Connector Pin Assignments A-19
RISER BOARD NLX CONNECTOR P1 (PCI SEGMENT)
The following table lists connector pin assignments for the PCI segment of the riser board
NLX connector P1.
Table A-23 NLX Connector P1 Pin Assignments
(PCI Segment)
Pin
Signal
Type
I/O
Termination
A1
– 12V
PWR
NA
NA
A2
REQ4#
PCI
I
RIS
A3
+12V
PWR
NA
NA
A4
GNT4#
PCI
O
RIS
A5
3.3VDC
PWR
NA
NA
A6
PCIINT3#
PCI
I
RIS
A7
3.3VDC
PWR
NA
NA
A8
PCIINT0#
PCI
I
RIS
A9
PCIINT1#
PCI
I
RIS
A10
PCICLK2
PCI
O
MB
A11
3.3VDC
PWR
NA
NA
A12
PCI_RST#
PCI
O
MB
A13
GNT0#
PCI
O
RIS
A14
PCICLK4
PCI
O
MB
A15
GND
PWR
NA
NA
A16
GNT1#
PCI
O
RIS
A17
3.3VDC
PWR
NA
NA
A18
REQ2#
PCI
I
RIS
A19
REQ3#
PCI
I
RIS
A20
AD[30]
PCI
I/O
RIS
A21
GND
PWR
NA
NA
A22
AD[25]
PCI
I/O
RIS
A23
REQ1#
PCI
I
RIS
A24
AD[27]
PCI
I/O
RIS
A25
3.3VDC
PWR
NA
NA
A26
AD[23]
PCI
I/O
RIS
A27
AD[20]
PCI
I/O
RIS