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# MICRONICS COMPUTERS, INC.
LX30WB
Processor TI486SXL/SL80486SX/80486SX/SL80486DX/CX486M7/80486DX/
SL80486DX2/80486DX2/80486DX4/P4S/P24S/P24CT/P24D/Pentium Overdrive
Processor 25/33/40/50/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Micronics
Max. 96MB
Onboard
DRAM
Cache 128/256KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slots (2), floppy drive interface, IDE
Options interfaces (2), parallel port, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Power LED & | J4 | IDE interface | J15 |
| keylock | | (primary) | |
|--------------------+----------+-----------------+----------|
| Auxiliary keyboard | J8 | Speaker | J16 |
| connector | | | |
|--------------------+----------+-----------------+----------|
| IDE interface | J10 | 32-bit VESA | SL1 & |
| (secondary) | | local bus slots | SL2 |
|--------------------+----------+-----------------+----------|
| Floppy drive | J11 | Reset switch | W30 |
| interface | | | |
|--------------------+----------+-----------------+----------|
| Serial port 1 | J12 | IDE interface | W40 |
| | | LED | |
|--------------------+----------+-----------------+----------|
| Serial port 2 | J13 | Turbo switch | W42 |
|--------------------+----------+-----------------+----------|
| Parallel port | J14 | Turbo LED | W63 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Factory configured - do not | J3 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | J6 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | J34 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | W1 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | CPU type select all CPU types | W2 | Open |
|---+--------------------------------+--------+--------------|
| | CPU type select SL-series only | W2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CPU type select p24d only | W2 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | W3 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | CPU type select all CPU types | W4 | Open |
|---+--------------------------------+--------+--------------|
| | CPU type select p24d only | W4 | Closed |
|---+--------------------------------+--------+--------------|
| » | CPU type select all CPU types | W7 | pins 1 & 2, |
| | | | 3 & 4 closed |
|---+--------------------------------+--------+--------------|
| | CPU type select P23S or | W7 | pins 2 & 3 |
| | 80486SX only | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | W20 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | W21 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | W32 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | W32 | Open |
|---+--------------------------------+--------+--------------|
| » | Primary IDE interface enabled | W33 | Open |
|---+--------------------------------+--------+--------------|
| | Primary IDE interface disabled | W33 | Closed |
|---+--------------------------------+--------+--------------|
| » | Primary IDE controller IRQ | W34 | pins 1 & 2 |
| | select IRQ14 | | closed |
|---+--------------------------------+--------+--------------|
| | Primary IDE controller IRQ | W34 | pins 2 & 3 |
| | select IRQ15 | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | W36 | N/A |
| | alter | | |
|---+--------------------------------+--------+--------------|
| » | Secondary IDE interface | W37 | pins 2 & 3 |
| | enabled | | closed |
|---+--------------------------------+--------+--------------|
| | Secondary IDE interface | W37 | pins 1 & 2 |
| | disabled | | closed |
|---+--------------------------------+--------+--------------|
| » | Secondary IDE controller IRQ | W41 | pins 1 & 2 |
| | select IRQ15 | | closed |
|---+--------------------------------+--------+--------------|
| | Secondary IDE controller IRQ | W41 | pins 2 & 3 |
| | select IRQ14 | | closed |
|---+--------------------------------+--------+--------------|
| » | Factory configured - do not | W44 | N/A |
| | alter | | |
|------------------------------------------------------------|
| Note: The locations of jumpers W32 & W37 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 4MB | (1) 1M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (1) 2M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (1) 4M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 4M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 8M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 40MB | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 36 | (1) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 4M x 36 | (1) 8M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 128KB | (5) 32K x 8 | NONE |
|----------------+---------------------+---------------------|
| 256KB | (5) 32K x 8 | (5) 32K x 8 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W25 | W26 | W27 | W28 |
|-------+-------------+------------+------------+------------|
| 128KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | W6 | W8 | W9 | W10 | W11 |
|------------+--------+-------+-------+-------+--------------|
| TI486SXL | N/A | N/A | N/A | N/A | N/A |
|------------+--------+-------+-------+-------+--------------|
| SL80486SX | 4 & 5 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| 80486SX | 4 & 5 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| CX486M7 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------+--------+-------+-------+-------+--------------|
| SL80486DX | 4 & 5 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| 80486DX | 4 & 5 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| SL80486DX2 | 4 & 5 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| 80486DX2 | 4 & 5 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| 80486DX4 | 4 & 5 | 2 & 3 | 1 & 2 | 2 & 3 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| P4S | N/A | N/A | N/A | N/A | N/A |
|------------+--------+-------+-------+-------+--------------|
| P24CT | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| P24D | 4 & 5 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 |
|------------+--------+-------+-------+-------+--------------|
| P24S | N/A | N/A | N/A | N/A | N/A |
|------------+--------+-------+-------+-------+--------------|
| P24T | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | W12 | W14 | W17 | W18 |
|------------+-----------+-----------+-----------+-----------|
| TI486SXL | N/A | pins 1 & | N/A | N/A |
| | | 2 closed | | |
|------------+-----------+-----------+-----------+-----------|
| SL80486SX | pins 2 & | Open | pins 2 & | pins 1 & |
| | 3 closed | | 3 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| 80486SX | pins 2 & | Open | pins 2 & | pins 1 & |
| | 3 closed | | 3 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| CX486M7 | pins 1 & | pins 3 & | pins 1 & | pins 2 & |
| | 2 closed | 4 closed | 2 closed | 3 closed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX | pins 2 & | pins 3 & | pins 2 & | pins 1 & |
| | 3 closed | 4 closed | 3 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX | pins 2 & | pins 3 & | pins 2 & | pins 1 & |
| | 3 closed | 4 closed | 3 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX2 | pins 2 & | pins 3 & | pins 2 & | pins 1 & |
| | 3 closed | 4 closed | 3 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX2 | pins 2 & | pins 3 & | pins 2 & | pins 1 & |
| | 3 closed | 4 closed | 3 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX4 | pins 2 & | pins 3 & | pins 2 & | pins 1 & |
| | 3 closed | 4 closed | 3 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| P4S | N/A | pins 3 & | N/A | N/A |
| | | 4 closed | | |
|------------+-----------+-----------+-----------+-----------|
| P24CT | pins 2 & | pins 2 & | pins 1 & | pins 1 & |
| | 3 closed | 3 closed | 2 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| P24D | pins 2 & | pins 3 & | pins 1 & | pins 1 & |
| | 3 closed | 4 closed | 2 closed | 2 closed |
|------------+-----------+-----------+-----------+-----------|
| P24S | N/A | pins 3 & | N/A | N/A |
| | | 4 closed | | |
|------------+-----------+-----------+-----------+-----------|
| P24T | pins 2 & | pins 2 & | pins 1 & | pins 1 & |
| | 3 closed | 3 closed | 2 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | w15 | w16 |
|--------------------+-------------------+-------------------|
| 25MHz | Open | Open |
|--------------------+-------------------+-------------------|
| 33MHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 40MHz | Open | Closed |
|--------------------+-------------------+-------------------|
| 50iMHz | Open | Open |
|--------------------+-------------------+-------------------|
| 50MHz | Closed | Open |
|--------------------+-------------------+-------------------|
| 66iMHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 75iMHz | Open | Open |
|--------------------+-------------------+-------------------|
| 100iMHz | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80486DX4 ONLY) |
|------------------------------------------------------------|
| Speed | W13 |
|----------------------------+-------------------------------|
| 2x | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 2.5x | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3x | Open |
+------------------------------------------------------------+