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# UNIDENTIFIED
ZERO WAIT HAM/12-TI
Processor 80286
Processor Speed 12MHz
Chip Set TI
Max. Onboard DRAM 4MB
Cache None
BIOS AMI/Award/Phoenix
Dimensions 271mm x 218mm
I/O Options None
NPU Options 80287
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 | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+---------+-----------|
| » | Monitor type select color | J7 | Closed |
|---+----------------------------------+---------+-----------|
| | Monitor type select monochrome | J7 | Open |
|---+----------------------------------+---------+-----------|
| » | Wait state select 0 | J8 | Closed |
|---+----------------------------------+---------+-----------|
| | Wait state select 1 | J8 | Open |
|---+----------------------------------+---------+-----------|
| » | Parity check enabled | J9 | Open |
|---+----------------------------------+---------+-----------|
| | Parity check disabled | J9 | Closed |
|---+----------------------------------+---------+-----------|
| » | DRAM type select 256K | J0 | Closed |
|---+----------------------------------+---------+-----------|
| | DRAM type select 1M | J0 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | P-0 | P-1 | Bank | Bank |
| | | | | | 2 | 3 |
|-------+---------+--------+--------+--------+-------+-------|
| 512KB | (4) | NONE | (2) | NONE | NONE | NONE |
| | 44256 | | 41256 | | | |
|-------+---------+--------+--------+--------+-------+-------|
| 512KB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 256K | |
| | | | | | x 9 | |
|-------+---------+--------+--------+--------+-------+-------|
| 640KB | (4) | (4) | (2) | (2) | NONE | NONE |
| | 44256 | 4464 | 41256 | 4164 | | |
|-------+---------+--------+--------+--------+-------+-------|
| 1MB | (4) | (4) | (2) | (2) | NONE | NONE |
| | 44256 | 44256 | 41256 | 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 |
+------------------------------------------------------------+