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3.2 JUMPER SETTINGS ................................................................................. 22
JUMPERS & CONNECTORS GUIDE .................................................... 23
Jumpers
Clear CMOS Setting (JP1) ................................................................... 25
BIOS Flash Protection Setting (JP2) ...................................................... 25
Back-Panel Connectors
PS/2 Mouse & PS/2 Keyboard Connectors ............................................ 26
Parallel Port Connector .......................................................................... 26
COM1 Port Connector ........................................................................... 26
USB1/2/3/4 Port Connectors ................................................................. 26
LAN Port Connector (AB49N Only) ........................................................ 27
Line-In (6-Channel Rear-Out) Port Connector ......................................... 27
Line-Out (6-Channel Front-Out) Port Connector ...................................... 27
Mic-In (6-Channel Center/Bass-Out) Port Connector .............................. 27
Front-Panel Connectors
HDD LED Connector (HDLED) ............................................................. 28
Hardware Reset Connector (HWRST) .................................................... 28
Green LED Connector (GRNLED) ......................................................... 29
ATX Power On/Off Switch Connector (PWRSW) .................................... 29
Extended USB Header (USB3) .............................................................. 30
Front Panel Microphone and Line-Out Header (AUDIO1) ....................... 30
Internal Peripheral Connectors
Enhanced IDE and Floppy Connectors (IDE1/IDE2 & FDD1) ................. 31
Other Connectors
ATX Power Supply Connectors (ATX1/ATX12V) .................................... 32
CPU, Power, and Chassis Fan Connectors (CPUFAN1/PWRFAN1/
CASFAN1) ............................................................................................ 33