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# QUICKPATH SYSTEMS, INC.
POWERSOUND 486I
Processor 80486SX/80486DX/80486DX2
Processor Speed 25/33/50(Internal)/66(Internal)MHz
Chip Set OPTI
Max. onboard DRAM 32MB
SRAM Cache None
BIOS AMI/MR
Dimensions 330mm x 218mm
I/O Options Line in, microphone in, volume control, and
speaker out (controlled by onboard ES488, a
Sound Blaster Pro compatible sound
processor.)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| External battery | JP1 | Speaker out | CN1 |
|----------------------+----------+---------------+----------|
| Turbo Switch | JP6 | Volume | CN2 |
|----------------------+----------+---------------+----------|
| Speaker | JP9 | Line in | CN3 |
|----------------------+----------+---------------+----------|
| Power LED and | JP10 | Microphone in | CN4 |
| keylock | | | |
|----------------------+----------+---------------+----------|
| Turbo LED | JP12 | Reset switch | SW1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|---------------------------------+---------------+----------|
| » | Monitor type select color | JP2 | Closed |
|---+-----------------------------+---------------+----------|
| | Monitor type select | JP2 | Open |
| | monochrome | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD SOUND SYSTEM DMA CONFIGURATION |
|------------------------------------------------------------|
| DMA | JP7 | JP8 |
|------------------+--------------------+--------------------|
| » | DMA1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | DMA3 | Pins 3 & 4 closed | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ONBOARD SOUND SYSTEM INTERRUPT CONFIGURATION |
|------------------------------------------------------------|
| Interrupt | JP11 |
|----------------------------+-------------------------------|
| | IRQ3 | Pins 1 & 2 closed |
|---------+------------------+-------------------------------|
| | IRQ5 | Pins 3 & 4 closed |
|---------+------------------+-------------------------------|
| » | IRQ7 | Pins 5 & 6 closed |
|---------+------------------+-------------------------------|
| | IRQ9 | Pins 7 & 8 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 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE AND SPEED CONFIGURATIONS |
|------------------------------------------------------------|
| Type | CPU | OSC | JP3 | JP4 | JP5 |
| | Speed | | | | |
|----------+--------+-------+-----------+-----------+--------|
| 80486SX | 25MHz | 25MHz | Open | Pins 2 & | Open |
| | | | | 3 closed | |
|----------+--------+-------+-----------+-----------+--------|
| 80487SX | 25MHz | 25MHz | Pins 2 & | Pins 1 & | Closed |
| | | | 3 closed | 2 closed | |
|----------+--------+-------+-----------+-----------+--------|
| 80486DX | 33MHz | 33MHz | Pins 1 & | Pins 1 & | Closed |
| | | | 2 closed | 2 closed | |
|----------+--------+-------+-----------+-----------+--------|
| 80486DX2 | 50i | 25MHz | Pins 2 & | Pins 1 & | Closed |
| | MHz | | 3 closed | 2 closed | |
|----------+--------+-------+-----------+-----------+--------|
| 80486DX2 | 66i | 33MHz | Pins 1 & | Pins 1 & | Closed |
| | MHz | | 2 closed | 2 closed | |
+------------------------------------------------------------+