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2-8
Parallel Port, Floppy Drive, Hard Disk Drive, SIMLP
IPMI and SCSI Connections
Note the following when connecting the fl oppy and hard disk drive cables:
• The fl oppy disk drive cable has seven twisted wires.
• A red mark on a wire typically designates the location of pin 1.
• A single fl oppy disk drive ribbon cable has 34 wires and two connectors to provide
for two fl oppy disk drives. The connector with twisted wires always connects to
drive A, and the connector that does not have twisted wires always connects to
drive B.
Parallel (Printer) Port
Connector
The parallel (printer) port is located
on the IO panel. See the table on the
right for pin defi nitions.
A
GLAN1
GLAN2
SIMLP IPMI
SEPC
PCI-Exp x8
PCI-Exp x4
Pin#
1
3
5
7
9
11
13
15
17
19
21
23
25
8-pin PWR
FP Ctrl
3rd PWR
PWR
Detect
Fault
PWRSMB
JAR
Fan8
SCSI CTRL
320 SCSI Channel B
2-31
Chapter 2: Installation
Parallel (Printer) Port Connector
Pin Defi nitions
Defi nition
Pin #
Defi nition
Strobe-
2
Auto Feed-
Data Bit 0
4
Error-
Data Bit 1
6
Init-
Data Bit 2
8
SLCT IN-
Data Bit 3
10
GND
Data Bit 4
12
GND
Data Bit 5
14
GND
Data Bit 6
16
GND
Data Bit 7
18
GND
ACK
20
GND
BUSY
22
Write Data
PE
24
Write Gate
SLCT
26
NC
A. Parallel Port
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