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Related information and WIP etc
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Future of the project.
Replies: 1
by
exxos » Wed Oct 23, 2019 12:46 pm
I thought I would start a thread about this.. basically whats next . I am just thinking out loud with all this currently.
Currently the H4 is near...
- 1 Replies
- 223 Views
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Last post by exxos
Fri Oct 25, 2019 11:50 pm
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Assembled H2 interest ?
Replies: 6
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exxos » Thu Jul 18, 2019 9:20 pm
I have started a new thread for this to see what people's thoughts on this are as I think the post went unnoticed before..
Basically as I will be...
- 6 Replies
- 738 Views
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Last post by exxos
Wed Oct 16, 2019 9:56 pm
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Flashy Clock - Yet another DEV board
Replies: 139
by
Icky » Wed Mar 20, 2019 9:36 pm
Exxos and I had been discussing repurposing the IDE DEV board design into a new DEV board that we can test Flash ROM and Exxos' Falcon RTC module....
- 139 Replies
- 11729 Views
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Last post by exxos
Mon Dec 09, 2019 3:10 pm
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STF Remake Mongrel H4 Build Guide
Replies: 10
by
Icky » Mon Oct 21, 2019 9:57 pm
H4 Build Guide.png
Welcome to the STF Remake H4 Build Guide. This guide is to help show you all the new features on the board and help you make...
- 10 Replies
- 901 Views
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Last post by Icky
Sat Nov 30, 2019 8:44 pm
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Trudie - The Next IDE Board
Replies: 41
by
Icky » Fri Jul 19, 2019 8:20 pm
Welcome to Trudie the next IDE board.
Apologies Exxos and I seem to have started naming boards (wonder if you have spotted the other names out...
- 41 Replies
- 5253 Views
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Last post by exxos
Sat Nov 30, 2019 5:35 pm
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DS1315 clock chip equivalents?
Replies: 5
by
PhilC » Fri Nov 29, 2019 4:09 pm
Just wondering if there are any equivalents for the DS1315 clock chip as it's about £11 to buy each.
- 5 Replies
- 62 Views
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Last post by PaulJ
Fri Nov 29, 2019 5:55 pm
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ST-IDE-ROM Dev Board v1 - BETA Testers
Replies: 442
by
Icky » Thu Feb 28, 2019 7:49 am
IMG_3616.jpg
As discussed in the other thread exxos - IDE interface (untested)
We are looking for a few BETA testers to help run these DEV...
- 442 Replies
- 23514 Views
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Last post by exxos
Fri Nov 29, 2019 8:50 am
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32.084988MHz oscillator
Replies: 6
by
kodak80 » Sun Nov 03, 2019 9:28 pm
On the Alpha we used a 32MHZ oscillator and though not ideal, it worked but ran a bit slower.
Just wondering if this will be the same on the H4...
- 6 Replies
- 221 Views
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Last post by rubber_jonnie
Thu Nov 28, 2019 7:47 am
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3V <> 5 V thoughts
Replies: 1
by
exxos » Sat Mar 23, 2019 8:26 pm
I was half thinking if the CPU bus pullups were on 3.3V rail then the CPU would actually still run on 5V, but all the IO's would be on 3.3V. So it...
- 1 Replies
- 1025 Views
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Last post by MasterOfGizmo
Mon Oct 14, 2019 10:13 am
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MONO SWITCH
Replies: 5
by
exxos » Thu Dec 13, 2018 7:38 pm
What this basically does is switch the RGB digital shifter outputs with the shifter MONO output via a multiplexer chips. Basically a simple UBE...
- 5 Replies
- 1061 Views
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Last post by exxos
Tue Oct 08, 2019 12:50 pm
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H2C SCHEMATIC 19-07-2019
Replies: 18
by
exxos » Fri Jul 19, 2019 7:42 pm
Once upon a time.. there was a motherboard.. and it grew a bit...
H2C.jpg
H2C.jpg
600 DPI SCH
h2c.zip
- 18 Replies
- 1292 Views
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Last post by PaulJ
Fri Jul 26, 2019 4:52 pm
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True 16MHz Mode
Replies: 111
by
Icky » Wed May 01, 2019 11:35 pm
Exxos and I have been discussing boosting the STF Remake. In his grand plan the remake is designed so that we can run the ST in what I like to call...
