Parallel Port, Floppy/Hard Disk Drive And Scsi Connections - Supermicro X6DH8-G2 User Manual

X6DH8-G2/X6DHE-G2 User's Manual
2-8 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 two connectors to provide for
two floppy disk drives.
nects 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 lo-
cated at J23. See the table on the
right for pin definitions.
Parallel Port
GLAN1
GLAN2
The connector with twisted wires always con-
JPF
J1B4 Force PWR ON
Parallel (Printer) Port Pin Definitions
Pin Number Function
1 Strobe-
3 Data Bit 0
5 Data Bit 1
7 Data Bit 2
9 Data Bit 3
11 Data Bit 4
13 Data Bit 5
15 Data Bit 6
17 Data Bit 7
19 ACK
21 BUSY
23 PE
25 SLCT
PWR PW 8-pin
SMBus Fault PWR
J1D1
SCSI
Enable
SCSI
SCSI CHA Term. Ena
SCSI CHB Term. Ena
2-26
(J23)
Pin Number Function
2 Auto Feed-
4 Error-
6 Init-
8 SLCT IN-
10 GND
12 GND
14 GND
16 GND
18 GND
20 GND
22 GND
24 GND