Note, Tablea.1 pci connector j1 (front), Pci connector j1 (front) – LSI SYM22801 User Manual
Page 60
A-4
Technical Specifications
Note:
The + 3.3 V pins are tied together and decoupled with high
frequency bypass capacitors to ground. No current from
these 3.3 V pins is used on the board. The PCI portion of
the SYM53C876 chip is powered from the 3 V/5 V pins.
Table A.1
PCI Connector J1 (Front)
1
1.
Shaded signals are not connected.
Signal Name
Pin
Signal Name
Pin
Signal Name
Pin
−
12 V
1
GND
22
+3.3 V
43
TCK
2
AD27
23
C_BE1/
44
GND
3
AD25
24
AD14
45
TDO
4
+3.3 V
25
GND
46
+5 V
5
C_BE3/
26
AD12
47
+5 V
6
AD23
27
AD10
48
INTB/
7
GND
28
GND
49
INTD/
8
AD21
29
KEYWAY
50
GND (PRSNT1/)
9
AD19
30
KEYWAY
51
RESERVED
10
+3.3 V
31
AD08
52
GND (PRSNT2/)
11
AD17
32
AD07
53
KEYWAY
12
C_BE2/
33
+3.3 V
54
KEYWAY
13
GND
34
AD05
55
RESERVED
14
IRDY/
35
AD03
56
GND
15
+3.3 V
36
GND
57
CLK
16
DEVSEL/
37
AD01
58
GND
17
GND
38
3 V/5 V
59
REQ/
18
LOCK/
39
ACK64/
60
3 V/5 V
19
PERR/
40
+5 V
61
AD31
20
+3.3 V
41
+5 V
62
AD29
21
SERR/
42