INTEL 281817-004
Manual de Servicio

Motherboard Description

1.13.2

Password Clear (J9C1-A)

Use this jumper to clear the password if the password is forgotten. The default setting is pins 1-2, (password enabled). To clear the password, turn off the computer, move the jumper to pins 2-3, and turn on the computer. Then turn off the computer, and return the jumper to pins 1-2 to restore normal operation. If the jumper is in the 2-3 position (password disabled), you cannot set a password.

1.13.3

Clear CMOS (J9C1-A)

This jumper resets the CMOS settings to the default values. This procedure must be done each time the system BIOS is updated. The default setting for this jumper is pins 4-5 (keep CMOS settings). To reset the CMOS settings to the default values, turn off the computer, move the jumper to pins 5-6, then turn on the computer. When the computer displays the message �NVRAM cleared by jumper,� turn off the computer and return the jumper to pins 4-5 to restore normal operation.

1.13.4

BIOS Setup Access (J9C1-B)

This jumper enables or disables access to the Setup program. The default setting is pins 1-2 (access enabled). To disable access to the Setup program, move the jumper to pins 2-3.

1.13.5

BIOS Recovery (J7A1)

This jumper lets you recover the BIOS data from a diskette in the event of a catastrophic failure. The default setting is pins 1-2 (normal operation). To recover the BIOS, turn off the computer, move the jumper to pins 2-3, then turn on the computer to perform BIOS recovery. After recovery, turn off the computer and return the jumper to pins 1-2 to restore normal operation. See Section 3.1.14 for more details.

1.14 Reliability
The Mean-Time-Between-Failures (MTBF) data is calculated from predicted data @ 55°C. Motherboard MTBF: 80798 hours calculated

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