Lenovo PC 300GL Technical Information Manual 6272, 6282 - Page 46

IDE Connectors

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Appendix A. Connector Pin Assignments 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 IDE Connectors 2 40 1 39 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

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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