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# ACHME COMPUTER, INC.
MS-5143 (VER. 2)
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 305mm x 235mm
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 connector, ATX power
connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+-----------+----------------+-----------|
| ATX power | ATX | Speaker | JFP/pins |
| connector | | | 7 - 10 |
|-------------------+-----------+----------------+-----------|
| Serial port 2 | CN1 | Turbo LED | JFP/pins |
| | | | 12 & 13 |
|-------------------+-----------+----------------+-----------|
| Parallel port | CN2 | Reset switch | JFP/pins |
| | | | 19 & 20 |
|-------------------+-----------+----------------+-----------|
| PS/2 mouse port | CN3 | IDE interface | JFP/pins |
| | | LED | 21 & 22 |
|-------------------+-----------+----------------+-----------|
| Serial port 1 | CN4 | Chassis fan | JFAN |
| | | power | |
|-------------------+-----------+----------------+-----------|
| IDE interface 1 | CN5 | Green PC LED | JGL |
|-------------------+-----------+----------------+-----------|
| IDE interface 2 | CN6 | Green PC | JGS |
| | | connector | |
|-------------------+-----------+----------------+-----------|
| Floppy drive | CN7 | Soft off power | JRMS |
| interface | | supply | |
|-------------------+-----------+----------------+-----------|
| Auxiliary | J1 | Speaker | JSPK |
| keyboard mouse | | | |
|-------------------+-----------+----------------+-----------|
| IR connector | IR1 | 32-bit PCI | PC1 - PC4 |
| | | slots | |
|-------------------+-----------+----------------+-----------|
| Power LED & | JFP/pins | USB connector | USB |
| keylock | 1 - 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | C1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP1 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JRTC | Unidentified |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | (1) 1M x | None |
| | | | 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 | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (2) 4M x 36 | None | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 48MB | (2) 2M x 36 | None | (1) 4M x | None |
| | | | 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 | (1) 4M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 64MB | None | None | (1) 4M x | (1) 4M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|----------+-------------+-----------+-----------+-----------|
| 72MB | (2) 8M x 36 | None | (1) 1M x | None |
| | | | 64 | |
|----------+-------------+-----------+-----------+-----------|
| 80MB | None | (2) 2M x | (1) 8M x | None |
| | | 36 | 64 | |
|----------+-------------+-----------+-----------+-----------|
| 80MB | (2) 8M x 36 | (2) 2M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 80MB | (2) 8M x 36 | None | (1) 2M x | None |
| | | | 64 | |
|----------+-------------+-----------+-----------+-----------|
| 96MB | (2) 8M x 36 | (2) 4M x | None | None |
| | | 36 | | |
|----------+-------------+-----------+-----------+-----------|
| 96MB | (2) 8M x 36 | None | (1) 4M x | None |
| | | | 64 | |
|----------+-------------+-----------+-----------+-----------|
| 96MB | None | (2) 8M x | (1) 4M x | None |
| | | 36 | 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) 8M x 36 | None | (1) 8M x | None |
| | | | 64 | |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks 0 & 1 and 2 & 3 are |
| interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP2 |
|----------------------------+-------------------------------|
| 3.3v | Pins 1 & 3, 2 & 4 closed |
|----------------------------+-------------------------------|
| 5v | Pins 3 & 5, 4 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: Board accepts 256KB/512Kb cache. The size of the |
| chips and location are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 75MHz |50MHz| 1.5x | Off | Off | On | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |50MHz| 2x | On | Off | On | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |55MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2x | On | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | 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| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 75MHz |50MHz| 1.5x | Off | Off | On | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | On | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JV1 | JV2 | JV3 | JV4 | JV5 | JV6 |
|---------+-----------+--------+--------+------+------+------|
| 3.38v | 3 & 5, 4 | Closed | Open | Open | Open | Open |
| | & 6 | | | | | |
|---------+-----------+--------+--------+------+------+------|
| 3.52v | 3 & 5, 4 | Open | Closed | Open | Open | Open |
| | & 6 | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
|Voltage |V core | JV1 |JV2 |JV3 | JV4 | JV5 | JV6 |
|--------+-------+------------+----+----+------+------+------|
| 3.3v | 2.5v |1 & 3, 2 & 4|Open|Open|Closed| Open | Open |
|--------+-------+------------+----+----+------+------+------|
| 3.3v | 2.8v |1 & 3, 2 & 4|Open|Open| Open |Closed| Open |
|--------+-------+------------+----+----+------+------+------|
| 3.3v | 2.9v |1 & 3, 2 & 4|Open|Open| Open | Open |Closed|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+