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Before removing or installing any of these devices including CPU, DIMMs, Add-On
Cards, Cables, please make sure to unplug the onboard power connector.
This section outlines how to install and configure your mainboard. Refer to the following
mainboard layout to help you to identify various jumpers, connectors, slots, and ports.
Then follow these steps designed to guide you through a quick and correct installation of
your system.
3.1 Step-by-Step Installation
3 HARDWARE INSTALLATION
Accessories Of MS51/MS51N
P SK BM 1
C O M 1
V G A 1
VGA P RT
1
1
1
1
1
1
1
I T 8 7 1 2 F - A
9 9 4 4 - D X S
M A 4 5 0 0
CHS
FA
N1
BAKFAN1
CPUFAN1
1
1
1
1
PW
R
SW
LP
AN
E
L1
RS
T
SW
SP
EAKE
R
AC
PI
LE
D
HDD
LED
1
1
1
1
1
1
1
CDIN1
COM2
CDIN2
LM DN1
JP2
1
DI
M
M
2
DI
M
M
1
ID
E
1
ID
E
2
AT
X2
AT X1
U
SB
3 & 4
U
SB
5 & 6
JP1
J1
LE
D
1
WOM1
WOL1
LS
IR
1
USBL AN1
LU
SB1
LU
SB2
PC I 1
AG P 1
PC I 2
PC I 3
C N R 1
R
T
L81
00B
1
8034
T
3
00
9B
T
A
IW
A
N
4
MC
+
9 6 1
S IS '0 0
E L D 2 6 9 1
0 1 3 8 E A
5 E5
+
6 50
S IS '0 1
PL D 48 9 2
0 14 5E A
5E5
F LOPPY1
Three PCI Slots
One AGP 4x Slot
One CNR Slot
SOCKET 478
BAKFAN1
CHSFAN1
USB & LAN
Connectors
(MS51N only)
Extended USB 1.1 Headers -
LUSB1/LUSB2
Fr
on
t-Pa
ne
l
-
L
PA
N
EL
1
He
ad
er
Parallel Connector
Serial Port
Connector (COM1)
COM2 Connector
Front Audio Connector
- LAUDIO1
VGA Port Connector
RTL8100 LAN Controller
(MS51N only)
Onboard Audio CODEC
Line-Out/Line-In/Mic-In/
Game/MIDI Connectors
Onboard Audio
Connectors -
CDIN1/CDIN2
PS/2 Keyboard and
PS/2 Mouse Connectors
I/O Controller
Two 184-pin DIMM Slots
Memory module LED
- LED1
CP
U
FAN
1
ATX Power Connector
- ATX2
P4 ATX 12V Power Connector
- ATX1
IR Connector -
LSIR1
BIOS Write Protection
- JP2
Modem in Connector
- LMDN1
Clear CMOS -
JP1
Wake On LAN -
WOL1
Ba
tte
ry
Wake On Modem -
WOM1
C
loc
k
Ge
ne
ra
to
r
Programmable Flash EEPROM (FWH)
SiS 961 Chipset
Floppy Connector
Tw
o
E-ID
E
C
on
ne
cto
rs
SiS 650 Chipset