MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X, GQ-3X, GQ-4X)
 GQ-4x ZIF 40 pinout?
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DarkHelmet

USA
6 Posts

Posted - 09/04/2015 :  19:04:20  Show Profile  Reply with Quote
The standard Willem programmer is a 32 Pin zif with a 8 pin header for the extra address lines. The gq-4x has a 40 pin ZIF, I'm assuming the same pinout for this with the additional lines.

Reason is I'm building a custom adapter for SIMM flash and need to know the pinout so I can select the individual chips on the SIMM. I can unsolder them and program but it's error prone.

Is there any function to enable the 4x programmer to select different chips via any of it's lines for programming? I'd like to automate it vs having to set dip switches on the adapter board.

Thanks,
Reply #1

ZLM

2923 Posts

Posted - 09/07/2015 :  20:11:48  Show Profile  Reply with Quote
Here it is:


Image Insert:

36.95 KB
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Reply #2

zzattack

Netherlands
9 Posts

Posted - 10/19/2015 :  04:08:11  Show Profile  Reply with Quote
Where is A18?
Do any of the pins have additional functionality?
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