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LENOVO ThinkPad X1 Yoga 5th Gen (Type 20UB 20UC) X1 Carbon 8th Gen I5-10210U 6GB NM-C881

Laptops and Desktop Bios, Schematic and Boardview Files And Repairing Discussion
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LENOVO ThinkPad X1 Yoga 5th Gen (Type 20UB, 20UC)
X1 Carbon 8th Gen I5-10210U 6GB
NM-C881 BIOS
LENOVO ThinkPad NM-C881 SCHEMATIC
BOARDVIEW REFERENCE
 
About this board

ThinkPad X1 Yoga 5th Gen (Type 20UB 20UC) X1 Carbon 8th Gen I5-10210U… — motherboard NM-C881.

Lenovo had this board built by LCFC; LCFC (Lenovo/Compal) board numbers start with NM-. Check the number printed on the PCB before you download.

From the title: Intel 5th gen platform.

Files usually needed for this board
  • BIOS (full SPI chip dump, .bin)
  • EC / KBC firmware, if the board uses a separate EC chip
  • Schematic (PDF)
  • Boardview (.brd / .bdv / .cad)

Typical reasons to reflash: no power or no display after a failed BIOS update, a BIOS/supervisor password lock, or a corrupted Intel ME region.

Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.

If you have a working file for this board, please share it below. More files: search NM-C881 in File Finder.

Attachments

Last edited by a moderator:
Click to expand...
ThinkPad X1 Carbon Gen 8, ThinkPad X1 Yoga Gen 5
NM-C881
CLEAN ME BIOS 32MB
SRGKX (Intel Core i5-10310U)
TESTED IMRANROMI
...................................................................................................................................
ThinkPad X1 Carbon Gen 8
NM-C881
CLEAN ME BIOS
U49 32MB
SRGKY (Intel Core i5-10210U)
FIXED SLOW BOOT UPDATE LATEST ME
TESTED IMRANROMI
 

Attachments

ThinkPad X1 Yoga 5th Gen (Type 20UB 20UC) X1 Carbon 8th Gen I5-10210U 6GB NM-C881 – 1729071725779
Last edited:
system configuratinn invalid .n motherboard is x1 yoga gen 5 and laptop body is x1 carbon gen 8 all laptop working fine onle error on power on display.
 

Attachments

ThinkPad X1 Yoga 5th Gen (Type 20UB 20UC) X1 Carbon 8th Gen I5-10210U 6GB NM-C881 – WhatsApp Image 2025-06-04 at 22.23.23_da8715b0 ThinkPad X1 Yoga 5th Gen (Type 20UB 20UC) X1 Carbon 8th Gen I5-10210U 6GB NM-C881 – WhatsApp Image 2025-06-04 at 22.23.25_1aaded9a ThinkPad X1 Yoga 5th Gen (Type 20UB 20UC) X1 Carbon 8th Gen I5-10210U 6GB NM-C881 – WhatsApp Image 2025-06-04 at 22.23.24_99e77614 ThinkPad X1 Yoga 5th Gen (Type 20UB 20UC) X1 Carbon 8th Gen I5-10210U 6GB NM-C881 – WhatsApp Image 2025-06-04 at 22.23.24_3e7b7368
imssuet said:
system configuratinn invalid .n motherboard is x1 yoga gen 5 and laptop body is x1 carbon gen 8 all laptop working fine onle error on power on display.
Click to expand...
2 option
Wrote original data will done
2nd buy bios patch
2500pkr patch
 
Hi @ all, hope you can help wit this:
i'm having trouble with flashing. It'sa X1 Yoga Gen 5 I5-10510 PF-1SXSGF. Want to flash because 1st. Device shuts to power after Win 11 Updates an then dont start again, hangin on lenovo Logo. After powering off an on again, only 3x blink on Power LED. Reset button = nothing changes. The Flashing with xgecu T76 and probe in-ciruit - now usb-c LED just red (orange?) no power on, no led on power button - just nothing. Tried fiff. BIOS files - also with clean me. no changes .. is one of the files in this thread the right one maybe ? thanks in advance !
 
cyberfact said:
Hi @ all, hope you can help wit this:
i'm having trouble with flashing. It'sa X1 Yoga Gen 5 I5-10510 PF-1SXSGF. Want to flash because 1st. Device shuts to power after Win 11 Updates an then dont start again, hangin on lenovo Logo. After powering off an on again, only 3x blink on Power LED. Reset button = nothing changes. The Flashing with xgecu T76 and probe in-ciruit - now usb-c LED just red (orange?) no power on, no led on power button - just nothing. Tried fiff. BIOS files - also with clean me. no changes .. is one of the files in this thread the right one maybe ? thanks in advance !
Click to expand...
ok don't issue send old bios and upload here
With all information
Like serial number
Processor number
Model number
 
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