmarking software. Software is selected by jumper links on board. The settings for these are conveniently printed on the PCB itself.
I strongly recommend also buying a diagnostic cable to hook up your ST to your PC should there be no video output etc item #0191
Simple ST2VGA adapter to connect the ST/F/M/E to a multisync VGA monitor. Colour / MONO switches done by a simple jumper on top of the board. The adapter also has a standard audio output jack.
NOTE: your monitor needs to support 15KHz otherwise you are not be able to use colour mode)
Virgin C070789 STFM MOTHERBOARD. Revision will generally be C,D,E,F. These include TOS1.04 UK which is the rare original ROM's. They come with 512K RAM which is also tested. These boards power up and run GemBench6 just fine. These boards are the best revision for modding and tweaking.
I must however stress due to the age of these boards and the rough postal system, I cannot guarantee operation on arrival. So buyers must take this into consideration and expect some troubleshooting. I will package these are carefully as possible.
Picture for illustration only.
If you live in fear of your efforts of "fixing" your ST/Falcon PSU (which you should be as falcons are kinda expensive!) Then I suggest buying these dummy load resistors to test your PSU under load before reinstalling it back into your machine. NOTE you CANNOT test switchmode PSU's without a load, it will malfunction!
Resistors are simply pushed into the PSU connector. 5V uses 2.2R (loads 5V rail with 2.2amps) and 12V uses 10R (loads 12V rail with 1.2amps). Then you can measure the PSU under the load resistors and make sure the voltages are correct. Note these resistors are rating for continuous use, but get EXTREMELY HOT very quickly. So I suggest not running them for more than 30 seconds at a time. Connections to PSU connector are.. 10R in blue and black... 2.2R in red and black.
This kit replaces any of the 4,700uF axial capacitors found in many Atari's with a higher value and much higher surge current rating than the original. Value is appox 5,500uF at 8amps surge capability.
Kit includes PCB, header pins, 8 quality low ESR capacitors.
All Atari's should have this upgrade done. This kit will help to improve
audio,video,hard drives,stability etc of your Atari.
Contains:
Top rated quality, low ESR, High ripple capacitors.
1x 47UF, 400V - Replaces 400V 47uF
1x BRIDGE RECTIFIER - Replaces 2A rectifier (PCB holes may need drilling
with 1mm drill to fit)
2x CAPACITOR, 16V, 1500UF - Replaces all 1000uF caps.
3x CAPACITOR, 16V, 4700UF - Replaces all 2200uF caps.
Kit now also contains:
1x 1K resistor
1x 1.2K resistor.
1x STPS10H100CFP - replaces the output diode pack HRW34 (right side heatsink )
All Atari falcons should have this upgrade done.This kit will help to improve audio,video,hard
drives,stability etc of your Falcon and reduce the risk of noise spikes killing the motherboard.
Contains Top rated quality, low ESR, High ripple capacitors.
3x 1,000uf replaced with 3x 1500uF
1x 33uF 400V replaced with 47uF 400V
1x 330uf replaced with 680uF
2x 47uF & 1x 22uF replaced with 47uF (ripple filter capacitors)
1Amp rectifier replaced with 2Amp
All Atari's should have this upgrade done.This kit will help to improve audio,video,hard
drives,stability etc of your Atari.
Contains:All caps required to upgrade. Top rated quality, low ESR, High ripple branded capacitors.
A good write up can be found here on my forum https://www.exxoshost.co.uk/forum/viewtopic.php?f=9&t=300
All Atari's should have this upgrade done.This kit will help to improve audio,video,hard
drives,stability etc of your Atari.
Contains:
Top rated quality, low ESR, High ripple capacitors.
680uF 25V x3
16V 4700UF x2
250V 47UF x2
BRIDGE RECTIFIER - Replaces 2A rectifier (PCB holes may need drilling with 1mm drill to fit)
Pack of 3. 20mm 4A quick blow fuses for the exxos PSU range.
New designed PSU to fit STF/M/E/MEGA ST/Falcon machines. Features include safe low voltage operation via a efficient toroidal transformer. PSU has much better regulation (10x easily) and cooler running than the original Atari PSU's. Fits on original PSU framework (not included). PSU connector not included (see codes 0095 & 0163 under connectors section).
PSU can deliver up to 5amps on the 5V rail and up to 3amps on the 12V rail. Design only use 1 bulk electrolytic and uses SMT ceramics. Click the info icon for more info.
