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# TAI HSIN GROUP
286/EMS
Processor 80286
Processor Speed 12/16MHz
Chip Set G-2
Video Chip Set None
Maximum Onboard Memory 8MB
Maximum Video Memory None
Cache None
BIOS AMI/Award/Phoenix/Quadtel
Dimensions 324mm x 222mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J2 | Power LED & | J34 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Turbo switch | J32 | Speaker | J35 |
|------------------+----------+-------------------+----------|
| Turbo LED | J33 | Reset switch | J36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Monitor type select color | J1 | Closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select monochrome | J1 | Open |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J3 | Unidentified |
| | alter (S/W speed select) | | |
|---+---------------------------------+-------+--------------|
| | Battery type select Dallas | J4 | Closed |
|---+---------------------------------+-------+--------------|
| | Battery type select 146818 | J4 | Open |
|---+---------------------------------+-------+--------------|
| | Power good signal detect from | J13 | Pins 1 & 2 |
| | power supply | | closed |
|---+---------------------------------+-------+--------------|
| | Power good signal detect from | J13 | Pins 2 & 3 |
| | board | | closed |
|---+---------------------------------+-------+--------------|
| | NPU clock select PROCCLK | J20 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | NPU clock select CLK-2 | J20 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS type select 27128 | J21 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS type select 27256 | J21 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Delay line select external | J22 | Closed |
|---+---------------------------------+-------+--------------|
| | Delay line select internal | J22 | Open |
|---+---------------------------------+-------+--------------|
| | Chip type select 103 | J23 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Chip type select 113 | J23 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | J24 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | Wait state select 0 wait states | J25 | Closed |
|---+---------------------------------+-------+--------------|
| | Wait state select 1 wait state | J25 | Open |
|---+---------------------------------+-------+--------------|
| | I/O speed select half speed | SW1/1 | On |
|---+---------------------------------+-------+--------------|
| | I/O speed select full speed | SW1/1 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank | Bank 1 | Bank | Bank 2 | Bank |
| | | 0A | | 1A | | 3 |
|--------+--------+--------+--------+-------+--------+-------|
| 512KB | (16) | None | None | None | None | None |
| (A) | 41256 | | | | | |
|--------+--------+--------+--------+-------+--------+-------|
| 512KB | None | (4) | None | None | None | None |
| (B) | | 44256 | | | | |
|--------+--------+--------+--------+-------+--------+-------|
| 512KB | None | None | None | None | (2) | None |
| | | | | | 256K x | |
| | | | | | 9 | |
|--------+--------+--------+--------+-------+--------+-------|
| 1MB | (16) | None | (16) | None | None | None |
| (A) | 41256 | | 41256 | | | |
|--------+--------+--------+--------+-------+--------+-------|
| 1MB | None | (4) | (4) | None | None | None |
| (B) | | 44256 | 44256 | | | |
|--------+--------+--------+--------+-------+--------+-------|
| 1MB | None | None | None | None | (2) | (2) |
| (C) | | | | | 256K x | 256K |
| | | | | | 9 | x 9 |
|--------+--------+--------+--------+-------+--------+-------|
| 2MB | (16) | None | None | None | None | None |
| (A) | 411000 | | | | | |
|--------+--------+--------+--------+-------+--------+-------|
| 2MB | None | None | None | None | (2) 1M | None |
| (B) | | | | | x 9 | |
|--------+--------+--------+--------+-------+--------+-------|
| 2MB | (16) | None | (16) | None | (2) | (2) |
| (C) | 41256 | | 41256 | | 256K x | 256K |
| | | | | | 9 | x 9 |
|--------+--------+--------+--------+-------+--------+-------|
| 2MB | None | (4) | (4) | None | (2) | (2) |
| (D) | | 44256 | 44256 | | 256K x | 256K |
| | | | | | 9 | x 9 |
|--------+--------+--------+--------+-------+--------+-------|
| 4MB | (16) | None | (16) | None | None | None |
| (A) | 411000 | | 411000 | | | |
|--------+--------+--------+--------+-------+--------+-------|
| 4MB | None | None | None | None | (2) 1M | (2) |
| (B) | | | | | x 9 | 1M x |
| | | | | | | 9 |
|--------+--------+--------+--------+-------+--------+-------|
| 5MB | (16) | None | (16) | None | (2) 1M | (2) |
| (A) | 41256 | | 41256 | | x 9 | 1M x |
| | | | | | | 9 |
|--------+--------+--------+--------+-------+--------+-------|
| 5MB | None | (4) | (4) | None | (2) 1M | (2) |
| (B) | | 44256 | 44256 | | x 9 | 1M x |
| | | | | | | 9 |
|--------+--------+--------+--------+-------+--------+-------|
| 8MB | (16) | None | (16) | None | (2) 1M | (2) |
| | 411000 | | 411000 | | x 9 | 1M x |
| | | | | | | 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM PARITY CONFIGURATION |
|------------------------------------------------------------|
| Size | P 0 | P 1 |
|-------------------+--------------------+-------------------|
| 512KB (A) | (2) 41256 | None |
|-------------------+--------------------+-------------------|
| 512KB (B) | (2) 41256 | None |
|-------------------+--------------------+-------------------|
| 512KB (C) | None | None |
|-------------------+--------------------+-------------------|
| 1MB (A) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 1MB (B) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 1MB (C) | None | None |
|-------------------+--------------------+-------------------|
| 2MB (A) | (2) 411000 | None |
|-------------------+--------------------+-------------------|
| 2MB (B) | None | None |
|-------------------+--------------------+-------------------|
| 2MB (C) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 2MB (D) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 4MB (A) | (2) 411000 | (2) 411000 |
|-------------------+--------------------+-------------------|
| 4MB (B) | None | None |
|-------------------+--------------------+-------------------|
| 5MB (A) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 5MB (B) | (2) 41256 | (2) 41256 |
|-------------------+--------------------+-------------------|
| 8MB | (2) 411000 | (2) 411000 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J26 | J27 | J28 | J29 | J30 | J31 |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1MB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1MB (C) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 2MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 2MB (B) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 2MB (C) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 2MB (D) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 4MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 4MB (B) | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+--------+-------+-------+-------+-------+-------|
| 5MB (A) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 5MB (B) | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|-----------+--------+-------+-------+-------+-------+-------|
| 8MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|-----------+---------+---------+---------+---------+--------|
| 512KB (A) | Off | Off | Off | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 512KB (B) | Off | Off | Off | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 512KB (C) | Off | Off | Off | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 1MB (A) | On | Off | Off | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 1MB (B) | On | Off | Off | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 1MB (C) | On | Off | Off | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 2MB (A) | Off | Off | On | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 2MB (B) | Off | Off | On | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 2MB (C) | On | On | Off | Off | On |
|-----------+---------+---------+---------+---------+--------|
| 2MB (D) | On | On | Off | Off | On |
|-----------+---------+---------+---------+---------+--------|
| 4MB (A) | On | Off | On | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 4MB (B) | On | Off | On | Off | Off |
|-----------+---------+---------+---------+---------+--------|
| 5MB (A) | On | On | Off | On | On |
|-----------+---------+---------+---------+---------+--------|
| 5MB (B) | On | On | Off | On | On |
|-----------+---------+---------+---------+---------+--------|
| 8MB | On | On | Off | Off | On |
+------------------------------------------------------------+