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# AST RESEARCH, INC.
PREMIUM/286
(MODELS 202143-001 & 202143-002)
Processor 80286DX
Processor Speed 10MHz
Chip Set AST
Max. Onboard None (2/4 or 8/16MB on external memory
DRAM card(s))
Cache None
BIOS AST
Dimensions 330mm x 218mm
I/O Options 32-bit external memory/CPU card slot (2),
parallel port, serial port
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| 32-bit external | CN1 | Front panel | J25 |
| memory/CPU card | | switches & LEDs | |
|--------------------+----------+-----------------+----------|
| 32-bit external | CN2 | Optional ROM | U11 |
| memory/CPU card | | (odd) | |
|--------------------+----------+-----------------+----------|
| External battery | J22 | Optional ROM | U13 |
| | | (even) | |
|--------------------+----------+-----------------+----------|
| Speaker | J24 | | |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Serial port 1 | COM1 | Keyboard | KYBD |
|---------------------+----------+----------------+----------|
| Parallel port | LPT1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Serial Port | Jumper E24-E25 | Jumper E31 | Jumper E32 |
| (COM1) | | | |
|-----------------+----------------+------------+------------|
| COM1: using | pins 1 & 2 | closed | open |
| IRQ4 | closed | | |
|-----------------+----------------+------------+------------|
| COM2: using | pins 2 & 3 | open | closed |
| IRQ3 | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Parallel Port | Jumper | Jumper | Jumper | Jumper |
| (LPT) | E27 | E28 | E29 | E30 |
|--------------------+---------+---------+---------+---------|
| LPT1: using IRQ7 | closed | open | closed | open |
|--------------------+---------+---------+---------+---------|
| LPT2: using IRQ7 | open | closed | open | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS TYPE CONFIGURATION |
|------------------------------------------------------------|
| BIOS Type | Jumper E4 | Jumper E5 | Jumper E6 |
|---------------+--------------+--------------+--------------|
| 27128 | open | open | closed |
|---------------+--------------+--------------+--------------|
| 27256 | closed | closed | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| OPTIONAL ROM TYPE CONFIGURATION |
|------------------------------------------------------------|
| ROM | Address | Jumper | Jumper | Jumper | Jumper |
| Type | | E10 | E11 | E12 | E13 |
|--------+------------+---------+---------+---------+--------|
| 27128 | F000-F7FFh | open | open | closed | open |
|--------+------------+---------+---------+---------+--------|
| 27128 | E800-EFFFh | open | open | open | closed |
|--------+------------+---------+---------+---------+--------|
| 27256 | E000-EFFFh | closed | closed | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+-----------+----------|
| » | Factory configured - do not | E2 | open |
| | alter | | |
|---+---------------------------------+-----------+----------|
| » | BIOS wait state select one | E3 | open |
|---+---------------------------------+-----------+----------|
| | BIOS wait states select zero | E3 | closed |
|---+---------------------------------+-----------+----------|
| » | Latched PROM BIOS disabled | E7 | open |
|---+---------------------------------+-----------+----------|
| | Latched PROM BIOS enabled | E7 | closed |
|---+---------------------------------+-----------+----------|
| » | Latched PROM BIOS (for optional | E8, E14 & | open |
| | ROMs) disabled | E15 | |
|---+---------------------------------+-----------+----------|
| | Latched PROM BIOS (for optional | E8, E14 & | closed |
| | ROMs) enabled | E15 | |
|---+---------------------------------+-----------+----------|
| » | Optional ROM wait state select | E9 | open |
| | one | | |
|---+---------------------------------+-----------+----------|
| | Optional ROM wait states select | E9 | closed |
| | zero | | |
|---+---------------------------------+-----------+----------|
| » | I/O bus wait states select two | E20 | closed |
| | (at 10MHz operation) | | |
|---+---------------------------------+-----------+----------|
| | I/O bus wait state select one | E20 | open |
| | (at 10MHz operation) | | |
|---+---------------------------------+-----------+----------|
| » | Factory configured - do not | E21 | open |
| | alter | | |
+------------------------------------------------------------+
IMG IMG 3
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS FOR FASTRAM MEMORY BOARD |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | Parity check enabled | E1 | closed |
|---+-----------------------------+---------------+----------|
| | Parity check disabled | E1 | open |
|---+-----------------------------+---------------+----------|
| » | Wait states select zero | E2 | closed |
|---+-----------------------------+---------------+----------|
| | Wait state select one | E2 | open |
|---+-----------------------------+---------------+----------|
| » | Page mode disabled | SW1/switch 5 | closed |
|---+-----------------------------+---------------+----------|
| | Page mode enabled | SW1/switch 5 | open |
|---+-----------------------------+---------------+----------|
| » | Board installed select | SW1/switch 6 | closed |
| | first FASTram board | | |
| | installed | | |
|---+-----------------------------+---------------+----------|
| | Board installed select | SW1/switch 6 | open |
| | second FASTram board | | |
