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# MICRO-STAR INTERNATIONAL CO., LTD
MS-6125
Device Type Mainboard
Processor Pentium II
Processor Speed 200/233/266/300/333MHz
Chip Set Intel 440EX
Video Chip Set ATI 3D
Maximum Onboard 512MB (EDO & SDRAM supported)
Memory
Maximum Video 4MB
Memory
Audio Chip Set Yamaha YMF715
Cache 256/512KB (located on Pentium II CPU)
BIOS Award
Dimensions 254mm x 207mm
I/O Options 32-bit PCI slots (2), Ethernet 10BaseT
connector, floppy drive interface, game/MIDI
interface, IDE interfaces (2), parallel port,
PS/2 mouse port, serial ports (2), VGA port,
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, wake on modem connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| CPU fan power | C1 | Ethernet 10BaseT | CN6 |
| | | connector | |
|-----------------+----------+--------------------+----------|
| Parallel port | CN1 | Line in | CN7 |
|-----------------+----------+--------------------+----------|
| Serial port 1 | CN2 | Line out | CN8 |
|-----------------+----------+--------------------+----------|
| VGA port | CN3 | Game/MIDI | CN9 |
| | | interface | |
|-----------------+----------+--------------------+----------|
| Serial port 2 | CN4 | SB-link connector | J4 |
|-----------------+----------+--------------------+----------|
| PS/2 mouse port | CN5 | Temperature sensor | J5 |
| | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | JBAT | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JBAT | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Power on mode select boot up by | JP2 | Closed |
| | switch | | |
|---+-----------------------------------+-------+------------|
| | Power on mode select immediate | JP2 | Open |
| | boot up | | |
|---+-----------------------------------+-------+------------|
| | On board video enabled | JVGA | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board video disabled | JVGA | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 2 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 32M x 64 | None |
|------------------+--------------------+--------------------|
| 264MB | (1) 32M x 64 | (1) 1M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 272MB | (1) 32M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 288MB | (1) 32M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 320MB | (1) 32M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 384MB | (1) 32M x 64 | (1) 16M x 64 |
|------------------+--------------------+--------------------|
| 512MB | (1) 32M x 64 | (1) 32M x 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the video memory is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |66MHz| 4x | On | On | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|300MHz |66MHz| 4.5x | On | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|333MHz |66MHz| 5x | On | On | Off | Off | Off | Off |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Case connector | J3 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Power fan power | C1 | Audio in – | J4 |
| | | CD-ROM | |
|-------------------+----------+------------------+----------|
| Chassis fan power | C2 | Line out, line, | J5 |
| | | microphone in | |
|-------------------+----------+------------------+----------|
| Microphone in | C3 | CD-ROM power | J14 |
| | | connector | |
|-------------------+----------+------------------+----------|
| USB connector 1 | CN1 | 32-bit PCI slots | PC1 – |
| | | | PC2 |
|-------------------+----------+------------------+----------|
| USB connector 2 | CN2 | Chassis | SW1 |
| | | intrusion switch | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | Wake on LAN | WOL |
| interface | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN4 | Wake on modem | WOM |
| | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN5 | | |
|------------------------------------------------------------|
| Note: The ATX power connector is located on the backside |
| of the riser card. |
+------------------------------------------------------------+