Ordering the Alpha board
- exxos
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Ordering the Alpha board
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Re: Ordering the Alpha board
I would buy one but I have no electronic skills
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Re: Ordering the Alpha board
Do we source components from donors? As in the special chips?
- rubber_jonnie
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Re: Ordering the Alpha board
Yeah, you're going to need a donor board of some sort.Atarian Computing wrote: ↑Tue Jul 31, 2018 12:11 pmDo we source components from donors? As in the special chips?
Collector of old Atari things:
800XL + Ultimate 1MB, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k +APE Warp) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg), 1040STF long button floppy, 2x 1040 STFMs + Gotek, 2x 4160STE with 32Mhz booster, ROM switcher, Mega ST1, Mega ST4, not to mention various bare ST boards for testing including a PAK 68/2
Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk
800XL + Ultimate 1MB, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k +APE Warp) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg), 1040STF long button floppy, 2x 1040 STFMs + Gotek, 2x 4160STE with 32Mhz booster, ROM switcher, Mega ST1, Mega ST4, not to mention various bare ST boards for testing including a PAK 68/2

Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk
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Re: Ordering the Alpha board
No worries, got several. And some NOS chips.rubber_jonnie wrote: ↑Tue Jul 31, 2018 12:22 pmYeah, pretty sure you're going to need a donor board of some sort.Atarian Computing wrote: ↑Tue Jul 31, 2018 12:11 pmDo we source components from donors? As in the special chips?
- rubber_jonnie
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Re: Ordering the Alpha board
Likewise. I have one board in particular in mind, which will donate it's body for science

Collector of old Atari things:
800XL + Ultimate 1MB, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k +APE Warp) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg), 1040STF long button floppy, 2x 1040 STFMs + Gotek, 2x 4160STE with 32Mhz booster, ROM switcher, Mega ST1, Mega ST4, not to mention various bare ST boards for testing including a PAK 68/2
Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk
800XL + Ultimate 1MB, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k +APE Warp) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg), 1040STF long button floppy, 2x 1040 STFMs + Gotek, 2x 4160STE with 32Mhz booster, ROM switcher, Mega ST1, Mega ST4, not to mention various bare ST boards for testing including a PAK 68/2

Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk
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- exxos
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Re: Ordering the Alpha board
I have a BOM, not checked all parts yet, but will upload it at a later date.
Will need a donor ST for man parts such as , MMU, GLUE, Shifter etc, other parts like MFP, 1772, I do stock in my store, but a whole spare donor ST will have all parts.
The circuit isn't identical, example needs a Falcon RAM card (1MB or 4MB), PLCC 68000..
Other parts are generic resistors and capacitors etc which should be easy to obtain from any half decent supplier.
Will need a donor ST for man parts such as , MMU, GLUE, Shifter etc, other parts like MFP, 1772, I do stock in my store, but a whole spare donor ST will have all parts.
The circuit isn't identical, example needs a Falcon RAM card (1MB or 4MB), PLCC 68000..
Other parts are generic resistors and capacitors etc which should be easy to obtain from any half decent supplier.
https://www.exxoshost.co.uk/atari/ All my hardware guides - mods - games - STOS
https://www.exxoshost.co.uk/atari/store2/ - All my hardware mods for sale - Please help support by making a purchase.
viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
https://www.exxoshost.co.uk/atari/store2/ - All my hardware mods for sale - Please help support by making a purchase.
viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
- rubber_jonnie
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Re: Ordering the Alpha board
Hmm, so I guess I'm seeing SMD type PLCC sockets on the board?
If so then I'm going to have to get some sort of hot air soldering practise in, since I don't have an oven!!

If so then I'm going to have to get some sort of hot air soldering practise in, since I don't have an oven!!

Collector of old Atari things:
800XL + Ultimate 1MB, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k +APE Warp) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg), 1040STF long button floppy, 2x 1040 STFMs + Gotek, 2x 4160STE with 32Mhz booster, ROM switcher, Mega ST1, Mega ST4, not to mention various bare ST boards for testing including a PAK 68/2
Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk
800XL + Ultimate 1MB, 2x 1010 cassette, 1050 + Happy mod, 65XE (128k +APE Warp) & XC12, SIO2SD, 2600jr, 7800 and Lynx II
Atari 520ST (1Meg), 1040STF long button floppy, 2x 1040 STFMs + Gotek, 2x 4160STE with 32Mhz booster, ROM switcher, Mega ST1, Mega ST4, not to mention various bare ST boards for testing including a PAK 68/2

Plus the rest..
Amiga stuff, Mac stuff, Sinclair stuff etc...
www.electronicnothingness.co.uk
- exxos
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Re: Ordering the Alpha board
???rubber_jonnie wrote: ↑Tue Jul 31, 2018 12:53 pmHmm, so I guess I'm seeing SMD type PLCC sockets on the board?
Normal PLCC sockets (not funky ones either, just normal PLCC sockets).
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viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?
https://www.exxoshost.co.uk/atari/store2/ - All my hardware mods for sale - Please help support by making a purchase.
viewtopic.php?f=17&t=1585 Have you done the Mandatory Fixes ?