Gigabyte GA-990XA-UD3 User Manual page 11

USB South Bridge:
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- U p to 14 USB 2.0/1.1 ports (8 ports on the back panel, 6 ports available
through the internal USB headers)
2 x Etron EJ168 chips:
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- U p to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through
the internal USB header)
* Be sure to connect your USB device(s) to the USB 2.0/1.1 ports before the USB 3.0
IEEE 1394 VIA VT6308 chip:
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- U p to 2 IEEE 1394a ports (1 port on the back panel, 1 port available through
the internal IEEE 1394a header)
Internal 1 x 24-pin ATX main power connector
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Connectors 1 x 8-pin ATX 12V power connector
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6 x SATA 6Gb/s connectors
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1 x CPU fan header
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2 x system fan headers
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1 x power fan header
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1 x front panel header
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1 x front panel audio header
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1 x S/PDIF Out header
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1 x USB 3.0/2.0 header
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3 x USB 2.0/1.1 headers
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1 x IEEE 1394a header
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1 x serial port header
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1 x Clear CMOS jumper
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1 x Trusted Platform Module (TPM) header
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Back Panel 1 x PS/2 keyboard/mouse port
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Connectors 1 x optical S/PDIF Out connector
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1 x IEEE 1394 port
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2 x USB 3.0/2.0 ports
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8 x USB 2.0/1.1 ports
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1 x RJ-45 port
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6 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out,
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Side Speaker Out, Line In, Line Out, Mic In)
I/O Controller iTE I/O Controller Chip
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Hardware System voltage detection
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Monitor CPU/System temperature detection
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CPU/System/Power fan speed detection
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CPU overheating warning
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CPU/System/Power fan fail warning
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CPU/System fan speed control
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* W hether the CPU/system fan speed control function is supported will depend on the
driver is installed. (Refer to the labels in section 1-7, "Back Panel Connectors.")
CPU/system cooler you install.
- 11 - Hardware Installation