Siemens Simatic PC Panel PC 870, Equipment Manual

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Hardware Information Release 11/02
7-22
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
Connection for CD-ROM or CD-RW/DVD drive, X12
The optional CD-ROM or CD-RW/DVD drive is connected via this interface. This
port is connected in parallel to the secondary IDE port.
Pin
No. Short
Name Meaning Input/
Output
1 Reserved Reserved -
2 Reserved Reserved -
3 Reserved Reserved -
4 GND Ground -
5 RESET Reset signal Input / Output
6 D8 Data signal D8 Input / Output
7 D7 Data signal D7 Input / Output
8 D9 Data signal D9 Input / Output
9 D6 Data signal D6 Input / Output
10 D10 Data signal D10 Input / Output
11 D5 Data signal D5 Input / Output
12 D11 Data signal D11 Input / Output
13 D4 Data signal D4 Input / Output
14 D12 Data signal D12 Input / Output
15 D3 Data signal D3 Input / Output
16 D13 Data signal D13 Input / Output
17 D2 Data signal D2 Input / Output
18 D14 Data signal D14 Input / Output
19 D1 Data signal D1 Input / Output
20 D15 Data signal D15 Input / Output
21 D0 Data signal D0 Input / Output
22 DREQ DMA request Input
23 GND Ground -
24 IOR_N Read signal Output
25 IOW_N Write signal Output
26 GND Ground -
27 IORDY Ready signal Input
28 DACK_N DMA confirmation Output
29 IRQ15 Interrupt signal Input
30 AD_1 Address line 1 Output
31 AD_0 Address line 0 Output
32 AD_2 Address line 2 Output
33 CS_N Selection signal Output
34 HDACT_N Activity Input
35 CS1_N Selection signal 1
36 CSEL Selection signal
37 GND Ground -
38 P5V +5 V power supply Output
39 P5V +5 V power supply Output
40 P5V +5 V power supply Output
41 P5V +5 V power supply Output