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# VISIONEX
PCI/VESA MOTHERBOARD (VER. 1.0)
Processor CX486M6/80486SX/80486DX/80486DX2/80486DX4/P24C
Processor 25/33/40/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Cypress
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512/1024KB
BIOS AMI/Award
Dimensions 254mm x 218mm
I/O 32-bit VESA local bus slots (2), 32-bit PCI slots
Options (4)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | JP1 | Reset switch | JP59 |
|-------------------+----------+------------------+----------|
| Turbo LED | JP49 | Speaker | JP60 |
|-------------------+----------+------------------+----------|
| Turbo switch | JP50 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Power LED & | JP57 | 32-bit VESA | SL1 & |
| keylock | | local bus slots | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS disabled | JP3 | Open |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 12v | JP3 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS voltage select 5v | JP3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Jumper information unavailable | JP9 | Unidentified |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP10 | Open |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP32 | Pins 2 & 3 |
| | alter | | closed |
|---+---------------------------------+-------+--------------|
| | Jumper information unavailable | JP34 | Unidentified |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP35 | Pins 2 & 3 |
| | alter | | closed |
|---+---------------------------------+-------+--------------|
| » | LDEV# delayed 1 CPU CLK | JP36 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | LDEV# not delayed 1 CPU CLK | JP36 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Jumper information unavailable | JP42 | Unidentified |
|---+---------------------------------+-------+--------------|
| | Jumper information unavailable | JP51 | Unidentified |
|---+---------------------------------+-------+--------------|
| » | Monitor type select color | JP55 | Open |
|---+---------------------------------+-------+--------------|
| | Monitor type select monochrome | JP55 | Closed |
|---+---------------------------------+-------+--------------|
| | Jumper information unavailable | JP58 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | None | None | None |
| | 32 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 512K x | None | None | None |
| | 32 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 32 | 32 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | None |
| | 32 | 32 | 32 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 32 | None | None | None |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 32 | 32 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 32 | 32 | 32 | 32 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 32 | None | None |
| | 32 | | | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 32 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 32 | (1) 1M x 32 | None | None |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 1M x 32 | (1) 1M x | None |
| | 32 | | 32 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 512K x | (1) 2M x 32 | None | None |
| | 32 | | | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 32 | (1) 1M x 32 | (1) 1M x | None |
| | | | 32 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 32 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 32 | (1) 2M x 32 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 32 | (1) 1M x 32 | (1) 1M x | (1) 1M x |
| | | | 32 | 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 32 | (1) 4M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 32 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 32 | (1) 4M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 33MB | (1) 256K x | (1) 4M x | (1) 4M x | None |
| | 32 | 32 | 32 | |
|-------+-------------+------------+------------+------------|
| 34MB | (1) 512K x | (1) 8M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 1M x 32 | (1) 4M x | (1) 4M x | None |
| | | 32 | 32 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 2M x 32 | (1) 8M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 32 | (1) 4M x | (1) 4M x | None |
| | | 32 | 32 | |
|-------+-------------+------------+------------+------------|
| 49MB | (1) 256K x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 32 | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 52MB | (1) 1M x 32 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 32 | (1) 8M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 32 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 32 | 32 | 32 |
|-------+-------------+------------+------------+------------|
| 65MB | (1) 256K x | (1) 16M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 32 | (1) 16M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 32 | (1) 16M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | None | None |
| | 32 | 32 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP4 |
|----------------------------------------+-------------------|
| Set as 4 banks | Pins 1 & 2 closed |
|----------------------------------------+-------------------|
| Set as 2 banks (banks 0 & 1 & banks 2 | Pins 2 & 3 closed |
| & 3) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | None | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB (B) | (4) 64K x 8 | None | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB (A) | (4) 128K x 8 | None | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB (B) | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 128K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP18 | JP19 | JP20 |
|-----------+----------------+---------------+---------------|
| 128KB | Open | Pins 2 & 3 | Pins 1 & 2 |
| | | closed | closed |
|-----------+----------------+---------------+---------------|
| 256KB (A) | Open | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
|-----------+----------------+---------------+---------------|
