PCchips M922 Series, User Manual

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Mainboard User’s Manual
JP1: DRAM Voltage (VCC)
This jumper enables to select voltage of DRAM.
Function Jumper Setting
2.5V (DDR) Open Pins 1-2
3V (SDR) Short Pins 1-2
J2A/B/C/D, J3A/B/C/D: DDR/SDR DRAM Type Selector
This jumper enables to select the type of DDR or SDR
DRAM.
Function Jumper Setting
DDR1,DDR2 Short all J2A/B/C/D and J3A/B/C/D pins
DIMM1, DIMM2 Open all J2A/B/C/D and J3A/B/C/D pins
JP2: Wake on Keyboard/USB activity
This jumper enables any USB keyboard activity to power up a system
previously in a standby or sleep state.
Function Jumper Setting
5V Short Pins 1-2
5VSB Short Pins 2-3
J13: Flash ROM Voltage (VCC)
This jumper enables to select voltage of flash ROM.
Function Jumper Setting
5V Short Pins 1-2
3V Short Pins 2-3
JP4: Flash ROM Size
This jumper enables to select size of flash ROM.
Function Jumper Setting
2M Short Pins 1-2
4M Short Pins 2-3
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