TEXT View Source
# ASUS COMPUTER INTERNATIONAL
PVI-486AP4
Processor CX486S/80486SX/80487SX/80486SX2/CX486DX/80486DX/ODP486SX/
CX486DX2/CX486DX2-V/80486DX2/80486DX4/Pentium Overdrive
Processor 25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Intel
Max. 128MB
Onboard
DRAM
Cache 128/256/512KB
BIOS Award
Dimensions 330mm x 218mm
I/O 32-bit PCI bus slots (4), 32-bit VESA local bus slot, green
Options PC feature, IDE interface, PS/2 mouse connector
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| PS/2 mouse | J1 | Speaker | J7 |
| connector | | | |
|----------------+----------+---------------------+----------|
| IDE interface | J2 | Power LED & keylock | J8 |
|----------------+----------+---------------------+----------|
| Green PC | J3 | IDE interface LED | JP40 |
| connector | | | |
|----------------+----------+---------------------+----------|
| Turbo switch | J4 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|----------------+----------+---------------------+----------|
| Turbo LED | J5 | 32-bit VESA Local | SL1 |
| | | bus slots | |
|----------------+----------+---------------------+----------|
| Reset switch | J6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select | JP1 | pins 1 & 2 |
| | monochrome/VGA | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select CGA | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS voltage select 5 volt | JP12 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS voltage select 12 | JP12 | pins 1 & 2 |
| | volt | | closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS write protect enabled | JP13 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS write protect | JP13 | pins 2 & 3 |
| | disabled | | closed |
|---+----------------------------------+--------+------------|
| » | Cache type select write through | JP17 | Open |
|---+----------------------------------+--------+------------|
| | Cache type select write back | JP17 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | On board mouse enabled | JP28 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board mouse disabled | JP28 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | IDE controller IRQ select IRQ14 | JP29 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IDE controller IRQ select IRQ15 | JP29 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+---------------+------------+------------+----------|
| 2MB | (1) 512K x 36 | NONE | NONE | NONE |
|-------+---------------+------------+------------+----------|
| 4MB | (1) 512K x 36 | (1) 512K x | NONE | NONE |
| | | 36 | | |
|-------+---------------+------------+------------+----------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|-------+---------------+------------+------------+----------|
| 6MB | (1) 1M x 36 | NONE | (1) 512K x | NONE |
| | | | 36 | |
|-------+---------------+------------+------------+----------|
| 8MB | (1) 1M x 36 | (1) 1M x | NONE | NONE |
| | | 36 | | |
|-------+---------------+------------+------------+----------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|-------+---------------+------------+------------+----------|
| 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+---------------+------------+------------+----------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+---------------+------------+------------+----------|
| 16MB | (1) 2M x 36 | (1) 2M x | NONE | NONE |
| | | 36 | | |
|-------+---------------+------------+------------+----------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|-------+---------------+------------+------------+----------|
| 24MB | (1) 4M x 36 | NONE | (1) 2M x | NONE |
| | | | 36 | |
|-------+---------------+------------+------------+----------|
| 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+---------------+------------+------------+----------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|-------+---------------+------------+------------+----------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+---------------+------------+------------+----------|
| 48MB | (1) 8M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|-------+---------------+------------+------------+----------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+---------------+------------+------------+----------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+---------------+------------+------------+----------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 36 | 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 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (2) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (2) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 64K x 8 | NONE | (2) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (2) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | NONE | (2) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP20 | JP21 |
|------------+--------------------+--------------------------|
| 128KB | pins 1 & 2 closed | pins 1 & 2 closed |
|------------+--------------------+--------------------------|
| 256KB | pins 1 & 2 closed | pins 2 & 3 closed |
|------------+--------------------+--------------------------|
| 256KB | pins 1 & 2 closed | pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| 512KB | pins 2 & 3 closed | pins 2 & 3, 4 & 5 closed |
|------------+--------------------+--------------------------|
| 512KB | pins 2 & 3 closed | pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP18 | JP19 |
|-------------------+--------------------+-------------------|
| CX486S | pins 2 & 3, 4 & 5 | pins 1 & 2, 4 & 5 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| AMD486SX/SX2 | pins 1 & 2, 4 & 5 | pins 4 & 5 closed |
