![](/images/new-backgrounds/1120895/12089573x1.webp)
27
System jumpers
Jumper name | Settings | Function |
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J1D2 | Password enabled | |
Password clear | Password disabled/cleared | |
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J1D3 | BIOS clear CMOS | |
Clear CMOS | Forced CMOS clear | |
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J3H1 | Force lower bank | |
BIOS select | Normal operation | |
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J1D1 | BMC force update disabled | |
BMC force update mode | BMC force update enabled | |
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J8A3 | DCD (Data Carrier Detect) to DTR | |
Serial B port |
| (Data Terminal Ready) signal |
| DSR (Data Set Ready) to DTR signal | |
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