HARDWARE DISCUSSIONS

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MODIFY SONY MPF920 DRIVE FOR ATARI USE

Last post by exxos « Mon Dec 18, 2017 6:00 pm
Replies: 21
by Zarchos » Thu Dec 14, 2017 4:24 pm
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I don't get it.
It is an HD floppy drive.
You do not need any additional modding to have it work on the Atari ST ?
To work on the Archies which can...
21 Replies

2298 Views

Last post by exxos
Mon Dec 18, 2017 6:00 pm
My latest restoration in pictures

Last post by mikro « Tue Jul 17, 2018 7:27 pm
Replies: 13
by Atarian Computing » Wed Jul 04, 2018 11:04 am
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This is a long post so I'll link to my blog:
13 Replies

332 Views

Last post by mikro
Tue Jul 17, 2018 7:27 pm
List of planned upgrades.. Plus recasing....

Last post by exxos « Mon Jul 16, 2018 10:36 am
Replies: 18
by Shugs81 » Sat Jul 14, 2018 1:22 pm
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Hiya chaps..

I currently have a 1040 STE that I'm looking to spruce up a bit to make it the best it can be!!

It seems to run ok but I wanna make...
18 Replies

213 Views

Last post by exxos
Mon Jul 16, 2018 10:36 am
Project STacy (STaceX, TOS 2.06 & others)

Last post by Atarian Computing « Sat Jul 14, 2018 7:48 pm
Replies: 69
by Atarian Computing » Wed Aug 30, 2017 6:57 pm
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Greetings Atarians,

I've acquired a couple of slightly defective STacy units. I have not received them yet but I know that the keyboards need new...
69 Replies

5360 Views

Last post by Atarian Computing
Sat Jul 14, 2018 7:48 pm
When is a ST not a ST anymore ?

Last post by Petari « Sat Jul 14, 2018 11:04 am
Replies: 41
by exxos » Thu Apr 05, 2018 10:28 pm
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In light of moving to FPGA to replace the custom chips..

For example early suska

IC's get replaced with FPGA.. is that still a ST ?

My goal is...
41 Replies

1777 Views

Last post by Petari
Sat Jul 14, 2018 11:04 am
Just got a crazy idea 'bulb'

Last post by Petari « Fri Jul 13, 2018 2:07 pm
Replies: 9
by Petari » Tue May 29, 2018 2:03 pm

I was thinking about how I have just like in my Ataris in last time (hmm, last 25 years by some) in my PCs multiple OS version choice. It is...

9 Replies

285 Views

Last post by Petari
Fri Jul 13, 2018 2:07 pm
Atari ST Floppy Adapter

Last post by frank.lukas « Mon Jul 09, 2018 4:00 pm
Replies: 6
by Atarian Computing » Sun Jul 08, 2018 4:16 pm

I ran into this thread and got inspired to have a crack at my own version:

This has not been tested so keep that in mind. I also had to create the...

6 Replies

204 Views

Last post by frank.lukas
Mon Jul 09, 2018 4:00 pm
16BIT ROM CART THOUGHTS

Last post by exxos « Fri Jul 06, 2018 9:53 pm
Replies: 45
by exxos » Mon Aug 28, 2017 6:46 pm
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I have been thinking about the diagnostic cart where larger ROM's are used with a switch to select which version of the ROM to run (IE, ST, STE, MSTE...
45 Replies

2210 Views

Last post by exxos
Fri Jul 06, 2018 9:53 pm
Mega ST Keyboard Switches

Last post by Atarian Computing « Tue Jul 03, 2018 9:37 am

by Atarian Computing » Tue Jul 03, 2018 9:37 am

From my blog:

They are mechanical and they are Cherry MX Blacks. I know because I finally took one out. No membranes anywhere. This is not a new...

0 Replies

68 Views

Last post by Atarian Computing
Tue Jul 03, 2018 9:37 am
Printer ribbons

Last post by Neffers « Sat Jun 30, 2018 8:46 pm
Replies: 9
by Neffers » Thu Jun 28, 2018 11:20 pm

Hello peeps, I hope you are all doing well.

I have a Star LC-10 printer and as you can guess, the ribbon (black, not colour) is probably drier than...

9 Replies

204 Views

Last post by Neffers
Sat Jun 30, 2018 8:46 pm
Project: HDMI/DVI out for STFM

Last post by Smonson « Mon Jun 25, 2018 2:48 pm
Replies: 97
by Smonson » Sun Oct 29, 2017 9:42 am
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Hi all,

Here's my current project that's been keeping me up late for several months.

I'm creating a HDMI/DVI video out for my STFM by interfacing a...
97 Replies

7069 Views

Last post by Smonson
Mon Jun 25, 2018 2:48 pm
BLITTER RE-CREATION THOUGHTS

Last post by Stimpy « Thu Jun 21, 2018 11:51 am
Replies: 29
by exxos » Tue Aug 22, 2017 10:37 pm
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blitterSM.jpg

Many should know the great work over at in recovering some lost Atari files. I saw in there 2 versions of the blitter IC. 1986 and...
29 Replies

1861 Views

Last post by Stimpy
Thu Jun 21, 2018 11:51 am
Ultrasatan & external 1.44m Floppy on stock Falcon

Last post by JezC « Mon Jun 11, 2018 10:51 pm
Replies: 4
by JezC » Sat Jun 09, 2018 10:40 pm

Hi All,

I was wondering if it was possible to use an Ultrasatan with a Falcon? I'm considering buying one (to use with my STs/STEs) but if it would...

