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# ADVANCED INTEGRATION RESEARCH, INC.
486PI (REV. 1.0)
Processor 80486SX/80487SX80486DX/80486DX2/80486DX4/P24D/P24T
Processor 25/33/50(internal)/66(internal)/100(internal)MHz
Speed
Chip Set Intel
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots
(3), floppy drive interfaces (2), green PC
connector, IDE interface, parallel port, serial
ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | C1 | Floppy drive | CN3 |
| keylock | | interface 2 | |
|-------------------+----------+------------------+----------|
| IDE interface LED | C2 | Floppy drive | CN4 |
| | | interface 1 | |
|-------------------+----------+------------------+----------|
| Speaker | C3 | Parallel port | CN5 |
|-------------------+----------+------------------+----------|
| Turbo switch | C4 | IDE interface | CN6 |
|-------------------+----------+------------------+----------|
| Turbo LED | C5 | Green PC | GPC |
| | | connector | |
|-------------------+----------+------------------+----------|
| Reset switch | C6 | External battery | J2 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | 32-bit PCI slots | PC1 – |
| | | | PC3 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | 32-bit VESA | SL1 & |
| | | local bus slots | SL2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP1 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP1 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP2 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+--------+--------------|
| » | Parallel port IRQ select IRQ7 | JP3 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Parallel port IRQ select IRQ5 | JP3 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select | JP5 | Open |
| | monochrome/VGA/EGA | | |
|---+--------------------------------+--------+--------------|
| | Monitor type select CGA | JP5 | Closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP13 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP14 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP15 | Unidentified |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP16 | Unidentified |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP17 | Closed |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP18 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP23 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP24 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP26 | Closed |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP27 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP28 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP29 | Open |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | JP30 | Open |
| | alter | | |
|------------------------------------------------------------|
| Note: The location of all factory configured jumpers |
| except for JP15 & JP16 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+--------------+--------------+--------|
| 2MB | (1) 512K x | None | None | None |
| | 36 | | | |
|------+--------------+--------------+--------------+--------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+--------------+--------------+--------------+--------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|------+--------------+--------------+--------------+--------|
| 6MB | (1) 1M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+--------------+--------------+--------------+--------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+--------------+--------------+--------------+--------|
| 8MB | (1) 1M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+--------------+--------------+--------------+--------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 2M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 512K x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 44MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 104MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | (1) 8M 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 |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | None |
|------------------+--------------------+--------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP8 | JP9 | JP10 | JP11 | JP12 |
|---------+----------+---------+---------+---------+---------|
| 128KB | Closed | Open | Open | Open | Open |
|---------+----------+---------+---------+---------+---------|
| 256KB | Open | Closed | Closed | Closed | Open |
|---------+----------+---------+---------+---------+---------|
| 512KB | Closed | Open | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP19 | JP20 | JP21 | JP22 |
|----------+---------+---------+---------+-------------------|
| 25MHz | Closed | Open | Open | Pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 33MHz | Open | Closed | Closed | Pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 50iMHz | Closed | Open | Open | Pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 66iMHz | Open | Closed | Closed | Pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 100iMHz | Closed | Open | Open | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP25 |
|----------------------------+-------------------------------|
| 80486SX | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 80487SX | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 80486DX | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 80486DX2 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 80486DX4 | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| P24D | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| P24T | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| 4 floppy | Channel | JP4 | JP6 | JP7 |
| drives | | | | |
|---------------+---------+-----------+-----------+----------|
| » | Enabled | None | Open | Open | Pins 1 & |
| | | | | | 2 closed |
|---+-----------+---------+-----------+-----------+----------|
| | Disabled | 1 | Pins 2 & | Pins 2 & | Pins 2 & |
| | | | 3 closed | 3 closed | 3 closed |
|---+-----------+---------+-----------+-----------+----------|
| | Disabled | 3 | Pins 1 & | Pins 1 & | Pins 2 & |
| | | | 2 closed | 2 closed | 3 closed |
+------------------------------------------------------------+