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Pin No. Designation X10
1
RESET
2
GND
3
D7
4
D8
5
D6
6
D9
7
D5
8
D10
9
D4
10
D11
11
D3
12
D12
13
D2
14
D13
15
D1
16
D14
17
D0
18
D15
19
GND
20
21
DREQ
22
GND
23
IOW_N
24
GND
25
IOR_N
26
GND
27
IORDY
28
CSEL
29
DACK_N
30
GND
31
IRQ14/15
32
IOCS16
33
AD_1
34
Reserved
35
AD_0
36
AD_2
37
CS1_N
38
CS3_N
39
HDACT_N
40
GND
41
P5V
42
P5V
43
GND
44
Reserved
SIMATIC Box PC 840 Manual
A5E00085984-04
Description
Reset
Ground
Data signal D7
Data signal D8
Data signal D6
Data signal D9
Data signal D5
Data signal D10
Data signal D4
Data signal D11
Data signal D3
Data signal D12
Data signal D2
Data signal D13
Data signal D1
Data signal D14
Data signal D0
Data signal D15
Ground
Unassigned
DMA Request
Ground
IO Write
Ground
IO Read
Ground
IO Ready
Master/Slave
DMA Acknowledge
Ground
Interrupt signal
Chip Select 16 bits
Adress 1
Reserved
Adress 0
Adress 2
Chip Select 1
Chip Select 3
Disk drive activity
Ground
+5V power supply
+5V power supply
Ground
Reserved
Hardware Information
Input / Output
Output
-
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
Input / Output
-
-
Input
-
Output
-
Output
-
Input
Input
Output
-
Input
Input
Output
-
Output
Output
Output
Output
Input
-
Output
Output
-
-
7-27

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