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# LASER COMPUTER, INC.
LASER 286X (VER. B)
Processor 80286
Processor Speed Unidentified
Chip Set Unidentified
Video Chip Set None
Maximum Onboard Memory 1MB
Maximum Video Memory None
Cache None
BIOS IBM/Phoenix
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J1 | Reset switch | J7 |
|------------------+----------+-------------------+----------|
| Turbo switch | J5 | Speaker | J8 |
|------------------+----------+-------------------+----------|
| Turbo LED | J6 | Power LED & | J9 |
| | | keylock | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| | Monitor type select monochrome | J3 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Monitor type select color | J3 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Parity check disabled | J4 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Parity check enabled | J4 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Wait state select 1 wait state | J10 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Wait state select 0 wait states | J10 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| ยป | Factory configured - do not | J12 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| | BIOS type select IBM/Phoenix | J13 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | BIOS type select all other BIOS | J13 | Pins 2 & 3 |
| | types | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 640KB | (18) 41256 | (18) 4164 |
|------------------+--------------------+--------------------|
| 1MB | (18) 41256 | (18) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J11 |
|----------------------------+-------------------------------|
| 640KB | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 1MB | Pins 2 & 3 closed |
+------------------------------------------------------------+