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# UNIDENTIFIED
M317C
Processor 80386DX
Processor Speed 25/33/40MHz
Chip Set PC Chips
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options Proprietary slot
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| External | J1 | Speaker | J6 |
| battery | | | |
|-----------------+----------+--------------------+----------|
| Reset switch | J3 | Power LED & | J7 |
| | | keylock | |
|-----------------+----------+--------------------+----------|
| Turbo LED | J4 | Proprietary slot | SL1 |
|-----------------+----------+--------------------+----------|
| Turbo switch | J5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------------+--------+----------|
| » | Battery type select internal | W1 | Closed |
|---+------------------------------------+--------+----------|
| | Battery type select none installed | W1 | Open |
|---+------------------------------------+--------+----------|
| » | Monitor type select monochrome | W2 | Open |
|---+------------------------------------+--------+----------|
| | Monitor type select color | W2 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 1M x 9 | (4) 256K 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 |
|----------+------------------+---------------+--------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
|----------+------------------+---------------+--------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|----------+------------------+---------------+--------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|----------+------------------+---------------+--------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------------------------------------------------------|
| Note: To configure cache in write back mode, install (1) |
| 16K x 4 chip in U47. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | W6 |
|---------------------------------+--------------------------|
| < = 16MB | Closed |
|---------------------------------+--------------------------|
| > 16MB | Open |
|------------------------------------------------------------|
| Note: To configure cache main memory over 16MB, install |
| (1) 16K x 4 chip in U39. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W7 | W8 | W9 | W10 | W11 | W12 |
|--------+--------+--------+--------+--------+-------+-------|
| 32KB | 2 & 3 | N/A | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 64KB | 1 & 2 | N/A | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 128KB | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 256KB | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CONFIGURATION |
|------------------------------------------------------------|
| Setting | W3 | W4 | W5 |
|---------------+-------------------+------------+-----------|
| Not installed | pins 2 & 3 closed | Open | Open |
|---------------+-------------------+------------+-----------|
| Installed | pins 1 & 2 closed | Closed | Closed |
+------------------------------------------------------------+