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# AST RESEARCH, INC.
ADVANTAGE! MEMORY EXPANSION AND I/O BOARD
Card Type Multi-I/O card
Chip Set Unidentified
Maximum Onboard 3MB DRAM (with daughter board)
Memory
I/O Options Game port, parallel port, serial ports (2),
Advantage-Pak memory card
Data Bus 16-bit ISA
Floppy drives None
supported
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------+-------+-------------------------+-------|
| Parallel port | J1 | Game port | J4 |
|------------------+-------+-------------------------+-------|
| Serial port 1 | J2 | Advantage-Pak connector | J5 |
|------------------+-------+-------------------------+-------|
| Serial port 2 | J3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| » | Serial port 1 CTS input forced true | J7/A | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 1 CTS normal | J7/A | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 1 CTS normal | J7/B | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 1 CTS input forced true | J7/B | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 1 DSR input forced true | J7/C | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 1 DSR normal | J7/C | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 1 DSR normal | J7/D | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 1 DSR input forced true | J7/D | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 1 DCD input forced true | J7/E | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 1 DCD input normal | J7/E | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 1 DCD normal | J7/F | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 1 DCD forced true | J7/F | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 2 CTS input forced true | J8/A | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 2 CTS normal | J8/A | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 2 CTS normal | J8/B | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 2 CTS input forced true | J8/B | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 2 DSR input forced true | J8/C | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 2 DSR normal | J8/C | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 2 DSR normal | J8/D | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 2 DSR input forced true | J8/D | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS (CON’T) |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| » | Serial port 2 DCD input forced true | J8/E | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 2 DCD input normal | J8/E | Open |
|---+-------------------------------------+-------+----------|
| » | Serial port 2 DCD normal | J8/F | Closed |
|---+-------------------------------------+-------+----------|
| | Serial port 2 DCD forced true | J8/F | Open |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW1/6 | N/A |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW1/7 | N/A |
|---+-------------------------------------+-------+----------|
| | Parity enabled | SW1/8 | On |
|---+-------------------------------------+-------+----------|
| | Parity Disabled | SW1/8 | Off |
|---+-------------------------------------+-------+----------|
| | Game port enabled | SW2/6 | On |
|---+-------------------------------------+-------+----------|
| | Game port disabled | SW2/6 | Off |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW2/7 | N/A |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW2/8 | N/A |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW3/8 | N/A |
+------------------------------------------------------------+
+-----------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|-----------------------------------------------------------------|
|Bank0|Bank1|Bank2|Bank3|Bank4|Bank5|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|None |None |None |None |None | Off | Off | Off | Off | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|512KB|None |None |None |None |None | Off | Off | On | On | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|None |None |None |None | Off | Off | Off | On | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|512KB|None |None |None |None | On | Off | Off | Off | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|512KB|512KB|None |None |None |None | Off | On | Off | Off | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|None |None |None | Off | Off | Off | On | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|512KB|None |None |None | On | Off | On | Off | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|512KB|512KB|None |None |None | On | Off | Off | Off | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|512KB|512KB|512KB|None |None |None | Off | On | Off | Off | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|128KB|None |None | Off | Off | On | Off | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|512KB|None |None | On | On | Off | Off | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|512KB|512KB|None |None | On | Off | On | On | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|512KB|512KB|512KB|None |None | On | Off | Off | On | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|512KB|512KB|512KB|512KB|None |None | Off | On | Off | On | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|128KB|128KB|None | Off | Off | On | Off | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|128KB|512KB|None | On | On | On | Off | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|512KB|512KB|None | On | On | Off | On | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|512KB|512KB|512KB|None | On | Off | On | On | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|512KB|512KB|512KB|512KB|None | On | Off | Off | On | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|512KB|512KB|512KB|512KB|512KB|None | Off | On | Off | On | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|128KB|128KB|128KB| Off | Off | On | On | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|128KB|128KB|512KB| On | On | On | On | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|128KB|512KB|512KB| On | On | On | Off | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|128KB|512KB|512KB|512KB| On | On | Off | On | On |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|128KB|512KB|512KB|512KB|512KB| On | On | Off | Off | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|128KB|512KB|512KB|512KB|512KB|512KB| On | Off | On | Off | Off |
