BIOS chip model number, capacity, voltage, type

if your bios of laptop motherboard doesn’t work, you need repair this bios. it may be necessary to know the parameter of bios. Below is a listing of parameter (BIOS chip model number, capacity, voltage, type) for each of the major types of BIOS.
BIOS chip model number
capacity
voltage
type
AMIC A29002 /5V
2M
5V
BIOS
AMIC A29040 /5V
4M
5V
BIOS
PMC Pm49FL002T LPC/FWH
2M
3.3V
LPC/FWH
PMC Pm49FL004T LPC/FWH
4M
3.3V
LPC/FWH
PMC Pm49LP002 LPC /3.3V
2M
3.3V
LPC
SST 29EE020 /5V
2M
5V
BIOS
SST 39SF020 /5V
2M
5V
BIOS
SST 39SF020A /5V
2M
5V
BIOS
SST 39SF040 /5V
4M
5V
BIOS
SST 39SF040P /5V
4M
5V
BIOS
SST 49LF002A /3.3V
2M
3.3V
FWH
SST 49LF002B/3.3V
2M
3.3V
FWH
SST 49LF003A /3.3V
3M
3.3V
FWH
SST 49LF003B /3.3V
3M
3.3V
FWH
SST 49LF004 /3.3V
4M
3.3V
FWH
SST 49LF004A /3.3V
4M
3.3V
FWH
SST 49LF004B /3.3V
4M
3.3V
FWH
SST 49LF008A /3.3V
8M
3.3V
FWH
SST 49LF020 LPC /3.3V
2M
3.3V
LPC
SST 49LF020A LPC /3.3V
2M
3.3V
LPC
SST 49LF030A 3Mb /3.3V
3M
3.3V
LPC
SST 49LF040A LPC /3.3V
4M
3.3V
LPC
SST 49LF080A /3.3V
8M
3.3V
LPC
WINBOND 49F002U /5V
2M
5V
BIOS
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Tags: BIOS, laptop, laptop motherboard