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# AMERICAN MEGATRENDS, INC.
SERIES 50 SUPER VOYAGER
Processor 80486SX/80486DX/ODP486SX/80486DX2
Processor Speed 20/25/33/50/50(internal)/66(internal)MHz
Chip Set AMI
Max. Onboard 32MB
DRAM
Cache 64/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE
interface,parallel port, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J1 | Serial port 1 | P1 |
|------------------+----------+-------------------+----------|
| Speaker | J15 | Serial port 2 | P4 |
|------------------+----------+-------------------+----------|
| Turbo LED | J16 | Parallel port | P5 |
|------------------+----------+-------------------+----------|
| Power LED & | J18 | Floppy drive | P6 |
| keylock | | interface | |
|------------------+----------+-------------------+----------|
| Turbo switch | J21 | IDE interface | P7 |
|------------------+----------+-------------------+----------|
| Reset switch | J22 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|------------------------------+---------------+-------------|
| » | CPU select type 80486DX | J12 | 1 & 2,3 & 4 |
| | or 80486DX2 | | closed |
|---+--------------------------+---------------+-------------|
| | CPU select type 80486SX | J12 | pins 2 & 3 |
| | | | closed |
|---+--------------------------+---------------+-------------|
| » | Serial port 1 interrupt | J13 | pins 1 & 2 |
| | select IRQ3 | | closed |
|---+--------------------------+---------------+-------------|
| | Serial port 1 interrupt | J13 | pins 2 & 3 |
| | select IRQ4 | | closed |
|---+--------------------------+---------------+-------------|
| » | Serial port 2 interrupt | J14 | pins 2 & 3 |
| | select IRQ3 | | closed |
|---+--------------------------+---------------+-------------|
| | Serial port 2 interrupt | J14 | pins 1 & 2 |
| | select IRQ4 | | closed |
|---+--------------------------+---------------+-------------|
| » | Power good signal detect | J23 | pins 2 & 3 |
| | from power supply | | closed |
|---+--------------------------+---------------+-------------|
| | Power good signal detect | J23 | pins 1 & 2 |
| | from board | | closed |
|---+--------------------------+---------------+-------------|
| » | Parallel port select | J24 | pins 2 & 3 |
| | interrupt IRQ7 | | closed |
|---+--------------------------+---------------+-------------|
| | Parallel port select | J24 | pins 1 & 2 |
| | interrupt IRQ5 | | closed |
|---+--------------------------+---------------+-------------|
| » | CMOS memory normal | J33 | pins 1 & 2 |
| | operation | | closed |
|---+--------------------------+---------------+-------------|
| | CMOS memory clear | J33 | pins 2 & 3 |
| | | | closed |
|---+--------------------------+---------------+-------------|
| » | Monitor type select | SW2/1 | Off |
| | monochrome | | |
|---+--------------------------+---------------+-------------|
| | Monitor type select | SW2/1 | On |
| | color | | |
|---+--------------------------+---------------+-------------|
| » | Manufacturing | SW2/2 | Off |
| | diagnostics | | |
|------------------------------------------------------------|
| Note:SW2/switch 2 is factory configured - do not alter |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 64KB | (8) 8K x 8 | (3) 16K x 4 |
|------------------+--------------------+--------------------|
| 256KB | (8) 32 K x 8 | (3) 16K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|------------+-----------+-----------+-----------+-----------|
| 64KB | Off | Off | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 256KB | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Size | J17 |
|----------------------------+-------------------------------|
| 20MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 25MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 33MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 50iMHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 50MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 66iMHz | pins 1 & 2 closed |
+------------------------------------------------------------+