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# AST RESEARCH, INC.
CUPID Desktop ISA 386/33 (ver. 1)Models 202273-002, 202356-003
& 202356-004
Processor 80386DX (on external CPU/Memory module)
Processor Speed 33MHz
Chip Set AST
Max. Onboard None (4MB on external CPU/Memory module)
DRAM
SRAM Cache None (32KB on external CPU/Memory module)
BIOS AST
Dimensions 330mm x 218mm
I/O Options 32-bit external CPU/Memory module slot,
32-bit external Memory module slot (2)
floppy drive interface, IDE interface,
parallel port, serial port (2), SMART
expansion/16-bit ISA expansion slots (3)
NPU Options 80387/3167 (on external CPU/Memory module)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Serial port 1 | CN1 | External battery | P8 |
| (COM1) | | | |
|---------------+----------+----------------------+----------|
| Parallel port | CN2 | IDE interface | P11 |
|---------------+----------+----------------------+----------|
| IDE interface | J14 | SMART | S1, S2 & |
| LED | | expansion/16-bit ISA | S3 |
|---------------+----------+----------------------+----------|
| Serial port 2 | P2 | 32-bit external | S4 |
| (COM2) | | CPU/Memory module | |
|---------------+----------+----------------------+----------|
| Floppy drive | P3 | 32-bit external | S5 |
| interface (A: | | Memory module slot | |
| and B:) | | | |
|---------------+----------+----------------------+----------|
| Third floppy | P4 | 32-bit external | S6 |
| drive | | Memory module slot | |
| interface | | | |
|---------------+----------+----------------------+----------|
| Front panel | P5 | Optional ROM (even) | U12 |
| switches & | | | |
| LEDs | | | |
|---------------+----------+----------------------+----------|
| Speaker | P6 | Optional ROM (odd) | U38 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------------+--------+---------------|
| » | Password check enabled | E1 | pins 2 & 3 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| | Password check disabled | E1 | pins 1 & 2 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| » | POST select normal operation | E2 | open |
|---+-------------------------------+--------+---------------|
| | POST select continuous loop | E2 | closed |
|---+-------------------------------+--------+---------------|
| » | Keyboard select installed | E3 | open |
|---+-------------------------------+--------+---------------|
| | Keyboard select not installed | E3 | closed |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------------+--------+----------|
| » | Parity check enabled | E1 | closed |
|---+------------------------------------+--------+----------|
| | Parity check disabled | E1 | open |
|---+------------------------------------+--------+----------|
| » | Factory configured - do not alter | E2 | open |
|------------------------------------------------------------|
| Note:AST CPU/Memory module part number is 202347-002. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+------------+------------+------------+-----------|
| 1MB | (1) 1M x 9 | NONE | NONE | NONE |
|---------+------------+------------+------------+-----------|
| 2MB | (1) 1M x 9 | (1) 1M x 9 | NONE | NONE |
|---------+------------+------------+------------+-----------|
| 3MB | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 | NONE |
|---------+------------+------------+------------+-----------|
| 4MB | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x |
| | | | | 9 |
|------------------------------------------------------------|
| Notes:32KB of SRAM Cache is on the CPU/Memory module. |
| 128KB of DRAM is reserved for System |
| |
| and VGA BIOS shadowing and cannot be disabled. Up to two |
| of the following memory boards |
| |
| may be installed in addition to the CPU/Memory module: AST |
| part numbers 202275-002, |
| |
| 202275-004, 202275-006, 202387-001, or 202387-005. |
+------------------------------------------------------------+