|
MS-6121
MICRO-STAR INTERNATIONAL CO., LTD.
MS-6121
|
Device Type
|
Mainboard
|
|
Processor
|
Pentium II
|
|
Processor Speed
|
233/266/300/333/350/400/450MHz
|
|
Chip Set
|
Intel 440BX
|
|
Maximum Onboard Memory
|
768MB (EDO & SDRAM supported)
|
|
Audio Chip Set
|
Yamaha
|
|
Cache
|
256/512KB (located on Pentium II CPU)
|
|
BIOS
|
Award
|
|
Dimensions
|
207mm x 254mm
|
|
I/O Options
|
32-bit PCI slots (2), Ethernet 10BaseT connector, floppy drive interface, game/MIDI port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, line in, line out, microphone in, audio in CD-ROM, SB-link connector, wake on LAN connector
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
CPU fan power
|
C1
|
Ethernet 10BaseT connector
|
CN7
|
|
Parallel port
|
CN1
|
Microphone in
|
CN8
|
|
Serial port 1
|
CN2
|
Line in
|
CN9
|
|
Serial port 2
|
CN3
|
Line out
|
CN10
|
|
PS/2 mouse port
|
CN4
|
Audio in CD-ROM
|
J2
|
|
Game/MIDI port
|
CN5
|
SB-link connector
|
J4
|
|
USB connector
|
CN6
|
Temperature sensor
|
JSOR
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Label
|
Position
|
|
»
|
CMOS memory normal operation
|
JBAT
|
Pins 1 & 2 closed
|
|
|
CMOS memory clear
|
JBAT
|
Pins 2 & 3 closed
|
|
|
MIC terminal select 3
|
JMIC
|
Pins 1 & 2 closed
|
|
|
MIC terminal select 2
|
JMIC
|
Pins 2 & 3 closed
|
|
|
Power on mode select boot up by switch
|
JP2
|
Closed
|
|
|
Power on mode select immediate boot up
|
JP2
|
Open
|
|
DIMM CONFIGURATION
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
|
8MB
|
(1) 1M x 64
|
None
|
None
|
|
16MB
|
(1) 1M x 64
|
(1) 1M x 64
|
None
|
|
16MB
|
(1) 2M x 64
|
None
|
None
|
|
24MB
|
(1) 1M x 64
|
(1) 1M x 64
|
(1) 1M x 64
|
|
32MB
|
(1) 2M x 64
|
(1) 2M x 64
|
None
|
|
32MB
|
(1) 4M x 64
|
None
|
None
|
|
48MB
|
(1) 2M x 64
|
(1) 2M x 64
|
(1) 2M x 64
|
|
64MB
|
(1) 4M x 64
|
(1) 4M x 64
|
None
|
|
64MB
|
(1) 8M x 64
|
None
|
None
|
|
96MB
|
(1) 4M x 64
|
(1) 4M x 64
|
(1) 4M x 64
|
|
128MB
|
(1) 8M x 64
|
(1) 8M x 64
|
None
|
|
128MB
|
(1) 16M x 64
|
None
|
None
|
|
164MB
|
(1) 16M x 64
|
(1) 1M x 64
|
None
|
|
144MB
|
(1) 16M x 64
|
(1) 1M x 64
|
(1) 1M x 64
|
|
144MB
|
(1) 16M x 64
|
(1) 2M x 64
|
None
|
|
160MB
|
(1) 16M x 64
|
(1) 2M x 64
|
(1) 2M x 64
|
|
160MB
|
(1) 16M x 64
|
(1) 4M x 64
|
None
|
|
192MB
|
(1) 16M x 64
|
(1) 4M x 64
|
(1) 4M x 64
|
|
192MB
|
(1) 16M x 64
|
(1) 8M x 64
|
None
|
|
192MB
|
(1) 8M x 64
|
