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# AMERICAN MEGATRENDS, INC.
JE 3025A/33A
Processor 80386SX
Processor Speed 25/33MHz
Chip Set Unknown
Max. Onboard DRAM 32MB
SRAM Cache 64KB (Factory configured)
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot, CPU
expansion card slot
NPU Options 80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J1 | Turbo switch | J8 |
|------------------+----------+-------------------+----------|
| Turbo LED | J5 | Reset switch | J14 |
|------------------+----------+-------------------+----------|
| Speaker | J6 | 32-bit external | S1 |
| | | memory card | |
|------------------+----------+-------------------+----------|
| Power LED & | J7 | CPU expansion | S2 |
| keylock | | card | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| | DRAM address sequence | J3 | pins 1 & |
| | select bank 0, then bank 1 | | 2 closed |
| | | | |
| | | | pins 3 & |
| | | | 4 closed |
|---+-----------------------------+---------------+----------|
| | DRAM address sequence | J3 | pins 2 & |
| | select bank 1, then bank 0 | | 3 closed |
| | | | |
| | | | pins 4 & |
| | | | 5 closed |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | SW1/switch 1 | open |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Monitor type select color | SW1/switch 2 | closed |
|---+-----------------------------+---------------+----------|
| | Monitor type select | SW1/switch 2 | open |
| | monochrome | | |
|---+--------------------------------------------------------|
| | Note: The cache memory is factory installed, and is |
| | not alterable. |
| | |
| | The size and location of the Cache and TAG chips are |
| | unknown. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+