Installation guide

IEM-LX-800 ETX CPU Module
4.2 ETX Interface Connectors
The IEM-LX embedded module has standard four standard ETX interface connectors on
the reverse side of the board. The location of the pins and the pinout descriptions are
given below.
4.2.1 ETX-X1 Connector
CN Label: CN4
CN Type: 100-pin ETX connector
CN Location: See
Figure 4-3
CN Pinouts: See Table 4-2
The standard ETX-X1 connector locations and pinouts are shown below.
Figure 4-3: ETX-X1 Connector Pinouts
Pin Description Pin Description Pin Description Pin Description
1 GND 2 GND 51 VCC5 52 VCC5
3 PCICLK3 4 PCICLK4 53 PAR 54 SERR#
5 GND 6 GND 55 PERR# 56 RESERVED
7 PCICLK1 8 PCICLK2 57 PME# 58 USB2#
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