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# AST RESEARCH, INC.
PREMIUM WORKSTATION (80386SX)
MODEL 202276-001
Processor 80386SX
Processor Speed 16MHz
Chip Set AST
Max. Onboard 6MB
DRAM
Cache None
BIOS AST
Dimensions 360mm x 218mm
I/O Options Floppy drive interface, IDE interface,
parallel port, serial port (2), tape drive
interface, video controller module
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | Floppy drive | J3 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Tape drive | J5 |
| (COM2) | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN3 | External battery | J6 |
| (COM1) | | | |
|-------------------+----------+------------------+----------|
| Video port | CN4 | Riser card | S1 |
|-------------------+----------+------------------+----------|
| Front panel | J1 | Optional ROM | U82 |
| switches & LEDs | | (odd) | |
|-------------------+----------+------------------+----------|
| IDE interface | J2 | Optional ROM | U99 |
| | | (even) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | Factory configured - do not | E1 | open |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | E2 | open |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Monitor type select color | SW1/switch 1 | closed |
|---+-----------------------------+---------------+----------|
| | Monitor type select | SW1/switch 1 | open |
| | monochrome | | |
|---+-----------------------------+---------------+----------|
| » | Password check enabled | SW1/switch 2 | open |
|---+-----------------------------+---------------+----------|
| | Password clear | SW1/switch 2 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 512KB | (2) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 | NONE |
|------------+---------------+---------------+---------------|
| 1.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
|------------+---------------+---------------+---------------|
| 2MB | (2) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 2.5MB | (2) 1M x 9 | (2) 256K x 9 | NONE |
|------------+---------------+---------------+---------------|
| 3MB | (2) 1M x 9 | (2) 256K x 9 | (2) 256K x 9 |
|------------+---------------+---------------+---------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE |
|------------+---------------+---------------+---------------|
| 4.5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x 9 |
|------------+---------------+---------------+---------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+