1 at/atx power selection jumper, 2 clear cmos jumper, Table 3-2: at/atx power selection jumper settings – IEI Integration ECW-281B_D2550 User Manual
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ECW-281B-D2550 Embedded System
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3.6.1 AT/ATX Power Selection Jumper
Jumper Label:
JP2
Jumper Type:
2-pin header
Jumper Settings:
Jumper Location:
The AT/ATX power selection jumper specifies the system power mode as AT or ATX.
Setting
Description
Short 1-2
Use ATX power (Default)
Off
Use AT power
Table 3-2: AT/ATX Power Selection Jumper Settings
Figure 3-14: AT/ATX Power Selection Jumper Location
3.6.2 Clear CMOS Jumper
Jumper Label:
JP3
Jumper Type:
3-pin header
Jumper Settings:
Jumper Location:
If the ECW-281B-D2550 fails to boot due to improper BIOS settings, the clear CMOS
jumper clears the CMOS data and resets the system BIOS information. To do this, use the
jumper cap to close the pins for a few seconds then remove the jumper clip.