Internal connectors
1.
Floppy disk drive connector (34-1 pin FLOPPY)
2.
IDE connector (40-1 pin PRI_IDE)
3.
Serial ATA connectors (7-pin SATA1-5)
4.
USB connectors (10-1 pin USB78, USB910, USB1112)
USB connectors (10-1 pin USB78, USB910, USB1112)
5.
IEEE 1394a port connector (10-1 pin IE1394_2)
IEEE 1394a port connector (10-1 pin IE1394_2)
6.
CPU, chassis, and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN1-2, 3-pin PWR_FAN)
7.
Chassis intrusion connector (4-1 pin CHASSIS)
8.
ATX power connectors (24-pin EATXPWR; 4-pin ATX12V)
9.
Front panel audio connector (10-1 pin AAFP)
10.
Optical drive audio connector (4-pin CD)
11.
Digital audio connector (4-1 pin SPDIF_OUT)
12.
System panel connector (20-8-pin PANEL)
13.
ASUS Q-Connector (system panel)
ASUS M3A78-T
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