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# MICRO-STAR INTERNATIONAL CO., LTD.
MS-6127
Device Type Mainboard
Processor Pentium II/Celeron
Processor Speed 200/233/266/300/333MHz
Chip Set Intel 440EX
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Cache 0/128/256/512KB (located on the CPU)
BIOS AMI, Award
Dimensions 270mm x 220mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), IR connector, USB connectors (2), ATX
power connector, AGP slot, SB-link connector,
wake on modem connector, wake on LAN
connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-----------------+------------|
| AGP slot | AGP | Power LED & | JFP1/pins |
| | | keylock | 1 – 5 |
|------------------+----------+-----------------+------------|
| ATX power | ATX | Speaker | JFP1/pins |
| connector | | | 7 - 10 |
|------------------+----------+-----------------+------------|
| Chassis fan | C1 | IDE interface | JFP1/pins |
| power | | LED | 12 & 24 |
|------------------+----------+-----------------+------------|
| CPU fan power | C2 | Turbo LED | JFP1/pins |
| | | | 14 & 15 |
|------------------+----------+-----------------+------------|
| Power fan | C3 | Reset switch | JFP1/pins |
| | | | 21 & 22 |
|------------------+----------+-----------------+------------|
| CPU fan power | C4 | Green PC | JGS1 |
| | | connector | |
|------------------+----------+-----------------+------------|
| Serial port 2 | CN1 | Green PC LED | JGL1 |
|------------------+----------+-----------------+------------|
| Serial port 1 | CN2 | Wake on modem | JMDM |
| | | connector | |
|------------------+----------+-----------------+------------|
| Parallel port | CN3 | PS/2 mouse | JMS1 |
| | | interface | |
|------------------+----------+-----------------+------------|
| Floppy drive | CN4 | Soft off power | JSW1 |
| interface | | supply | |
|------------------+----------+-----------------+------------|
| IDE interface 1 | CN5 | Soft off power | JSW2 |
| | | supply | |
|------------------+----------+-----------------+------------|
| IDE interface 2 | CN6 | 32-bit PCI | PC1 – PC3 |
| | | slots | |
|------------------+----------+-----------------+------------|
| SB-link | J7 | USB connector | USB |
| connector | | | |
|------------------+----------+-----------------+------------|
| IR connector | IR1 | Wake on LAN | WOL |
| | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J4 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J6 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | Power on mode select boot up by | J12 | Closed |
| | switch | | |
|---+---------------------------------+-------+--------------|
| | Power on mode select immediate | J12 | Open |
| | boot up | | |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JBAT | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JBAT | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS voltage select 12v | JMOD | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 5v | JMOD | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 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 |
|------------------------------------------------------------|
| Note: Board accepts EDO & SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II |
| CPU. 128KB cache is located on the Celeron 300A & 333 |
| 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 |
+------------------------------------------------------------+