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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 (CON’T)

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