NOTE: PCB colour is currently blue. There are a couple of red ones left ( at the time of typing) , request red in checkout notes if you prefer red.
Refurbished and re-capped original PSU. These have been updated with quality switchmode rated low ESR high current capacitors and a new original PSU switch. Picture for illustration only. PSUs are generally DVE,ASP,SR98 types.
These have been refurbished by Steve from solidstatesociety.co.uk
Designed to fit H4 & H5 series motherboards to provide approximately 12V when only using a 5V only power supply. It is designed to plug into the auxiliary floppy power connector and can deliver up to 250mA.
Tested 16MB 72pin 60ns SIMM. Ideal for RAM expansions for the Falcon etc.
Picture for illustration only.
Low cost assembled & tested 4MB RAM UPGRADE kit for later STF/M motherboards. Fits under the PSU section. It can be switched from 1MB to 4MB for software that will not run on 4MB.
Only fits later revision motherboards
such as C070789, Where there are normally 4 rows of DRAM as shown
DO NOT ATTEMPT TO INSTALL THIS UNLESS YOU ARE GOOD AT SOLDERING. IF IN DOUBT GET SOMEONE TO FIT IT FOR YOU AS DIAGNOSING DAMAGED MACHINES IS VERY COSTLY AND NOT A SERVICE I OFFER ANYMORE.
Tested reconditioned simms sold in set of 4 (1MB x4 = 4MB) .
Picture for illustration only. Sets may include different brands,speeds etc, this does not have any effect on operation.
Assembled 72 PIN SIMM adapter card for the falcon 030. PCB layout has been carefully designed to use the bulk of the copper area for 5V and 0V rails. Board has a generous 100uF ceramic capacitance for ultimate stability. Advantage of a simm are they are easy to swap when experimenting with bus speeders and as DRAM is prone to failure, it is easy to change should a DRAM IC fail.
IMPORTANT! While the design is as small as possible, the top of the board is very close to the metal shielding, so you will need to use some thick card to use as a spacer to make sure the shielding doesn't short on top of the board!
Requires a 16MB simm which gives the maximum 14MB of usable ST-RAM.
Shifter adapter PCB for the 4MB MMU kit ( item #0030). This is a spare shifter PCB kit, includes PCB, capacitor, ribbon header only.
The RAM upgrade plugs over the MMU and SHIFTER. The DRAM is compacted ontop
of the MMU adapter PCB making the design ultra small and compact and does not
require simms. There is a jumper link which can be connected to a toggle switch
to enable 1MB mode or 4MB mode. This gives maximum compatibility for ST software
which will only run with 1MB RAM. If your shifter is not in a socket then you
will need to unsolder the shifter to plug into the board.
The MMU board is supplied assembled. The Shifter board is supplied as a kit.
Cables are available to fit into MST/STM/STF/M and are now sold separately. See items 0014,0149,0025.
DO NOT ATTEMPT TO INSTALL THIS UNLESS YOU ARE GOOD AT SOLDERING. IF IN DOUBT GET SOMEONE TO FIT IT FOR YOU AS DIAGNOSING DAMAGED MACHINES IS VERY COSTLY AND NOT A SERVICE I OFFER ANYMORE.
New simms manufactured & tested in 2019 by exxos. This is a kit of 4 simms (4x 1MB 30 pin) to upgrade the STE to 4MB of ST-RAM. Simms are 70ns non-parity. Lower power consumption.
Please note the PCB colour of the 2019 batch of simms is now blue.
Only handle and insert these simms on the OUTSIDE of the PCB (not the center as it can cause damage due to board flex).
NOTE - if you have previously used simms greater than 1.5mm thickness on the connections, you will have to change the sockets as such simms are to wide for the STE sockets and will likely have damaged them.
New DRAM 1x256k Supplied as chips on antistatic
foam. This will upgrade 512K machines to 1MB.
Note this only works with machines with the RAM banks as shown in the image, or C070789 Type motherboards.
Note: various brands or speeds of DRAM may be supplied. This in no way affects operation. Kit includes 3x33R resistors. Capacitors are sold separately.
4x 20 pin NEW DRAM CHIPS 44256BP 256x4 - NEW & TESTED. Suitable for C103175 type motherboards. Will upgrade 512K machines to 1MB (1024K).
Will also fit some MEGA ST machines such as C103277. Please check RAM is compatible before ordering!
