IEI Integration ECW-281B-N270-WT v2.10 - Manual (Page 41)

ECW-281B-R21/N270 Embedded System
Page 25
CN Location: See
707H707H709H
Figure 3-6
CN Pinouts: See
708H708H710H
Table 3-6
The LED connector connects to an HDD indicator LED and a power LED on the system
chassis to inform the user about HDD activity and the power on/off status of the system.
Figure 3-6: LED Connector Locations
PIN NO. DESCRIPTION
1 +5V
2 GND
3 Power LED+
4 Power LED-
5 HDD LED+
6 HDD LED-
Table 3-6: LED Connector Pinouts
3.3.6 PCIe Mini Card Slot
CN Label: CN4
CN Type: 52-pin Mini PCIe Card Slot
CN Location: See
791H709H709H711H
Figure 3-7
CN Pinouts: See
710H710H712H
Table 3-7
The PCIe mini card slot enables a PCIe mini card expansion module to be connected to
the board. Cards supported include among others wireless LAN (WLAN) cards.