JHCTech ALAD-K1220T, User Manual

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User’s Manual
12
If you encounter the followings,
a) CMOS data becomes corrupted.
b) You forgot the supervisor or user password.
you can reconfigure the system with the default values stored in the ROM BIOS.
To load the default values stored in the ROM BIOS, please follow the steps below.
1. Power-off the system and unplug the power cord.
2. Set JP4 pins 2 and 3 to On. Wait for a few seconds and set JP4 back to its default setting,
pins 1 and 2 On.
3. Now plug the power cord and power-on the system.
2.3.4 JP5: BKLEN Level Select
Figure 2.9
JP5 is used to select the level of BKLEN
：
3.3V or 5V.