Note: various brands or speeds of DRAM may be supplied. This in no way affects operation. Capacitors are sold separately.
4x SMT DRAM CHIPS NEW. Suitable for C103414 motherboards. Will upgrade 512K machines to 1MB (1024K).
Note: various brands or speeds of DRAM may be supplied. This in no way affects operation. Capacitors are sold separately.
Pack of 16 100nF Axial capacitors as typically used for when upgrading the RAM chips on most motherboards.
TC511001AP-10 DRAM as used in some MEGA4 machines. Please check compatibility before ordering. Sold in a pack of 16 chips.
A compact TOS104 / TOS206 decoder board which can plug-in (or solder) into any existing 68000 socket. It also has the ability to have a socket on top for a CPU or accelerator.
NOTE : You will need a DUALTOS board & ROM to use this on a original ST machine. H4 boards only require the DUALTOS ROM.
Original 2 chip TOS ROM for Atari STFM. Labeled for for convenience.
As these ROMs are Atari original's, they do not need any wiring or pin
bending to fit. They simply plug into the existing ROM sockets.
Pin 1 is located where the label says HI or LO.
<
>Please note I also sell ROM kits switchable between TOS102 and TOS104.
Original 2 chip TOS ROM for Atari STFM. Labeled for for convenience.
As these ROM's are Atari original's, they do not need any wiring or pin
bending to fit. They simply plug into the existing ROM sockets.
Pin 1 is located where the label says HI or LO.
Please note I also sell ROM kits switchable between TOS102 and TOS104.
DUAL TOS Adapter pcb assembled to plug into C070789 style STFM machines. This board typically allows TOS102 & TOS104 to be used on normal C070789 style machines and TOS104 & TOS206 when used with a suitable decoder board. Board should be soldered into the motherboard otherwise the height in the sockets may not allow the shielding to fit correctly. BOARD DOES NOT INCLUDE ROM, THEY ARE SOLD SEPARATELY!
This board only fits C070789 & C103253 style motherboards (or motherboards with alike
ROM layout) see these examples.
C103253
C070789
UBE circuit Is no longer fitted on these boards and is no longer unavailable due to a separate board in development.
Adapter pcb to plug into most MEGA ST machines which gives a jumper selectable TOS 102 & Rainbow TOS 104.
PARTS INCLUDED
PCB & SMT cap only.
PARTS NOT INCLUDED
PLCC socket #0186
Round header pins #0132
Square header pins #0158
Jumper link #0189
DUALTOS ROM #0126, #0128, #0127, #0042, #0130, #0129.
16bit DUAL TOS ROM TOS102 & TOS104. Fits my STFM & MEGA ST DUAL TOS boards.
Available until stocks are exhausted. Suggested replacement item #0054
16bit DUAL TOS ROM TOS102 & TOS104. Fits my STFM & MEGA ST DUAL TOS boards.
Available until stocks are exhausted. Suggested replacement item #0049
16bit DUAL TOS ROM TOS102 & TOS104. Fits my STFM & MEGA ST DUAL TOS boards.
Available until stocks are exhausted. Suggested replacement item #0053
16bit DUAL TOS ROM TOS102 & TOS104. Fits my STFM & MEGA ST DUAL TOS boards.
Note: TOS 104 is patched to display some info on boot.
16bit DUAL TOS ROM TOS102 & TOS104. Fits my STFM & MEGA ST DUAL TOS boards.
Available until stocks are exhausted. Suggested replacement item #0059
16bit DUAL TOS ROM TOS102 & TOS104. Fits my STFM & MEGA ST DUAL TOS boards.
Available until stocks are exhausted. Suggested replacement item #0051
6 CHIP TOS 1.04 (rainbow) to fit machines which currently have 6 chip TOS already installed. These ROMs are compatible with 16MHz boosters.
6 CHIP TOS 1.04 (rainbow) to fit machines which currently have 6 chip TOS already installed. These ROMs are compatible with 16MHz boosters.
6 CHIP TOS 1.04 (rainbow) to fit machines which currently have 6 chip TOS already installed. These ROMs are compatible with 16MHz boosters.
Available until stock is exhausted.
6 CHIP TOS 1.04 (rainbow) to fit machines which currently have 6 chip TOS already installed. These ROMs are compatible with 16MHz boosters.
Available until stock is exhausted.
6 CHIP TOS 1.04 (rainbow) to fit machines which currently have 6 chip TOS already installed. These ROMs are compatible with 16MHz boosters.
