Diskette Drive Connector
The external diskette drive is connected through the diskette drive
connector, 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
ThinkPad 560Z System Board
2-13
Содержание ThinkPad 560Z
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Страница 118: ...Function Declaration C Language Smapi BIOS function typedef WORD far SMB PINPARM POUTPARM A 56 ThinkPad 560Z SMAPI BIOS...
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Страница 134: ...IBM Part Number xxxxxxx Printed in the United States of America...