Intel 6 SERIES CHIPSET - DATASHEET 01-2011 - Direct Media Interface (DMI) to Host Controller; Direct Media Interface Signals; PCI Express; PCI Express* Signals

Datasheet 55
Signal Description
2.1 Direct Media Interface (DMI) to Host Controller
2.2 PCI Express*
Table 2-1. Direct Media Interface Signals
Name Type Description
DMI0TXP,
DMI0TXN
O Direct Media Interface Differential Transmit Pair 0
DMI0RXP,
DMI0RXN
I Direct Media Interface Differential Receive Pair 0
DMI1TXP,
DMI1TXN
O Direct Media Interface Differential Transmit Pair 1
DMI1RXP,
DMI1RXN
I Direct Media Interface Differential Receive Pair 1
DMI2TXP,
DMI2TXN
O Direct Media Interface Differential Transmit Pair 2
DMI2RXP,
DMI2RXN
I Direct Media Interface Differential Receive Pair 2
DMI3TXP,
DMI3TXN
O Direct Media Interface Differential Transmit Pair 3
DMI3RXP,
DMI3RXN
I Direct Media Interface Differential Receive Pair 3
DMI_ZCOMP I
Impedance Compensation Input: Determines DMI input
impedance.
DMI_IRCOMP O
Impedance/Current Compensation Output: Determines DMI
output impedance and bias current.
DMI2RBIAS I/O
DMI2RBIAS: Analog connection point for 750  ±1% external
precision resistor.
Table 2-2. PCI Express* Signals (Sheet 1 of 2)
Name Type Description
PETp1, PETn1 O PCI Express* Differential Transmit Pair 1
PERp1, PERn1 I PCI Express Differential Receive Pair 1
PETp2, PETn2 O PCI Express Differential Transmit Pair 2
PERp2, PERn2 I PCI Express Differential Receive Pair 2
PETp3, PETn3 O PCI Express Differential Transmit Pair 3
PERp3, PERn3 I PCI Express Differential Receive Pair 3
PETp4, PETn4 O PCI Express Differential Transmit Pair 4
PERp4, PERn4 I PCI Express Differential Receive Pair 4
PETp5, PETn5 O PCI Express Differential Transmit Pair 5
PERp5, PERn5 I PCI Express Differential Receive Pair 5
PETp6, PETn6 O PCI Express Differential Transmit Pair 6