Firmware Resources

Firmware troubleshooting, recovery procedures, educational resources, and technical discussions for electronics repair.

Lenovo 330-14IGM, 330-15IGM Laptop (ideapad) BIOS EG431/EG5N2 NM-B661

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Screen Shot 2020-07-11 at 22.13.37.jpg330-15IGM Laptop (ideapad)
330-14IGM, 330-15IGM Laptop (ideapad)
BIOS 7XCN24WW
EG431/EG5N2 NM-B661
Schematics boardview
NM B661 R10.tvw
NM B661 EG431 EG532_MB_V10_20180302 Lenovo IdeaPad 330-14IGM.pdf
 

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EE480/EE580 NM-B421 Rev 1.0

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E480 (Type 20KN, 20KQ) Laptop (ThinkPad)
BIOS

BIOS E480 nm-b421 rev1.0
EE480 EE580 NM-B421 Rev 1.0 2017-10-30.bin
ECROM ITE
Thinkpad E580 LCFC NM-B421 BoardView PDF.pdf
KB_pins=40 LEFT DOWN 05MM PD0=7 PD1=11 PD2=13 PD3=18 PD4=14 PD5=10 PD6=17 PD7=15 BUSY=4 STB=12 AFD=1 INIT=8 SLIN=9 KSI4=5 KSI5=6 FLASH=256 IT8996E
Lenovo E480 - NM-B421 Rev1.0 BoardView.tvw


EE480 EE580 NM-B421 Rev 1.0 2017-10-30.jpg EE480 EE580 NM-B421 Rev 1.0.jpg
Thinkpad E580 LCFC NM-B421 DIS E480 E580 r1.0.jpg
 

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Lenovo IdeaPad 3 15ITL05 NM-D461

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Lenovo IdeaPad 3 15ITL05 NM-D461​

IdeaPad 3 - 14ITL05 - NM-D461 REV0.1 Schematic And BoardView PDF
NM-D461 REV1.0 BoardView.pdf
IO.pdf
NM-D461 REV0.1.pdf
NM-D461 KB_pins=32 (JKB1) LEFT DOWN 08MM PD0=13 PD1=17 PD2=19 PD3=24 PD4=20 PD5=16 PD6=23 PD7=21 BUSY=10 STB=18 AFD=7 INIT=14 SLIN=15 KSI4=11 KSI5=12 CHIP=IT8227E-128
HS45A HS55A NM-D461 photo
 

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BIOS Acer A317-54G - LA-M211P HH5A4

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Acer A317-54G - LA-M211P HH5A4
Compal LA-M211P HH5A4 r1A.pdf
Compal LA-M211P HH5A4 r1.0 boardview.bdv
 

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