Supermicro X7DAL-E User Manual page 51

2-8 Parallel, Floppy Drive, PCI-U Universal and
Hard Disk Drive 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.
Parallel (Printer) Header
The parallel (printer) header is located
at J21. See the table on the right
for pin definitions. This connector
requires CBL-0081 to work properly.
(Note: CBL-0081 is not included.)
PWR
JPWF
Alarm Force-On
Reset
LAN1/LAN2
Line-in/
Line-out
Fan5
Fan6
A
Parallel (Printer) Port Connector
Pin# Defi nition
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
2nd
Branch
1st
Branch
Fan2
Fan3
2-31
Chapter 2: Installation
Pin Defi nitions
Pin # Defi nition
2 Auto Feed-
4 Error-
6 Init-
8 SLCT IN-
10 GND
12 GND
14 GND
16 GND
18 GND
20 GND
22 Write Data
24 Write Gate
26 NC
A. Parallel Port