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マザーボード AMD 880GのPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。AMD 880G 20 ページ。 M/b for amd socket am3+ series processor
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3-3 Jumper Setting
(1) Keyboard/USB function Enabled/Disabled: JP1
(2) CMOS RAM Clear (2-pin): JBAT
A battery must be used to retain the motherboard configuration in CMOS RAM
short 1-2 pins of JBAT to clear the CMOS data.
WARNNING：Please remove or turn off the power supply before CMOS clear!
To clear the CMOS, follow the procedure below:
1.
Turn off the system and unplug the AC power
2.
Remove ATX power cable from ATX power connector
3.
Locate JBAT and short pins 1-2 for a few seconds, if shorted with the jump cap,
short for a few seconds then pull out the hat.
4.
Connect ATX power cable back to ATX power connector
Note: When should clear CMOS
1. Troubleshooting
2. Forget password
3. After over clocking system boot fail
JP1
1-2 Closed K/B,USB Power ON Disable (Default)
Keyboard & USB Power On Setting
JBAT
1-2 Open： Normal
CMOS Clear Setting
14
JP1
2-3 Closed K/B,USB Power ON Enabled
1-2 Short： CMOS Clear