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Hard Disk Drive Connector
The hard disk drive connected to the system board is removable.
The following shows the pin assignments for the connector on the
hard disk drive.
Note: The pin position A, B, C, and D are not used by the ThinkPad
560Z computer.
Figure
2-6. Hard Disk Drive Connector Pin Assignments
Pin
Signal
Description
Pin
Signal
Description
1
−
RESET
Reset
23
−
DIOW
I/O Write
2
GND
Ground
24
GND
Ground
3
DD07
Data 7
25
−
DIOR
I/O Read
4
DD08
Data 8
26
GND
Ground
5
DD06
Data 6
27
IORDY
I/O Ready
6
DD09
Data 9
28
CSEL
Cable Select
7
DD05
Data 5
29
−
DMACK
DMA
Acknowledgment
8
DD10
Data 10
30
GND
Ground
9
DD04
Data 4
31
INTRQ
Interrupt
Request
10
DD11
Data 11
32
–
Not connected
11
DD03
Data 3
33
DA01
Address 1
12
DD12
Data 12
34
−
PDIAG*
Passed
diagnostics
(slave drive)
13
DD02
Data 2
35
DA00
Address 0
14
DD13
Data 13
36
DA02
Address 2
15
DD01
Data 1
37
−
CS0
Chip Select 0
16
DD14
Data 14
38
−
CS1
Chip Select 1
17
DD00
Data 0
39
−
DASP
Drive Activity
/Slave drive
present
18
DD15
Data 15
40
GND
Ground
19
GND
Ground
41
+
5V
+
5V dc
(20)
Key
Not connected
42
+
5V
+
5V dc
21
DMARQ
DMA request
43
GND
Ground
22
GND
Ground
44
–
Not connected
Note: *
−
PDIAG is not used by the ThinkPad 560Z computer.
2-8
ThinkPad 560Z System Board