Mainboard KM51G-754
Slots
PCI-Express x16 Slot: PCI-Ex16
This mainboard is able to install a graphics card which the PCI-Express x16 interface
compatible in this PCI-Ex16 slot.
PCI-Express x1 Slot: PCI-Ex1_1
This mainboard is able to install an expansion card which the PCI-Express x1 interface
compatible such as network card, SCSI card, etc. to this PCI-Ex1_1 slot.
PCI Slots: PCI1, PCI2
PCI stands for Peripheral Component Interconnect and is a bus standard for installing
expansion cards such as network card, SCSI card, etc. to these PCI slots.
Power Supply Attachments
ATX Power Connector: JATXPWR1, JATXPWR2
This mainboard provides two ATX power connectors, a 24-pin JATXPWR1 connector and a
4-pin JATXPWR2 connector. You must use a power supply that has both of these connectors
and both connectors must be attached before the system is powered on. These power
connectors support several power management functions such as the instant power-on function.
The connector pins are described below.
Pin
Assignment
Pin
Assignment
1 +3.3V
13 +3.3V
2 +3.3V
14
-12V
3 Ground 15 Ground
4 +5V 16 PS_ON
5 Ground 17 Ground
6 +5V 18 Ground
7 Ground 19 Ground
8 PW_ON 20
-5V
9
+5V standby voltage
21
+5V
10 +12V 22
+5V
11 +12V 23
+5V
JATXPWR1
12 +3.3V 24 Ground
Pin
Assignment
Pin
Assignment
1 +12V 3 Ground
JATXPWR2
2 +12V 4 Ground
Attention
In general, power cords are designed and should be attached with a
specific direction. The black wire of the power cord is Ground and
should be attached onto the header location of Ground.
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