H2C SCHEMATIC 19-07-2019

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H2C SCHEMATIC 19-07-2019

Post by exxos » Fri Jul 19, 2019 7:42 pm

Once upon a time.. there was a motherboard.. and it grew a bit...

H2C.jpg
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H2C.jpg
H2C.jpg (260.06 KiB) Viewed 336 times

600 DPI SCH
h2c.zip
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4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.
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Re: H2C SCHEMATIC 19-07-2019

Post by exxos » Fri Jul 19, 2019 11:43 pm

Preview of the PCB...

Capture.JPG
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4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.
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Re: H2C SCHEMATIC 19-07-2019

Post by Icky » Sat Jul 20, 2019 12:19 am

:coolpics:

Looking good Exxos
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Re: H2C SCHEMATIC 19-07-2019

Post by exxos » Mon Jul 22, 2019 11:11 am

This is the parts list dump ...

H2C.txt
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I guess it needs correlating to just list the number of 1uF caps etc rather than a huge list of everything.
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.
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Re: H2C SCHEMATIC 19-07-2019

Post by Icky » Mon Jul 22, 2019 2:22 pm

Now here is the "Where's Wally" challenge.

Can anyone spot the additional feature Exxos has added to the board? I've seen it :)
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Re: H2C SCHEMATIC 19-07-2019

Post by PhilC » Mon Jul 22, 2019 2:37 pm

Icky wrote: ↑
Mon Jul 22, 2019 2:22 pm
 Now here is the "Where's Wally" challenge.

Can anyone spot the additional feature Exxos has added to the board? I've seen it :)
Now that depends on your point of reference but no doubt something flashy will have been added as well as other things :D
If it ain't broke, test it to Destruction.
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Re: H2C SCHEMATIC 19-07-2019

Post by exxos » Mon Jul 22, 2019 2:52 pm

PhilC wrote: ↑
Mon Jul 22, 2019 2:37 pm
Icky wrote: ↑
Mon Jul 22, 2019 2:22 pm
 Now here is the "Where's Wally" challenge.

Can anyone spot the additional feature Exxos has added to the board? I've seen it :)
Now that depends on your point of reference but no doubt something flashy will have been added as well as other things :D
Its been there months, very subtle change, but people actually requested it ages ago.. nobody noticed yet :)
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.
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Re: H2C SCHEMATIC 19-07-2019

Post by JezC » Mon Jul 22, 2019 3:12 pm

Not the SIMM as well as the Falcon DRAM?

Never any good at these things, so probably way off... :roll:
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Re: H2C SCHEMATIC 19-07-2019

Post by exxos » Mon Jul 22, 2019 3:27 pm

JezC wrote: ↑
Mon Jul 22, 2019 3:12 pm
 Not the SIMM as well as the Falcon DRAM?

Never any good at these things, so probably way off... :roll:
Yeah, stone cold there buddy.
4MB STFM 1.44 FD- VELOCE+ 020 STE - 4MB STE 32MHz - STFM 16MHz - STM - MEGA ST - Falcon 030 CT60 - Atari 2600 - Atari 7800 - Gigafile - SD Floppy Emulator - PeST - HxC - CosmosEx - Ultrasatan - various clutter

https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/last/storenew/ - All my hardware mods for sale - Please help support by making a purchase.
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Re: H2C SCHEMATIC 19-07-2019

Post by Icky » Fri Jul 26, 2019 10:46 am

exxos wrote: ↑
Mon Jul 22, 2019 3:27 pm
JezC wrote: ↑
Mon Jul 22, 2019 3:12 pm
 Not the SIMM as well as the Falcon DRAM?

Never any good at these things, so probably way off... :roll:
Yeah, stone cold there buddy.
Still no more suggestions as to what it is. It's pretty big on the board you cant really miss it :)
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