Intel P4000 - DATASHEET REV 001 - PCI Express Graphics Interface Signals; Table 6-25 PCI Express Graphics Interface Signals

Datasheet 75
Signal Description
6.4 PCI Express Graphics Interface Signals
PRDY# PRDY#: A processor output used by debug
tools to determine processor debug
readiness.
O
Asynchronous GTL
PREQ# PREQ#: Used by debug tools to request
debug operation of the processor.
I
Asynchronous GTL
RSVD
RSVD_TP
RSVD_NCTF
RESERVED. All signals that are RSVD and
RSVD_NCTF must be left unconnected on the
board. However, Intel recommends that all
RSVD_TP signals have via test points.
No Connect
Tes t Poin t
Non-Critical to
Function
Table 6-25.PCI Express Graphics Interface Signals
Signal Name Description
Direction/Buffer
Type
PEG_RX[15:0]
PEG_RX#[15:0]
PCI Express Graphics Receive
Differential Pair
I
PCI Express
PEG_TX[15:0]
PEG_TX#[15:0]
PCI Express Graphics Transmit
Differential Pair
O
PCI Express
PEG_ICOMPI PCI Express Graphics Input Current
Compensation
I
A
PEG_ICOMPO PCI Express Graphics Output Current
Compensation
I
A
PEG_RCOMPO PCI Express Graphics Resistance
Compensation
I
A
PEG_RBIAS PCI Express Resistor Bias Control I
A
Table 6-24.Reset and Miscellaneous Signals (Sheet 2 of 2)
Signal Name Description
Direction/Buffer
Type