Chapter 5: Advanced Serverboard Setup
5-19
Fan Header
Pin Defi nitions
Pin# Defi nition
1 Ground
2 +12V
3 Tachometer
4 PWR Modulation
Fan Headers
This motherboard has eight system/
CPU fan headers (Fan 1~Fan 6, Fan
A, Fan B) on the motherboard. All
these 4-pin fans headers are backward
compatible with the traditional 3-pin
fans. However, fan speed control is
available for 4-pin fans only. The fan
speeds are controlled by Thermal
Management via Hardware Monitoring
in the Advanced Setting in the BIOS.
(See Chapter 4 for more details.) See
the table on the right for pin defi nitions
Universal Serial Bus (USB)
Four Universal Serial Bus ports (USB
0/1, USB 2/3) are located on the I/O
back panel. In addition, three USB
headers, located close to the IO
Hub, provides six front-accessible
USB connections (USB 4/5, USB 8/9,
USB 10/11). One Type A connector
(USB6) also supports front panel USB
connection. (Cables are not included).
See the tables on the right for pin
defi nitions.
FP USB (4/5, 8/9, 10/11, USB 6)
Pin Defi nitions
USB 4, 8,10, 6, 7
Pin # Defi nition
USB 5, 9, 11
Pin # Defi nition
1 +5V 1 +5V
2 PO- 2 PO-
3 PO+ 3 PO+
4 Ground 4 Ground
5 NC 5 Key
(NC = No connection)
Backplane
USB (0/1, 2/3)
Pin Defi nitions
Pin# Defi nition
1 +5V
2 PO-
3 PO+
4 Ground
5NA
RAIDKey Header
A RAIDKey header (JRK1) provides
RAID function support to enhance
system performance.
RAIDKey
Pin Defi nitions
Pin# Defi nition
1 Signal 0
2 Ground
3 Signal 1
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