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# BEC COMPUTER ENTERPRISES
SPM 386-33C
Processor 80386DX
Processor Speed 33MHz
Chip Set C & T
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J3 | Turbo LED | J13 |
|-------------------+----------+------------------+----------|
| Reset switch | J5 | Speaker | J14 |
|-------------------+----------+------------------+----------|
| Power LED & | J10 | 32-bit external | S1 |
| Keylock | | memory card | |
|-------------------+----------+------------------+----------|
| Turbo switch | J12 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------------+--------+----------|
| » | CMOS memory normal operation | J2 | Open |
|---+------------------------------------+--------+----------|
| | CMOS memory clear | J2 | Closed |
|---+------------------------------------+--------+----------|
| » | Monitor type select monochrome | J4 | Open |
|---+------------------------------------+--------+----------|
| | Monitor type select color | J4 | Closed |
|---+------------------------------------+--------+----------|
| » | NPU mode select synchronous with | J11 | Open |
| | CPU | | |
|---+------------------------------------+--------+----------|
| | NPU mode select asynchronous with | J11 | Closed |
| | CPU | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|-----------+------------------------+-----------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|-----------+------------------------+-----------------------|
| 16MB | (4) 4M x 9 | NONE |
|-----------+------------------------+-----------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG (U28 & | TAG (U34) |
| | | | U32) | |
|-------+-------------+------------+------------+------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (2) 16K x | NONE |
| | | | 4 | |
|-------+-------------+------------+------------+------------|
| 128KB | (4) 32K x 8 | NONE | (2) 16K x | NONE |
| | | | 4 | |
|-------+-------------+------------+------------+------------|
| 256KB | (4) 32K x 8 | (4) 32K x | (2) 16K x | (1) 16K x |
| | | 8 | 4 | 4 |
|------------------------------------------------------------|
| Note: Bank 0 = U2, U3, U15, & U21. Bank 1 = U10, U11, U16, |
| & U20. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W1 | W2 | W3 | W4 | W5 |
|-------+----------+----------+----------+---------+---------|
| 64KB | pins 2 & | pins 2 & | pins 2 & | pins 2 | Open |
| | 3 closed | 3 closed | 3 closed | & 3 | |
| | | | | closed | |
|-------+----------+----------+----------+---------+---------|
| 128KB | Open | pins 1 & | pins 1 & | pins 1 | pins 2 |
| | | 2 closed | 2 closed | & 2 | & 3 |
| | | | | closed | closed |
|-------+----------+----------+----------+---------+---------|
| 256KB | pins 1 & | pins 1 & | pins 1 & | pins 1 | pins 1 |
| | 2 closed | 2 closed | 2 closed | & 2 | & 2 |
| | | | | closed | closed |
+------------------------------------------------------------+