Ide-1/ide-2 (cn17, cn14) – NCR 7458 User Manual
Page 88
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3-64 Chapter 3: Hardware Service
IDE-1/IDE-2 (CN17, CN14)
Signal
Name
Pin Pin Signal
Name
Reset
IDE
1 2 Ground
Host
Data
7
3 4 Host
Data
8
Host
Data
6
5 6 Host
Data
9
Host
Data
5
7 8 Host
Data
10
Host Data 4
9
10
Host Data 11
Host
Data
3
11 12 Host
Data
12
Host
Data
2
13 14 Host
Data
13
Host
Data
1
15 16 Host
Data
14
Host
Data
0
17 18 Host
Data
15
Ground
19 20 Key
DDRQ0
(DDRQ1)
21 22 Ground
I/O
Write#
23 24 Ground
I/O
Read#
25 26 Ground
IOCHRDY
27 28 Pull
Down
DDACK0
(DDACK1)# 29 30 Ground
IRQ14
(IRQ15)
31 32 I/O
CS16
Addr
1
33 34 N/C
Addr
0
35 36 Addr
2
Chip Select 1P (1S)#
37
38
Chip Select 3P (3S)#
Activity#
39 40 Ground
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