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# ELITEGROUP COMPUTER SYSTEMS, INC.
AL486 VIO-U3/VIO-I
Processor CXM6/80486SX/SL80486SX/80486SX2/SL80486SX2/80487SX/
CX486DX/AM486DX/AM486DXL/80486DX/SL8046DX/CX486DX2/
AM486DX2/AM486DXL2/80486DX2/SL80486DX2/8046DX4
Processor 25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Acer
Maximum 64MB
Onboard
Memory
Cache 64/128/256KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O 32-bit VESA local bus slot, floppy drive interface, green PC
Options connector, IDE interface, parallel port, PS/2 mouse port, serial
ports (2), feature connector, VGA port, riser slot, modem ring
in connector
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| Parallel port | J1 | Modem ring in | JP8 |
| | | connector | |
|----------------------+-------+---------------------+-------|
| Serial port 2 | J2 | Green PC connector | JP9 |
|----------------------+-------+---------------------+-------|
| Serial port 1 | J3 | Turbo LED | JP85 |
|----------------------+-------+---------------------+-------|
| VGA port | J4 | Turbo switch | JP86 |
|----------------------+-------+---------------------+-------|
| External battery | J5 | Reset switch | JP87 |
|----------------------+-------+---------------------+-------|
| Feature connector | J7 | Speaker | JP88 |
|----------------------+-------+---------------------+-------|
| IDE interface | J9 | IDE interface LED | JP89 |
|----------------------+-------+---------------------+-------|
| Floppy drive | J10 | Riser slot | SL1 |
| interface | | | |
|----------------------+-------+---------------------+-------|
| Power LED & keylock | J11 | 32-bit VESA local | SL2 |
| | | bus slot | |
|----------------------+-------+---------------------+-------|
| PS/2 mouse port | JP2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|---------------------------------------+-------+------------|
| | BIOS type select EPROM | JP4 | Open |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 12v | JP4 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 5v | JP4 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select normal | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select CGA | JP5 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board VGA enabled | JP6 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board VGA disabled | JP6 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board I/O enabled | JP12 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board I/O disabled | JP12 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | EPP & ECP enabled | JP21 | Closed |
|---+-----------------------------------+-------+------------|
| | EPP & ECP disabled | JP21 | Open |
|---+-----------------------------------+-------+------------|
| | Parallel port IRQ select IRQ7 | JP24 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Parallel port IRQ select IRQ5 | JP24 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | IDE interface enabled | JP50 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | IDE interface disabled | JP50 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP76 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP77 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP99 | N/A |
|------------------------------------------------------------|
| Note: The location of JP76 & JP77 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | None | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 4M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 49MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 52MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------------------------------------------------------------|
| Note: The orientation of the banks is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SIZE |
|------------------------------------------------------------|
| 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 |
|------------------------------------------------------------|
| Size | JP41 | JP74 | JP75 |
|-------+------------------------+--------+------------------|
| 64KB | Open | Open | Pins 1 & 2 |
| | | | closed |
|-------+------------------------+--------+------------------|
| 128KB | Pins 1 & 2 closed | Closed | Pins 2 & 3 |
| | | | closed |
|-------+------------------------+--------+------------------|
| 256KB | Pins 1 & 2, 3 & 4 | Closed | Pins 1 & 2 |
| | closed | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE |
|------------------------------------------------------------|
| Setting | JP54 | JP60 | JP61 | JP62 | JP63 |
|-------------+----------+---------+--------+--------+-------|
| CXM6 | Closed | Open | 1 & 2 | Open | 3 & 4 |
|-------------+----------+---------+--------+--------+-------|
| 80486SX | Open | Open | 2 & 3 | Open | Open |
|-------------+----------+---------+--------+--------+-------|
| SL80486SX | Closed | Open | 1 & 2 | Closed | 1 & 2 |
|-------------+----------+---------+--------+--------+-------|
| 80486SX2 | Open | Open | 2 & 3 | Open | Open |
|-------------+----------+---------+--------+--------+-------|
| SL80486SX2 | Closed | Open | 1 & 2 | Closed | 1 & 2 |
|-------------+----------+---------+--------+--------+-------|
| 80487SX | Open | 1 & 2 | 2 & 3 | Open | Open |
|-------------+----------+---------+--------+--------+-------|
| CX486DX | Closed | 2 & 3 | 1 & 2 | Open | 3 & 4 |
|-------------+----------+---------+--------+--------+-------|
| AM486DX | Open | 2 & 3 | 2 & 3 | Open | Open |
|-------------+----------+---------+--------+--------+-------|
| AM486DXL | Closed | 2 & 3 | 2 & 3 | Closed | 5 & 6 |
|-------------+----------+---------+--------+--------+-------|
| 80486DX | Open | 2 & 3 | 2 & 3 | Open | Open |
|-------------+----------+---------+--------+--------+-------|
| SL80486DX | Closed | 2 & 3 | 1 & 2 | Closed | 1 & 2 |
|-------------+----------+---------+--------+--------+-------|
| CX486DX2 | Closed | 2 & 3 | 1 & 2 | Open | 3 & 4 |
|-------------+----------+---------+--------+--------+-------|
| AM486DX2 | Open | 2 & 3 | 2 & 3 | Open | Open |
|-------------+----------+---------+--------+--------+-------|
| AM486DXL2 | Closed | 2 & 3 | 2 & 3 | Closed | 5 & 6 |