(1) 8M x 64
|
(1) 8M x 64
|
|
256MB
|
(1) 16M x 64
|
(1) 8M x 64
|
(1) 8M x 64
|
|
DIMM CONFIGURATION (CONT)
|
|
Size
|
Bank 0
|
Bank 1
|
Bank 2
|
|
256MB
|
(1) 16M x 64
|
(1) 16M x 64
|
None
|
|
256MB
|
(1) 32M x 64
|
None
|
None
|
|
264MB
|
(1) 32M x 64
|
(1) 1M x 64
|
None
|
|
272MB
|
(1) 32M x 64
|
(1) 1M x 64
|
(1) 1M x 64
|
|
272MB
|
(1) 32M x 64
|
(1) 2M x 64
|
None
|
|
288MB
|
(1) 32M x 64
|
(1) 2M x 64
|
(1) 2M x 64
|
|
288MB
|
(1) 32M x 64
|
(1) 4M x 64
|
None
|
|
320MB
|
(1) 32M x 64
|
(1) 4M x 64
|
(1) 4M x 64
|
|
320MB
|
(1) 32M x 64
|
(1) 8M x 64
|
None
|
|
384MB
|
(1) 32M x 64
|
(1) 8M x 64
|
(1) 8M x 64
|
|
384MB
|
(1) 32M x 64
|
(1) 16M x 64
|
None
|
|
384MB
|
(1) 16M x 64
|
(1) 16M x 64
|
(1) 16M x 64
|
|
512MB
|
(1) 32M x 64
|
(1) 16M x 64
|
(1) 16M x 64
|
|
512MB
|
(1) 32M x 64
|
(1) 32M x 64
|
None
|
|
768MB
|
(1) 32M x 64
|
(1) 32M x 64
|
(1) 32M x 64
|
|
Note: Board accepts SDRAM memory.
|
|
CACHE CONFIGURATION
|
|
Note: 256KB/512KB cache is located on the Pentium II CPU.
|
|
CPU SPEED SELECTION
|
|
CPU speed
|
Clock speed
|
Multiplier
|
SW1/1
|
SW1/2
|
SW1/3
|
SW1/4
|
|
200MHz
|
66MHz
|
3x
|
On
|
On
|
Off
|
On
|
|
233MHz
|
66MHz
|
3.5x
|
On
|
Off
|
Off
|
On
|
|
266MHz
|
66MHz
|
4x
|
On
|
On
|
On
|
Off
|
|
300MHz
|
66MHz
|
4.5x
|
On
|
Off
|
On
|
Off
|
|
333MHz
|
66MHz
|
5x
|
On
|
On
|
Off
|
Off
|
|
350MHz
|
100MHz
|
3.5x
|
On
|
Off
|
Off
|
On
|
|
400MHz
|
100MHz
|
4x
|
On
|
On
|
On
|
Off
|
|
450MHz
|
100MHz
|
4.5x
|
On
|
Off
|
On
|
Off
|
|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
System fan power
|
C1
|
Audio in CD-ROM
|
J6
|
|
Chassis fan power
|
C2
|
Audio in CD-ROM
|
J7
|
|
IDE interface 1
|
CN1
|
Soft off power supply
|
JSW1
|
|
IDE interface 2
|
CN2
|
32-bit PCI slots
|
PC1 PC2
|
|
Floppy drive interface
|
CN3
|
Power LED & keylock
|
U1/pins 1 5
|
|
USB connector
|
CN4
|
Speaker
|
U1/pins 7 - 10
|
|
IR connector
|
IR1
|
IDE interface LED
|
U1/pins 12 & 24
|
|
Green PC LED
|
J1
|
Turbo LED
|
U1/pins 14 & 15
|
|
Green PC connector
|
J2
|
Green PC connector
|
U1/pins 17 & 18
|
|
Wake on modem connector
|
J3
|
Reset switch
|
U1/pins 21 & 22
|
|
Chassis intrusion connector
|
J4
|
Wake on LAN connector
|
WOL
|
|
Note: The ATX power connector is located on the backside of the riser card.
|
|
USER CONFIGURABLE SETTINGS
|
|
Function
|
Label
|
Position
|
|
»
|
Factory configured - do not alter
|
J9
|
Unidentified
|
|