82801FB Datasheet, PDF (56/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Signal Description
2.1
Direct Media Interface (DMI) to Host Controller
Table 2-1. Direct Media Interface Signals
Name
Type
Description
DMI[0]TXP,
DMI[0]TXN
DMI[0]RXP,
DMI[0]RXN
DMI[1]TXP,
DMI[1]TXN
DMI[1]RXP,
DMI[1]RXN
DMI[2]TXP,
DMI[2]TXN
DMI[2]RXP,
DMI[2]RXN
DMI[3]TXP,
DMI[3]TXN
DMI[3]RXP,
DMI[3]RXN
DMI_ZCOMP
DMI_IRCOMP
O Direct Media Interface Differential Transmit Pair 0
I Direct Media Interface Differential Receive Pair 0
O Direct Media Interface Differential Transmit Pair 1
I Direct Media Interface Differential Receive Pair 1
O Direct Media Interface Differential Transmit Pair 2
I Direct Media Interface Differential Receive Pair 2
O Direct Media Interface Differential Transmit Pair 3
I Direct Media Interface Differential Receive Pair 3
I Impedance Compensation Input: Determines DMI input impedance.
O
Impedance/Current Compensation Output: Determines DMI output impedance
and bias current.
2.2
PCI Express*
Table 2-2. PCI Express* Signals
Name
PETp[1],
PETn[1]
PERp[1],
PERn[1]
PETp[2],
PETn[2]
PERp[2],
PERn[2]
PETp[3],
PETn[3]
PERp[3],
PERn[3]
PETp[4],
PETn[4]
PERp[4],
PERn[4]
Type
Description
O PCI Express* Differential Transmit Pair 1
I PCI Express Differential Receive Pair 1
O PCI Express Differential Transmit Pair 2
I PCI Express Differential Receive Pair 2
O PCI Express Differential Transmit Pair 3
I PCI Express Differential Receive Pair 3
O PCI Express Differential Transmit Pair 4
I PCI Express Differential Receive Pair 4
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Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet