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Jumpers
JP1
: Clear CMOS setting
JP2
: BIOS flash protection setting
Back Panel Connectors
MS
: PS/2 mouse port
KB
: PS/2 keyboard port
LPT1
: Parallel port (DB25 female)
COM1
: Serial port 1 (DB9 male)
USB
: 4 USB (Universal Serial Bus) ports 1/2/3/4
LAN
: 1 LAN port (AB49N Only)
LINE_IN
: Line-In (6-Channel Rear-Out) port
LINE_OUT
: Line-Out (6-Channel Front-Out) port
MIC_IN
: Mic-In (6-Channel Center/Bass-Out) port
Front Panel Connectors
HDLED
: IDE drive active LED
HWRST
: Hardware reset switch
GRNLED
: Green LED
PWRSW
: ATX power on/off momentary type switch
USB3
: Extended USB header
AUDIO1
: Front panel microphone and line-out header
Internal Peripherals Connectors
FDD1
: Floppy disk drive interface
IDE1
: IDE primary interface (dual-channel)
IDE2
: IDE secondary interface (dual-channel)
Other Connectors
ATX1/ATX12V : ATX power connectors
CPUFAN1
: CPU fan connector
PWRFAN1
: Power fan connector
CASFAN1
: Chassis fan connector
CDIN1/CDIN2 : CD_IN connectors
IR1
: IR header
A2
A1
B6
C6
B1
B1
B2
B3
B4
B5
B7
B8
C1
C2
C3
C4
C5
D1
D1
D1
E1
E2
E2
E2
E3
E4