IEI Integration ECW-281B-N270-WT v2.10 - Manual (Page 31)

ECW-281B-R21/N270 Embedded System
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Figure 2-7: Bottom Surface
2.4 Internal Overview
The ECW-281B/281B2-R21/N270 internal components are listed below:
1 x IEI WAFER motherboard (preinstalled)
1 x IEI power module (preinstalled)
1 x SO-DIMM module (preinstalled)
1 x Hard drive bracket and SATA cable support one SATA hard disk
All the components are accessed by removing the bottom surface.