Parts/Test Point Locations 153
IDE Cable Connector Signals
15
Ground
32
Select Head 1
O
16
Motor Enable 1
O
33
Ground
17
Ground
34
Diskette Change
I
Pin
Signal Name
I/O
Pin
Signal Name
I/O
1
Host Reset
O
21
No Connection
2
Ground
22
Ground
3
Host Data 7
I/O
23
Host IOW
O
4
Host Data 8
I/O
24
Ground
Power
5
Host Data 6
I/O
25
Host IOR
O
6
Host Data 9
I/O
26
Ground
Power
7
Host Data 5
I/O
27
I/O Channel Ready
I
8
Host Data 10
I/O
28
No Connection
9
Host Data 4
I/O
29
No Connection
10
Host Data 11
I/O
30
Ground
Power
11
Host Data 3
I/O
31
Host IRQ
I
12
Host Data 12
I/O
32
No Connection
13
Host Data 2
I/O
33
Host A1
O
14
Host Data 13
I/O
34
No Connection
15
Host Data 1
I/O
35
Host A0
O
16
Host Data 14
I/O
36
Host A2
O
17
Host Data 0
I/O
37
Host CS0
O
18
Host Data 15
I/O
38
Host CS1
O
19
Ground
Power
39
ACTIVE bar
I
20
No Connection
40
Ground
Power
Pin
Signal Name
I/O
Pin
Signal Name
I/O
Summary of Contents for Aptiva 2158
Page 12: ...VI...
Page 13: ...Notices VII...
Page 14: ...VIII...
Page 15: ...Notices IX...
Page 16: ...X...
Page 24: ...XVIII...
Page 25: ...Notices XIX...
Page 26: ...XX...
Page 58: ...26...
Page 129: ...Repair Information 97...
Page 154: ...122 Repeat to lock clip on the other side...
Page 160: ...128...
Page 186: ...154...
Page 187: ...Copyright IBM Corp 1998 155 Safety Inspection Guide General Guidelines 156...
Page 212: ...180...
Page 216: ...184...
Page 222: ......
