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AlphaPC 164UX Connector Pinouts
Table 2–2 PCI Bus Connector Pinouts
Pin
Signal
Pin
A9
—
A10
A13
Gnd
A14
A17
GNT#
A18
A21
+3V
A22
A25
AD<24>
A26
A29
AD<20>
A30
A33
+3V
A34
A37
STOP#
A38
A41
SBO#
A42
A45
+3V
A46
A49
AD<09>
A50
A53
+3V
A54
A57
AD<02>
A58
A61
Vdd
A62
B3
Gnd
B4
B7
INTB
B8
B11
PRSNT2#
B12
B15
Gnd
B16
B19
Vdd
B20
B23
AD<27>
B24
B27
AD<23>
B28
B31
+3V
B32
B35
IRDY#
B36
B39
LOCK#
B40
B43
+3V
B44
B47
AD<12>
B48
B51
Not used
B52
B55
AD<05>
B56
B59
Vdd
B60
64-Bit PCI Connectors Only (J2)
A63
Gnd
A64
A67
PAR64
A68
A71
D<58>
A72
A75
Vdd
A76
A79
D<48>
A80
System Configuration and Connectors
2–6
Signal
Pin
Signal
Vdd
A11
—
—
A15
RST#
Gnd
A19
—
AD<28>
A23
AD<26>
IDSEL
A27
+3V
Gnd
A31
AD<18>
FRAME#
A35
Gnd
STOP#
A39
+3V
Gnd
A43
PAR
AD<13>
A47
AD<11>
Not used
A51
Not used
AD<06>
A55
AD<04>
AD<00>
A59
Vdd
Vdd
B1
–12V
TDO
B5
Vdd
INTD
B9
PRSNT1#
Gnd
B13
Gnd
CLK
B17
Gnd
AD<31>
B21
AD<29>
AD<25>
B25
+3V
Gnd
B29
AD<21>
AD<17>
B33
C/BE#<2>
+3V
B37
DEVSEL#
PERR#
B41
+3V
C/BE#<1>
B45
AD<14>
AD<10>
B49
Gnd
AD<08>
B53
AD<07>
AD<03>
B57
Gnd
ACK64#
B61
Vdd
C/BE#<7>
A65
C/BE#<5>
D<62>
A69
Gnd
Gnd
A73
D<56>
D<52>
A77
D<50>
D<46>
A81
Gnd
(Sheet 2 of 3)
Pin
Signal
A12
Gnd
A16
Vdd
A20
AD<30>
A24
Gnd
A28
AD<22>
A32
AD<16>
A36
TRDY#
A40
SDONE
A44
AD<15>
A48
Gnd
A52
C/BE#<0>
A56
Gnd
A60
REQ64#
B2
TCK
B6
Vdd
B10
—
B14
—
B18
REQ#
B22
Gnd
B26
C/BE#<3>
B30
AD<19>
B34
Gnd
B38
Gnd
B42
SERR#
B46
Gnd
B50
Not used
B54
+3V
B58
AD<01>
B62
Vdd
A66
Vdd
A70
D<60>
A74
D<54>
A78
Gnd
A82
D<44>
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