307013-003 Datasheet, PDF (55/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Signal Description
2.1
Direct Media Interface (DMI) to Host Controller
Table 2-1.
Direct Media Interface Signals
Name
Type
DMI[0:1]TXP,
DMI[0:1]TXN
Description
DMI[2:3]TXP, ^{O Direct Media Interface Differential Transmit Pair 0:3}
DMI[2:3]TXN
(Desktop and
Mobile Only)
DMI[0:1]RXP,
DMI[0:1]RXN
DMI[2:3]RXP, ^{I Direct Media Interface Differential Receive Pair 0:3}
DMI[2:3]RXN
(Desktop and
Mobile Only)
DMI_ZCOMP
I Impedance Compensation Input: Determines DMI input impedance.
DMI_IRCOMP
O
Impedance/Current Compensation Output: Determines DMI
output impedance and bias current.
2.2
PCI Express* (Desktop and Mobile Only)
Table 2-2.
PCI Express* Signals
Name
Type
Description
PETp[1:4],
PETn[1:4]
O PCI Express* Differential Transmit Pair 1:4
PERp[1:4],
PERn[1:4]
I PCI Express Differential Receive Pair 1:4
PETp[5:6],
PETn[5:6]
(Intel^® ICH7R/
ICH7DH/ICH7-M DH
O
PCI Express* Differential Transmit Pair 5:6
Reserved: ICH7/ICH7-M
Only)
PERp[1:4],
PERn[5:6]
(ICH7R/ICH7DH/
ICH7-M DH Only)
PCI Express Differential Receive Pair 5:6
I
Reserved: ICH7/ICH7-M
Intel ^® ICH7 Family Datasheet
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