Pci Connector J1 (Top - LSI LSI8751SP User Manual

A-4
these 3.3 V pins is used on the board. The PCI portion of
the LSI53C875J chip is powered from the 3 V/5 V pins.
Table A.2

PCI Connector J1 (Top)

Signal Name
− 12 V
TCK
GND
TDO
+5 V
+5 V
INTB/
INTD/
GND (PRSNT1/)
RESERVED
GND (PRSNT2/)
KEYWAY
KEYWAY
RESERVED
GND
CLK
GND
REQ/
3 V/5 V
AD31
AD29
1. Shaded signals are not connected.
Technical Specifications
1
Pin Signal Name
1 GND
2 AD27
3 AD25
4 +3.3 V
5 C_BE3/
6 AD23
7 GND
8 AD21
9 AD19
10 +3.3 V
11 AD17
12 C_BE2/
13 GND
14 IRDY/
15 +3.3 V
16 DEVSEL/
17 GND
18 LOCK/
19 PERR/
20 +3.3 V
21 SERR/
Pin Signal Name
22 +3.3 V
23 C_BE1/
24 AD14
25 GND
26 AD12
27 AD10
28 GND
29 KEYWAY
30 KEYWAY
31 AD08
32 AD07
33 +3.3 V
34 AD05
35 AD03
36 GND
37 AD01
38 3V /5 V
39 ACK64/
40 +5 V
41 +5 V
42
Pin
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62