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# AST RESEARCH, INC.
PREMIUM 386/16 (MODEL 202322-001)
Processor 80386DX
Processor Speed 16MHz
Chip Set AST
Max. Onboard 8MB (plus 2 or 8MB on external memory card)
DRAM
Cache None
BIOS AST
Dimensions 330mm x 218mm
I/O Options 32-bit external memory/CPU card slot (2),
floppy drive interface
parallel port, serial port
NPU Options 80387
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| 32-bit external | CN1 | Front panel | J23 |
| memory/CPU card | | switches & LEDs | |
|--------------------+----------+-----------------+----------|
| 32-bit external | CN2 | Speaker | J24 |
| memory/CPU card | | | |
|--------------------+----------+-----------------+----------|
| Floppy drive | J19 | Optional ROM | U11 |
| interface (A: and | | (odd) | |
| B:) | | | |
|--------------------+----------+-----------------+----------|
| Third floppy drive | J20 | Optional ROM | U13 |
| interface | | (even) | |
|--------------------+----------+-----------------+----------|
| External battery | J22 | | |
+------------------------------------------------------------+
(IMG) IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Serial port 1 | COM1 | Keyboard | KYBD |
|---------------------+----------+----------------+----------|
| Parallel port | LPT1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Serial Port | Jumper E22-E23 | Jumper E28 | Jumper E29 |
| (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 |
| (LPT1) | E24 | E25 | E26 | E27 |
|--------------------+---------+---------+---------+---------|
| LPT1: using IRQ7 | Closed | Open | Closed | Open |
|--------------------+---------+---------+---------+---------|
| LPT2: using IRQ7 | Open | Closed | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS TYPE CONFIGURATION |
|------------------------------------------------------------|
| BIOS Type | Jumper E3 | Jumper E4 | Jumper E5 |
|---------------+--------------+--------------+--------------|
| 27128 | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 27256 | Closed | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| OPTIONAL ROM TYPE CONFIGURATION |
|------------------------------------------------------------|
| ROM | Address | Jumper | Jumper | Jumper | Jumper |
| Type | | E9 | E10 | E11 | E12 |
|--------+------------+---------+---------+---------+--------|
| 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 |
|------------------------------------+----------+------------|
| | NPU speed select 8MHz | E1 and | Open |
| | | E16 | |
| | | | Closed |
| | | E15 | |
|---+--------------------------------+----------+------------|
| | NPU speed select 5MHz | E1 and | Closed |
| | | E16 | |
| | | | Open |
| | | E15 | |
|---+--------------------------------+----------+------------|
| » | BIOS wait state select one | E2 | Open |
|---+--------------------------------+----------+------------|
| | BIOS wait states select zero | E2 | Closed |
|---+--------------------------------+----------+------------|
| » | Latched PROM BIOS disabled | E6 | Open |
|---+--------------------------------+----------+------------|
| | Latched PROM BIOS enabled | E6 | Closed |
|---+--------------------------------+----------+------------|
| » | Latched PROM BIOS (for | E7 and | Open |
| | optional ROMs) disabled | E14 | |
|---+--------------------------------+----------+------------|
| | Latched PROM BIOS (for | E7 and | Closed |
| | optional ROMs) enabled | E14 | |
|---+--------------------------------+----------+------------|
| » | Optional ROM wait state select | E8 | Open |
| | one | | |
|---+--------------------------------+----------+------------|
| | Optional ROM wait states | E8 | Closed |
| | select zero | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | E13 | Open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | I/O bus wait states select two | E17 | Closed |
| | (at 10MHz operation) | | |
|---+--------------------------------+----------+------------|
| | I/O bus wait state select one | E17 | Open |
| | (at 10MHz operation) | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | E18 | Open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | E19-E20 | pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | E21 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured - do not | E31-E32 | pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive interface enabled | E33 | Open |
|---+--------------------------------+----------+------------|
| | Floppy drive interface | E33 | Closed |
| | disabled | | |
|---+--------------------------------+----------+------------|
| » | Early Address Latch Enabled | E40 | Closed |
| | (#EALE) signal | | |
|---+--------------------------------+----------+------------|
| | Buffered Address Latch Enable | E40 | Open |
| | (#BALE) signal | | |
+------------------------------------------------------------+
(IMG) IMG 3
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | NPU enabled | E1 | Closed |
|---+-----------------------------+---------------+----------|
| | NPU disabled | E1 | Open |
|---+-----------------------------+---------------+----------|
| » | Factory configured - do not | E2 | Open |
| | alter | | |
|---+-----------------------------+---------------+----------|
| » | Parity check enabled | SW1/switch 4 | Open |
|---+-----------------------------+---------------+----------|
| | Parity check disabled | SW1/switch 4 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/switch | SW1/switch | SW1/switch | Bank | Bank |
| | 1 | 2 | 3 | 0 | 1 |
|-------+------------+------------+------------+------+------|
| 1MB | open | open | open | (4) | NONE |
| | | | | 256K | |
| | | | | x 9 | |
|-------+------------+------------+------------+------+------|
| 2MB | closed | open | open | (4) | (4) |
| | | | | 256K | 256K |
| | | | | x 9 | x 9 |
|-------+------------+------------+------------+------+------|
| 4MB | open | closed | open | (4) | NONE |
| | | | | 1M x | |
| | | | | 9 | |
|-------+------------+------------+------------+------+------|
| 5MB | closed | open | closed | (4) | (4) |
| | | | | 256K | 1M x |
| | | | | x 9 | 9 |
|-------+------------+------------+------------+------+------|
| 8MB | closed | closed | closed | (4) | (4) |
| | | | | 1M x | 1M x |
| | | | | 9 | 9 |
|------------------------------------------------------------|
| Note:On the FASTram Memory Board (when used), SW1/switch 5 |
| should be in the open position and |
| |
| SW1/switch 6 to SW1/switch 10 should be left in their |
| default positions. |
+------------------------------------------------------------+
(IMG) IMG 4
+------------------------------------------------------------+
| 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 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
(IMG) IMG 5
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+