Com1 Data/Power Selection (Jp7); Com1 Rs-232/422/485 Mode Setting (Jp6, Jp8, Jp9); Restore Bios Optimal Defaults (Jp10) - AXIOMTEK IMB207 Series User Manual

2.3.5

COM1 Data/Power Selection (JP7)

The COM1 port has +5V or +12V power capability on DCD and RI by setting this jumper.
When COM1 is set to +5V or +12V, please make sure its communication mode is
RS-232 (see section 2.3.6).
Function
Power: Set CN3A pin 1 to +12V
Power: Set CN3A pin 1 to +5V
Data: Set CN3A pin 1 to DCD (Default)
Power: Set CN3A pin 9 to +12V
Power: Set CN3A pin 9 to +5V
Data: Set CN3A pin 9 to RI (Default)
2.3.6

COM1 RS-232/422/485 Mode Setting (JP6, JP8, JP9)

Use these jumpers to set COM1 port to operate as RS-232, RS-422 or RS-485
communication mode. When these jumpers are set to operate as RS-422 or RS485
mode, please make sure COM1 is on data mode (see section 2.3.5)
Function
RS-232 mode
(Default)
RS-422 mode
RS-485 mode
2.3.7

Restore BIOS Optimal Defaults (JP10)

Put jumper clip to pin 2-3 for a few seconds then move it back to pin 1-2. Doing this
procedure can restore BIOS optimal defaults.
Function
Normal (Default)
Restore BIOS optimal defaults
Board and Pin Assignments
Setting
JP6 1-2 close
JP8 3-5, 4-6 close
JP9 3-5, 4-6 close
JP6 3-4, 7-8 close
JP8 1-3, 2-4 close
JP9 1-3, 2-4 close
JP6 5-6, 7-8 close
JP8 1-3, 2-4 close
JP9 1-3, 2-4 close
Setting
1-2 close
2-3 close
IMB207 LGA1155 ATX Motherboard
Setting
1-3 close
5-7 close
7-9 close
2-4 close
6-8 close
8-10 close
JP6 JP8 JP9
9