MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 Problem with chip bios of Macbook Pro
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valieromarco

2 Posts

Posted - 07/05/2015 :  02:53:11  Show Profile  Reply with Quote
Motherboard is 820 3115 I have to flash bios but chip has not brand, only 25Q64A, I can't even read it.
My programmer is GQ-4X
When I check ID the result is 20BA17 ST Micro Unknown Device
Reply #1

ZLM

2937 Posts

Posted - 07/06/2015 :  10:25:28  Show Profile  Reply with Quote
How do you connect the programmer to the chip?
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Reply #2

laptech

United Kingdom
58 Posts

Posted - 08/06/2015 :  03:38:19  Show Profile  Reply with Quote
Hi,

I have a number of these Apple boards that have been scrapped for various reasons. To help I have taken a picture of the actual bios chip that is on a 820-3115 board.


Image Insert:

88.34 KB

Laptronics UK LTd. Specialist motherboard repair.
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Reply #3

ZLM

2937 Posts

Posted - 08/09/2015 :  22:38:52  Show Profile  Reply with Quote
This is supported.

See supported device list:
http://www.mcumall.com/comersus/store/mcumall_TrueUSBWillemsupportICs.asp
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