IBM 560 Manuel D’Utilisation
Hard Disk Drive Connector
The hard disk drive is connected to the system board. The following
shows the pin assignments for the connector on the system board.
shows the pin assignments for the connector on the system board.
1
2
49
50
Figure
2-6. Hard Disk Drive Connector Pin Assignments
Pin
Signal
Description
Pin
Signal
Description
1
JP1
Jumper
(master)
(master)
26
–
Not connected
2
JP1
Jumper
(master)
(master)
27
–
Not connected
3
JP2
Jumper (slave)
28
GND
Ground
4
JP2
Jumper (slave)
29
−
HIOW
I/O write
5
–
Not connected
30
GND
Ground
6
–
Not connected
31
−
HIOR
I/O read
7
−
HRESET
Reset
32
GND
Ground
8
GND
Ground
33
IORDY
I/O ready
9
HD07
Data 7
34
–
Not connected
10
HD08
Data 8
35
–
Not connected
11
HD06
Data 6
36
GND
Ground
12
HD09
Data 9
37
HIRQ
Interrupt
Request
Request
13
HD05
Data 5
38
–
Not connected
14
HD10
Data 10
39
HA01
Address 1
15
HD04
Data 4
40
–
Not connected
16
HD11
Data 11
41
HA00
Address 0
17
HD03
Data 3
42
HA02
Address 2
18
HD12
Data 12
43
−
HCS0
Chip select 0
19
HD02
Data 2
44
−
HCS1
Chip select 1
20
HD13
Data 13
45
−
DASP
Drive
(active/slave
drive present)
(active/slave
drive present)
21
HD01
Data 1
46
GND
Ground
22
HD14
Data 14
47
+
5V
+
5V dc
23
HD00
Data 0
48
+
5V
+
5V dc
24
HD15
Data 15
49
GND
Ground
25
GND
Ground
50
–
Not connected
2-8
ThinkPad 560/560E System Board