TEXT View Source
# AST RESEARCH, INC.
CUPID Desktop EISA 486/25 & 486/33 (VER. 2)
Model 202351-00X
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)
NPU Options 4167 (on external CPU/Memory module)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN1 | Bus mouse port | J30 |
| (COM1) | | | |
|------------------+----------+-------------------+----------|
| Parallel port | CN2 | Front panel | P11 |
| | | switches & LEDs | |
|------------------+----------+-------------------+----------|
| EISA slave slot | ES | External battery | P14 |
|------------------+----------+-------------------+----------|
| Speaker | J12 | Serial port 2 | P18 |
| | | (COM2) | |
|------------------+----------+-------------------+----------|
| Floppy drive | J20 | 32-bit external | S1 |
| interface (A: | | CPU/Memory module | |
| and B:) | | | |
|------------------+----------+-------------------+----------|
| Third floppy | J21 | 32-bit external | S2 & S3 |
| drive interface | | Memory module | |
| | | slots | |
|------------------+----------+-------------------+----------|
| IDE interface | J22 | Optional ROM | U32 |
| | | (even) | |
|------------------+----------+-------------------+----------|
| IDE interface | J23 | Optional ROM | U33 |
| LED | | (odd) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Factory configured - do not | E1 | open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E2 | closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E3 | open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Password check enabled | E4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Password check disabled | E4 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E5 | open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E6 | closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E7 | pins 2 & 3 |
| | alter | | closed |
+------------------------------------------------------------+
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. |
+------------------------------------------------------------+