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# DIVERSIFIED TECHNOLOGIES
MBC1013
Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set Intel
Max. Onboard 32MB
DRAM
Cache 64/128/256KB
BIOS ETI
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface,
parallel port, serial ports (2), VGA port
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | J1 | External battery | J7 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J2 | Floppy drive | J11 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Turbo switch | J3 | Serial port 2 | J12 |
|-------------------+----------+------------------+----------|
| Reset switch | J4 | IDE interface | J13 |
|-------------------+----------+------------------+----------|
| Turbo LED | J5 | VGA port | J14 |
|-------------------+----------+------------------+----------|
| IDE interface LED | J6 | Serial port 1 | J15 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select color | E17 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | E17 | Open |
|---+----------------------------------+--------+------------|
| » | Battery select internal | E19 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery select external | E19 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | E19 | Open |
|---+----------------------------------+--------+------------|
| » | Floppy drive speed select single | E20 | Open |
|---+----------------------------------+--------+------------|
| | Floppy drive speed select dual | E20 | Closed |
|---+----------------------------------+--------+------------|
| » | Floppy drive interface write | E21 | Closed |
| | pre-compensation select normal | | |
|---+----------------------------------+--------+------------|
| | Floppy drive interface write | E21 | Open |
| | pre-compensation select | | |
| | alternate | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E22 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E23 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E24 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E25 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | E26 | pins 1 & 2 |
| | alter | | 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 |
|------------------+--------------------+--------------------|
| 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 | TAG | Dirty |
| | | | (U4) | (U5) | Bit(U15) |
|-------+----------+----------+--------+--------+------------|
| 64KB | (4) 8K x | (4) 8K x | (1) 8K | NONE | (1) 64K x |
| | 8 | 8 | x 8 | | 1 |
|-------+----------+----------+--------+--------+------------|
| 128KB | (4) 32K | NONE | (1) 8K | NONE | (1) 64K x |
| | x 8 | | x 8 | | 1 |
|-------+----------+----------+--------+--------+------------|
| 256KB | (4) 32K | (4) 32K | (1) 8K | (1) 8K | (1) 64K x |
| | x 8 | x 8 | x 8 | x 8 | 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Cache Size | E1 | E3 | E4 | E5 |
|------------+---------+--------+-------------------+--------|
| 64KB | Open | Open | pins 2 & 3 closed | Open |
|------------+---------+--------+-------------------+--------|
| 128KB | Closed | Closed | pins 1 & 2 closed | Open |
|------------+---------+--------+-------------------+--------|
| 256KB | Closed | Closed | pins 2 & 3 closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | E10 | E11 | E12 | E13 | E14 |
|----------+---------+---------+---------+---------+---------|
| 20MHz | Closed | Open | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 25MHz | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 33MHz | Open | Open | Closed | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 40MHz | Open | Open | Open | Closed | Open |
|----------+---------+---------+---------+---------+---------|
| 50iMHz | Open | Closed | Open | Open | Open |
|----------+---------+---------+---------+---------+---------|
| 50MHz | Open | Open | Open | Open | Closed |
|----------+---------+---------+---------+---------+---------|
| 66iMHz | Open | Open | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | E2 | E6 | E7 |
|-----------+-------------------+-------------------+--------|
| 80486SX | pins 2 & 3 closed | Open | Open |
|-----------+-------------------+-------------------+--------|
| 80487SX | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
|-----------+-------------------+-------------------+--------|
| ODP486SX | pins 1 & 2 closed | pins 2 & 3 closed | Closed |
|-----------+-------------------+-------------------+--------|
| 80486DX | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
|-----------+-------------------+-------------------+--------|
| 80486DX2 | pins 1 & 2 closed | pins 1 & 2 closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VGA PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | E8 | E27 | E28 |
|---------------------+------------+------------+------------|
| » | VGA port | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | enabled | closed | closed | closed |
|---+-----------------+------------+------------+------------|
| | VGA port | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | disabled | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| IRQ | E15 | E16 |
|-------------------+--------------------+-------------------|
| IRQ7 | Closed | Open |
|-------------------+--------------------+-------------------|
| IRQ5 | Open | Closed |
+------------------------------------------------------------+