|-------------+----------+---------+--------+--------+-------|
| 80486DX2 | Open | 2 & 3 | 2 & 3 | Open | Open |
|-------------+----------+---------+--------+--------+-------|
| SL80486DX2 | Closed | 2 & 3 | 1 & 2 | Closed | 1 & 2 |
|-------------+----------+---------+--------+--------+-------|
| 80486DX4 | Closed | 2 & 3 | 1 & 2 | Closed | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE (CON’T) |
|------------------------------------------------------------|
| Setting | JP64 | JP66 | JP70 | JP73 |
|-------------+---------------+---------+----------+---------|
| CXM6 | 2 & 3 | 1 & 2 | Open | 3 & 4 |
|-------------+---------------+---------+----------+---------|
| 80486SX | 2 & 3 | 1 & 2 | Open | Open |
|-------------+---------------+---------+----------+---------|
| SL80486SX | 2 & 3 | 1 & 2 | Open | 1 & 2 |
|-------------+---------------+---------+----------+---------|
| 80486SX2 | 2 & 3 | 1 & 2 | Open | Open |
|-------------+---------------+---------+----------+---------|
| SL80486SX2 | 2 & 3 | 1 & 2 | Open | 1 & 2 |
|-------------+---------------+---------+----------+---------|
| 80487SX | 1 & 2, 3 & 4 | 1 & 2 | Open | Open |
|-------------+---------------+---------+----------+---------|
| CX486DX | 1 & 2, 3 & 4 | 1 & 2 | Open | 3 & 4 |
|-------------+---------------+---------+----------+---------|
| AM486DX | 1 & 2, 3 & 4 | 1 & 2 | Open | Open |
|-------------+---------------+---------+----------+---------|
| AM486DXL | 1 & 2, 3 & 4 | 1 & 2 | Open | 5 & 6 |
|-------------+---------------+---------+----------+---------|
| 80486DX | 1 & 2, 3 & 4 | 1 & 2 | Open | Open |
|-------------+---------------+---------+----------+---------|
| SL80486DX | 1 & 2, 3 & 4 | 1 & 2 | Open | 1 & 2 |
|-------------+---------------+---------+----------+---------|
| CX486DX2 | 1 & 2, 3 & 4 | 1 & 2 | Closed | 3 & 4 |
|-------------+---------------+---------+----------+---------|
| AM486DX2 | 1 & 2, 3 & 4 | 1 & 2 | Open | Open |
|-------------+---------------+---------+----------+---------|
| AM486DXL2 | 1 & 2, 3 & 4 | 1 & 2 | Open | 5 & 6 |
|-------------+---------------+---------+----------+---------|
| 80486DX2 | 1 & 2, 3 & 4 | 1 & 2 | Open | Open |
|-------------+---------------+---------+----------+---------|
| SL80486DX2 | 1 & 2, 3 & 4 | 1 & 2 | Open | 1 & 2 |
|-------------+---------------+---------+----------+---------|
| 80486DX4 | 1 & 2, 3 & 4 | 1 & 2 | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE |
|------------------------------------------------------------|
| Setting | JP40 | JP42 | JP44 |
|---------------+---------------+-------------+--------------|
| CX486M6 | Closed | Open | Closed |
|---------------+---------------+-------------+--------------|
| CX486M7 | Open | Open | Closed |
|---------------+---------------+-------------+--------------|
| AMD | Open | Open | Open |
|---------------+---------------+-------------+--------------|
| Intel | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE |
|------------------------------------------------------------|
| Setting | JP65 | JP82 |
|------------------+--------------------+--------------------|
| CX486M6/M7 | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| AMD | Open | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Intel | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE |
|------------------------------------------------------------|
| Setting | JP83 |
|----------------------------+-------------------------------|
| All CPU types | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 80486DX4 only | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE (80486DX4 ONLY) |
|------------------------------------------------------------|
| Setting | JP81 |
|----------------------------+-------------------------------|
| 2x | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED |
|------------------------------------------------------------|
| Setting | JP37 | JP43 | JP53 | JP55 |
|---------+------------+------------+------------+-----------|
| 25MHz | Pins 1 & | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & |
| | 2, 5 & 6 | closed | closed | 2 closed |
| | closed | | | |
|---------+------------+------------+------------+-----------|
| 33MHz | Pins 3 & | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & |
| | 4, 5 & 6 | closed | closed | 2 closed |
| | closed | | | |
|---------+------------+------------+------------+-----------|
| 40MHz | Pins 1 & | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & |
| | 2, 3 & 4 | closed | closed | 3 closed |
| | closed | | | |
|---------+------------+------------+------------+-----------|
| 50iMHz | Pins 1 & | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & |
| | 2, 5 & 6 | closed | closed | 2 closed |
| | closed | | | |
|---------+------------+------------+------------+-----------|
| 66iMHz | Pins 3 & | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & |
| | 4, 5 & 6 | closed | closed | 2 closed |
| | closed | | | |
|---------+------------+------------+------------+-----------|
| 75iMHz | Pins 1 & | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & |
| | 2, 5 & 6 | closed | closed | 2 closed |
| | closed | | | |
|---------+------------+------------+------------+-----------|
| 100iMHz | Pins 3 & | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & |
| | 4, 5 & 6 | closed | closed | 2 closed |
| | closed | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE |
|------------------------------------------------------------|
| Setting | JP67 | JP79 | JP80 | JP84 |
|----------+-------------------+---------+---------+---------|
| 3.3v | Pins 2 & 3 closed | Open | Open | Closed |
|----------+-------------------+---------+---------+---------|
| 3.45v | Pins 2 & 3 closed | Closed | Open | Open |
|----------+-------------------+---------+---------+---------|
| 5v | Pins 1 & 2 closed | Open | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL |
|------------------------------------------------------------|
| Setting | JP15 | JP16 |
|------------------+--------------------+--------------------|
| DMA1 | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| DMA3 | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+