MCUmall EPROM BIOS Chip Burner Forum
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 Automobile engine ECU, Immo, Air bag chip tunning
 93C56 SID801 Siemens ECU
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7 Posts

Posted - 03/24/2013 :  12:11:12  Show Profile  Reply with Quote
Hello together,

i want to read out data from a 93C56 EEPROM in a SID801 ECU.
Ive a GQ-4X Programmer and im not able to read Data out of the EEPROM.
So i need help.
Reply #1


2937 Posts

Posted - 04/27/2013 :  18:30:20  Show Profile  Reply with Quote
Try to remove the chip and program it on the programmer with adapter.
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Reply #2


27 Posts

Posted - 06/10/2013 :  10:04:51  Show Profile  Reply with Quote
i have same problem. i have 93C56 chip from audi ECU. in 4X i can read this chip but i cant write. in old LPT willem i can read and write. in willem can write 16bit chip, when i try write as 8bit, verify is bad.

chip was in soic 8 adapter

after i wrote chip in lpt willem i try verify in 4X, but this read different data.

this is second (from five) chip, which i cant write in 4X but in LPT works ok.

gq-4x4, gq-4x, willem usb/lpt
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