PCchips M581 Series User Manual page 16

M581 Mainboard User's Manual
J6 J5
1 1
J3
1
Jumper J3: Clear CMOS Memory
Use this jumper to clear the contents of the CMOS memory. You
may need to clear the CMOS memory if the settings in the Setup
Utility are incorrect and prevent your mainboard from operating.
To clear the CMOS memory, disconnect all the power cables from
the mainboard and then move the jumper cap into the CLEAR
setting for a few seconds.
Function
Normal Operation
Clear CMOS Memory
Jumper J5: Enable/Disable Fax/Modem
Use this jumper to enable or disable the onboard Fax/Modem
connector. If the audio jumper J6 is disabled, the Fax/Modem is
also disabled, no matter what J5 is set to.
Function
Enable Onboard Modem
Disable Onboard Modem
Jumper J6: Enable/Disable Onboard Audio
Use this jumper to enable or disable the onboard audio system. If
you install another sound card, you must disable the onboard audio
subsystem. If you use this jumper to disable the audio subsystem, it
automatically disables the onboard Fax/Modem, even if
Fax/Modem jumper J5 is enabled.
Function
Enable Audio
Disable Audio/Modem
12
Jumper Setting
Short Pins 1-2
Short Pins 2-3
Jumper Setting
Short Pins 1-2
Short Pins 2-3
Jumper Setting
Short Pins 1-2
Short Pins 2-3
1
J11