Supermicro 8042-6, User Manual

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5-24
S
UPER
S
ERVER 8042-8/8042-6 Manual
5-12 Parallel Port, Floppy/Hard Disk Drive and SCSI
Connections
Note the following when connecting the floppy and hard disk drive cables:
• The floppy disk drive cable has seven twisted wires.
• A red mark on a wire typically designates the location of pin 1.
• A single floppy disk drive ribbon cable has 34 wires and two connectors
to provide for two floppy 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 Port Connector
The parallel port is located on J20.
See the table on the right for pin
definitions.
P in Num ber Function
1 S trobe-
3 Data B it 0
5 Data B it 1
7 Data B it 2
9 Data B it 3
11 Data B it 4
13 Data B it 5
15 Data B it 6
17 Data B it 7
19 A CK
21 B US Y
23 P E
25 S LCT
P in Num ber Function
2 A uto Feed-
4 E rror-
6 Init-
8 S LCT IN-
10 GND
12 GND
14 GND
16 GND
18 GND
20 GND
22 GND
24 GND
26 NC
P arallel (P rinter) P ort P in Definitions
(J20)