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# ACHME COMPUTER, INC.
MS-5148
Processor CX M1/CX M2/AM K5/AM K6/Pentium
Processor Speed 90/100/120/133/150/166/180/200/225/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 300mm x 186mm
I/O Options 32-bit PCI slots (4), 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
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+------------------+-----------|
| ATX power | ATX | IR connector | IR1 |
| connector | | | |
|------------------+----------+------------------+-----------|
| Parallel port | CN1 | Power LED & | JFP/pins |
| | | keylock | 1 - 5 |
|------------------+----------+------------------+-----------|
| Serial port 1 | CN2 | Speaker | JFP/pins |
| | | | 7 - 10 |
|------------------+----------+------------------+-----------|
| Serial port 2 | CN3 | Turbo LED | JFP/pins |
| | | | 12 & 13 |
|------------------+----------+------------------+-----------|
| USB connector | CN4 | Reset switch | JFP/pins |
| | | | 19 & 20 |
|------------------+----------+------------------+-----------|
| USB connector | CN5 | IDE interface | JFP/pins |
| | | LED | 21 & 22 |
|------------------+----------+------------------+-----------|
| PS/2 mouse port | CN6 | Green PC LED | JGL |
|------------------+----------+------------------+-----------|
| Floppy drive | CN7 | Green PC | JGS |
| interface | | connector | |
|------------------+----------+------------------+-----------|
| IDE interface 1 | CN8 | Soft off power | JRMS1 |
| | | supply | |
|------------------+----------+------------------+-----------|
| IDE interface 2 | CN9 | Soft off power | JRMS2 |
| | | supply | |
|------------------+----------+------------------+-----------|
| Chassis fan | FAN | 32-bit PCI slots | PC1 - PC4 |
| power | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | JBAT | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JBAT | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS voltage select 5v | JP2 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | JP2 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 1M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 24MB | None | (2) 2M x 36 | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 4M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 2M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | None | None | None | (1) 8M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 64MB | (2) 4M x 36 | None | None | (1) 4M x |
| | | | | 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 64MB | None | None | (1) 4M x | (1) 4M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 36 | (2) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 36 | None | None | (1) 1M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | None | (2) 2M x | (1) 8M x | None |
| | | 36 | 64 | |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 36 | None | None | (1) 2M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 36 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | None | None | (1) 8M x | (1) 8M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 36 | (2) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 16M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | None | None | None | (1) 16M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 16M x | (2) 1M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 16M x | None | None | (1) 1M x |
| | 36 | | | 64 |
|-------+-------------+------------+------------+------------|
| 144MB | (2) 16M x | (2) 2M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 160MB | (2) 16M x | (2) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 16M x | (2) 8M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 16M x | None | None | (1) 8M x |
| | 36 | | | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 16M x | (2) 16M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 32M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 256MB | None | None | (1) 16M x | (1) 16M x |
| | | | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | None | None | (1) 32M x | None |
| | | | 64 | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JV1 |
|----------------------------+-------------------------------|
| 3.3v | Pins 7 & 8, 9 & 10 closed |
|----------------------------+-------------------------------|
| 5v | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the 256KB/512KB cache is |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX M1) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |55MHz| 2x | On | Off | Off | On | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX M2) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|180MHz |60MHz| 3x | Off | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|225MHz |75MHz| 3x | Off | On | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JV3 | JV4 | JV5 | JV6 |
|------------+------------+------------+----------+----------|
| 3.38v | Open | Closed | Open | Open |
|------------+------------+------------+----------+----------|
| 3.52v | Closed | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JV3 | JV4 | JV5 | JV6 |
|----------+----------+----------+-------+---------+---------|
| 3.3v | 2.8v | Closed | Open | Open | Open |
|----------+----------+----------+-------+---------+---------|
| 3.3v | 2.9v | Open | Open | Open | Closed |
|----------+----------+----------+-------+---------+---------|
| 3.3v | 3.2v | Open | Open | Closed | Open |
+------------------------------------------------------------+