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

Page 51

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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#

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

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