1 access the jumpers, 2 preconfigured jumpers, 3 clear cmos jumper – IEI Integration AFL-15i-HM55 v2.00 User Manual
Page 38: Table 3-2: preconfigured jumpers

AFL-HM55 Series Panel PC
Page 27
3.9.1 Access the Jumpers
To access the jumpers, please remove the back panel and the internal aluminum chassis
(see Section 3.7 and Section3.8).
3.9.2 Preconfigured Jumpers
WARNING:
Do not change the settings on the jumpers in described here. Doing so
may disable or damage the system.
The following jumpers are preconfigured for the AFL-HM55 Series. Users should not
change these jumpers (Table 3-2).
Jumper Name
Label
Type
MCU Detect LCD Type
JP3
4-pin header
MCU PWM Power
JP4
3-pin header
LCD Power Select
J_VLVDS1
6-pin header
Table 3-2: Preconfigured Jumpers
3.9.3 Clear CMOS Jumper
Jumper Label:
J_CMOS1
Jumper Type:
3-pin header
Jumper Settings:
Jumper Location:
If the AFL-HM55 Series 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.