- 111 Replies
- 11372 Views
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Last post by Icky
Wed Jul 10, 2019 11:39 pm
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- 20 Replies
- 2125 Views
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Last post by Icky
Sat Jun 15, 2019 11:03 am
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Clocking
Replies: 6
by
ijor » Wed Jun 05, 2019 8:05 pm
Quoting from a different subforum, but probably better to follow up here:
In terms of clock distribution and division, on the remake board, we...
- 6 Replies
- 723 Views
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Last post by ijor
Thu Jun 06, 2019 2:53 pm
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16MHz Mod PCB install
Replies: 10
by
exxos » Fri May 31, 2019 9:47 pm
I started a new thread for the install of the Alpha mod PCB..
STEP 1
Cut the DE track as shown below...
Solder a wire approx 4 as shown below....
- 10 Replies
- 1133 Views
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Last post by Icky
Mon Jun 03, 2019 6:53 pm
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ALPHA CPU Quattro Board
Replies: 13
by
Icky » Fri May 10, 2019 10:10 am
If you have been following exxos' threads on the H2 board and the ALPHA 16MHz Mode you will of noticed that a few boards have been springing up to...
- 13 Replies
- 1496 Views
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Last post by exxos
Fri May 24, 2019 1:45 pm
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SMT MMU & GLUE dilemma
Replies: 6
by
exxos » Thu May 09, 2019 9:22 pm
PLCC vs SMT:
The mongrel board was basically going to have the SMT MMU & GLUE rather than the PLCC chips... I have about 80 of each of those SMT...
- 6 Replies
- 770 Views
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Last post by exxos
Thu May 16, 2019 7:03 pm
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exxos IDE interface (untested)
Replies: 115
by
exxos » Sun Nov 19, 2017 9:54 pm
I keep getting asked about adding IDE to my boosters.. well.. This is one circuit I designed months ago.. I just don't have time to build it and test...
- 115 Replies
- 13667 Views
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Last post by displaced
Sun May 12, 2019 8:40 pm
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TESTED IDE CF SD CARDS
Replies: 11
by
exxos » Fri Mar 08, 2019 9:11 pm
My tested cards on the IDE interface in testing...
cf.jpg
Also tried IDE to SD adapter with sandisk ultra.
sd.jpg
Also tried a brick...
- 11 Replies
- 1228 Views
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Last post by PaulJ
Sun Apr 28, 2019 6:20 pm
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16MHz mod & current thoughts
Replies: 1
by
exxos » Sun Mar 17, 2019 12:28 pm
While the Alpha needs testing with the 16MHz mod, The problem is its really needing the later SMT M MU & GLUE as they should stand better for...
- 1 Replies
- 520 Views
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Last post by PhilC
Sun Mar 17, 2019 12:39 pm
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- 25 Replies
- 3188 Views
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Last post by exxos
Sun Feb 24, 2019 11:16 am
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RAM change to simm ?
Replies: 14
by
exxos » Fri Dec 14, 2018 11:12 am
As mentioned *somewhere* I talked about ditching the Falcon RAM boards in place for a 72pin simm socket instead. I am personally leaning towards that...
- 14 Replies
- 1987 Views
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Last post by exxos
Sun Feb 24, 2019 1:40 am
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DMA HEADER REV H1
Replies: 27
by
exxos » Thu Dec 13, 2018 4:37 pm
Added the internal DMA header.. As to if Atari's pin numbering matches the numbering in my schematic is another matter! Will try and verify on a real...
- 27 Replies
- 4383 Views
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Last post by exxos
Mon Dec 24, 2018 3:10 pm
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H1 SCHEMATIC 20/12/2018
Replies: 7
by
exxos » Thu Dec 20, 2018 8:58 pm
H1.png
Zipped..
H1.zip
This is the current revision of the schematic.
Things to add yet is the 1772 GAL (for AB switch & 16MHz floppy...
- 7 Replies
- 1458 Views
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Last post by PaulJ
Fri Dec 21, 2018 5:57 pm
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RTC thoughts
Replies: 14
by
exxos » Sun Dec 16, 2018 11:39 am
I've had it in mind for a while to use my RTC modules ( falcon) on the next board. The problem is it will need a pld to take care of the address...
- 14 Replies
- 2154 Views
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Last post by rubber_jonnie
Tue Dec 18, 2018 5:29 pm
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