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# DASH COMPUTER, INC.
GREEN FUNCTION VL-BUS (MV035)
Processor AM486DX/80486DX/SL80486DX/CX486DX2/AM486DX2/(SL)AM486DX2/P24D/CX486DX4/AM486DX4/(SL)AM486DX4/SL80486DX2/80486DX4/Pentium
Overdrive/CX586/(SL)AM486DX5
Processor 25/33/40/50(internal)/50/66(internal)/80(internal)100(internal)/ 120(internal)MHz
Speed
Chip Set OPTI
Max. 128MB
Onboard
DRAM
Cache 64/128/256/512KB
BIOS Award
Dimensions 250mm x 220mm
I/O 32-bit VESA local bus slots (3), green PC connector
Options
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J2 | Speaker | JP38 |
|------------------+----------+-------------------+----------|
| Power LED & | JP22 | Green PC | JP39 |
| keylock | | connector | |
|------------------+----------+-------------------+----------|
| Turbo LED | JP34 | Reset switch | S1 |
|------------------+----------+-------------------+----------|
| Turbo switch | JP36 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|----------------------------------+--------+----------------|
| » | CMOS memory normal operation | JP2 | pins 2 & 3 |
| | | | closed |
|---+------------------------------+--------+----------------|
| | CMOS memory clear | JP2 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+---------------+-----------+----------|
| 2MB | (4) 256K x | (1) 256K x 36 | NONE | NONE |
| | 9 | | | |
|-------+-------------+---------------+-----------+----------|
| 2MB | NONE | (1) 512K x 36 | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 4MB | NONE | (1) 1M x 36 | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 8MB | (4) 1M x 9 | (1) 1M x 36 | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 8MB | NONE | (1) 2M x 36 | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 16MB | (4) 4M x 9 | NONE | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 16MB | NONE | (1) 4M x 36 | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 16MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|-------+-------------+---------------+-----------+----------|
| 16MB | NONE | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|-------+-------------+---------------+-----------+----------|
| 32MB | (4) 4M x 9 | (1) 4M x 36 | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 32MB | NONE | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|-------+-------------+---------------+-----------+----------|
| 64MB | NONE | (1) 16M x 36 | NONE | NONE |
|-------+-------------+---------------+-----------+----------|
| 64MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+---------------+-----------+----------|
| 128MB | NONE | (1) 16M x 36 | (1) 16M x | NONE |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP5 |
|-----------------------------------+------------------------|
| 72-pin SIMM set as Bank 0 | pins 1 & 2 closed |
|-----------------------------------+------------------------|
| 30-pin SIMM set as Bank 0 | pins 2 & 3 closed |
|------------------------------------------------------------|
| Note: When using these settings, Bank 0 and Bank 1 |
| are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (B) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (C) | (4) 64K x 8 | NONE | (1) 16K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP8 | JP27 | JP28 | JP43 | JP44 |
|------------+---------+----------+---------+--------+-------|
| 64KB | 2 & 3 | Open | Open | Open | 1 & 2 |
|------------+---------+----------+---------+--------+-------|
| 128KB | 1 & 2 | Closed | Open | Open | 1 & 2 |
|------------+---------+----------+---------+--------+-------|
| 256KB (A) | 2 & 3 | Closed | Closed | Open | 2 & 3 |
|------------+---------+----------+---------+--------+-------|
| 256KB (B) | 2 & 3 | Closed | Closed | Open | 1 & 2 |
|------------+---------+----------+---------+--------+-------|
| 256KB (C) | 1 & 2 | Closed | Closed | Closed | 2 & 3 |
|------------+---------+----------+---------+--------+-------|
| 512KB | 1 & 2 | Closed | Closed | Closed | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP9 | JP10 | JP11 | JP12 |
|----------------+--------+--------+------------+------------|
| AM486DX | Open | Open | pins 1 & 2 | Open |
| | | | closed | |
|----------------+--------+--------+------------+------------|
| 80486DX | Open | Open | pins 1 & 2 | Open |
| | | | closed | |
|----------------+--------+--------+------------+------------|
| SL80486DX | Open | Closed | pins 1 & 2 | pins 1 & 2 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| CX486DX2 | Closed | Closed | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| AM486DX2 | Open | Open | pins 1 & 2 | Open |
| (3.45v) | | | closed | |
|----------------+--------+--------+------------+------------|
| SL AM486DX2 | Open | Closed | pins 2 & 3 | pins 1 & 2 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| SL80486DX2 | Open | Closed | pins 1 & 2 | pins 1 & 2 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| P24D | Open | Closed | pins 2 & 3 | pins 1 & 2 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| CX486DX4 | Closed | Closed | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| AM486DX4 | Open | Open | pins 1 & 2 | Open |
| (3.45v) | | | closed | |
|----------------+--------+--------+------------+------------|
| SL AM486DX4 | Open | Closed | pins 2 & 3 | pins 1 & 2 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| 80486DX4 | Open | Closed | pins 1 & 2 | pins 1 & 2 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| Pentium | Open | Closed | pins 2 & 3 | pins 1 & 2 |
| Overdrive | | | closed | closed |
|----------------+--------+--------+------------+------------|
