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# AMERICAN MEGATRENDS, INC.
VOYAGER II
Processor 80486DX
Processor Speed 25/33MHz
Chip Set AMI
Max. Onboard 32MB
DRAM
Cache 128KB
BIOS AMI
Dimensions 355.6mm x 305.2mm
I/O Options 32-bit external memory card slot, proprietary
AMI bus connector
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| 52 pin AMI | J1 | Turbo switch | J10 |
| proprietary | | | |
| connector | | | |
|--------------------+----------+-----------------+----------|
| External battery | J2 | Reset switch | J11 |
|--------------------+----------+-----------------+----------|
| 46 pin AMI | J5 | 32-bit external | J13 |
| proprietary | | memory card | |
| connector | | | |
|--------------------+----------+-----------------+----------|
| Power LED & | J8 | Turbo LED | J15 |
| keylock | | | |
|--------------------+----------+-----------------+----------|
| Speaker | J9 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS ||
|-----------------------------------------------------------||
| Function | Jumper/Switch | Position ||
|------------------------------+---------------+------------||
| » | Power good signal detect | J3 | pins 1 & 2 ||
| | from board | | closed ||
|---+--------------------------+---------------+------------||
| | Power good signal detect | J3 | pins 2 & 3 ||
| | from power supply | | closed ||
|---+--------------------------+---------------+------------||
| » | Interrupt select normal | J14 | pins 2 & 3 ||
| | path | | closed ||
|---+--------------------------+---------------+------------||
| | Interrupt select latched | J14 | pins 1 & 2 ||
| | for 80486 correction | | closed ||
|---+--------------------------+---------------+------------||
| » | I/O bus speed (sysclock) | J17 | 1 & 2, 3 & ||
| | select iOsc/2 | | 4 closed ||
|---+--------------------------+---------------+------------||
| | I/O bus speed (sysclock) | J17 | Open ||
| | select iOsc/3 | | ||
|---+--------------------------+---------------+------------||
| | I/O bus speed (sysclock) | J17 | pins 3 & 4 ||
| | select iOsc/4 | | closed ||
|---+--------------------------+---------------+------------||
| » | Factory configured - do | SW1/1 | Off ||
| | not alter | | ||
|---+--------------------------+---------------+------------||
| » | Monitor type select | SW1/2 | Off ||
| | monochrome | | ||
|---+--------------------------+---------------+------------||
| | Monitor type select | SW1/2 | On ||
| | color | | ||
|---+--------------------------------------------------------|
| | Note : Cache is factory installed and is not |
| | configurable. The size and location of cache and tag |
| | are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 1 | Bank 2 |
|------------------+--------------------+--------------------|
| 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 |
+------------------------------------------------------------+