Clear Cmos; Flash Bios Write Protect/Enable (Jp4) - Acorp 4D533 User Manual

HAREWARE INSTALLATION
2.1.2 Clear CMOS (JP3)
If you have set the password, either to protect the BIOS configuration or to restrict access to
the computer, the password is stored in CMOS RAM. If you forget the password, the CMOS
can be cleared by setting this jumper to Clear CMOS. Also in case there is a CMOS error or
improper CPU setting through the mainboard's BIOS that causes boot failure, the CMOS must
cleared by setting this jumper to Clear CMOS to allow the system to boot.
Clearing the CMOS will clear all user-defined BIOS setup options.

2.1.3 Flash BIOS Write Protect/Enable (JP4)

To re-program the mainboard BIOS, short this jumper to enable writing to the flash BIOS.
Set to Write Protect to prevent writing to the flash BIOS.
User's Manual
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