61
IDE-/AT-Bus Interface
This is a coded 2-row 44-pin male connector on the board. Up to two IDE-/AT-
Bus hard disk drives and/or IDE-/AT-bus CD-ROM drives can be connected via
a flat ribbon cable. Signals with # symbol are low active.
Pin Signal
Pin Signal
Pin Signal
Pin Signal
1
RESET#
2
GND
23
IOW#
24
GND
3
D7
4
D8
25
IOR#
26
GND
5
D6
6
D9
27
N.C./IOCHRDY
28
BALE
7
D5
8
D10
29
N.C.
30
GND
9
D4
10
D11
31
IDINIT
32
IOCS16
11
D3
12
D12
33
SA1
34
N.C./MEMCS16#
13
D2
14
D13
35
SA0
36
SA2
15
D1
16
D14
37
CS#
38
HCS1#
17
D0
18
D15
39
HDLED
40
N.C.
19
GND
20
(coded)
41
VCC
42
VCC
21
N.C.
22
GND
43
GND
44
N.C.
Figure 26 , IDE-/AT-Bus
Table 19, IDE-/AT-Bus Pin Assignment
4.5
IDE-/AT-Bus
2 1
Содержание PCM-4330
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