4 Replies

179 Views

Last post by JezC
Mon Jun 11, 2018 10:51 pm
68010 in Mega STE

Last post by Steve « Sun Jun 10, 2018 3:47 pm
Replies: 4
by Petari » Sat Jun 09, 2018 10:05 am

Finally I was able to put working 68010 CPU in my Mega STE, thanx to Exxos, who generously sent me 1 piece. Saying it because I ordered one some...

4 Replies

296 Views

Last post by Steve
Sun Jun 10, 2018 3:47 pm
Atari ST / TT / Falcon Resolution Timings and Frequencies

Last post by frank.lukas « Mon Jun 04, 2018 12:35 pm
Replies: 5
by Icky » Sun Jun 03, 2018 4:25 pm

I have been trying to find out resolutions and timings for the Atari ST / TT & Falcon so far this is what I have collated from the inter web.

I am...

5 Replies

235 Views

Last post by frank.lukas
Mon Jun 04, 2018 12:35 pm
FastRam block copy new commands thoughts

Last post by Petari « Mon Jun 04, 2018 9:25 am
Replies: 4
by exxos » Sun Jun 03, 2018 9:31 pm

I was actually wondering about doing some sort of simple blitter internally in the PLD logic to block copy data or clear data in fast ram...

The...

4 Replies

142 Views

Last post by Petari
Mon Jun 04, 2018 9:25 am
MMU address line resistors changed to 68ohms. Why?

Last post by Petari « Sun May 27, 2018 7:46 am
Replies: 3
by Atarian Computing » Sat May 26, 2018 7:14 pm

I started working on a 520STM, without floppy. Everything seems to work but I noticed that someone had replaced the original 33ohm resistors on the...

3 Replies

180 Views

Last post by Petari
Sun May 27, 2018 7:46 am
IC deterioration

Last post by rubber_jonnie « Tue May 15, 2018 9:13 am
Replies: 12
by exxos » Fri May 11, 2018 10:16 am
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The first time I saw this problem some months ago when testing a hard drive.. When the hard drive was connected, the floppy drive and intermittently...
12 Replies

476 Views

Last post by rubber_jonnie
Tue May 15, 2018 9:13 am
PAK-68/20 - Repository

Last post by Forgottenmyname « Sun Apr 29, 2018 8:05 pm
Replies: 78
by rubber_jonnie » Sun Feb 11, 2018 12:47 pm
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All

I'm starting a thread here to capture as much useful info about the PAK-68/20 as possible.

If you have any notes, tips or general information,...
78 Replies

3398 Views

Last post by Forgottenmyname
Sun Apr 29, 2018 8:05 pm
Atari PCB Revision #s and their Interpretation

Last post by Atarian Computing « Fri Apr 27, 2018 5:42 pm
Replies: 11
by Atarian Computing » Thu Apr 26, 2018 11:34 am
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How do I interpret the PCB revision numbers?

In the case of the STFM, I know that C070789-001 is newer than C070523-001, but can you tell from the...
11 Replies

317 Views

Last post by Atarian Computing
Fri Apr 27, 2018 5:42 pm
Suska board

Last post by exxos « Sat Apr 21, 2018 5:50 pm
Replies: 35
by exxos » Sat Apr 07, 2018 9:51 am
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I've emailed Wolfgang and asked to run Troed's closure demo...

Any others demos which make good tests ?

I will seriously consider buying a suska...
35 Replies

1914 Views

Last post by exxos
Sat Apr 21, 2018 5:50 pm
Has anyone thought of recreating the Milan

Last post by Atarian Computing « Thu Apr 19, 2018 10:25 am
Replies: 4
by Icky » Thu Apr 19, 2018 7:50 am

With all the great discussions had on this forum we talk about boosters etc and keeping the pure nature of the original ST at heart.

However I...

4 Replies

172 Views

Last post by Atarian Computing
Thu Apr 19, 2018 10:25 am
Diagnosis kit for Atari ST/STE/TT/Falcon (TT version patched)

Last post by crashman « Thu Apr 12, 2018 9:13 pm
Replies: 6
by francouai » Sat Jan 06, 2018 9:48 am

Hello!

Anyone here got the Eprom SW and the board layout of this cartridge ?

I'd like to make one for my atari ST/Falcon.
Note that the cartridge...

6 Replies

744 Views

Last post by crashman
Thu Apr 12, 2018 9:13 pm
V1 STE booster - anyone with integrated blitter tried it ?

Last post by exxos « Tue Apr 10, 2018 12:44 pm
Replies: 11
by exxos » Fri Apr 06, 2018 11:07 pm
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Has anyone tried my dual TOS kit and V1 STE booster in the integrated blitter type boards ?

like this one...
11 Replies

564 Views

Last post by exxos
Tue Apr 10, 2018 12:44 pm
LED's and using the right colour for the right Atari ST Model

Last post by troed « Sun Apr 08, 2018 5:03 pm
Replies: 2
by Icky » Sun Apr 08, 2018 2:54 pm

This weekend I am in the middle of cleaning up an Atari Mega STE and have got the dreaded grommet from hell :evil: where it has caused corrosion. I...

2 Replies

227 Views

Last post by troed
Sun Apr 08, 2018 5:03 pm

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