Gigabyte GA-870A-UD3 User Manual page 11

USB
IEEE 1394
Internal
Connectors

Back Panel
Connectors
I/O Controller
Hardware Monitor 
South Bridge:

- Up to 12 USB 2.0/1.1 ports (8 on the back panel, 4 via the USB brackets
connected to the internal USB headers)
NEC D720200F1 chip:

- Up to 2 USB 3.0/2.0 ports on the back panel
T.I. TSB43AB23 chip:

- Up to 3 IEEE 1394a ports (2 on the back panel, 1 via the IEEE 1394a
bracket connected to the internal IEEE 1394a header)
1 x 24-pin ATX main power connector

1 x 8-pin ATX 12V power connector

1 x floppy disk drive connector

1 x IDE connector

6 x SATA 6Gb/s connectors

2 x SATA 3Gb/s connectors

1 x CPU fan header

2 x system fan headers

1 x power fan header

1 x front panel header

1 x front panel audio header

1 x CD In connector

1 x S/PDIF In header

1 x S/PDIF Out header
2 x USB 2.0/1.1 headers

1 x IEEE 1394a header

1 x serial port header

1 x parallel port header

1 x clearing CMOS jumper

1 x PS/2 keyboard/mouse port

1 x coaxial S/PDIF Out connector

1 x optical S/PDIF Out connector

8 x USB 2.0/1.1 ports

2 x USB 3.0/2.0 ports

2 x eSATA 3Gb/s ports

2 x IEEE 1394a ports

1 x RJ-45 port

6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/

Side Speaker Out/Line In/Line Out/Microphone)
iTE IT8720 chip

System voltage detection
CPU/System temperature detection

CPU/system/power fan speed detection

CPU overheating warning

CPU/system/power fan fail warning

CPU/System fan speed control

(Note 3)
- 11 - Hardware Installation