Intel MB884 - Manual (Page 18)

INSTALLATIONS
14 MB884 User’s Manual
ATX1: ATX Power Supply Connector
Signal Name Pin # Pin # Signal Name
3.3V 13 1 3.3V
-12V 14 2 3.3V
Ground 15 3 Ground
PS-ON 16 4 +5V
Ground 17 5 Ground
Ground 18 6 +5V
Ground 19 7 Ground
-5V 20 8 Power good
+5V 21 9 5VSB
+5V 22 10 +12V
+5V 23 11 +12V
Ground 24 12 +3.3V
ATX1 is a 24-pin ATX power supply connector.
ATX_12V: ATX 12V Power Connector
This connector supplies the CPU operation voltage
Pin # Signal Name
1 Ground
2 Ground
3 +12V
4 +12V
DIMM1: Channel A DDR Socket
DIMM1 is the first-channel DDR socket.
DIMM2: Channel B DDR Socket
DIMM2 is the second-channel DDR socket.
PCIE_1: External PCI Express (x16) Graphics Card Slot
PCIE_2: PCI Express (x1) Slot
PCI1, PCI2: PCI Slots
PCIE_1: PCI Express (x16) Slot