3
Jumper Settings and Connectors
LABEL FUNCTION
JP2, JP3
PCI-X slot frequency setting
VIO_J1
PCI-X slot VIO power setting
USB1, USB2
External USB 2.0 connectors from the
mainboard
FAN1, FAN2, FAN3, FAN4 Fan connectors
ATXCTL1
Backplane to mainboard ATX power control
connector
PWR1
ATX power connector
12V1
ATX 12V power source connector
PWRBTN
External power button connector
RESET
External reset button connector
PWRGD
External power good connector
SM-BUS
External system management connector
CN1
PCIe x16 SDVO control signal connector
IOPWR
I/O power connector
PWR2
AT +5V power connector
PWR3, PWR4
AT +3.3V power connectors
PCIE1
PCIe x16 slot
PCI-X_A1, PCI-X_A2,
PCI-X_A3, PCI-X_A4
PCI-X slots
PCI1, PCI2, PCI3, PCI 4 PCI slots
JP2, JP3: PCI-X slot frequency setting
JP2
JP3
FREQUENCY/PIN NO.
1 - 2
2 -3
1 - 2
2 - 3
33 MHz
Short
Open
Open
Short
PCI
66 MHz (Default)
Open
Short
Short
Open
PCI-X 66 MHz (Default)
Open
Short
Short
Open
