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# ASUS COMPUTER INTERNATIONAL
PVI-486SP3
Processor CX486S/AM486SX/AM486SXL/80486SX/CX486S2/AM486SX2/AM486SXL/ 80486SX2/80487SX/CX486DX/AM486DX/AM486DXL/U5S/80486DX/
AM486DX2/AM486DXL2/CX486DX2V/CX486DX2/AM486DX2V8B/AM486DXV8T/80486DX2/CX486DX4/AM486DX4/AM486DXL4/AM486DX4V8B/80486DX4/
P24D/P24CT/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Unidentified
Max. 128MB
Onboard
DRAM
Cache 128/256/512KB
BIOS Award
Dimensions 254mm x 218mm
I/O 32-bit VESA local bus slot, 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2),
Options parallel port, PS/2 mouse interface, serial ports (2)
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| PS/2 mouse | CN1 | Turbo LED | J2 pins |
| interface | | | 12 - 13 |
|----------------+----------+---------------------+----------|
| Serial port 1 | CN2 | Green PC connector | J2 pins |
| | | | 14 - 15 |
|----------------+----------+---------------------+----------|
| Serial port 2 | CN3 | Turbo switch | J2 pins |
| | | | 16 - 17 |
|----------------+----------+---------------------+----------|
| Parallel port | CN4 | Reset switch | J2 pins |
| | | | 19 - 20 |
|----------------+----------+---------------------+----------|
| Floppy drive | CN5 | Green PC connector | JP2 |
| interface | | | |
|----------------+----------+---------------------+----------|
| IDE interface | CN6 | Green PC connector | JP3 |
| (primary) | | | |
|----------------+----------+---------------------+----------|
| IDE interface | CN7 | IDE interface LED | JP34 |
| (secondary) | | | |
|----------------+----------+---------------------+----------|
| Power LED & | J2 pins | 32-bit PCI slots | PC1 - |
| keylock | 1 - 5 | | PC3 |
|----------------+----------+---------------------+----------|
| Speaker | J2 pins | 32-bit VESA local | SL1 |
| | 7 - 10 | bus slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | On board I/O enabled | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board I/O disabled | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select | JP8 | pins 1 & 2 |
| | monochrome/VGA | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select CGA | JP8 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | PS/2 mouse enabled | JP14 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | PS/2 mouse disabled | JP14 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (1) 256K x 36 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (1) 256K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 2MB | (1) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 3MB | (1) 256K x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 3MB | (1) 512K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (1) 256K x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 5MB | (1) 1M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (1) 512K x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 6MB | (1) 1M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 2M x 36 | NONE |
|------------------+--------------------+--------------------|
| 9MB | (1) 256K x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 9MB | (1) 2M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (1) 512K x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 10MB | (1) 2M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (1) 256K x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 17MB | (1) 4M x 36 | (1) 256K x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 18MB | (1) 512K x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (1) 4M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 33MB | (1) 256K x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 33MB | (1) 8M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 34MB | (1) 512K x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 34MB | (1) 8M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (1) 1M x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (1) 2M x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (1) 16M x 36 | NONE |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 65MB | (1) 256K x 36 | (1) 16M x 36 |
|------------------+--------------------+--------------------|
| 65MB | (1) 16M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 66MB | (1) 512K x 36 | (1) 16M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (1) 16M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 68MB | (1) 1M x 36 | (1) 16M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (1) 16M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (1) 2M x 36 | (1) 16M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (1) 16M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (1) 4M x 36 | (1) 16M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (1) 16M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (1) 16M x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 36 | (1) 16M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 36 | (1) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 64K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP15 | JP16 | JP17 |
|-------+-----------------+-----------------+----------------|
| 128KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 512KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP18 | JP19 | JP20 |
|---------------+--------------+--------------+--------------|
| CX486S | 2 & 3, 5 & 6 | 2 & 3, 5 & 6 | 2 & 3 |
|---------------+--------------+--------------+--------------|
| AM486SX | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| AM486SXL | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| 80486SX | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| CX486S2 | 2 & 3, 5 & 6 | 2 & 3, 5 & 6 | 2 & 3 |
|---------------+--------------+--------------+--------------|
| AM486SX2 | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| AM486SXL2 | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| 80486SX2 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| 80487SX | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| CX486DX | 2 & 3, 5 & 6 | 2 & 3, 5 & 6 | 2 & 3 |
|---------------+--------------+--------------+--------------|
| AM486DX | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| AM486DXL | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| U5S | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| 80486DX | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| AM486DX2 | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| AM486DXL2 | 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| CX486DX2V | 2 & 3, 5 & 6 | 2 & 3, 5 & 6 | 2 & 3 |
