(TXT) View Source
# CHEERFUL INTERNATIONAL CORP.
CT33DX
Processor 80386DX
Processor Speed 33MHz
Chip Set Elite
Max. Onboard DRAM 32MB
Cache 64/128KB
BIOS MR
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card
NPU Options 80387/3167
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | JP5 | Speaker | JP11 |
|-------------------+----------+------------------+----------|
| Reset switch | JP9 | 32-bit external | S16 |
| | | memory card | |
|-------------------+----------+------------------+----------|
| Power LED & | JP10 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | JP1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP6 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP6 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+--------------+-------------+-----------+----------|
| 1MB | (4) 256K x 9 | NONE | NONE | NONE |
|--------+--------------+-------------+-----------+----------|
| 2MB | (4) 256K x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|--------+--------------+-------------+-----------+----------|
| 3MB | (4) 256K x 9 | (4) 256K x | (4) 256K | NONE |
| | | 9 | x 9 | |
|--------+--------------+-------------+-----------+----------|
| 4MB | (4) 256K x 9 | (4) 256K x | (4) 256K | (4) 256K |
| | | 9 | x 9 | x 9 |
|--------+--------------+-------------+-----------+----------|
| 5MB | (4) 256K x 9 | (4) 1 M x 9 | NONE | NONE |
|--------+--------------+-------------+-----------+----------|
| 6MB | (4) 256K x 9 | (4) 256K x | (4) 1M x | NONE |
| | | 9 | 9 | |
|--------+--------------+-------------+-----------+----------|
| 7MB | (4) 256K x 9 | (4) 256K x | (4) 256K | (4) 1M x |
| | | 9 | x 9 | 9 |
|--------+--------------+-------------+-----------+----------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|--------+--------------+-------------+-----------+----------|
| 9MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K | NONE |
| | | | x 9 | |
|--------+--------------+-------------+-----------+----------|
| 10MB | (4) 256K x 9 | (4) 256K x | (4) 1M x | (4) 1M x |
| | | 9 | 9 | 9 |
|--------+--------------+-------------+-----------+----------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | NONE |
| | | | 9 | |
|--------+--------------+-------------+-----------+----------|
| 13MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | (4) 256K |
| | | | 9 | x 9 |
|--------+--------------+-------------+-----------+----------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | (4) 1M x |
| | | | 9 | 9 |
|--------+--------------+-------------+-----------+----------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 | NONE | NONE |
|--------+--------------+-------------+-----------+----------|
| 24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x | NONE |
| | | | 9 | |
|--------+--------------+-------------+-----------+----------|
| 28MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x | (4) 4M x |
| | | | 9 | 9 |
|--------+--------------+-------------+-----------+----------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE |
|--------+--------------+-------------+-----------+----------|
| 36MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x | NONE |
| | | | 9 | |
|--------+--------------+-------------+-----------+----------|
| 40MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x | (4) 4M x |
| | | | 9 | 9 |
|--------+--------------+-------------+-----------+----------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x | NONE |
| | | | 9 | |
|--------+--------------+-------------+-----------+----------|
| 49MB | (4) 256K x 9 | (4) 4M x 9 | (4) 4M x | (4) 4M x |
| | | | 9 | 9 |
|--------+--------------+-------------+-----------+----------|
| 52MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x | (4) 4M x |
| | | | 9 | 9 |
|--------+--------------+-------------+-----------+----------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x | (4) 4M x |
| | | | 9 | 9 |
|------------------------------------------------------------|
| Note:Banks 2 and 3 are used when a 32-bit external memory |
| card is installed at S1. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 64KB | (8) 8K x 8 | NONE |
|------------------+--------------------+--------------------|
| 128KB | (8) 8K x 8 | (8) 8K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP3 | JP4 |
|------------------+--------------------+--------------------|
| 64KB | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 128KB | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+