- 26 -
Jumpers
JP1
: Clear CMOS setting
JP2
: BIOS Write Protection setting
Back Panel Connectors
KB
: PS/2 keyboard port
MS
: PS/2 mouse port
COM1
: Serial port 1 (DB9 male)
VGA
: VGA port (DB15 female)
PRINTER
: Parallel port (DB25 female)
LINE_OUT
: Line-Out port
LINE_IN
: Line-In port
MIC_IN
: Mic-In port
MIDI/GAME
: MIDI/GAME port
LAN
: RJ45 LAN port (MS51N only)
USB port 1/2
: 2 USB (Universal Serial Bus) ports
Front Panel Connectors
PWR SW
: ATX power on/off momentary type switch
ACPI LED
: Green LED (ON when system stays in power saving
mode)/System power LED
HDD LED
: IDE drive active LED
RST SW
: Hardware reset switch
SPEAKER
: Internal speaker in housing
LUSB1/2
: Extended USB connector headers
(USB port 3~ USB port 6)
Internal Peripherals Connectors
FLOPPY1
: Floppy disk drive interface
IDE1
: IDE primary interface (Dual-channel)
IDE2
: IDE secondary interface (Dual-channel)
A1
B1
B2
B3
B4
B1
B5
B6
B7
B8
C1
C2
C3
C4
C5
C6
D1
D1
B9
A2
B10
D1