| | installed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION FOR FASTRAM MEMORY BOARD |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 512KB | (18) 41256 | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 1MB | (18) 41256 | (18) 41256 | NONE | NONE |
|--------+------------+------------+------------+------------|
| 1.5MB | (18) 41256 | (18) 41256 | (18) 41256 | NONE |
|--------+------------+------------+------------+------------|
| 2MB | (18) 41256 | (18) 41256 | (18) 41256 | (18) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION FOR FASTRAM MEMORY BOARD |
|------------------------------------------------------------|
| Recognized by |SW1/switch|SW1/switch|SW1/switch|SW1/switch|
| System | 1 | 2 | 3 | 4 |
|----------------+----------+----------+----------+----------|
| 128KB | closed | closed | closed | closed |
|----------------+----------+----------+----------+----------|
| 256KB | open | closed | closed | closed |
|----------------+----------+----------+----------+----------|
| 384KB | closed | open | closed | closed |
|----------------+----------+----------+----------+----------|
| 512KB | open | open | closed | closed |
|----------------+----------+----------+----------+----------|
| 640KB | closed | closed | open | closed |
|----------------+----------+----------+----------+----------|
| 768KB | open | closed | open | closed |
|----------------+----------+----------+----------+----------|
| 896KB | closed | open | open | closed |
|----------------+----------+----------+----------+----------|
| 1024KB | open | open | open | closed |
|----------------+----------+----------+----------+----------|
| 1152KB | closed | closed | closed | open |
|----------------+----------+----------+----------+----------|
| 1280KB | open | closed | closed | open |
|----------------+----------+----------+----------+----------|
| 1408KB | closed | open | closed | open |
|----------------+----------+----------+----------+----------|
| 1536KB | open | open | closed | open |
|----------------+----------+----------+----------+----------|
| 1664KB | closed | closed | open | open |
|----------------+----------+----------+----------+----------|
| 1792KB | open | closed | open | open |
|----------------+----------+----------+----------+----------|
| 1920KB | closed | open | open | open |
|----------------+----------+----------+----------+----------|
| 2048KB | open | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS CONFIGURATION FOR FASTRAM MEMORY BOARD |
|------------------------------------------------------------|
| Base I/O |SW1/switch 7|SW1/switch 8|SW1/switch 9|SW1/switch|
| Address | | | | 10 |
|----------+------------+------------+------------+----------|
| 0208h | closed | closed | closed | closed |
|----------+------------+------------+------------+----------|
| 0218h 1 | open | closed | closed | closed |
|----------+------------+------------+------------+----------|
| 0258h 2 | open | closed | open | closed |
|----------+------------+------------+------------+----------|
| 0268h | closed | open | open | closed |
|----------+------------+------------+------------+----------|
| 02A8h | closed | open | closed | open |
|----------+------------+------------+------------+----------|
| 02B8h | open | open | closed | open |
|----------+------------+------------+------------+----------|
| 02E8h | closed | open | open | open |
|------------------------------------------------------------|
|Note 1 :This setting is recommended when this is the first |
|FASTram Memory Board installed. |
| |
|Note 2 :This setting is recommended when this is the second |
|FASTram Memory Board installed. |
+------------------------------------------------------------+
IMG IMG 4
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS FOR ADVANCED FASTRAM MEMORY |
| BOARD |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+---------+------------|
| » | Factory configured - do not | E0-E1 | pins 2 & 3 |
| | alter | | closed |
|----+--------------------------------+---------+------------|
| » | Board installed select first | E2 | open |
| | FASTram board installed | | |
| | | E4 | closed |
|----+--------------------------------+---------+------------|
| | Board installed select second | E2 | closed |
| | FASTram board installed | | |
| | | E4 | open |
|----+--------------------------------+---------+------------|
| » | Memory installed select as | E3 | closed |
| | expanded | | |
|----+--------------------------------+---------+------------|
| | Memory installed select as | E3 | open |
| | paged | | |
|------------------------------------------------------------|
| Note:Parity, wait states, size, and base I/O address are |
| set using the software configuration utility. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION FOR ADVANCED FASTRAM MEMORY BOARD |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 512KB | (2) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 1MB | (2) 256K x | (2) 256K x | NONE | NONE |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 1.5MB | (2) 256K x | (2) 256K x | (2) 256K x | NONE |
| | 9 | 9 | 9 | |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
| | 9 | 9 | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 1M x 9 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 3MB | (2) 256K x | (2) 256K x | (2) 1M x 9 | NONE |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 5MB | (2) 256K x | (2) 256K x | (2) 1M x 9 | (2) 1M x 9 |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE |
|-------+-------------+------------+------------+------------|
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+