Available until stock is exhausted.
6 CHIP TOS 1.04 (rainbow) to fit machines which currently have 6 chip TOS already installed. These ROMs are compatible with 16MHz boosters.
Available until stock is exhausted.
Atari STE TOS 206 upgrade.
Available until stock is exhausted. Suggested replacement #0048 or 0139.
Atari STE TOS 206 upgrade.
Available until stock is exhausted. Suggested replacement #0048 or 0139.
Atari STE TOS 206 upgrade.
Available until stock is exhausted. Suggested replacement #0048 or 0139.
Atari STE TOS 206 upgrade.
Available until stock is exhausted. Suggested replacement #0048 or 0139.
Atari STE TOS 206 upgrade.
Available until stock is exhausted. Suggested replacement #0048 or 0139.
Atari STE TOS 206 upgrade.
Available until stock is exhausted. Suggested replacement #0048 or 0139.
STE Dual TOS Kit. TOS is selectable by a jumper on the board, or can
be fitted with a toggle switch (sold separately ) if required. This board
can also be used as a "Fast TOS" upgrade with the V1.X series
STE BOOSTER .
NOTE: Kit needs assembling and TOS162 / TOS206 ROMs are sold separately. 2020 PCB run are green PCBs and are a fraction longer to miss the floppy drive.
Assembled STE Dual TOS Kit (ROM sold separately) . TOS is selectable by a jumper on the board, or can
be fitted with a toggle switch (sold separately ) if required. This board
can also be used as a "Fast TOS" upgrade with the V1.X
STE BOOSTER.
EXTREME CARE must be taken when handling the header pins as they are fragile and can break easily.Take care removing the foam and care if inserting & removing into sockets.
16bit DUAL TOS ROM TOS162 & TOS206.
Fits STE Dual TOS boards.
16bit DUAL TOS ROM TOS162 & TOS206.
Fits STE Dual TOS boards.
16bit DUAL TOS ROM TOS162 & TOS206.
Fits STE Dual TOS boards.
16bit DUAL TOS ROM TOS162 & TOS206.
Fits STE Dual TOS boards.
16bit DUAL TOS ROM TOS162 & TOS206.
Fits STE Dual TOS boards.
1.62 was finally found but is currently untested (it does boot but no other tests have been done)
16bit DUAL TOS ROM TOS162 & TOS206.
Fits STE Dual TOS boards.
TOS4.04 FAST ROM (not cheaper/slower eprom type) . Either
a update or as a replacement for Atari Falcon 030 / C-LAB machines. These
ROM's are verified working with zero waitstates on the Falcon which gives
a small boost overall in machine speed.
NOTE: Other Falcon ROMs may have the same number as in the machine already, or sold elsewhere, but are likely not fast enough for zero wait states. The ROMs sold in my store are always fast ROMs. Price jump is due to increased cost in sourcing ROMs!
DUAL TOS 104 & 206.
NOTE: You can only use TOS206 with a suitable decoder such as item #0172
DUAL TOS 104 & 206.
NOTE: You can only use TOS206 with a suitable decoder such as item #0172
DUAL TOS 104 & 206.
NOTE: You can only use TOS206 with a suitable decoder such as item #0172
DUAL TOS 104 & 206.
NOTE: You can only use TOS206 with a suitable decoder such as item #0172
DUAL TOS 104 & 206.
NOTE: You can only use TOS206 with a suitable decoder such as item #0172
DUAL TOS 104 & 206.
NOTE: You can only use TOS206 with a suitable decoder such as item #0172
Really useful for switching stuff.
New replacement reset switch to fit most ST/E/F/MEGA/Falcon machines
Suitable for most Atari PSU's using a similar looking switch.
Omron Single Pole Single Throw (SPST), Latching Rocker Switch Panel Mount 16A @ 250VAC.
A8WS-1162 ROCKER SWITCH RS number 707-3339 current priced £6.85.
Switches were purchased for a project which did not happen, so now surplus. All are sealed in original RS packets.
Available until stocks are exhausted.
Ideal for contacts where air may cause corrosion long term.
Suitable for ST PSU connections, Socketed IC/chips, PC power leads, car battery terminals etc.
Supplied in 1ml syringe with approx 1ml contents. Ready to use. Insert blue plunger. Remove red cap and fit grey syringe tip. Apply to contact surfaces and attach. Wipe excess grease off with cotton swab or tissue.
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