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# UNIDENTIFIED
OPTI-P9
Processor 80386SX
Processor Speed 16/20MHz
Chip Set OPTI
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 220mm x 220mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Turbo switch | J1 | Speaker | J4 |
|----------------+----------+---------------------+----------|
| Turbo LED | J2 | Power LED & keylock | J5 |
|----------------+----------+---------------------+----------|
| Reset switch | J3 | External battery | JP2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Turbo mode enabled | J1 | Open |
|---+----------------------------------+--------+------------|
| | Normal mode enabled CLK2/6 OR | J1 | Closed |
| | CLK2/4 | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select monochrome | JP1 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP1 | Closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP2 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | NPU asynchronous with CPU | JP3 | Closed |
|---+----------------------------------+--------+------------|
| | NPU synchronous with CPU | JP3 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (2) 256K x | (2) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 2MB | (2) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 3MB | (2) 256K x | (2) 256K x | (2) 1M x 9 | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 9MB | (2) 256K x | (2) 256K x | (2) 4M x 9 | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (2) 1M x 9 | (2) 4M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | (2) 1M x 9 | (2) 1M x 9 | (2) 4M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size |Bank 0|Parity 0|Bank 1|Parity|Bank|Parity|Bank|Parity|
| | | | | 1 | 2 | 2 | 3 | 3 |
|------+------+--------+------+------+----+------+----+------|
|256KB | | | | | | | | |
|------+------+--------+------+------+----+------+----+------|
|256KB | | | | | | | | |
|------+------+--------+------+------+----+------+----+------|
|512KB | | | | | | | | |
|------+------+--------+------+------+----+------+----+------|
|512KB | | | | | | | | |
|------+------+--------+------+------+----+------+----+------|
|576KB | | | | | | | | |
|------+------+--------+------+------+----+------+----+------|
|576KB | | | | | | | | |
|------+------+--------+------+------+----+------+----+------|
|640KB | | | | | | | | |
|------+------+--------+------+------+----+------+----+------|
|640KB | | | | | | | | |
|------------------------------------------------------------|
|Note:When using 44256 or 4464 chips, insert the chips into |
|the dual-size sockets. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Max Cachable | Bank 0 | Bank 1 | TAG |
|-------+--------------+------------+------------+-----------|
| 64KB | 8MB | (4) 8K x 8 | (4) 8K x 8 | (2) 16K x |
| | | | | 4 |
|-------+--------------+------------+------------+-----------|
| 128KB | 16MB | (4) 32K x | NONE | (2) 16K x |
| | | 8 | | 4 |
|-------+--------------+------------+------------+-----------|
| 256KB | 32MB | (4) 32K x | (4) 32K x | (2) 16K x |
| | | 8 | 8 | 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W3 | W4 | W5 | W6 |
|-------+-------------+------------+------------+------------|
| 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 128KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA CPU TYPE (ID0 & ID1) CONFIGURATION |
|------------------------------------------------------------|
| CPU Type | JP1 (ID0) | JP2 (ID1) |
|------------------+--------------------+--------------------|
| 80386 | pins 2 & 3 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 80486 | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | Wait states | JP4 (ID3) | JP5 (ID2) |
|------------+----------------+----------------+-------------|
| < 33MHz | 0 wait states | pins 1 & 2 | pins 1 & 2 |
| | | closed | closed |
|------------+----------------+----------------+-------------|
| > 33MHz | 1 wait state | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA ID4 CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP6 (ID4) |
|-------------------------------+----------------------------|
| Reserved for future use | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+