| CX586 | Closed | Closed | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
|----------------+--------+--------+------------+------------|
| SL AM486DX5 | Open | Closed | pins 2 & 3 | pins 1 & 2 |
| | | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP13 | JP19 | JP20 | JP21 |
|-------------+------------+------------+--------+-----------|
| AM486DX | pins 1 & 2 | Open | Open | Open |
| | closed | | | |
|-------------+------------+------------+--------+-----------|
| 80486DX | pins 1 & 2 | Open | Open | Open |
| | closed | | | |
|-------------+------------+------------+--------+-----------|
| SL80486DX | pins 1 & 2 | Open | Closed | pins 1 & |
| | closed | | | 2 closed |
|-------------+------------+------------+--------+-----------|
| CX486DX2 | Open | Open | Closed | pins 2 & |
| | | | | 3 closed |
|-------------+------------+------------+--------+-----------|
| AM486DX2 | pins 1 & 2 | pins 2 & 3 | Open | Open |
| (3.45v) | closed | closed | | |
|-------------+------------+------------+--------+-----------|
| SL AM486DX2 | pins 1 & 2 | pins 1 & 2 | Closed | pins 1 & |
| | closed | closed | | 2 closed |
|-------------+------------+------------+--------+-----------|
| SL80486DX2 | pins 1 & 2 | Open | Closed | pins 1 & |
| | closed | | | 2 closed |
|-------------+------------+------------+--------+-----------|
| P24D | pins 1 & 2 | pins 1 & 2 | Closed | pins 1 & |
| | closed | closed | | 2 closed |
|-------------+------------+------------+--------+-----------|
| CX486DX4 | Open | Open | Closed | pins 2 & |
| | | | | 3 closed |
|-------------+------------+------------+--------+-----------|
| AM486DX4 | pins 1 & 2 | pins 1 & 2 | Open | Open |
| (3.45v) | closed | closed | | |
|-------------+------------+------------+--------+-----------|
| SL AM486DX4 | pins 1 & 2 | pins 1 & 2 | Closed | pins 1 & |
| | closed | closed | | 2 closed |
|-------------+------------+------------+--------+-----------|
| 80486DX4 | pins 1 & 2 | Open | Closed | pins 1 & |
| | closed | | | 2 closed |
|-------------+------------+------------+--------+-----------|
| Pentium | pins 1 & 2 | Open | Closed | pins 1 & |
| Overdrive | closed | | | 2 closed |
|-------------+------------+------------+--------+-----------|
| CX586 | Open | pins 1 & 2 | Closed | pins 1 & |
| | | closed | | 2 closed |
|-------------+------------+------------+--------+-----------|
| SL AM486DX5 | pins 1 & 2 | pins 1 & 2 | Closed | pins 1 & |
| | closed | closed | | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP23 | JP30 | JP32 | JP46 |
|-------------------+--------------+--------+--------+-------|
| AM486DX | 1 & 2, 3 & 4 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| 80486DX | 1 & 2, 3 & 4 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| SL80486DX | 1 & 2, 3 & 4 | Open | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| CX486DX2 | 1 & 2, 3 & 4 | Open | 1 & 2 | 2 & 3 |
|-------------------+--------------+--------+--------+-------|
| AM486DX2 (3.45v) | 1 & 2, 3 & 4 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| SL AM486DX2 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| SL80486DX2 | 1 & 2, 3 & 4 | Open | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| P24D | 1 & 2, 3 & 4 | Open | 2 & 3 | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| CX486DX4 | 1 & 2, 3 & 4 | Open | 1 & 2 | 2 & 3 |
|-------------------+--------------+--------+--------+-------|
| AM486DX4 (3.45v) | 1 & 2, 3 & 4 | Open | Open | Open |
|-------------------+--------------+--------+--------+-------|
| SL AM486DX4 | 1 & 2, 3 & 4 | Open | 2 & 3 | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| 80486DX4 | 1 & 2, 3 & 4 | Open | Open | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| Pentium Overdrive | 1 & 2, 3 & 4 | Open | 2 & 3 | 1 & 2 |
|-------------------+--------------+--------+--------+-------|
| CX586 | 1 & 2, 3 & 4 | Open | 2 & 3 | 2 & 3 |
|-------------------+--------------+--------+--------+-------|
| SL AM486DX5 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP17 | JP18 |
|--------------------+-------------------+-------------------|
| 25MHz | Open | Open |
|--------------------+-------------------+-------------------|
| 33MHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 40MHz | Closed | Open |
|--------------------+-------------------+-------------------|
| 50iMHz | Open | Open |
|--------------------+-------------------+-------------------|
| 50MHz | Open | Closed |
|--------------------+-------------------+-------------------|
| 66iMHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 80iMHz | Closed | Open |
|--------------------+-------------------+-------------------|
| 100iMHz | Closed | Closed |
|--------------------+-------------------+-------------------|
| 120iMHz | Closed | Open |
|--------------------+-------------------+-------------------|
| 133iMHz | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP29 |
|-----------------------+------------------------------------|
| Low voltage | pins 3 & 5, 4 & 6 closed |
|-----------------------+------------------------------------|
| 5v | pins 1 & 3, 2 & 4 closed |
|------------------------------------------------------------|
| Note: If a low voltage is selected, see table below. If 5v |
| is used, JP45 is left open. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP45 |
|----------------------------+-------------------------------|
| 3.3v | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.45v | pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 4v | pins 5 & 6 closed |
+------------------------------------------------------------+