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# RELIALOGIC CORPORATION PRIVATE, LTD.
R386DX33 MBC
Processor 80386DX
Processor Speed 33/40MHz
Chip Set UMC
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | J1 | Speaker | J4 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Turbo switch | J2 | Reset switch | J5 |
|-------------------+----------+------------------+----------|
| Turbo LED | J3 | External battery | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------------+--------+----------|
| » | Tag ram not installed in U3 | W2 | Open |
|---+------------------------------------+--------+----------|
| | Tag ram installed in U3 | W2 | Closed |
|---+------------------------------------+--------+----------|
| » | Monitor type select CGA | W11 | Closed |
|---+------------------------------------+--------+----------|
| | Monitor type select | W11 | Open |
| | monochrome/EGA/VGA | | |
|---+------------------------------------+--------+----------|
| » | Battery type select internal | W13 | Closed |
|---+------------------------------------+--------+----------|
| | Battery type select external | W13 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG (U4 & U5) |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (2) 16K x 4 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (2) 16K x 4 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (2) 16K x 4 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (2) 16K x 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| OPTIONAL TAG CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | (U3) | (U6) |
|------------------+--------------------+--------------------|
| 33MHz | (1) 16K x 4 | (1) 16K x 4 |
|------------------+--------------------+--------------------|
| 40MHz | (1) 16K x 6 | (1) 16K x 6 |
|------------------------------------------------------------|
| Note: U3 is used only when more than 16M of memory is |
| installed. U6 is optional and when installed, |
| supports write-back cache. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W3 | W4 | W5 | W6 | W7 |
|----------+----------+----------+---------+--------+--------|
| 32KB | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | N/A |
|----------+----------+----------+---------+--------+--------|
| 64KB | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | N/A |
|----------+----------+----------+---------+--------+--------|
| 128KB | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 |
|----------+----------+----------+---------+--------+--------|
| 256KB | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MATH COPROCESSOR CONFIGURATION (80387) |
|------------------------------------------------------------|
| CPU Type | W1 | W8 | W9 | W10 |
|-------------------+---------+----------+---------+---------|
| » | Not installed | Open | N/A | N/A | Open |
|---+---------------+---------+----------+---------+---------|
| | Synchronous | Closed | pins 1 & | Open | Closed |
| | mode | | 2 closed | | |
|---+---------------+---------+----------+---------+---------|
| | Asynchronous | Closed | pins 2 & | Closed | Closed |
| | mode | | 3 closed | | |
|------------------------------------------------------------|
| Note: For 3167 installation, use default settings and |
| configure in advanced BIOS setup. |
+------------------------------------------------------------+