|-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
|512KB|512KB|512KB|512KB|512KB|512KB| Off | On | On | Off | Off |
+-----------------------------------------------------------------+
+------------------------------------------------------------+
| SPLIT MEMORY ADDRESSING SELECTION |
|------------------------------------------------------------|
|Address | SW3/1 | SW3/2 | SW3/3 |SW3/4 |SW3/5 |SW3/6 |SW3/7 |
|--------+-------+-------+-------+------+------+------+------|
|256KB AT| On | On | On | On | On | Off | On |
|--------+-------+-------+-------+------+------+------+------|
|512KB AT| On | On | On | On | Off | On | On |
|--------+-------+-------+-------+------+------+------+------|
|512KB AT| On | On | On | Off | On | On | On |
|--------+-------+-------+-------+------+------+------+------|
|612KB AT| On | On | On | Off | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT(S) ADDRESS SWITCH SELECTION (ONE SERIAL PORT) |
|------------------------------------------------------------|
| Number of Serial ports in AT | SW2/1 | SW2/2 | SW2/3 |
|--------------------------------+---------+--------+--------|
| 0 | On | Off | Off |
|--------------------------------+---------+--------+--------|
| 1 | Off | On | Off |
|--------------------------------+---------+--------+--------|
| 2 | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT(S) ADDRESS SELECTION (TWO SERIAL PORTS) |
|------------------------------------------------------------|
| Serial port 1 | Serial port 2 | J6/A | J6/B | J6/C |
| Setting | Setting | | | |
|-------------------+---------------+------+--------+--------|
| COM1 (3F8h) | Disabled | Open | Open | Closed |
|-------------------+---------------+------+--------+--------|
| COM2 (2F8h) | Disabled | Open | Closed | Open |
|-------------------+---------------+------+--------+--------|
| Disabled | Disabled | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT(S) ADDRESS SWITCH SELECTION (TWO SERIAL PORTS) |
|------------------------------------------------------------|
| Number of Serial ports in AT | SW2/1 | SW2/2 | SW2/3 |
|--------------------------------+---------+--------+--------|
| 0 | On | Off | On |
|--------------------------------+---------+--------+--------|
| 1 | Off | On | Off |
|--------------------------------+---------+--------+--------|
| 2 | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT(S) ADDRESS SELECTION (ONE SERIAL PORT) |
|------------------------------------------------------------|
| Serial port 1 | Serial port 2 | J6/A | J6/B | J6/C |
| Setting | Setting | | | |
|-----------------+---------------+--------+--------+--------|
| COM1 (3F8h) | Disabled | Closed | Open | Closed |
|-----------------+---------------+--------+--------+--------|
| COM2 (2F8h) | Disabled | Open | Closed | Open |
|-----------------+---------------+--------+--------+--------|
| Disabled | Disabled | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SWITCH SELECTION (COLOR-TYPE DISPLAY |
| CARD) |
|------------------------------------------------------------|
| Number of Parallel ports in AT | SW2/4 | SW2/5 |
|------------------------------------+-----------+-----------|
| 0 | On | Off |
|------------------------------------+-----------+-----------|
| 1 | Off | On |
|------------------------------------+-----------+-----------|
| 2 | Off | Off |
|------------------------------------+-----------+-----------|
| 3 | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION (COLOR-TYPE DISPLAY CARD) |
|------------------------------------------------------------|
| IRQ | J6/D | J6/E |
|---------------------+-------------------+------------------|
| LPT1 | Open | Closed |
|---------------------+-------------------+------------------|
| LPT2 | Closed | Open |
|---------------------+-------------------+------------------|
| Disabled | Open | Open |
|---------------------+-------------------+------------------|
| Disabled | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SWITCH SELECTION (MONOCHROME-TYPE |
| DISPLAY CARD) |
|------------------------------------------------------------|
| Number of Parallel ports in AT | SW2/4 | SW2/5 |
|------------------------------------+-----------+-----------|
| 1 | Off | On |
|------------------------------------+-----------+-----------|
| 2 | Off | Off |
|------------------------------------+-----------+-----------|
| 3 | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION (MONOCHROME-TYPE DISPLAY |
| CARD) |
|------------------------------------------------------------|
| IRQ | J6/D | J6/E |
|----------------------+------------------+------------------|
| LPT2 | Open | Closed |
|----------------------+------------------+------------------|
| LPT3 | Closed | Open |
|----------------------+------------------+------------------|
| Disabled | Open | Open |
|----------------------+------------------+------------------|
| Disabled | Open | Open |
+------------------------------------------------------------+
AST RESEARCH, INC.
