IBM 2274 - Manual (Page 164)

130 IBM Desktop System HMM
IDE Cable Connector Signals
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 ba I
20 No
Connection 40 Ground Power