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# ACHME COMPUTER, INC.
MS-5116
Processor CX M1/Pentium
Processor 75/80/90/100/120/133MHz
Speed
Chip Set SIS
Max. Onboard 512MB
DRAM
Cache 256/512/1024KB
BIOS AMI
Dimensions 260mm x 220mm
I/O Options Floppy drive interface, green PC connector, IDE
interfaces (2), parallel port, PS/2 mouse port,
serial ports (2), VGA feature connector, VGA
port, riser slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+---------------+------------|
| VGA port | CN1 | Chassis fan | JFAN |
| | | power | |
|--------------------+----------+---------------+------------|
| Parallel port | CN2 | Power LED & | JFP pins 1 |
| | | keylock | - 5 |
|--------------------+----------+---------------+------------|
| Serial port 2 | CN3 | Speaker | JFP pins 6 |
| | | | - 10 |
|--------------------+----------+---------------+------------|
| Serial port 1 | CN4 | Turbo LED | JFP pins |
| | | | 12 & 13 |
|--------------------+----------+---------------+------------|
| PS/2 mouse port | CN5 | Turbo switch | JFP pins |
| | | | 15 - 17 |
|--------------------+----------+---------------+------------|
| Floppy drive | CN6 | Reset switch | JFP pins |
| interface | | | 19 & 20 |
|--------------------+----------+---------------+------------|
| IDE interface 2 | CN7 | IDE interface | JFP pins |
| | | LED | 21 & 22 |
|--------------------+----------+---------------+------------|
| IDE interface 1 | CN8 | Green PC | JG1 |
| | | connector | |
|--------------------+----------+---------------+------------|
| VGA feature | CN9 | Riser slot | SL1 |
| connector | | | |
|--------------------+----------+---------------+------------|
| External battery | JB1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------+----------+-------------------|
| | On board VGA enabled | JVG1 | pins 1 & 2 closed |
|---+-------------------------+----------+-------------------|
| | On board VGA disabled | JVG1 | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 4MB | NONE | NONE | (1) 1M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 8MB | NONE | NONE | (1) 2M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 8MB | NONE | NONE | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 16MB | NONE | NONE | (1) 4M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 16MB | NONE | NONE | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 32MB | NONE | NONE | (1) 8M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | NONE | NONE | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 64MB | NONE | NONE | (1) 16M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | NONE | NONE | (1) 8M x | (1) 8M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 36 | (1) 8M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 8M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 32M x | NONE | NONE | NONE |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | NONE | NONE | (1) 32M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | NONE | NONE | (1) 16M x | (1) 16M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 136MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 136MB | (1) 16M x | (1) 16M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 16M x | (1) 16M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 2M x 36 | (1) 2M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 4M x 36 | (1) 4M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 16M x | (1) 16M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 16M x | (1) 16M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 8M x 36 | (1) 8M x | (1) 16M x | (1) 16M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 32M x | (1) 32M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 256MB | NONE | NONE | (1) 32M x | (1) 32M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 264MB | (1) 1M x 36 | (1) 1M x | (1) 32M x | (1) 32M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 264MB | (1) 32M x | (1) 32M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 272MB | (1) 2M x 36 | (1) 2M x | (1) 32M x | (1) 32M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 272MB | (1) 32M x | (1) 32M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 288MB | (1) 4M x 36 | (1) 4M x | (1) 32M x | (1) 32M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 288MB | (1) 32M x | (1) 32M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 320MB | (1) 8M x 36 | (1) 8M x | (1) 32M x | (1) 32M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 320MB | (1) 32M x | (1) 32M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 384MB | (1) 16M x | (1) 16M x | (1) 32M x | (1) 32M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 384MB | (1) 32M x | (1) 32M x | (1) 16M x | (1) 16M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 512MB | (1) 32M x | (1) 32M x | (1) 32M x | (1) 32M x |
| | 36 | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: This board will accept EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-----------+--------------+--------------+------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 8K or (1) |
| | | | 16K x 8 |
|-----------+--------------+--------------+------------------|
| 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | (1) 16K x 8 |
|-----------+--------------+--------------+------------------|
| 512KB (B) | (4) 64K x 8 | (4) 64K x 8 | (1) 16K x 8 |
|-----------+--------------+--------------+------------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JS1 | JS2 |
|-------------+-------------------------+--------------------|
| 256KB | pins 2 & 3 closed | pins 1 & 2 closed |
|-------------+-------------------------+--------------------|
| 512KB (A) | pins 3 & 4 closed | pins 3 & 4 closed |
|-------------+-------------------------+--------------------|
| 512KB (B) | pins 2 & 3 closed | pins 2 & 3 closed |
|-------------+-------------------------+--------------------|
| 1MB | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: 512KB (A) uses 128AK TAG chip and 512KB (B) uses |
| 129AK TAG chip. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|---------+--------+--------+--------+-------+-------+-------|
| 75MHz | Off | Off | Off | Off | Off | On |
|---------+--------+--------+--------+-------+-------+-------|
| 80MHz* | Off | Off | Off | Off | On | Off |
|---------+--------+--------+--------+-------+-------+-------|
| 90MHz | Off | Off | Off | On | Off | On |
|---------+--------+--------+--------+-------+-------+-------|
| 100MHz | Off | Off | Off | On | On | On |
|---------+--------+--------+--------+-------+-------+-------|
| 120MHz | Off | On | Off | On | Off | On |
|---------+--------+--------+--------+-------+-------+-------|
| 120MHz* | On | Off | Off | Off | On | Off |
|---------+--------+--------+--------+-------+-------+-------|
| 133MHz | Off | On | Off | On | On | On |
|------------------------------------------------------------|
| Note: Speeds marked with an * are reserved for future CX |
| M1 CPUs. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JV2 |
|-------------------------------+----------------------------|
| 3.38v | Closed |
|-------------------------------+----------------------------|
| 3.52v | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|--------------+----------------------+----------------------|
| 1MB | (8) 256K x 4 | NONE |
|--------------+----------------------+----------------------|
| 1MB | (2) 256K x 16 | NONE |
| | (U33,U34) | |
|--------------+----------------------+----------------------|
| 2MB | (8) 256K x 4 | (2) 256K x 16 |
|------------------------------------------------------------|
| Note: U33 & U34 are not shown on this board. If they are |
| present they will be located where Bank 0 is positioned. |
+------------------------------------------------------------+