Xycom XVME-678 Manual page 33

2.4.12 PXTl Connector
XVME-678/688 Manual
July 1994
The PC/104-compatible PXT1 is a two-row, 64-pin connector. It allows a single card expansion to
XVME-678/688 without an adapter card. This interface incorporates the power that allows plug-in
adapters to be free of the need for a PI or P2 connection.
Table 2-14. PXTl Pinouts
Pin
Row A Signal Row B Signal
1 IOCHCHK*
GND
2 SD7 RESETDRV
3 SD6 +5V
4 SD5
IRQ9
5 SD4
N/C
6 SD3 DRQ2
7
SD2
-12V
8 SD1
N/C
9 SDO +12V
10 IOCHRDY KEY
11 AEN
SMEMW*
12 SA19
SMEMR*
13 SA18 IOW*
14 SA17 IOR*
15 SA16 DACK3*
16 SA15
DRQ3
17 SA14
DACK1*
18 SA13
DRQ1
19 SA12 REF*
20 SAll SYSCLK
21
SAlO
IRQ7
22 SA9
IRQ6
23 SA8
IRQ5
24 SA7
IRQ4
25 SA6
IRQ3
26 SA5
DACK2*
27 SA4
TIC
28 SA3 ALE
29 SA2
+5V
30 SAl
OSC
31 SAO
GND
32 GND GND
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