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# AST RESEARCH, INC.
CUPID Desktop CLEM ISA 486/25 & 486/33 (VER. 2) Models
202360-001 & 202360-002
Processor 80486DX (on external CPU/Memory module)
Processor Speed 25/33MHz
Chip Set AST
Max. Onboard None (16MB on external CPU/Memory module)
DRAM
SRAM Cache None
BIOS AST
Dimensions 330mm x 218mm
I/O Options 32-bit external CPU/Memory module slot,
32-bit external Memory module slot (2), bus
mouse port, floppy drive interface, IDE
interface, parallel port, serial port (2),
SVGA port
NPU Options 4167 (on external CPU/Memory module)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| SVGA port | CN1 | Front panel | P5 |
| | | switches & LEDs | |
|------------------+----------+-------------------+----------|
| Bus mouse port | CN2 | Speaker | P6 |
|------------------+----------+-------------------+----------|
| IDE interface | J14 | External battery | P8 |
| LED | | | |
|------------------+----------+-------------------+----------|
| Serial port 1 | J15 | IDE interface | P11 |
| (COM1) | | | |
|------------------+----------+-------------------+----------|
| Serial port 2 | J16 | 32-bit external | S1 |
| (COM2) | | CPU/Memory module | |
|------------------+----------+-------------------+----------|
| Parallel port | J17 | 32-bit external | S2 & S3 |
| | | Memory module | |
| | | slots | |
|------------------+----------+-------------------+----------|
| Floppy drive | P3 | Optional ROM | U1 |
| interface (A: | | (even) | |
| and B:) | | | |
|------------------+----------+-------------------+----------|
| Third floppy | P4 | Optional ROM | U2 |
| drive interface | | (odd) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Switch | Position |
| | SW1 | |
|------------------------------------+-----------+-----------|
| » | Password check enabled | switch 1 | open |
|---+--------------------------------+-----------+-----------|
| | Password check disabled | switch 1 | closed |
|---+--------------------------------+-----------+-----------|
| » | Factory configured - do not | switch 2 | open |
| | alter | | |
|---+--------------------------------+-----------+-----------|
| » | Factory configured - do not | switch 3 | open |
| | alter | | |
|---+--------------------------------+-----------+-----------|
| » | Monitor type select analog VGA | switch 4 | open |
|---+--------------------------------+-----------+-----------|
| | Monitor type select | switch 4 | closed |
| | multifrequency VGA | | |
|---+--------------------------------+-----------+-----------|
| » | VGA port enabled (see note) | switch 5 | closed |
|---+--------------------------------+-----------+-----------|
| | VGA port disabled | switch 5 | open |
|------------------------------------------------------------|
| Note:On model 202360-002 the on-board VGA port has been |
| removed; SW1/switch 5 should be open. |
+------------------------------------------------------------+
IMG IMG 2
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+-----------+-------------|
| » | Parity check enabled | E1 | closed |
|------+---------------------------+-----------+-------------|
| | Parity check disabled | E1 | open |
|------------------------------------------------------------|
| Note:AST CPU/Memory module part number is 202397-001, |
| 202397-002, 202397-005, 202397-008, |
| |
| or 202397-009 for 25MHz systems or 202397-003, 202397-004, |
| 202397-006, 202397-007, |
| |
| 202397-010, or 202397-011 for 33MHz systems. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+----------------------+---------------------|
| 2MB | (2) 1M x 9 | NONE |
|---------------+----------------------+---------------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 |
|---------------+----------------------+---------------------|
| 8MB | (2) 4M x 9 | NONE |
|---------------+----------------------+---------------------|
| 10MB | (2) 1M x 9 | (2) 4M x 9 |
|---------------+----------------------+---------------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 |
|------------------------------------------------------------|
| Notes: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. |
+------------------------------------------------------------+