Chapter 5: Advanced Serverboard Setup
5-19
Serial Ports
The COM1 serial port is located beside
the VGA port. Refer to the motherboard
layout for the location of the COM2
header. See the table on the right for
pin definitions.
Serial Port Pin Definitions
(COM1/COM2)
Pin # Definition
Pin # Definition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
Ground
10
NC
NC indicates no connection.
InfiniBand Connection
Both the X9DRT-IBQF and
X9DRT-IBFF
serverboards
have an
onboard InfiniBand (IB) connector,
which is located on the rear IO panel
on the motherboard. The IB switch is
primarily used for High-performance
computing. See the table on the right
for pin definitions.
InfiniBand (IB)
Pin Definitions
Pin # Definition
Pin # Definition
S1
Input Pair0:Pos
S9
Output Pair3:Pos
S2
Input Pair0:Neg S10 Output Pair3:Neg
S3
Input Pair1:Pos
S11 Output Pair2:Pos
S4
Input Pair1:Neg S12 Output Pair2:Neg
S5
Input Pair2:Pos
S13 Output Pair1:Pos
S6
Input Pair2:Neg S14 Output Pair1:Neg
S7
Input Pair3:Pos
S15 Output Pair0:Pos
S8
Input Pair3:Neg S16 Output Pair0:Neg
G8
G9
G1
G2
G3
G4
G5
G6
G7
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S
11
S12 S13 S14 S15 S16
InfiniBand Ground Pins
(G1~G9) Pin Definitions
Pin# Definitions
G1~G9
Ground
Fan Header (Fan1/3/4)
Pin Definitions
Pin# Definition
1
Ground
2
+12V
3
Tachometer
4
PWR Modulation
Fan Headers
This motherboard has three system/CPU
fan headers (Fan 1, Fan 3, and Fan 4)
on the motherboard. All these 4-pin fans
headers are backward compatible with
the traditional 3-pin fans. The fan speeds
are controlled by firmware management
via IPMI interface. See the table on the
right for pin definitions.
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