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# MYLEX CORPORATION
MTI 386
Processor 80386DX
Processor Speed 25/33MHz
Chip Set TI
Max. Onboard 32MB
DRAM
Cache 32/64/128KB
BIOS Mylex
Dimensions 330.2mm x 218.4mm
I/O Options Floppy drive interface, IDE interface,
parallel port, serial ports (2)
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| External battery | J1 | Power LED & | J7 |
| | | keylock | |
|----------------------+----------+---------------+----------|
| Parallel port | J2 | Speaker | J8 |
|----------------------+----------+---------------+----------|
| Serial port (COM1) | J3 | Turbo LED | J9 |
|----------------------+----------+---------------+----------|
| Serial port (COM2) | J4 | Reset switch | J10 |
|----------------------+----------+---------------+----------|
| Floppy drive | J5 | IDE interface | J11 |
| interface | | LED | |
|----------------------+----------+---------------+----------|
| IDE interface | J6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE JUMPERS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select color | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Parallel port (J2) interrupt | JP2 | pins 1 & 2 |
| | select IRQ7 | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port (J2) interrupt | JP2 | pins 2 & 3 |
| | select IRQ5 | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP3 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | I/O ports (J2-J6) enabled | JP4 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | I/O ports (J2-J6) disabled | JP4 | pins 2 & 3 |
| | | | 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 |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 32KB | (4) 8K x 8 | NONE |
|------------------+--------------------+--------------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP5 |
|----------------------------+-------------------------------|
| 32KB | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 64KB | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 128KB | pins 1 & 2 closed |
+------------------------------------------------------------+