
Shenzhen Maxtang Computer Co., Ltd
15
2.19 Front Panel Control Interface
(JPOWER1)
The front panel control interface is intended to connect the function buttons and the light indicator on the
front panel.
JPOWER1:
Signal
Pin
Signal
1
2
HDD_LED
-
3
4
PWR_LED
-
RST_BTN
-
5
6
7
8
PWR_ON
-
(NC)
9
10
2.20 Auto Power On
(JAT)
JAT:
Setting
JAT
Close
Hardware Auto Start
Note: This jumper function is similar to the “Restore AC Power Loss” function in the BIOS. When the
latter is set to be “power on” the device will start automatically after being connected to power.
2.21 CMOS Clearance/Retention
(screen printing: JCMOS)
The CMOS is powered by onboard button batteries, clearing CMOS will permanently remove the previous
system settings and restore the board to the original (factory settings) system settings.
Step 1: Turn off the PC and disconnect the power.
Step 2: Use the jumper cap to connect the 1st and 2nd header of JCMOS for about 10 seconds, then
disconnect.
Step 3: Press the <Del> button to enter the BIOS after restarting the computer, load the optimal default value,
save, and exit the settings.
JCMOS:
Setting
JCMOS
Close
Clear
the
CMOS
Please don’t clear COMS when the PC is connected to power in case of board damages.