Specifications

17 January 1997 – Subject to Change
System Configuration and Connectors 2–7
AlphaPC 164 Connector Pinouts
2.1.7 Flash ROM Update Jumper (J31)
When J31—2/3 are jumpered together (default), the flash ROM is write-enabled.
When J31—1/2 are jumpered together, the flash ROM is write-protected.
2.2 AlphaPC 164 Connector Pinouts
This section lists the pinouts of all connectors (see Table 2–2 through Table 2–18).
See Figure 2–1 for connector locations.
Table 2–2 Peripheral Component Interface (PCI) Bus Connector Pinouts
Pin Signal Pin Signal Pin Signal Pin Signal
32-Bit and 64-Bit PCI Connectors (J19, J20, J26, J29)
A1
TRST#
A2
+12V
A3
TMS
A4
TDI
A5
+5V
A6
INTA
A7
INTC
A8
+5V
A9 — A10
+5V
A11 — A12
GND
A13
GND
A14 — A15
RST#
A16
+5V
A17
GNT#
A18
GND
A19 — A20
AD[30]
A21
+3V
A22
AD[28]
A23
AD[26]
A24
GND
A25
AD[24]
A26
IDSEL
A27
+3V
A28
AD[22]
A29
AD[20]
A30
GND
A31
AD[18]
A32
AD[16]
A33
+3V
A34
FRAME#
A35
GND
A36
TRDY#
A37
STOP#
A38
STOP#
A39
+3V
A40
SDONE
A41
SBO#
A42
GND
A43
PAR
A44
AD[15]
A45
+3V
A46
AD[13]
A47
AD[11]
A48
GND
A49
AD[09]
A50 Not used A51 Not used A52
C/BE#[0]
A53
+3V
A54
AD[06]
A55
AD[04]
A56
GND
A57
AD[02]
A58
AD[00]
A59
+5V
A60
REQ64#
A61
+5V
A62
+5V
B1
-12V
B2
TCK
B3
GND
B4
TDO
B5
+5V
B6
+5V
B7
INTB
B8
INTD
B9
PRSNT1#
B10 —
B11
PRSNT2#
B12
GND
B13
GND
B14 —
B15
GND
B16
CLK
B17
GND
B18
REQ#
B19
+5V
B20
AD[31]
B21
AD[29]
B22
GND
B23
AD[27]
B24
AD[25]
B25
+3V
B26
C/BE#[3]
B27
AD[23]
B28
GND
B29
AD[21]
B30
AD[19]
B31
+3V
B32
AD[17]
B33
C/BE#[2]
B34
GND
B35
IRDY#
B36
+3V
B37
DEVSEL#
B38
GND
B39
LOCK#
B40
PERR#
B41
+3V
B42
SERR#