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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 defi nitions.
Infi niBand Connection
Both the X9DRT-HIBQF and X9DRT-
HIBFF serverboards have an onboard
Infi niBand (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
defi nitions.
Video Connector
A Video (VGA) connector is located next
to the COM Port on the IO backplane.
This connector is used to provide video
and CRT display. Refer to the board
layout below for the location.
Chapter 5: Advanced Motherboard Setup
Serial Port Pin Defi nitions
(COM1/COM2)
Pin # Defi nition
1
DCD
2
RXD
3
TXD
4
DTR
5
Ground
NC indicates no connection.
Infi niBand (IB)
Pin Defi nitions
Pin # Defi nition
S1
Input Pair0:Pos
S2
Input Pair0:Neg
S3
Input Pair1:Pos
S4
Input Pair1:Neg
S5
Input Pair2:Pos
S6
Input Pair2:Neg
S7
Input Pair3:Pos
S8
Input Pair3:Neg
Infi niBand Ground Pins
(G1~G9) Pin Defi nitions
Pin#
G1~G9
5-17
Pin # Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC
Pin # Defi nition
S9
Output Pair3:Pos
S10
Output Pair3:Neg
S11
Output Pair2:Pos
S12
Output Pair2:Neg
S13
Output Pair1:Pos
S14
Output Pair1:Neg
S15
Output Pair0:Pos
S16
Output Pair0:Neg
Defi nitions
Ground
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