| | closed | |
|-------------------+--------------------+-------------------|
| 80486SX/SX2 | pins 1 & 2, 4 & 5 | pins 1 & 2, 4 & 5 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| 80487SX | pins 1 & 2, 4 & 5 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| SL 80486SX/SX2 | pins 2 & 3, 4 & 5 | pins 1 & 2, 4 & 5 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| CX486DX/DX2/DX2-V | pins 1 & 2, 4 & 5 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| AMD486DX/DX2 | pins 1 & 2, 4 & 5 | pins 3 & 4 closed |
| | closed | |
|-------------------+--------------------+-------------------|
| 80486DX/DX2 | pins 1 & 2, 4 & 5 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| SL 80486DX/DX2 | pins 2 & 3, 4 & 5 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| 80486DX4 | pins 2 & 3, 4 & 5 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| Overdrive | pins 1 & 2, 4 & 5 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| SL Overdrive | pins 2 & 3, 4 & 5 | pins 1 & 2, 3 & 4 |
| | closed | closed |
|-------------------+--------------------+-------------------|
| Pentium Overdrive | pins 2 & 3, 5 & 6 | pins 1 & 2, 3 & 4 |
| | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP25 | JP26 |
|------------------+--------------------+--------------------|
| 25MHz | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 33MHz | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 50iMHz | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 66iMHz | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 75iMHz | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 100iMHz | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU CLOCK SPEED CONFIGURATION (80846DX4) |
|------------------------------------------------------------|
| Speed | JP17 |
|-----------------------+------------------------------------|
| 2x | pins 4 & 5 closed |
|-----------------------+------------------------------------|
| 2.5x | pins 3 & 4 closed |
|-----------------------+------------------------------------|
| 3x | Open |
|------------------------------------------------------------|
| Note: The use of JP17 depends on which CPU is installed. |
| The above setting is used only if a DX4 is installed. |
| Otherwise, use JP17 setting located in the user |
| configurable table. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP22 |
|----------------------------+-------------------------------|
| <=33MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| > 33MHz | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP30 | JP31 |
|--------------------+-------------------+-------------------|
| 3.3 volt (Intel | pins 1 & 2 closed | pins 2 & 3 closed |
| 80486DX4) | | |
|--------------------+-------------------+-------------------|
| 3.6 volt (Cyrix | pins 2 & 3 closed | pins 1 & 2 closed |
| DX2-V) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP23 |
|----------------------------+-------------------------------|
| 0 wait states | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 1 wait state | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (IRQ5) |
|------------------------------------------------------------|
| PCI slot | JP2 | JP11 |
|------------------+--------------------+--------------------|
| Default | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| PC1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| PC2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| PC3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| PC4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (IRQ9) |
|------------------------------------------------------------|
| PCI slot | JP3 | JP10 |
|------------------+--------------------+--------------------|
| Default | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| PC1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| PC2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| PC3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| PC4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (IRQ11) |
|------------------------------------------------------------|
| PCI slot | JP4 | JP9 |
|------------------+--------------------+--------------------|
| Default | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| PC1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| PC2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| PC3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| PC4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (IRQ14) |
|------------------------------------------------------------|
| PCI slot | JP5 | JP8 |
|------------------+--------------------+--------------------|
| Default | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| PC1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| PC2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| PC3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| PC4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI INTERRUPT CONFIGURATION (IRQ15) |
|------------------------------------------------------------|
| PCI slot | JP6 | JP7 |
|------------------+--------------------+--------------------|
| Default | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| PC1 | pins 1 & 2 closed | N/A |
|------------------+--------------------+--------------------|
| PC2 | pins 3 & 4 closed | N/A |
|------------------+--------------------+--------------------|
| PC3 | N/A | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| PC4 | N/A | pins 3 & 4 closed |
+------------------------------------------------------------+