IBM PC 300GL Type 6272, Technical Information Manual

Page: 46 / 72

Appendix A. Connector Pin Assignments
IDE Connectors
1
2 40
39
Figure 36 (Page 3 of 3). System Memory Connector Pin Assignments
Pin Signal I/O Pin Signal I/O
80 PD3 O 164 PD4 O
81 PD5 O 165 PD6 O
82 PD7 O 166 PD8 O
83 ID0 O 167 ID1 O
84 VDD NA 168 VDD NA
Figure 37. IDE Connector Pin Assignments
Pin Signal I/O Pin Signal I/O
1 RESET O 21 NC NA
2 Ground NA 22 Ground NA
3 Data bus bit 7 I/O 23 IO Write O
4 Data bus bit 8 I/O 24 Ground NA
5 Data bus bit 6 I/O 25 IO Read O
6 Data bus bit 9 I/O 26 Ground NA
7 Data bus bit 5 I/O 27 IO Channel Ready I
8 Data bus bit 10 I/O 28 ALE O
9 Data bus bit 4 I/O 29 NC NA
10 Data bus bit 11 I/O 30 Ground NA
11 Data bus bit 3 I/O 31 IRQ I
12 Data bus bit 12 I/O 32 CS16# I
13 Data bus bit 2 I/O 33 SA1 O
14 Data bus bit 13 I/O 34 PDIAG# I
15 Data bus bit 1 I/O 35 SA0 O
16 Data bus bit 14 I/O 36 SA2 O
17 Data bus bit 0 I/O 37 CS0# O
18 Data bus bit 15 I/O 38 CS1 O
19 Ground NA 39 Active# I
20 Key (Reserved) NA 40 Ground NA
34
Technical Information Manual