Appendix D – XPDPTB Rear Plug-in I/O Expansion Module for the XPD
50
CPU-71-10 (XPD/RPD/DPD) VMEbus Core 2 Duo Processor Board – User’s Manual
D.1
XPDPTB Connector Pinouts
Pin
Signal
Pin
Signal
1 RST#
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 No
connection
21 DMARQ0
22 GND
23 IOW#
24 GND
25 IOR#
26 GND
27 IORDY
28 470-ohm
pull-down
29 DMAACK0
30 GND
31 IRQ14
32 No
connection
33 DA1
34 No
connection
35 DA0
36 DA2
37 CS1Fx
38 CS3Fx
39 LED
Control
40 GND
Primary IDE Interface Connector (J5) – 40-pin Dual-row 0.1” Header
COM1 and COM2 ports are set up for RS-232 operation. J3 is used for COM1 and J4 is used for COM2. The
pinouts of the two connectors are identical:
Pin
RS-232 Signals
1
Data Carrier Detect (DCD) Input
2
Received Data (RxD) Input
3
Transmitted Data (TxD) Output
4
Data Terminal Ready (DTR) Output
5 GND
6
Data Set Ready (DSR) Input
7
Request To Send (RTS) Output
8
Clear To Send (CTS) Input
9
Ring Indicator (RI) Input
COM1 (J3) and COM2 (J4) Connectors – DB9M Connector. The metal shell of the connector goes
to chassis ground.