|---------------+--------------+--------------+--------------|
| CX486DX2 | 2 & 3, 5 & 6 | 2 & 3, 5 & 6 | 2 & 3 |
|---------------+--------------+--------------+--------------|
| AM486DX2V8B | 1 & 2, 4 & 5 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| AM486DX2V8T | 1 & 2, 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| 80486DX2 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| CX486DX4 | 1 & 2, 4 & 5 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| AM486DX4 | 1 & 2, 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| AM486DXL4 | 1 & 2, 5 & 6 | 4 & 5 | 4 & 5 |
|---------------+--------------+--------------+--------------|
| AM486DX4V8B | 1 & 2, 4 & 5 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| 80486DX4 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| P24D | 4 & 5 | 1 & 2, 5 & 6 | 1 & 2, 5 & 6 |
|---------------+--------------+--------------+--------------|
| P24CT | 1 & 2, 4 & 5 | 1 & 2, 5 & 6 | 5 & 6 |
|---------------+--------------+--------------+--------------|
| Pentium | 1 & 2, 4 & 5 | 1 & 2, 5 & 6 | 5 & 6 |
| Overdrive | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP21 | JP22 | JP23 | JP24 |
|---------------+--------------+-------+----------+----------|
| CX486S | 2 & 3 | 2 & 3 | Open | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| AM486SX | Open | 4 & 5 | 5 & 6 | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| AM486SXL | Open | 4 & 5 | 5 & 6 | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| 80486SX | 1 & 2 | Open | Open | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| CX486S2 | 2 & 3 | 2 & 3 | Open | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| AM486SX2 | Open | 4 & 5 | 5 & 6 | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| AM486SXL2 | Open | 4 & 5 | 5 & 6 | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| 80486SX2 | 1 & 2 | Open | Open | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| 80487SX | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| CX486DX | 2 & 3 | 2 & 3 | Open | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| AM486DX | Open | 4 & 5 | 5 & 6 | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| AM486DXL | Open | 4 & 5 | 5 & 6 | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| U5S | Open | 4 & 5 | 5 & 6 | 2 & 3 |
|---------------+--------------+-------+----------+----------|
| 80486DX | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| AM486DX2 | Open | 4 & 5 | 5 & 6 | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| AM486DXL2 | Open | 4 & 5 | 5 & 6 | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| CX486DX2V | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| CX486DX2 | 2 & 3 | 2 & 3 | Open | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| AM486DX2V8B | 1 & 2, 3 & | Open | 3 & 4 | 1 & 2, 4 |
| | 4, 5 & 6 | | | & 5 |
|---------------+--------------+-------+----------+----------|
| AM486DX2V8T | Open | 4 & 5 | 2 & 3, 5 | 1 & 2, 4 |
| | | | & 6 | & 5 |
|---------------+--------------+-------+----------+----------|
| 80486DX2 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| CX486DX4 | 1 & 2, 3 & | Open | Open | 1 & 2 |
| | 4, 5 & 6 | | | |
|---------------+--------------+-------+----------+----------|
| AM486DX4 | Open | 4 & 5 | 2 & 3, 5 | 1 & 2, 4 |
| | | | & 6 | & 5 |
|---------------+--------------+-------+----------+----------|
| AM486DXL4 | Open | 4 & 5 | 2 & 3, 5 | 1 & 2, 4 |
| | | | & 6 | & 5 |
|---------------+--------------+-------+----------+----------|
| AM486DX4V8B | 1 & 2, 3 & | Open | 3 & 4 | 1 & 2, 4 |
| | 4, 5 & 6 | | | & 5 |
|---------------+--------------+-------+----------+----------|
| 80486DX4 | 1 & 2 | 1 & 2 | Open | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| P24D | 1 & 2, 3 & | Open | 3 & 4 | 1 & 2, 4 |
| | 4, 5 & 6 | | | & 5 |
|---------------+--------------+-------+----------+----------|
| P24CT | 1 & 2 | Open | 3 & 4 | 1 & 2 |
|---------------+--------------+-------+----------+----------|
| Pentium | 1 & 2 | Open | 3 & 4 | 1 & 2 |
| Overdrive | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (VT8228) |
|------------------------------------------------------------|
| Speed | JP25 | JP26 | JP27 | JP28 |
|---------+------------+------------+------------+-----------|
| 25MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 33MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 40MHz | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 50iMHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 50MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 66iMHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 75iMHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 2 & |
| | closed | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 100iMHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (AV9155) |
|------------------------------------------------------------|
| Speed | JP25 | JP26 | JP27 | JP28 |
|---------+------------+------------+------------+-----------|
| 25MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 33MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 40MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 50iMHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 50MHz | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 66iMHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 75iMHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 100iMHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & |
| | closed | closed | closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP7 |
|----------------------------+-------------------------------|
| 3.45v | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.6v | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP29 |
|----------------------------+-------------------------------|
| 0 wait states | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 1 wait state | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP30 |
|----------------------------+-------------------------------|
| <= 33MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| > 33MHz | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP32 | JP33 |
|------------------+--------------------+--------------------|
| EPROM | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 5v | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 12v | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP9 | JP10 |
|------------------+--------------------+--------------------|
| DMA 1 | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| DMA 3 | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+