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# ATRONICS INTERNATIONAL, INC.
ATI-2000/B
Processor 80286
Processor Speed 10/12/16MHz
Chip Set Headland
Max. onboard DRAM 4MB
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | JP1 | Turbo switch | JPHWS |
| | | connector | |
|------------------+----------+-------------------+----------|
| Speaker | JP2 | Reset switch | P1 |
| | | (optional) | |
|------------------+----------+-------------------+----------|
| Keylock | JP4 | Turbo LED | P2 |
| | | (optional) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | I/O bus speed select 0 | JP5 | pins 2 & 3 |
| | wait states | | closed |
|---+---------------------------+---------------+------------|
| | I/O bus speed select 1 | JP5 | pins 1 & 2 |
| | wait state | | closed |
|---+---------------------------+---------------+------------|
| » | I/O wait state selectable | JP6 | pins 1 & 2 |
| | via the keyboard | | closed |
|---+---------------------------+---------------+------------|
| | I/O wait state selectable | JP6 | pins 2 & 3 |
| | via JP5 | | closed |
|---+---------------------------+---------------+------------|
| » | CPU speed selectable via | JP7 | pins 1 & 2 |
| | the keyboard | | closed |
|---+---------------------------+---------------+------------|
| | CPU speed selectable via | JP7 | pins 2 & 3 |
| | the turbo switch | | closed |
|---+---------------------------+---------------+------------|
| » | BIOS type select 27128 | JP8 & JP9 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | BIOS type select 27256 | JP8 & JP9 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | P8 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | Monitor type select | P8 | pins 1 & 2 |
| | monochrome | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 256KB | (8) 256K x | NONE | NONE | NONE |
| | 1 | | | |
|-------+-------------+------------+------------+------------|
| 512KB | (8) 256K x | (8) 256K x | NONE | NONE |
| | 1 | 1 | | |
|-------+-------------+------------+------------+------------|
| 640KB | (8) 64K x 1 | (8) 64K x | (8) 256K x | (8) 256K x |
| | | 1 | 1 | 1 |
|-------+-------------+------------+------------+------------|
| 1MB | (8) 256K x | (8) 256K x | (8) 256K x | (8) 256K x |
| | 1 | 1 | 1 | 1 |
|-------+-------------+------------+------------+------------|
| 2MB | (8) 1M x 1 | (8) 1M x 1 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 4MB | (8) 1M x 1 | (8) 1M x 1 | (8) 1M x 1 | (8) 1M x 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MEMORY SIZE CONFIGURATION |
|------------------------------------------------------------|
| Size | JP12 | JP14A | JP14B |
|-------+-----------------+-----------------+----------------|
| 256KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 512KB | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 640KB | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 1MB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 2MB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|-------+-----------------+-----------------+----------------|
| 4MB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+