CP302
IDE2 Module
ID 21112, Rev. 05
Page C - 10
©
PEP Modular Computers GmbH
19
GND
Ground signal
--
20
N/C
--
--
21
IDEDRQ
DMA request
In
22
GND
Ground signal
--
23
IOW
I/O write
Out
24
GND
Ground signal
--
25
IOR
I/O read
Out
26
GND
Ground signal
--
27
IOCHRDY
I/O channel ready
In
28
GND
Ground signal
--
29
IDEDACKA
DMA Ack
Out
30
GND
Ground signal
--
31
IDEIRQ
Interrupt request
In
32
N/C
--
--
33
A1
Address 1
Out
34
N/C
--
--
35
A0
Address 0
Out
36
A2
Address 2
Out
37
HCS0
HD select 0
Out
38
HCS1
HD select 1
Out
39
LED
LED driving
In
40
GND
Ground signal
--
41
VCC
5V power
--
42
VCC
5V power
--
43
GND
Ground signal
--
44
N/C
--
--
Table C-4: Pinout of the AT 44-pin Connector
Pin
Signal
Function
In/Out
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