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# HAUPPAUGE COMPUTER WORKS, INC.
MODEL 486M VBB MODULAR
Processor 80486DX/80486DX2 (located on an external CPU
card)
Processor 33/50/66(internal)MHz
Speed
Chip Set C & T
Max. Onboard 64MB
DRAM
Cache 64/128/256/1024KB (located on an external CPU
card)
BIOS MR
Dimensions 330mm x 218mm
I/O Options 32-bit external CPU cards (2), floppy drive
interface, IDE interface, parallel port, serial
ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| 32-bit CPU card | J1 | External battery | J21 |
| slot | | | |
|-----------------+----------+--------------------+----------|
| 32-bit CPU card | J2 | PS/2 mouse port | J23 |
| slot | | | |
|-----------------+----------+--------------------+----------|
| Reset switch | J9 | Floppy drive | J24 |
| | | interface | |
|-----------------+----------+--------------------+----------|
| Turbo switch | J11 | IDE interface | J25 |
|-----------------+----------+--------------------+----------|
| Serial port 1 | J13 | IDE interface LED | J26 |
|-----------------+----------+--------------------+----------|
| Serial port 2 | J14 | 32-Bit VESA local | S1 |
| | | bus slot | |
|-----------------+----------+--------------------+----------|
| Parallel port | J15 | 32-Bit VESA local | S2 |
| | | bus slot | |
|-----------------+----------+--------------------+----------|
| Speaker | J19 | 32-Bit VESA local | S3 |
| | | bus slot | |
|-----------------+----------+--------------------+----------|
| Power LED & | J20 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Select 0 VESA wait states | JP2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Select 1 VESA wait state | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | LB IDE enabled | JP3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | LB IDE disabled | JP3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP5 | pins 7 & 8 |
| | alter | | and 9 & 10 |
|---+----------------------------------+--------+------------|
| » | PS/2 mouse interrupt disabled | JP6 | Closed |
|---+----------------------------------+--------+------------|
| | PS/2 mouse interrupt enabled | JP6 | Open |
|---+----------------------------------+--------+------------|
| » | Peripheral disabled | JP7 | Open |
|---+----------------------------------+--------+------------|
| | Peripheral enabled | JP7 | Closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP13 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP14 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select VGA | SW1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | SW1 | pins 1 & 2 |
| | | | closed |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 1M x 36 | NONE | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 4M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 8M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | NONE | (1) 8M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 1M x 36 | (1) 4M x 36 | (1) 8M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 1M x 36 | (1) 4M x 36 | NONE | (1) 8M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 8M x 36 | NONE | (1) 8M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | NONE | (1) 8M x 36 | NONE | (1) 8M x |
| | | | | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 16M x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | NONE | (1) 16M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 16M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 16M x | NONE | (1) 16M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 16M x | (1) 4M x | (1) 16M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 16M x | (1) 16M x | (1) 16M x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 32M x | NONE | (1) 16M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | NONE | (1) 32M x | NONE | (1) 16M x |
| | | 36 | | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 32M x | NONE | (1) 32M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | NONE | (1) 32M x | NONE | (1) 32M x |
| | | 36 | | 36 |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | 2 Clock burst from CPU from | JP1 | Closed |
| | cache | | |
|----+---------------------------------+--------+------------|
| | 1 Clock burst from CPU from | JP1 | Open |
| | cache | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP2 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP7 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Cache burst mode fill select 4 | JP8 | Closed |
| | DWORD line size | | |
|----+---------------------------------+--------+------------|
| | Cache burst mode fill select 1 | JP8 | Open |
| | DWORD line size | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP10 | Open |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Cache controller IC not | JP11 | Open |
| | installed | | |
|----+---------------------------------+--------+------------|
| | Cache controller IC installed | JP11 | Closed |
|----+---------------------------------+--------+------------|
| | Non-cached cards using a TTL | JP12 | pins 2 & 3 |
| | | | closed |
|----+---------------------------------+--------+------------|
| | Non-cached cards using a | JP12 | pins 1 & 2 |
| | Tri-state LBA | | closed |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP16 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP17 | Open |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP18 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP19 | N/A |
| | alter | | |
|------------------------------------------------------------|
| Note: One clock burst operation is not valid for single |
| bank configurations using SRAMs with JP1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP9 | JP15/pins 1 & 2 | JP15/pins 3 & 4 |
|------------+-----------+-----------------+-----------------|
| 16MHz | Open | Closed | Closed |
|------------+-----------+-----------------+-----------------|
| 20MHz | Open | Open | Closed |
|------------+-----------+-----------------+-----------------|
| 25MHz | Open | Closed | Open |
|------------+-----------+-----------------+-----------------|
| 33MHz | Open | Open | Open |
|------------+-----------+-----------------+-----------------|
| 40MHz | Closed | Open | Closed |
|------------+-----------+-----------------+-----------------|
| 50iMHz | Open | Closed | Open |
|------------+-----------+-----------------+-----------------|
| 50MHz | Closed | N/A | N/A |
|------------+-----------+-----------------+-----------------|
| 66iMHz | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP13A | JP13B | JP13C |
|----------+----------------+----------------+---------------|
| 80486SX | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|----------+----------------+----------------+---------------|
| 80487SX | pins 2 & 3 | pins 2 & 3 | Closed |
| | closed | closed | |
|----------+----------------+----------------+---------------|
| 80486DX | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|----------+----------------+----------------+---------------|
| 80486DX2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 1024KB | (4) 128K x 8 | (4) 128K x 8 | (1) 128K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 | JP4 | JP5 | JP6 | JP20 |
|-------+------------+----------+----------+----------+------|
| 64KB | pins 1 & 2 | pins 1 & | pins 1 & | pins 1 & | Open |
| | | 2 | 2 | 2 | |
|-------+------------+----------+----------+----------+------|
| 128KB | pins 2 & 3 | pins 1 & | pins 1 & | pins 1 & | Open |
| | | 2 | 2 | 2 | |
|-------+------------+----------+----------+----------+------|
| 256KB | pins 2 & 3 | pins 1 & | pins 2 & | pins 1 & | Open |
| | | 2 | 3 | 2 | |
|-------+------------+----------+----------+----------+------|
| 1MB | pins 2 & 3 | pins 2 & | pins 2 & | pins 2 & | Open |
| | | 3 | 3 | 3 | |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+-----------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|-----------------------------------------------------------------|
|Size |JP14A|JP14B|JP14C|JP14D|JP14E|JP14F|JP14G|JP14H|JP14I|JP14J|
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|64KB |1 & 2|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|1 & 2|
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|Open |1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|Open |Open |1 & 2|
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|256KB|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|Open |2 & 3|1 & 2|
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
| 1MB |2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|Open |2 & 3|1 & 2|
|-----------------------------------------------------------------|
|Note:Pins designated should be in the closed postion. |
+-----------------------------------------------------------------+