TEXT View Source
# ORCHID TECHNOLOGY
Privilege 386SX
Processor 80386SX
Processor Speed 20/25MHz
Chip Set OPTI
Max. Onboard DRAM 16MB
Cache 32/64KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | J2 | Speaker | J13 |
|---------------------+----------+----------------+----------|
| Turbo switch | J9 | Turbo LED | J14 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J12 | Reset switch | J15 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | J3 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J8 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J10 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | NPU mode select synchronous with | J11 | Open |
| | CPU | | |
|---+----------------------------------+--------+------------|
| | NPU mode select asynchronous | J11 | Closed |
| | with CPU | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------+-------------+-------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (2) 256K x | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
|------+-------------+-------------+------------+------------|
| 10MB | (2) 1M x 9 | (2) 4M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache | Location | TAG (U19) |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | U15 - U18 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 64KB | (2) 32K x 8 | U15 & U16 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J4 | J5 | J6 | J7 |
|------+--------+--------+-----------------+-----------------|
| 32KB | Open | Closed | pins 1 & 2 | pins 2 & 3 |
| | | | closed | closed |
|------+--------+--------+-----------------+-----------------|
| 64KB | Closed | Open | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
+------------------------------------------------------------+