Technical data

Hardware Information
8-39
SIMATIC Box PC 620 Manual
C79000-G7076-C639-02
8.8.2 Interface to the Motherboard
The connection to the motherboard is established by a gold-colored EISA indirect
connector. All the required bus signals (ISA and PCI) are present on this
connector. The following table shows the pin assignments.
ISA Bus Signals PCI Bus Signals
Signal Signal Signal Signal Signal Signal Signal Signal
A name B name C name D name E name F name G name H name
1 iochk# 1 gnd 1 sbhe# 1 memcs
16#
1 gnd 1 clk
(slot3)
1 sdone 1 serr#
2 sd7 2 rstdrv 2 la23 2 iocs16# 2 gnd 2 gnd 2 sbo# 2 ad15
3 sd6 3 +5V 3 la22 3 irq10 3 inta# 3 intc# 3 c/be1# 3 ad14
4 sd5 4 irq9 4 la21 4 irq11 4 intb# 4 intd# 4 par 4 ad12
5 sd4 5 -5V 5 la20 5 irq12 5 +5V 5 +5V 5 gnd 5 gnd
6 sd3 6 drq2 6 la19 6 irq15
7 sd2 7 -12V 7 la18 7 irq14 7 +5V 7 +5V 7 gnd 7 gnd
8 sd1 8 0ws# 8 la17 8 dack0# 8 rst# 8 clk (slot
1)
8 ad13 8 ad10
9 sd0 9 +12V 9 memr# 9 drq0 9 gnt#
(slot 1)
9 gnd 9 ad11 9 ad8
10 iochrdy 10 gnd 1
0
memw
#
10 dack5# 10 req#
(slot1)
10 gnt#
(slot 2)
1
0
ad9 10 ad7
11 aen 11 smemw# 1
1
sd8 11 drq5 11 gnd 11 gnd 1
1
c/be0# 11 ad5
12 sa19 12 smemr# 1
2
sd9 12 dack6# 12 clk (slot
2)
12 req#
(slot2)
1
2
ad6 12 ad3
13 sa18 13 iow# 1
3
sd10 13 drq6 13 gnd 13 ad31 1
3
ad4 13 ad1
14 sa17 14 ior# 1
4
sd11 14 dack7# 14 ad30 14 ad29 1
4
ad2 14 ad0
15 sa16 15 dack3# 1
5
sd12 15 drq7 15 Req_N3 15 GNT_N
3
16 sa15 16 drq3 1
6
sd13 16 +5V 1
6
+5V 16 +5V
17 sa14 17 dack1# 1
7
sd14 17 ma-
ster#
17 +3,3V 17 +3,3V 1
7
+5V 17 +5V
18 sa13 18 drq1 1
8
sd15 18 gnd 18 ad28 18 ad27 1
8
gnd 18 gnd
19 sa12 19 refresh#
19 ad26 19 ad25 1
9
gnd 19 gnd
20 sa11 20 sysclk 20 ad24 20 c/be3#
21 sa10 21 irq7 21 ad22 21 ad23
22 sa9 22 irq6 22 ad20 22 ad21
23 sa8 23 irq5 23 ad18 23 ad19
24 sa7 24 irq4 24 +3,3V 24 +3,3V
25 sa6 25 irq3
26 sa5 26 dack2# 26 +3,3V 26 +3,3V
27 sa4 27 t/c 27 ad16 27 ad17
28 sa3 28 bale 28 frame# 28 irdy#
29 sa2 29 +5V 29 c/be2# 29 devsel#
30 sa1 30 osc 30 trdy# 30 lock#
31 sa0 31 gnd 31 stop# 31 perr#