TEXT View Source
# UNIDENTIFIED
80286-12 TURBO
Processor 80286
Processor Speed 12MHz
Chip Set Unknown
Max. Onboard DRAM 4MB
Cache None
BIOS AMI
Dimensions 243mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J2 | Reset switch | JP13 |
|------------------+----------+-------------------+----------|
| Turbo LED | JP11 | Speaker | JP14 |
|------------------+----------+-------------------+----------|
| Turbo switch | JP12 | Power LED & | JP15 |
| | | keylock | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | Factory configured - do not | J8 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | J9 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | NPU mode select synchronous with | J10 | pins 2 & 3 |
| | CPU | | closed |
|---+----------------------------------+--------+------------|
| | NPU mode select asynchronous | J10 | pins 1 & 2 |
| | with CPU | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP5 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP5 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 | Bank 1 | P-1 | Bank | Bank |
| | | | | | 2 | 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 44256 | 41256 | | | | |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 256K | |
| | | | | | x 9 | |
|--------+--------+--------+--------+--------+-------+-------|
| 640KB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 4464 | 4164 | | |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 44256 | 41256 | | |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 256K | 256K |
| | | | | | x 9 | x 9 |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 1M x | |
| | | | | | 9 | |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 1M x | 1M x |
| | | | | | 9 | 9 |
|------------------------------------------------------------|
| Notes:Locations of Bank 0, Bank 1, P0, & P1 |
| unidentified. Bank 0 consists of U26, U27, U31, & |
| U32. Bank 1 consists of U35, U36, U37, & U38. P-0 |
| consists of U41 & U42. P-1 consists of U43 & U44. |
+------------------------------------------------------------+