Pc/104-plus pci bus (cn16), Pc/104 – IBM CMX58886CX User Manual
Page 51

BDM-610000050
Rev A
Chapter 3: Connecting the cpuModule
43
PC/104-
Plus PCI Bus (CN16)
Connector CN16 carries the signals of the PC/104-
Plus PCI bus. These signals match definitions of the PCI Local
Bus specification Revision 2.1. Table 28 list the pinouts of the PC/104-
Plus bus connector.
Table 28
PC/104-
Plus Bus Signal Assignments
1
1. Signals marked with (#) are active low.
Pin
A
B
C
D
1
GND
Reserved/+5V_STDBY
2
2. Optional signals for ATX power management
+5 V
AD00
2
VIO
AD02
AD01
+5 V
3
AD05
GND
AD04
AD03
4
C/BE0#
AD07
GND
AD06
5
GND
AD09
AD08
GND
6
AD11
VIO
AD10
M66EN
7
AD14
AD13
GND
AD12
8
+3.3 V
C/BE1#
AD15
+3.3 V
9
SERR#
GND
Reserved / PSON#
PAR
10
GND
PERR#
+3.3 V
Reserved / PME#
11
STOP#
+3.3 V
LOCK#
GND
12
+3.3 V
TRDY#
GND
DEVSEL#
13
FRAME#
GND
IRDY#
+3.3 V
14
GND
AD16
+3.3 V
C/BE2#
15
AD18
+3.3 V
AD17
GND
16
AD21
AD20
GND
AD19
17
+3.3 V
AD23
AD22
+3.3 V
18
IDSEL0
GND
IDSEL1
IDSEL2
19
AD24
C/BE3#
VIO
IDSEL3
20
GND
AD26
AD25
GND
21
AD29
+5 V
AD28
AD27
22
+5 V
AD30
GND
AD31
23
REQ0#
GND
REQ1#
VIO
24
GND
REQ2#
+5 V
GNT0#
25
GNT1#
VIO
GNT2#
GND
26
+5V
CLK0
GND
CLK1
27
CLK2
+5 V
CLK3
GND
28
GND
INTD#
+5 V
RST#
29
+12 V
INTA#
INTB#
INTC#
30
–12V
REQ3#
GNT3#
GND