Quick Reference Guide
EGS-MX1 Quick Reference Guide
35
2.4.16.1 Signal Description
– COM Express connector (CN1)
2.4.16.1.1 Audio Signals
Signal
Signal Description
HDA_SYNC
HD Audio Sync
HDA _RST#
HD Audio Reset
2.4.16.1.2 Gigabit Ethernet Signals
Signal
Signal Description
GBE0_MD[0:3] +/-
Gigabit Ethernet Controller 0: Media Dependent Interface Differential Pairs 0,1,2,3.
The MDI can operate in 1000, 100 and 10 Mbit / sec modes. Some pairs are
unused in some modes, per the following:
1000B-T
100B-T
10B-T
MDI[0]+/-
B1_DA+/
TX+/-
TX+/-
MDI[1]+/
B1_DB+/
RX+/-
RX+/-
MDI[2]+/
B1_DC+/
X
X
MDI[3]+/
B1_DD+/
X
X
GBE0_ACT#
Gigabit Ethernet Controller 0 activity indicator, active low.
GBE0_Link#
Gigabit Ethernet Controller 0 link indicator, active low.
GBE0_Link100#
Gigabit Ethernet Controller 0 100 Mbit / sec link indicator, active low.
GBE0_Link1000#
Gigabit Ethernet Controller 0 1000 Mbit / sec link indicator, active low.
2.4.16.1.3 PCI Express Signals
Signal
Signal Description
PCIE_TX[0:6] +/-
PCI Express Differential Transmit Pair 0-6
PCIE_RX[0:6] +/-
PCI Express Differential Receive Pair 0-6
2.4.16.1.4 LPC Signals
Signal
Signal Description
LPC_FRAME#
LPC frame indicates the start of an LPC cycle
LPC_AD[0:3]
LPC multiplexed address, command and data bus
LPC_CLKOUT1
LPC clock output - 33MHz nominal