ADVANTAGE-PAK
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label |
|-------------------------------+----------------------------|
| Advantage-Pak connector | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TOTAL DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank | Bank | Bank | Bank | Bank |
| | | 1 | 2 | 3 | 4 | 5 |
|-----------+--------+-------+-------+-------+-------+-------|
| 128KB | (18) | None | None | None | None | None |
| | 4164 | | | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 256KB | (18) | (18) | None | None | None | None |
| | 4164 | 4164 | | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 384KB | (18) | (18) | (18) | None | None | None |
| | 4164 | 4164 | 4164 | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB(A) | (18) | (18) | (18) | (18) | None | None |
| | 4164 | 4164 | 4164 | 4164 | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 512KB(B) | (18) | None | None | None | None | None |
| | 41256 | | | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 640KB(A) | (18) | (18) | None | None | None | None |
| | 4164 | 41256 | | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 640KB(B) | (18) | (18) | (18) | (18) | (18) | None |
| | 4164 | 4164 | 4164 | 4164 | 4164 | |
|-----------+--------+-------+-------+-------+-------+-------|
| 768KB(A) | (18) | (18) | (18) | None | None | None |
| | 4164 | 4164 | 41256 | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 768KB(B) | (18) | (18) | (18) | (18) | (18) | (18) |
| | 4164 | 4164 | 4164 | 4164 | 4164 | 4164 |
|-----------+--------+-------+-------+-------+-------+-------|
| 896KB | (18) | (18) | (18) | (18) | None | None |
| | 4164 | 4164 | 4164 | 41256 | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 1024KB(A) | (18) | (18) | None | None | None | None |
| | 41256 | 41256 | | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 1024KB(B) | (18) | (18) | (18) | (18) | (18) | None |
| | 4164 | 4164 | 4164 | 4164 | 41256 | |
|-----------+--------+-------+-------+-------+-------+-------|
| 1152KB(A) | (18) | (18) | (18) | None | None | None |
| | 4164 | 41256 | 41256 | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 1152KB(B) | (18) | (18) | (18) | (18) | (18) | (18) |
| | 4164 | 4164 | 4164 | 4164 | 4164 | 41256 |
|-----------+--------+-------+-------+-------+-------+-------|
| 1536KB | (18) | (18) | (18) | None | None | None |
| | 41256 | 41256 | 41256 | | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 1664KB | (18) | (18) | (18) | (18) | None | None |
| | 4164 | 41256 | 41256 | 41256 | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 2048KB | (18) | (18) | (18) | (18) | None | None |
| | 41256 | 41256 | 41256 | 41256 | | |
|-----------+--------+-------+-------+-------+-------+-------|
| 2176KB | (18) | (18) | (18) | (18) | (18) | None |
| | 4164 | 41256 | 41256 | 41256 | 41256 | |
|-----------+--------+-------+-------+-------+-------+-------|
| 2560KB | (18) | (18) | (18) | (18) | (18) | None |
| | 41256 | 41256 | 41256 | 41256 | 41256 | |
|-----------+--------+-------+-------+-------+-------+-------|
| 2688KB | (18) | (18) | (18) | (18) | (18) | (18) |
| | 4164 | 41256 | 41256 | 41256 | 41256 | 41256 |
|-----------+--------+-------+-------+-------+-------+-------|
| 3072KB | (18) | (18) | (18) | (18) | (18) | (18) |
| | 41256 | 41256 | 41256 | 41256 | 41256 | 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| Note: CN1 is located on the back side of the daughter |
| board. |
+------------------------------------------------------------+