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Connectors, Jumpers and Switch
1230B0049401 3-22
3.18 System Configuration Jumper Setting (J38)
The function of system configuration jumper installed on motherboard is shown below:
Figure 3-20 System Configuration Jumper
Table 3-21 System Configuration Jumper Function
Jumper Function Pin 1-2 Pin 2-3
A Clear Password *Disable Enable
B
Clear CMOS *Disable Enable
C
BIOS Top Block Lock *Enable Disable
D
Reserved
─ ─
E
BIOS Recovery *Disable Enable
F
Reserved
─ ─
The “*” in the table of system configuration jumper describes the default status.
The “Clear CMOS” procedure is shown as below:
(a). Sets the “Clear CMOS” jumper to enable.
(b). BIOS detects the jumper settings changed and clear CMOS-data without the
time and date information during POST.
(c). BIOS will show the following message during POST.
“Note: The Jumper-J38-B (Clear CMOS) is taken off and set on, please set to
Disable”.
(d). Turn DC power off and set jumpers to disable.