User manual
ICE-QM871 COM Express Module
Page 15
3.1.2 Peripheral Interface Connectors
The table below lists all the connectors on the ICE-QM871.
Connector Type Label
COM Express connector AB COM Express connector J3
COM Express connector CD COM Express connector J4
SO-DIMM connectors SO-DIMM connector DIMM1, DIMM2
SPI Flash (BIOS) 6-pin connector JSPI1
SPI Flash (EC) 6-pin connector JSPI2
Table 3-1: Peripheral Interface Connectors
3.2 Internal Peripheral Connectors
The section describes all of the connectors on the ICE-QM871.
3.2.1 COM Express Connector AB
CN Label: J3
CN Type:
220-pin COM Express connector
CN Location:
See Figure 3-2
CN Pinouts:
See Table 3-2
The standard COM Express connector AB location and pinouts are shown below.
Figure 3-2: COM Express Connector AB Location