Siemens SIMATIC PANEL PC 877 Operating Instructions Manual page 212

Detailed descriptions
17.1 Motherboard
Connection for optical drive, X12
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
17-20
Abbreviation
Reserved
Reserved
Reserved
GND
Reset
D8
D7
D9
D6
D10
D5
D11
D4
D12
D3
D13
D2
D14
D1
D15
D0
DREQ
GND
IOR_N
IOW_N
GND
IORDY
DACK_N
IRQ15
AD_1
AD_0
AD_2
CS_N
HDACT_N
CS1_N
CSEL
GND
P5V
P5V
P5V
P5V
Meaning
Reserved
Reserved
Reserved
Ground
Reset signal
Data signal D8
Data signal D7
Data signal D9
Data signal D6
Data signal D10
Data signal D5
Data signal D11
Data signal D4
Data signal D12
Data signal D3
Data signal D13
Data signal D2
Data signal D14
Data signal D1
Data signal D15
Data signal D0
DMA request
Ground
Read signal
Write signal
Ground
Ready signal
DMA acknowledgment
Interrupt signal
Addess1
Address line 0
Address line 2
Chip select signal
Activity
Chip select 1
Chip select signal
Ground
+5 V voltage supply
+5 V voltage supply
+5 V voltage supply
+5 V voltage supply
Operating instructions, Release 07/2006, A5E00877780-01
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
Input/Output
Input
-
Output
Output
-
Input
Output
Input
Output
Output
Output
Output
Input
-
-
-
Output
Output
Output
Output
SIMATIC Panel PC 877