IEI Integration ECW-281B-N270-WT v2.00 - Manual (Page 36)

ECW-281B Embedded System
Page 20
PCIe Mini Card slot PCIe Mini Slot CN4
Power Button 2-pin wafer PWRBTN1
Reset button connector 2-pin header RESET1
Serial ATA (SATA) drive connectors 7-pin SATA SATA1
RS-232 serial port connector (COM3 – COM6) 40-pin header COM
RS-232/422/485 serial port connector 14-pin header COM2
USB 2.0 connector 8-pin header USB01
Table 3-1: Peripheral Interface Connectors
3.3 Internal Peripheral Connectors
Internal peripheral connectors are found on the motherboard and are only accessible
when the motherboard is outside of the chassis. This section has complete descriptions of
the internal, peripheral connectors on the WAFER-945GSE that are used for the
ECW-281B/281B2-R20.
3.3.1 ATX Power Connector
CN Label: ATXPWR1
CN Type: 4-pin AT power connector (1x4)
CN Location: See
699H699H699H
Figure 3-2
CN Pinouts: See
700H700H700H
Table 3-2
The 4-pin ATX power connector is connected to a DC-DC power module.