User`s manual

Mini-ITX Mainboard Manual
16
JCMOS1: Clear CMOS Header *
Placing the jumper on pin2-3 allows user to restore the BIOS safe setting and
the CMOS data. Please carefully follow the procedures to avoid damaging the
mainboard.
1
3
Pin 1-2 Close: (Default)
Normal Operation.
13
1
3
Pin 2-3 Close:
Clear CMOS data.
Clea r CMOS Procedures:
1. Remove AC power line.
2. Set the jumper to “Pin 2-3 close”.
3. Wait for five seconds.
4. Set the jumper to “Pin 1-2 close”.
5. Power on the AC.
6. Reset your desired password or clear the CMOS data.
JDIO1: Digital I/O Connector
This connector offers 4-pair of digital I/O functions and address is set in BIOS.
The default address is: A21H: Output bit0~3; A22H: Input bit0~3.
Pin Assignment
1 5V
2 Digital-In-30
3 Digital-Out-20
4 Digital-In-31
5 Digital-Out-21
6 Digital-In-32
7 Digital-Out-22
8 Digital-In-33
9 Digital-Out-23
10 GND
12
910