Gigabyte GA-H55N-USB3 User Manual page 11

Internal
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Connectors
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Back Panel
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Connectors
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I/O Controller
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Hardware Monitor 
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BIOS
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1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
4 x SATA 3Gb/s connectors
1 x CPU fan header
1 x system fan header
1 x front panel header
1 x front panel audio header
1 x S/PDIF Out header
2 x USB 2.0/1.1 headers
1 x debug card header
1 x chassis intrusion header
1 x clearing CMOS jumper
1 x PS/2 keyboard/mouse port
1 x D-Sub port
(Note 2)
1 x DVI-D port
(Note 2)(Note 3) (Note 4)
1 x optical S/PDIF Out connector
1 x HDMI port
(Note 2)(Note 4)
4 x USB 2.0/1.1 ports
2 x USB 3.0/2.0 ports
1 x eSATA 3Gb/s connector
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 fan speed detection
CPU fan speed control
2 x 64 Mbit flash
Use of licensed AWARD BIOS
Support for DualBIOS
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
(Note 5)
™
- 11 - Hardware Installation