Mainboard KM61S-AM2
15
The following steps explain how to reset your CMOS configurations
when you have forgotten your system password.
Printer Interface Header: JPRNT1
This mainboard provides one JPRNT1 header for you connecting an additional printer
connector on your case back panel. Attach the cable of printer connector (Optional) onto this
header, and then you can use the printer connector connecting with a printer.
Clear CMOS Jumper: JCMOS1
The “Clear CMOS” function is used when you cannot boot your system due to some CMOS
problems, such as a password is forgotten. This jumper allows you to reset the CMOS
configurations, and then reconfigure it.
JCMOS1
Assignment
Pin 1-2 Close
Normal (Default)
Pin 2-3 Close
Clear CMOS Data
Note:
Close stands for putting a jumper cap onto two header pins.
1. Turn off your system and disconnect the AC power cable.
2. Set JCMOS1 header to OFF (2-3 Closed).
3. Wait several seconds.
4. Set JCMOS1 header to ON (1-2 closed).
5. Connect the AC power cable and turn on your system.
6. Reset your new password.
Pin
Assignment
Pin
Assignment
1 -Strobe
2 -ALF
3 Data
0
4 -Error
5 Data
1
6 -Init
7 Data
2
8 -Scltin
9 Data
3
10 Ground
11
Data 4
12
Ground
13
Data 5
14
Ground
15
Data 6
16
Ground
17
Data 7
18
Ground
19
-ACK 20
Ground
21
Busy 22
Ground
23
PE 24
Ground
JPRNT1
25
SCLT
