IBM Thinkpad 600X bios chip

[hcooll3]

does anyone know where or how I can identify the bios chip on a 600x system board? I want to reprogram it with ch341a mini programmer. A picture would be great.

[RealBlackStuff]

https://web.archive.org/web/20210507121 ... t/600x.htm

[hcooll3]

Thank you a lot for the link. I am going to get right on this.

[hcooll3]

Not only did I find the 600x bios chip, I also found out where my R51 bios chip was.

[hcooll3]

Does anyone know how to reprogram a 600x bios chip? I have a ch341a bios programmer and will soon have a nano bios programmer but do not know exactly how to do it.

[samscott]

If you already located the chip, the next step is making sure you’re pulling the correct dump and flashing the right file back to it. The 600X typically uses a 2-Mbit 5V parallel EEPROM (e.g., 28F002 or similar), and not all CH341A adapters support those voltages or pinouts without the proper 32-pin/40-pin adapter.
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