MCUmall EPROM BIOS Chip Burner Forum
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 Help Programming AT29C010A

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T O P I C    R E V I E W
ian8115 Posted - 03/29/2007 : 08:12:57
Hi. I have recently purchased a Willem Programmer running 0.97ja. I am trying to program an AT29C010A. I have a 5V USB power source and is connected to my Printer port on my Laptop running XP.

I have connected pin 3 to 31.

It will read, verify, and blank check ok but cannot get it to program.

It says Error: Write Sector 0

What I did do by accdent was read then immediately write then it worked but that was just rewriting back to the chip.

I cannot get the 128k File (for car tuning) to the chip. Any help would be much appreciated.

Thanks, Ian
7   L A T E S T    R E P L I E S    (Newest First)
ZLM Posted - 04/02/2007 : 20:46:39
Check original 27C1001 circuit and see if the pin 31 connected to somewhare. If that pin is not connected to anywhere, just short the pin 31 to 32 on 29F010/29c010.
ian8115 Posted - 04/02/2007 : 10:05:06
Oh i see. They were originally 27C1001. What would you recommend? Thanks
ZLM Posted - 04/01/2007 : 14:55:49
Depend on your ECU circuit, there is high possibility to replace 27c1001 by 29f010 or 29c010. On pin 31 of chip, it must stay on 5V for 29F010/29c010. But 27c1001 does not care this pin.
The 29c010 has same requirement too.
ian8115 Posted - 03/31/2007 : 08:41:24
That explains alot. It was to replace a 27c1001 in an ECU. How about the 29f010? Thanks
ZLM Posted - 03/31/2007 : 00:55:35
No. Those are different chips.
ian8115 Posted - 03/30/2007 : 09:31:36
Problem solved! The chip wont write if the chip is pushed all the way in to the PLCC sucket. If I push it in a little bit it writes fine. Must be dodgey plcc adaptor.

My next question, Is the 27C1001 same as 29c010? Thanks
ZLM Posted - 03/30/2007 : 07:59:46
What is the "I have connected pin 3 to 31."??
You should be able to get correct ID. Did you??

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