MATSONIC MS7023D Manual page 21

JP3: Keyboard Power On Jumper
This jumper lets you use a typed-in password as a power switch to turn
your system on. If you enable this property, you need to define the
password or the hot keys using the setup utility. See Chapter 3.
Function
Disable keyboard power on
Enable keyboard power on
JP4: Audio/Modem System Enable/disable Jumper
This 3-pin jumper can be used to enable or disable the onboard audio
system. If you prefer to install a different audio system on a third party
expansion card, you must disable the onboard audio.
1
JP4
Function
2
Enable audio/modem system
Disable audio/modem system
3
JP5: Set System Bus Frequency Jumper
Use this 3-pin jumper to set the system bus frequency. In the normal
setting, the system automatically selects the correct frequency according
to the kind of processor installed. In the Force 100 MHz setting, the
system uses a 100 MHz system bus even if the processor is designed to
operate with a 66 MHz bus.
Function
Auto-detect bus frequency
Force 100 MHz
Jumper Cap
Short pins 1-2
Short pins 2-3
Jumper Cap
Short pins 1-2
Short pins 2-3
Jumper Cap
Short pins 1-2
Short pins 2-3
1
JP3
2
3
JP5
1 2 3
17