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# MNC INTERNATIONAL, INC.
MNC 1134 COMPLETE 386SX
Processor 80386SX
Processor Speed 16/20/25MHz
Chip Set VLSI
Max. Onboard DRAM 16MB
Cache None
BIOS Quadtel
Dimensions 330mm x 106.7mm
I/O Options Floppy drive interface, IDE interface,
parallel port, serial port (2), VGA port
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
|Purpose |Location|Purpose |Location|
|-----------+--------+------------------------------+--------|
|IDE | J11 |Serial port (COM1) | P4 |
|interface | | | |
|LED | | | |
|-----------+--------+------------------------------+--------|
|Turbo LED | J12 |Keyboard/reset | P5 |
| | |switch/keylock/speaker/turbo | |
| | |switch | |
|-----------+--------+------------------------------+--------|
|IDE | P1 |LCD | P6 |
|interface | | | |
|-----------+--------+------------------------------+--------|
|Floppy | P2 |VGA port | P7 |
|drive | | | |
|interface | | | |
|-----------+--------+------------------------------+--------|
|Serial port| P3 |Parallel port | P8 |
|(COM2) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | CPU speed select 16MHz | J1 | closed |
| | | | |
| | | J6 | open |
|---+----------------------------------+--------+------------|
| | CPU speed select 20MHz | J1 | open |
| | | | |
| | | J6 | closed |
|---+----------------------------------+--------+------------|
| | CPU speed select 25MHz | J1 | open |
| | | | |
| | | J6 | open |
|---+----------------------------------+--------+------------|
| » | Pipeline mode enabled | J2 | closed |
|---+----------------------------------+--------+------------|
| | Pipeline mode disabled | J2 | open |
|---+----------------------------------+--------+------------|
| » | NPU mode select synchronous with | J3 | open |
| | CPU | | |
|---+----------------------------------+--------+------------|
| | NPU mode select asynchronous | J3 | closed |
| | with CPU | | |
|---+----------------------------------+--------+------------|
| » | IDE interface enabled | J4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | J4 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | On board floppy interface | J5 | closed |
| | enabled | | |
| | | J14 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board floppy interface | J5 | open |
| | disabled | | |
| | | J14 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Paralell port select send data | J7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Paralell port select receive | J7 | pins 1 & 2 |
| | data | | closed |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | J8 | closed |
| | power supply | | |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | J8 | open |
| | board | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | J9 | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | J9 | open |
|---+----------------------------------+--------+------------|
| » | On board VGA interface enabled | J10 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board VGA interface disabled | J10 | 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) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLASH MEMORY REGION JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Region | J13 |
|----------------------------+-------------------------------|
| D8000 - DFFFF | open |
|----------------------------+-------------------------------|
| C8000 - CFFFF | pins 3 & 4 closed |
|----------------------------+-------------------------------|
| D0000 - D7FFF | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| C0000 - C7FFF | pins 1 & 2 and 3 & 4 closed |
+------------------------------------------------------------+