DP400 Motherboard
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User’s Manual
3•2
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Jumper JP4: BIOS Flash Protect
The system BIOS and CMOS Setup Utility are stored in
Flash memory on the motherboard, which provides per-
manent storage, but is rewritable, allowing for BIOS up-
dates. Jumper JP4 controls the protection scheme that
prevents accidental damage to or rewriting of the data
stored in Flash memory.
JP4 has three setting options which allow the BIOS to be
protected either by a firmware setting in the Security Fea-
tures section of the CMOS Setup Utility or by the jumper’s
hardware setting. The firmware setting option is more
convenient, so it is the default setting for this jumper.
The setting options are listed in the table below.
JP4: BIOS Flash Protect
Setting Function
Short 1-2 Protection mode selected in BIOS CMOS Setup Utility [Default]
Short 2-3 Protection enabled in hardware
Open [Remove Cap] No BIOS Flash Protection
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