EITX
EITX
EITX
EITX-
--
-3002
3002
3002
3002 User Manual
User Manual
User Manual
User Manual
43
3.2.
Clear CMOS Jumper
The onboard CMOS RAM stores system configuration data and has an onboard
battery power supply. To reset the CMOS settings, set the jumper on pins 2
and 3 while the system is off. Return the jumper to pins 1 and 2 afterwards.
Setting the jumper while the system is on will damage the mainboard. The pin
header jumper is labeled as “CLEAR_CMOS1” and the default setting is on
pins 1 and 2.
clear CMOS
1
default
1
CLEAR_CMOS1
1
Fig
Fig
Fig
Figure
ure
ure
ure 34
34
34
34: C
: C
: C
: Clear
lear
lear
lear CMOS jumper
CMOS jumper
CMOS jumper
CMOS jumper
Setting
Setting
Setting
Setting
Pin 1
Pin 1
Pin 1
Pin 1
Pin 2
Pin 2
Pin 2
Pin 2
Pin 3
Pin 3
Pin 3
Pin 3
Regular (default)
On
On
Off
Clear CMOS
Off
On
On
Table
Table
Table
Table 24
24
24
24: C
: C
: C
: Clear
lear
lear
lear CMOS jumper settings
CMOS jumper settings
CMOS jumper settings
CMOS jumper settings
Note:
Note:
Note:
Note:
Except when clearing the RTC RAM, never remove the cap from the CLEAR_CMOS jumper default
position. Removing the cap will cause system boot failure. Avoid clearing the CMOS while the system
is on; it will damage the mainboard.
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