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16.1.4
Internal ports
16.1.4.1
Overview
Port
Compact Flash card
(True IDE mode)
PCI -104
16.1.4.2
Compact Flash card interface
Compact Flash card interface, X3
Pin no.
41
7
32
34
35
20, 19, 18,
17, 16, 15, 14, 12, 11, 10, 8
21, 22, 23, 2, 3, 4, 5, 6, 47, 48, 49,
27, 28, 29, 30, 31
37
9
24
39
42
46
45
26, 25
33, 40
43
44
36
1, 50
13, 38
SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
Position
Connector
Internal
X3
Internal
Short description
RESET#
CS0#
CS1#
IORD#
IOWR#
A0-A2
A3-A10
D0-D15
INTRQ
OE# /ATA SEL#
IOCS16#
CSEL#
IORDY
PDIAG#
DASP#
CD1#, CD2#
VS1#, VS2#
DMARQ
DMACK#
WE#
GND
VCC
Detailed descriptions
16.1 Internal components
Description
50-pin CF socket, types I / II
PCI interface
Description
Reset (output)
Chip select 0(output)
Chip select 1(output)
I/O read (output)
I/O write (output)
Address bit 0-2 (output)
Address bit 3-10 (output) to ground
Data bits 0-15 (in/out)
Interrupt request (input)
Enables True IDE mode
I/O-chip select 16 (input)
Cable select (output)
I/O ready (input)
Passed diagnostic
Drive active/slave present (not
connected)
Card detect (not connected)
Voltage sense (not connected)
DMA request (input)
DMA acknowledge (output)
Write enable
Ground
+ 5V power
111
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