American Megatrends Excalibur PCI, User Manual

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Excalibur PCI Pentium ISA Motherboard User's Guide
57
Step 11 Install Adapter Cards,
Continued
PCI Local Bus Pinout, cont'd
The 32-bit connector is from Pin 1 through Pin 62.
Pin 5V System Environment
Side B Side A
1 -12V TRST#
2 TCK +12V
3 Ground TMS
4 TDO TDI
5 +5V +5V
6 +5V INTA#
7 INTB# INTC#
8 INTD# +5V
9 PRSNT1# Reserved
10 Reserved +5V(I/O)
11 PRSNT2# Reserved
12 Ground Ground
13 Ground Ground
14 Reserved Reserved
15 Ground RST#
16 CLK +5V (I/O)
17 Ground GNT#
18 REQ# Ground
19 +5V (I/O) Reserved
20 AD[31] AD[30]
21 AD[29] +3.3V
22 Ground AD[28]
23 AD[27] AD[26]
24 AD[25] Ground
25 +3.3V AD[24]
26 C/BE[3]# IDSEL
27 AD[23] +3.3V
28 Ground AD[22]
29 AD[21] AD[20]
30 AD[19] Ground
31 +3.3V AD[18]
32 AD[17] AD[16]
33 C/BE[2]# +3.3V
34 Ground FRAME#
35 IRDY# Ground
36 +3.3V TRDY#
37 DEVSEL# Ground
38 Ground STOP#
39 LOCK# +3.3V
40 PERR# SDONE
41 +3.3V SBO#
42 SERR# Ground
43 +3.3V PAR