BIOS Think Centre P340 IQ4x0il2 NM-C901

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Think Centre P340 IQ4x0il2 NM-C901
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Hello ThienBui,

I have a Lenovo ThinkStation P340 Tiny, motherboard IQ4X0IL2 / NM-C901.

The motherboard had no POST.
Power LED was on, fan was running, but there was no display and no beep.

I backed up both SPI chips.

Then I programmed:
  • USPI1 (32 MB): MX25L25633F.BIN
  • USPI2 (16 MB): NM-C901 USPI02 16M.BIN
After programming these files, the motherboard boots normally and Windows starts successfully.

This makes me think the problem is related to the original 32 MB BIOS dump, because with the donor BIOS the board works.

The only remaining issue is that Windows shuts down normally, but the motherboard does not power off completely. The screen turns off, but the power LED and fan remain on until I hold the power button.

Could you please check my original 32 MB dump and repair it while keeping the original DMI information (Serial Number, Machine Type, UUID, etc.)?


Thank you.
 

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Hello ThienBui,

I have a Lenovo ThinkStation P340 Tiny, motherboard IQ4X0IL2 / NM-C901.

The motherboard had no POST.
Power LED was on, fan was running, but there was no display and no beep.

I backed up both SPI chips.

Then I programmed:
  • USPI1 (32 MB): MX25L25633F.BIN
  • USPI2 (16 MB): NM-C901 USPI02 16M.BIN
After programming these files, the motherboard boots normally and Windows starts successfully.

This makes me think the problem is related to the original 32 MB BIOS dump, because with the donor BIOS the board works.

The only remaining issue is that Windows shuts down normally, but the motherboard does not power off completely. The screen turns off, but the power LED and fan remain on until I hold the power button.

Could you please check my original 32 MB dump and repair it while keeping the original DMI information (Serial Number, Machine Type, UUID, etc.)?


Thank you.
 

Download list

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