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Diskette Drive Connector
The external diskette drive is connected through the diskette drive
connector, located on the left side of the computer. Figure 2-9
shows the pin assignments of the connector:
25
26
1
2
Figure
2-9. Diskette Drive Connector Pin Assignments
Pin
Signal
Type
1
GND
Ground
2
DRATE1
Data Rate Select 1
3
VCC5B
+
5V dc
4
Reserved
5
GND
Ground
6
Reserved
7
GND
Ground
8
INDEX
Index
9
Reserved
10
Reserved
11
DRVSEL0
Drive Select 0
12
DRATE0
Data Rate Select 0
13
MOTEN0
Motor Enable 0
14
Reserved
15
FDIR
Direction In
16
FSTEP
Step
17
WRDATA
Write Data
18
FWREN
Write Enable
19
GND
Ground
20
TRAK0
Track 0
21
Reserved
22
FWPROTECT
Write Protect
23
RDDATA
Read Data
24
FSIDE1SEL
Side 1 Select
25
Reserved
26
DISKCHG
Disk Change
2-12
ThinkPad 560/560E System Board