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# ADVANCED LOGIC RESEARCH, INC.
MULTIMEDIA EXPRESS
Processor 80486SX/80486DX/80486DX2/Pentium Overdrive
Processor 25/33/50(internal)/66(internal)MHz
Speed
Chip Set ALR
Max. Onboard 36MB
DRAM
Cache 64/128/256KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (1), floppy drive
interface, IDE interface, parallel port, PS/2
mouse port,serial ports (2), VGA port
NPU Options None
IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+--------------------+----------|
| PS/2 mouse port | CN1 | VGA port | CN5 |
|-----------------+----------+--------------------+----------|
| Serial port 1 | CN2 | IDE interface | CN6 |
|-----------------+----------+--------------------+----------|
| Serial port 2 | CN3 | Floppy drive | CN7 |
| | | interface | |
|-----------------+----------+--------------------+----------|
| Parallel port | CN4 | 32-bit VESA local | SL1 |
| | | bus slot | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------+--------+-------------------|
| » | Password check disabled | J2 | pins 2 & 3 closed |
|---+---------------------------+--------+-------------------|
| | Password check enabled | J2 | pins 1 & 2 closed |
|---+---------------------------+--------+-------------------|
| » | On board battery enabled | J13 | Closed |
|---+---------------------------+--------+-------------------|
| | On board battery disabled | J13 | Open |
|---+---------------------------+--------+-------------------|
| » | DRAM parity enabled | J14 | Open |
|---+---------------------------+--------+-------------------|
| | DRAM parity disabled | J14 | Closed |
|---+---------------------------+--------+-------------------|
| » | On board VGA enabled | J20 | pins 1 & 2 closed |
|---+---------------------------+--------+-------------------|
| | On board VGA disabled | J20 | pins 2 & 3 closed |
|---+---------------------------+--------+-------------------|
| » | Keylock enabled | J27 | pins 2 & 3 closed |
|---+---------------------------+--------+-------------------|
| | Keylock disabled | J27 | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|---------+-----------------+----------------+---------------|
| 4MB | (8) 512K x 8 | NONE | NONE |
|---------+-----------------+----------------+---------------|
| 8MB | (8) 512K x 8 | (1) 1M x 36 | NONE |
|---------+-----------------+----------------+---------------|
| 12MB | (8) 512K x 8 | (1) 1M x 36 | (1) 1M x 36 |
|---------+-----------------+----------------+---------------|
| 12MB | (8) 512K x 8 | (1) 2M x 36 | NONE |
|---------+-----------------+----------------+---------------|
| 16MB | (8) 512K x 8 | (1) 1M x 36 | (1) 2M x 36 |
|---------+-----------------+----------------+---------------|
| 20MB | (8) 512K x 8 | (1) 4M x 36 | NONE |
|---------+-----------------+----------------+---------------|
| 20MB | (8) 512K x 8 | (1) 2M x 36 | (1) 2M x 36 |
|---------+-----------------+----------------+---------------|
| 24MB | (8) 512K x 8 | (1) 1M x 36 | (1) 4M x 36 |
|---------+-----------------+----------------+---------------|
| 36MB | (8) 512K x 8 | (1) 4M x 36 | (1) 4M x 36 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J5 | J6 | J23 | J24 |
|-------+-------------+------------+------------+------------|
| 64KB | pins 2 & 3 | pins 2 & 3 | Open | pins 1 & 2 |
| | closed | closed | | closed |
|-------+-------------+------------+------------+------------|
| 128KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 256KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J9 | J10 | J11 |
|-------------------+-------------+-------------+------------|
| 80486SX (PQFP) | Open | Closed | Open |
|-------------------+-------------+-------------+------------|
| 80486 (PGA) | Open | Open | Open |
|-------------------+-------------+-------------+------------|
| 80486DX | Closed | Closed | Open |
|-------------------+-------------+-------------+------------|
| 80486DX2 | Closed | Closed | Open |
|-------------------+-------------+-------------+------------|
| Pentium Overdrive | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J17 |
|----------------------------+-------------------------------|
| 25MHz | pins 4 & 8 closed |
|----------------------------+-------------------------------|
| 33MHz | pins 3 & 6 closed |
|----------------------------+-------------------------------|
| 50iMHz | pins 4 & 8 closed |
|----------------------------+-------------------------------|
| 66iMHz | pins 3 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU CLOCK CONFIGURATION |
|------------------------------------------------------------|
| Gate delay | J15 |
|----------------------------+-------------------------------|
| 1 gate delay | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 0 gate delays | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA CLOCK CONFIGURATION |
|------------------------------------------------------------|
| Gate delay | J16 |
|----------------------------+-------------------------------|
| 1 gate delay | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 0 gate delays | pins 2 & 3 closed |
+------------------------------------------------------------+
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