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# ACHME COMPUTER, INC.
MS-4134
Processor AM486SX/80486SX/SL80486SX/CX486M7/AM486DX/80486DX/SL80486DX/
AM486DX2/80486DX2/SL80486DX2
Processor 25/33/40/50(internal)/66(internal)MHz
Speed
Chip Set ALI
Max. 128MB
Onboard
DRAM
Cache 128/256KB
BIOS Award/Phoenix
Dimensions 270mm x 220mm
I/O 32-bit VESA local bus slots (2), 32-bit PCI slots (3), green
Options PC connector
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-------------+--------------+-------------|
| External | JB | Speaker | JP10 pins 7 |
| battery | | | - 10 |
|-----------------+-------------+--------------+-------------|
| Green PC | JG1 | Turbo LED | JP10 pins |
| connector | | | 12 & 13 |
|-----------------+-------------+--------------+-------------|
| Green PC | JG2 | Turbo switch | JP10 pins |
| connector | | | 15 - 17 |
| (monitor) | | | |
|-----------------+-------------+--------------+-------------|
| Green PC LED | JG3 | Reset switch | JP10 pins |
| | | | 19 & 20 |
|-----------------+-------------+--------------+-------------|
| Chassis fan | JP9 | 32-bit PCI | PC1 - PC3 |
| power | | slots | |
|-----------------+-------------+--------------+-------------|
| Power LED & | JP10 pins 1 | 32-bit VESA | SL1 & SL2 |
| keylock | - 5 | bus slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery type select internal | JB | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JB | Closed |
|---+----------------------------------+--------+------------|
| » | PCI slot 1 SCSI controller | JP6 | pins 2 & 3 |
| | select NCR 53C810 only | | closed |
|---+----------------------------------+--------+------------|
| | PCI slot 1 SCSI controller | JP6 | pins 1 & 2 |
| | select any controller installed | | closed |
|---+----------------------------------+--------+------------|
| » | BIOS type select EPROM | JP20 | Open |
|---+----------------------------------+--------+------------|
| | BIOS type select 5v flash | JP20 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select 12v flash | JP20 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1MB | NONE | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 2MB | NONE | (1) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 2MB | (4) 256K x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 3MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 1M x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 5MB | (4) 256K x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 6MB | (4) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 8MB | NONE | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 9MB | (4) 256K x 9 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 12MB | (4) 1M x 9 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (4) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 17MB | (4) 4M x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 17MB | (4) 256K x 9 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 17MB | (4) 256K x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 18MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (4) 4M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (4) 4M x 9 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (1) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 33MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 33MB | (4) 256K x 9 | (1) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 36MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (4) 1M x 9 | (1) 8M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (4) 4M x 9 | (1) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (4) 16M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 65MB | (4) 16M x 9 | (1) 256K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 65MB | (4) 256K x 9 | (1) 8M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 66MB | (4) 16M x 9 | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 68MB | (4) 16M x 9 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 68MB | (4) 1M x 9 | (1) 8M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 72MB | (4) 16M x 9 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 80MB | (4) 16M x 9 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (4) 16M x 9 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 80MB | (4) 4M x 9 | (1) 8M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (4) 16M x 9 | (1) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 128MB | (4) 16M x 9 | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (B) | (4) 64K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JS1 | JS2 |
|------------------+--------------------+--------------------|
| 128KB | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 256KB (A) | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 256KB (B) | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JC1 | JC4 | JC6 |
|------------+------------------+---------------+------------|
| AM486SX | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|------------+------------------+---------------+------------|
| 80486SX | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|------------+------------------+---------------+------------|
| SL80486SX | pins 2 & 3 | pins 3 & 4 | pins 2 & 3 |
| | closed | closed | closed |
|------------+------------------+---------------+------------|
| CX486M7 | pins 1 & 2, 3 & | 1 & 2, 3 & 4 | pins 2 & 4 |
| | 4 closed | | closed |
|------------+------------------+---------------+------------|
| AM486DX | pins 1 & 2, 3 & | pins 2 & 3 | pins 2 & 3 |
| | 4 closed | closed | closed |
|------------+------------------+---------------+------------|
| 80486DX | pins 1 & 2, 3 & | pins 2 & 3 | pins 2 & 3 |
| | 4 closed | closed | closed |
|------------+------------------+---------------+------------|
| SL80486DX | pins 1 & 2, 3 & | pins 3 & 4 | pins 2 & 3 |
| | 4 closed | closed | closed |
|------------+------------------+---------------+------------|
| AM486DX2 | pins 1 & 2, 3 & | pins 2 & 3 | pins 2 & 3 |
| | 4 closed | closed | closed |
|------------+------------------+---------------+------------|
| 80486DX2 | pins 1 & 2, 3 & | pins 2 & 3 | pins 2 & 3 |
| | 4 closed | closed | closed |
|------------+------------------+---------------+------------|
| SL80486DX2 | pins 1 & 2, 3 & | pins 3 & 4 | pins 2 & 3 |
| | 4 closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JC7 | JC8 | JC11 | JC13 |
|------------+-----------+-----------+-----------+-----------|
| AM486SX | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| 80486SX | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| SL80486SX | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| CX486M7 | pins 2 & | pins 1 & | pins 3 & | pins 2 & |
| | 4 closed | 2 closed | 6 closed | 3 closed |
|------------+-----------+-----------+-----------+-----------|
| AM486DX | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| AM486DX2 | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX2 | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX2 | pins 2 & | pins 2 & | Open | pins 1 & |
| | 3 closed | 3 closed | | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JK1 | JK2 |
|--------+--------------------+------------------------------|
| 25MHz | pins 1 & 4, 2 & 5 | pins 1 & 4, 2 & 5, 3 & 6 |
| | closed | closed |
|--------+--------------------+------------------------------|
| 33MHz | pins 1 & 4, 3 & 6 | pins 1 & 4, 2 & 5, 3 & 6 |
| | closed | closed |
|--------+--------------------+------------------------------|
| 40MHz | pins 2 & 5 closed | pins 4 & 7, 5 & 8, 6 & 9 |
| | | closed |
|--------+--------------------+------------------------------|
| 50iMHz | pins 1 & 4, 2 & 5 | pins 1 & 4, 2 & 5, 3 & 6 |
| | closed | closed |
|--------+--------------------+------------------------------|
| 66iMHz | pins 1 & 4, 3 & 6 | pins 1 & 4, 2 & 5, 3 & 6 |
| | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JV1 | JV2 | JV3 |
|-----------+----------------+---------------+---------------|
| <= 33MHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| > 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI SLOT 2 CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP4 | JP12 |
|-------------------------------+--------+-------------------|
| Falling edge sensitive | Closed | pins 2 & 3 closed |
| interrupt | | |
|-------------------------------+--------+-------------------|
| Rising edge sensitive | Closed | pins 1 & 2 closed |
| interrupt | | |
|-------------------------------+--------+-------------------|
| Low active level trigger | Closed | Open |
| interrupt (IRQ14) | | |
|-------------------------------+--------+-------------------|
| Low active level trigger | Closed | pins 2 & 3 closed |
| interrupt | | |
|-------------------------------+--------+-------------------|
| No card installed | Closed | Open |
+------------------------------------------------------------+