IBM BDM-610000049 user manual PC/104-Plus PCI Bus CN16, PC/104-Plus Bus Signal Assignments1

PC/104-PlusPCI Bus (CN16)

Connector CN16 carries the signals of the PC/104-PlusPCI bus. These signals match definitions of the PCI Local Bus specification Revision 2.1. Table 33 list the pinouts of the PC/104-Plusbus connector.

Table 33 PC/104-PlusBus Signal Assignments1

Pin	A	B	C	D
1	GND	Reserved/+5V_STDBY2	+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#2	PAR
10	GND	PERR#	+3.3 V	Reserved / PME#2
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

1.Signals marked with (#) are active low.

2.Optional signals for ATX power management

BDM-610000049 Rev G Chapter 3: Connecting the cpuModule 49