(TXT) View Source
# VISION TECHNOLOGIES
VAES3486
Processor 80386DX/CX486DLC/CX486S/CX487S/80486SX(PQFP)/
80486SX/80486DX/80486DX2/Pentium Overdrive
Processor 16/20/25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set OPTI
Max. Onboard 64MB
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2), floppy drive
interface, IDE interface, green PC connector,
parallel port, serial ports (2)
NPU Options CX387
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Serial port 1 | CN1 | Power supply/sleep | JP2 |
| | | mode | |
|----------------+----------+---------------------+----------|
| Serial port 2 | CN2 | Speaker | JP28 |
|----------------+----------+---------------------+----------|
| Floppy drive | CN3 | Green PC connector | JP30 |
| interface | | | |
|----------------+----------+---------------------+----------|
| IDE interface | CN4 | Turbo switch | JP33 |
|----------------+----------+---------------------+----------|
| Parallel port | CN5 | Turbo LED | JP38 |
|----------------+----------+---------------------+----------|
| External | J10 | Reset switch | S1 |
| battery | | | |
|----------------+----------+---------------------+----------|
| IDE interface | J17 | 32-bit VESA local | SL1 & |
| LED | | bus slots | SL2 |
|----------------+----------+---------------------+----------|
| Power LED & | J22 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | J9 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Pentium Overdrive enabled | JP1 | Open |
|---+----------------------------------+--------+------------|
| | Pentium Overdrive disabled | JP1 | Closed |
|---+----------------------------------+--------+------------|
| » | VESA supports bus mastering | JP4 | Closed |
|---+----------------------------------+--------+------------|
| | VESA does not support bus | JP4 | Open |
| | mastering | | |
|---+----------------------------------+--------+------------|
| » | On board PS/2 style mouse | JP14 | Closed |
| | enabled | | |
|---+----------------------------------+--------+------------|
| | On board PS/2 style mouse | JP14 | Open |
| | disabled | | |
|---+----------------------------------+--------+------------|
| » | Power down mode enabled | JP15 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Power down mode disabled | JP15 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Keyboard password clear | JP16 | Closed |
|---+----------------------------------+--------+------------|
| | Keyboard password enabled | JP16 | Open |
|---+----------------------------------+--------+------------|
| » | NPU disabled | JP24 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU enabled | JP24 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP29 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP29 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Green PC power down mode enabled | JP30 | Open |
|---+----------------------------------+--------+------------|
| | Green PC power down mode | JP30 | Closed |
| | disabled | | |
|---+----------------------------------+--------+------------|
| » | Turbo disabled | JP33 | Closed |
|---+----------------------------------+--------+------------|
| | Turbo enabled | JP33 | Open |
|---+----------------------------------+--------+------------|
| » | VESA card type select standard | JP34 | pins 2 & 3 |
| | VESA VGA | | closed |
|---+----------------------------------+--------+------------|
| | VESA card type select Tekram | JP34 | pins 1 & 2 |
| | VESA/Cache IDE | | closed |
|------------------------------------------------------------|
| Note: The location of JP16 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (1) 256K x 36 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (1) 256K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 32MB | (1) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 64MB | (1) 16M x 36 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Type | JP42 |
|-------------------------------+----------------------------|
| Only Bank 0 used | pins 1 & 2 closed |
|-------------------------------+----------------------------|
| Bank 0 & Bank 1 used | pins 2 & 3 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 | JP18 | JP19 | JP20 |
|-------+-----------------+--------+--------+----------------|
| 64KB | pins 2 & 3 | Closed | Closed | pins 2 & 3 |
| | closed | | | closed |
|-------+-----------------+--------+--------+----------------|
| 128KB | pins 1 & 2 | Open | Closed | pins 1 & 2 |
| | closed | | | closed |
|-------+-----------------+--------+--------+----------------|
| 256KB | pins 2 & 3 | Closed | Closed | pins 2 & 3 |