| 256KB (B) | Open | Pins 2 & 3 | Pins 1 & 2 |
| | | closed | closed |
|-----------+----------------+---------------+---------------|
| 512KB (A) | Open | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed |
|-----------+----------------+---------------+---------------|
| 512KB (B) | Pins 1 & 2 | Open | Pins 2 & 3 |
| | closed | | closed |
|-----------+----------------+---------------+---------------|
| 1MB | Pins 2 & 3 | Open | Pins 2 & 3 |
| | closed | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP15 | JP25 | JP28 | JP29 |
|---------+--------+--------+-------------------+------------|
| 25MHz | Closed | Open | Pins 1 & 2 closed | Pins 2 & 3 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 33MHz | Open | Open | Pins 2 & 3 closed | Pins 1 & 2 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 40MHz | Open | Closed | Pins 1 & 2 closed | Pins 2 & 3 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 66iMHz | Open | Open | Pins 2 & 3 closed | Pins 1 & 2 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 75iMHz | Closed | Open | Pins 1 & 2 closed | Pins 2 & 3 |
| | | | | closed |
|---------+--------+--------+-------------------+------------|
| 100iMHz | Open | Open | Pins 2 & 3 closed | Pins 1 & 2 |
| | | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP26 | JP40 | JP41 | JP43 | JP44 |
|----------+---------+--------------+--------+-------+-------|
| CX486M6 | Open | 1 & 3, 2 & 4 | Closed | 2 & 3 | 2 & 3 |
|----------+---------+--------------+--------+-------+-------|
| 80486SX | Open | 1 & 3, 2 & 4 | Open | Open | 1 & 2 |
|----------+---------+--------------+--------+-------+-------|
| 80486DX | Open | 1 & 3, 2 & 4 | Open | Open | 1 & 2 |
|----------+---------+--------------+--------+-------+-------|
| 80486DX2 | Open | 1 & 3, 2 & 4 | Open | Open | 1 & 2 |
|----------+---------+--------------+--------+-------+-------|
| 80486DX4 | Closed | 3 & 4, 5 & 6 | Open | Open | 1 & 2 |
|----------+---------+--------------+--------+-------+-------|
| P24C | Open | 1 & 3, 2 & 4 | Open | 1 & 2 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP45 | JP46 | JP47 | JP48 | JP54 |
|----------+-------------+-------+-------+----------+--------|
| CX486M6 | 3 & 4 | 4 & 5 | Open | 2 & 3 | Closed |
|----------+-------------+-------+-------+----------+--------|
| 80486SX | Open | Open | Open | 2 & 3 | Open |
|----------+-------------+-------+-------+----------+--------|
| 80486DX | Open | Open | 2 & 3 | 1 & 2, 3 | Open |
| | | | | & 4 | |
|----------+-------------+-------+-------+----------+--------|
| 80486DX2 | Open | Open | 2 & 3 | 1 & 2, 3 | Open |
| | | | | & 4 | |
|----------+-------------+-------+-------+----------+--------|
| 80486DX4 | Open | Open | 2 & 3 | 1 & 2, 3 | Open |
| | | | | & 4 | |
|----------+-------------+-------+-------+----------+--------|
| P24C | 1 & 2, 3 & | 1 & 2 | 2 & 3 | 1 & 2, 3 | Open |
| | 4 | | | & 4 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP27 |
|----------------------------+-------------------------------|
| Cyrix | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| AMD | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Intel | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP52 | JP53 | JP56 |
|---------------+------------+-----------+-------------------|
| | 25MHz | Open | Open | Pins 2 & 3 closed |
|---+-----------+------------+-----------+-------------------|
| » | 33MHz | Open | Open | Pins 2 & 3 closed |
|---+-----------+------------+-----------+-------------------|
| | 40MHz | Closed | Closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI MODE SELECTION |
|------------------------------------------------------------|
| Setting | JP11 | JP30 | JP31 | JP33 |
|--------------+--------+------------+-----------+-----------|
| Asynchronous | Closed | Pins 2 & 3 | Pins 1 & | Pins 2 & |
| | | closed | 2 closed | 3 closed |
|--------------+--------+------------+-----------+-----------|
| Synchronous | Open | Pins 2 & 3 | Pins 2 & | Pins 2 & |
| | | closed | 3 closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION (IRQ9) |
|------------------------------------------------------------|
| Setting | JP21A |
|----------------------------+-------------------------------|
| Slots 1 & 2 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Slot 3 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION (IRQ10) |
|------------------------------------------------------------|
| Setting | JP21B |
|----------------------------+-------------------------------|
| Slots 1 & 2 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Slot 3 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION (IRQ11) |
|------------------------------------------------------------|
| Setting | JP21C |
|----------------------------+-------------------------------|
| Slots 1 & 2 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Slot 3 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION (IRQ12) |
|------------------------------------------------------------|
| Setting | JP21D |
|----------------------------+-------------------------------|
| Slots 1 & 2 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Slot 3 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION (IRQ15) |
|------------------------------------------------------------|
| Setting | JP21E |
|----------------------------+-------------------------------|
| Slots 1 & 2 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Slot 3 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT SELECTION (IRQ14) |
|------------------------------------------------------------|
| Setting | JP21F |
|----------------------------------------+-------------------|
| Slot 4 (only for compliant card that | Pins 1 & 2 closed |
| use IRQ14) | |
|----------------------------------------+-------------------|
| Slot 4 (only for non compliant card | Pins 2 & 3 closed |
| that use IRQ14) | |
+------------------------------------------------------------+