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# AMERICAN MEGATRENDS, INC.
SUPER VOYAGER VLB-III ISA
Processor 80486SX/80487SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set AMI
Max. 128MB
Onboard
DRAM
Cache 64/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slots (2), floppy drive interface, green
Options PC connector, IDE interface, parallel port, PS/2 mouse
interface, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| PS/2 mouse | J1 | Speaker | J27 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface LED | J2 | Power LED & | J31 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| Green PC | J3 | Reset switch | J32 |
| connector (power) | | | |
|-------------------+----------+------------------+----------|
| Parallel port | J5 | Turbo switch | J33 |
|-------------------+----------+------------------+----------|
| Floppy drive | J8 | Password LED | J38 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface | J9 | Turbo LED | J40 |
|-------------------+----------+------------------+----------|
| External battery | J10 | Green PC | J47 |
| | | connector | |
| | | (monitor) | |
|-------------------+----------+------------------+----------|
| Serial port 1 | J13 | 32-bit VESA | SL1 & |
| | | local bus slots | SL2 |
|-------------------+----------+------------------+----------|
| Serial port 2 | J14 | | |
|------------------------------------------------------------|
| Note: The locations of J2 & J3 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | J11 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J12 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J18 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J15 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Parallel port IRQ select IRQ7 | J22 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port IRQ select IRQ5 | J22 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J26 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Serial port 2 IRQ select IRQ3 | J28 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Serial port 2 IRQ select IRQ4 | J28 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Serial port 1 IRQ select IRQ4 | J29 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Serial port 1 IRQ select IRQ3 | J29 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | On board mouse enabled | J30 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board mouse disabled | J30 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Password LED is used on front | J39 | pins 1 & 2 |
| | panel | | closed |
|---+----------------------------------+--------+------------|
| | Password LED using J38 | J39 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CPU type select PGA | J42 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CPU type select PQFP | J42 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | J48 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J48 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | BIOS type select 27256 | J51 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select 27512 | J51 | pins 2 & 3 |
| | | | closed |
|------------------------------------------------------------|
| Note: The locations of J26 & J39 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+---------------+-------------+------------+----------|
| 1MB | (1) 256K x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 256K x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 512K x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 512K x 36 | (1) 512K x | NONE | NONE |
| | | 36 | | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 5MB | (1) 256K x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 512K x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | NONE |
| | | 36 | 36 | |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 10MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 4M x | NONE |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 18MB | (1) 512K x | (1) 4M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 4M x | NONE |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 65MB | (1) 256K x | (1) 16M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 16M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 16M x | NONE |
| | | 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) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|---------+------------+------------+------------+-----------|
| 64KB | Off | Off | Off | Off |
|---------+------------+------------+------------+-----------|
| 256KB | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J19 | J37 | J43 | J54 |
|-------------------+--------------+--------+--------+-------|
| 80486SX | 1 & 2, 3 & 4 | Open | Open | N/A |
|-------------------+--------------+--------+--------+-------|
| 80487SX | 1 & 2, 3 & 4 | Open | Open | 2 & 3 |
|-------------------+--------------+--------+--------+-------|
| 80486DX/DX2 | 1 & 2, 3 & 4 | Open | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| 80486DX4 (2x) | 2 & 3 | 1 & 2 | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| 80486DX4 (2.5x) | 2 & 3 | 2 & 3 | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| 80486DX4 (3x) | 2 & 3 | Open | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| P23T | 1 & 2, 3 & 4 | Open | Open | 2 & 3 |
|-------------------+--------------+--------+--------+-------|
| P4S, P23S, P24S | 2 & 3 | Open | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| P24CT | 3 & 4 | Open | Closed | 2 & 3 |
|-------------------+--------------+--------+--------+-------|
| P24D | 3 & 4 | Open | Closed | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| Pentium Overdrive | 3 & 4 | Open | Closed | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Type | J55 | J56 | J57 |
|-----------------+--------------+--------------+------------|
| 80486SX | 2 & 3 | Open | 1 & 2, 3 & |
| | | | 4, 5 & 6 |
|-----------------+--------------+--------------+------------|
| 80487SX | 1 & 2, 3 & 4 | Open | 1 & 2, 3 & |
| | | | 4, 5 & 6 |
|-----------------+--------------+--------------+------------|
| 80486DX/DX2 | 1 & 2, 3 & 4 | Open | 1 & 2, 3 & |
| | | | 4, 5 & 6 |
|-----------------+--------------+--------------+------------|
| 80486DX4 (2x) | 1 & 2, 3 & 4 | 1 & 2, 3 & | Open |
| | | 4, 5 & 6 | |
|-----------------+--------------+--------------+------------|
| 80486DX4 (2.5x) | 1 & 2, 3 & 4 | 1 & 2, 3 & | Open |
| | | 4, 5 & 6 | |
|-----------------+--------------+--------------+------------|
| 80486DX4 (3x) | 1 & 2, 3 & 4 | 1 & 2, 3 & | Open |
| | | 4, 5 & 6 | |
|-----------------+--------------+--------------+------------|
| P23T | 1 & 2, 3 & 4 | Open | 1 & 2, 3 & |
| | | | 4, 5 & 6 |
|-----------------+--------------+--------------+------------|
| P4S, P23S, P24S | 1 & 2, 3 & 4 | Open | 1 & 2, 3 & |
| | | | 4, 5 & 6 |
|-----------------+--------------+--------------+------------|
| P24CT | 1 & 2, 3 & 4 | 1 & 2, 3 & | Open |
| | | 4, 5 & 6 | |
|-----------------+--------------+--------------+------------|
| P24D | 1 & 2, 3 & 4 | 1 & 2, 3 & | 1 & 2, 3 & |
| | | 4, 5 & 6 | 4, 5 & 6 |
|-----------------+--------------+--------------+------------|
| Pentium | 1 & 2, 3 & 4 | Open | 1 & 2, 3 & |
| Overdrive | | | 4, 5 & 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA SPEED (ID2 & ID3) CONFIGURATION |
|------------------------------------------------------------|
| Speed | J16 (ID3) | J17 (iD2) |
|------------------+--------------------+--------------------|
| 25MHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 33MHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 40MHz | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 50iMHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 50MHz | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 66iMHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 75iMHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 100iMHz | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | J41 | J44 |
|------------------+--------------------+--------------------|
| None | Open | Open |
|------------------+--------------------+--------------------|
| DRQ0 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DRQ1 | pins 3 & 4 closed | pins 3 & 4 closed |
|------------------+--------------------+--------------------|
| DRQ3 | pins 5 & 6 closed | pins 5 & 6 closed |
+------------------------------------------------------------+