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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 34 wires and two connectors
to provide for two floppy disk drives.
always connects to drive A, and the connector that does not have
twisted wires always connects to drive B.
Parallel Port Connector
The parallel (printer) port is lo-
cated on J29. See the table on the
right for pin definitions.
IDE Connectors
There are no jumpers to
configure
the
IDE#1(J2) and IDE#2 (J3)
connectors.
See the table
on the right for pin defini-
tions.
Pin Number
1
3
5
onboard
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
2-17
Chapter 2: Installation
The connector with twisted wires
Parallel (Printer) Port Pin Definitio ns
(J29)
Pin Number
Function
Pin Number
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
IDE Connector Pin Definitions
(IDE#1, IDE#2)
Function
Pin Number
Reset IDE
2
Host Data 7
4
Host Data 6
6
Host Data 5
8
Host Data 4
10
Host Data 3
12
Host Data 2
14
Host Data 1
16
Host Data 0
18
GND
20
DRQ3
22
I/O W rite-
24
I/O Read-
26
IOCHRDY
28
DACK3-
30
IRQ14
32
Addr 1
34
Addr 0
36
Chip Select 0
38
Activity
40
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
26
NC
Function
G ND
Host Data 8
Host Data 9
Host Data 10
Host Data 11
Host Data 12
Host Data 13
Host Data 14
Host Data 15
Key
G ND
G ND
G ND
BALE
G ND
IOC S16-
G ND
Addr 2
Chip Select 1-
G ND
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