(TXT) View Source
# OMNITEL, INC.
386SX Rev. 1
Processor 80386SX
Processor Speed 20/25MHz
Chip Set OPTI
Max. Onboard DRAM 16MB
Cache 16/32/64KB
BIOS MR
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387SX
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | J1 | Reset switch | JP10 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J22 | Turbo switch | JP11 |
|---------------------+----------+----------------+----------|
| Turbo LED | JP8 | Speaker | JP21 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------+---------+-------------------|
| » | Diagnostics enabled | JP9 | Closed |
|---+--------------------------+---------+-------------------|
| | Diagnostics disabled | JP9 | Open |
|---+--------------------------+---------+-------------------|
| » | Battery select external | JP13 | pins 1 & 2 closed |
|---+--------------------------+---------+-------------------|
| | Battery select internal | JP13 | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------+-------------+-------------+------------+------------|
| 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 |
|------+-------------+-------------+------------+------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|-----------------+---------------------+--------------------|
| 16KB | (2) 8K x 8 | NONE |
|-----------------+---------------------+--------------------|
| 32KB | (2) 8K x 8 | (2) 8K x 8 |
|-----------------+---------------------+--------------------|
| 64KB | (2) 32K x 8 | NONE |
|------------------------------------------------------------|
| Note:TAG is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 | JP4 | JP5 | JP6 | JP7 |
|---------+----------+----------+--------+---------+---------|
| 16KB | 1 & 2 | 1 & 2 | 1 & 2 | Open | Open |
|---------+----------+----------+--------+---------+---------|
| 32KB | 2 & 3 | 1 & 2 | 1 & 2 | Closed | Open |
|---------+----------+----------+--------+---------+---------|
| 64KB | 2 & 3 | 2 & 3 | 2 & 3 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+