| | closed | | | closed |
+------------------------------------------------------------+
+-----------------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|-----------------------------------------------------------------------|
| Type |JP17|JP21| JP23 |JP25| JP26 | JP27 | JP31 | JP32 |JP36|
|----------------+----+----+------+----+------+------+------+------+----|
| 80386DX(PGA) |Open|2 & | Open |1 & | Open | Open |Closed| Open |Open|
| | | 3 | | 2 | | | | | |
|----------------+----+----+------+----+------+------+------+------+----|
| CX486DLC |Open|2 & | Open |1 & | Open | Open |Closed| Open |Open|
| | | 3 | | 2 | | | | | |
|----------------+----+----+------+----+------+------+------+------+----|
| 80386DX(PQFP) |Open|2 & | Open |1 & | Open | Open | Open | Open |Open|
| | | 3 | | 2 | | | | | |
|----------------+----+----+------+----+------+------+------+------+----|
| CX486S |1 & |2 & |Closed|2 & | Open | Open |Closed|Closed|1 & |
| | 2 | 3 | | 3 | | | | | 2 |
|----------------+----+----+------+----+------+------+------+------+----|
| Cx487S |1 & |2 & |Closed|2 & |Closed| Open |Closed|Closed|1 & |
| | 2 | 3 | | 3 | | | | | 2 |
|----------------+----+----+------+----+------+------+------+------+----|
| 80486SX(PQFP) |2 & |2 & | Open |1 & | Open | Open | Open | Open |Open|
| | 3 | 3 | | 2 | | | | | |
|----------------+----+----+------+----+------+------+------+------+----|
| 80486SX(PGA) |1 & |2 & | Open |1 & | Open | Open |Closed|Closed|2 & |
| | 2 | 3 | | 2 | | | | | 3 |
|----------------+----+----+------+----+------+------+------+------+----|
| 80486DX |1 & |2 & | Open |1 & | Open | Open |Closed|Closed|1 & |
| | 2 | 3 | | 2 | | | | | 2 |
|----------------+----+----+------+----+------+------+------+------+----|
|80486DX-50(only)|1 & |2 & | Open |2 & | Open | Open |Closed|Closed|1 & |
| | 2 | 3 | | 3 | | | | | 2 |
|----------------+----+----+------+----+------+------+------+------+----|
| 80486DX2 |1 & |2 & | Open |1 & | Open | Open |Closed|Closed|1 & |
| | 2 | 3 | | 2 | | | | | 2 |
|----------------+----+----+------+----+------+------+------+------+----|
| P24T (WB) |1 & |1 & |Closed|2 & | Open | Open |Closed|Closed|1 & |
| | 2 | 2 | | 3 | | | | | 2 |
|----------------+----+----+------+----+------+------+------+------+----|
| P24T (WT) |1 & |1 & |Closed|2 & | Open |Closed|Closed|Closed|1 & |
| | 2 | 2 | | 3 | | | | | 2 |
|-----------------------------------------------------------------------|
|Note: Pins designated should be in the closed position (The location of|
|JP25 and JP26 is unidentified). |
+-----------------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP5 | JP22 | JP35 |
|-------------------+--------+---------------+---------------|
| 80386/CX486DLC | Open | pins 2 & 3 | pins 1 & 2 |
| | | closed | closed |
|-------------------+--------+---------------+---------------|
| 80486/P24T/CX486S | Closed | pins 1 & 2 | pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP39 | JP40 | JP41 |
|---------------+--------------+--------------+--------------|
| 16MHz | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 20MHz | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 25MHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 33MHz | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 40MHz | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 50iMHz | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 50MHz | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 66iMHz | Closed | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------------+
| DMA CHANNEL INTERRUPT CONFIGURATION |
|------------------------------------------------------------------|
|DRQ |DACK | JP6 | JP7 | JP8 | JP9 | JP10 | JP11 | JP12 | JP13 |
|----+-----+------+------+------+------+------+------+------+------|
|DRQ3|DACK3|Closed| Open | Open | Open |Closed| Open | Open | Open |
|----+-----+------+------+------+------+------+------+------+------|
|DRQ5|DACK5| Open |Closed| Open | Open | Open |Closed| Open | Open |
|----+-----+------+------+------+------+------+------+------+------|
|DRQ6|DACK6| Open | Open |Closed| Open | Open | Open |Closed| Open |
|----+-----+------+------+------+------+------+------+------+------|
|DRQ7|DACK7| Open | Open | Open |Closed| Open | Open | Open |Closed|
+------------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP37 |
|-------------------------------+----------------------------|
| 0 wait states | Open |
|-------------------------------+----------------------------|
| 1 wait state | Closed |
+------------------------------------------------------------+