MSI MS-98I0 - 2. Hardware Setup: Internal Connectors; Chassis Intrusion Header JCASE1; RS232 Serial Port Connectors COM2-COM6; USB 2.0 Headers JUSB1, JUSB2, JUSB3

2-11
Hardware Setup MS-98I0
Chassis Intrusion Header: JCASE1
This connector connects to the chassis intrusion switch cable. If the computer
case is opened, the chassis intrusion mechanism will be activated. The system
will record this intrusion and a warning message will ash on screen. To clear the
warning, you must enter the BIOS utility and clear the record.
1
.
C
I
N
T
R
U
2
.
G
r
o
u
n
d
RS232 Serial Port Connector: COM2, COM3, COM4, COM5,
COM6
This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach serial devices to it through the optional serial
port bracket.
PIN SIGNAL DESCRIPTION
1
2
3
4
5
6
7
8
9
10
NDCD
NSIN
NSOUT
NDTR
GND
NDSR
NRTS
NCTS
RI
NC
Data Carrier Detect
Signal In
Signal Out
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicate
No Connection
USB 2.0 Header: JUSB1, JUSB2, JUSB3
This connector, compliant with Intel I/O Connectivity Design Guide, is ideal for
connecting high-speed USB interface peripherals such as USB HDD, digital cam-
eras, MP3 players, printers, modems and the like.
1.VCC
3.USB0-
10.NC
5.USB0+
7.Ground
9.No Pi
n
8
.Ground
6.USB1+
4.USB1-
2.VC
C
Important
Note that the pins of VCC and GND must be connected correctly to avoid pos-
sible damage.