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# RINGO TECHNOLOGY, INC.
RT486SX/DX (VLB)
Processor 80486SX/80486DX/80486DX2
Processor Speed 33/50(internal)/50/66(internal)MHz
Chip Set OPTI
Video Chip Set None
Maximum Onboard Memory 64MB
Maximum Video Memory None
Cache 256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J6 | Chassis fan | P7 |
| | | power | |
|-------------------+----------+------------------+----------|
| Speaker | P5 | 32-bit VESA | SL1 & |
| | | local bus slots | SL2 |
|-------------------+----------+------------------+----------|
| Power LED & | P6 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Battery type select internal | J6 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Battery type select Vectra | J6 | Open |
| | battery | | |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | J6 | Pins 3 & 4 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP1 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP12 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP13 | Open |
|---+-----------------------------------+-------+------------|
| » | Monitor type select color/EGA/VGA | JP21 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP21 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP23 | Open |
|---+-----------------------------------+-------+------------|
| » | Standard VESA card in SL1 | JP24 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Battery type select Ni Cad | JP26 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP27 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP28 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | None |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | None |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: Board is factory installed with 256KB cache and |
| is not configurable. The location of the cache is |
| unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 | JP11 | JP16 | JP17 |
|-------+-----------------+----------------+--------+--------|
| 256KB | Pins 2 & 3 | Pins 2 & 3 | Closed | Closed |
| | closed | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP6 | JP7 | JP8 | JP9 | JP22 |
|----------+--------+----------+----------+--------+---------|
| 33MHz | Open | Open | Closed | 1 & 2 | Open |
|----------+--------+----------+----------+--------+---------|
| 50iMHz | Open | Open | Open | 1 & 2 | Closed |
|----------+--------+----------+----------+--------+---------|
| 50MHz | Open | Closed | Open | 1 & 2 | Open |
|----------+--------+----------+----------+--------+---------|
| 66iMHz | Open | Open | Closed | 1 & 2 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP2 | JP14 | JP15 | JP18 | JP19 |JP20 |JP25 |
|---------+-------+-------+-------+-------+------+-----+-----|
| 80486SX | Open |Closed |Closed | Open |2 & 3 |1 & 2|2 & 3|
|---------+-------+-------+-------+-------+------+-----+-----|
| 80486DX |Closed |Closed |Closed |Closed |1 & 2 |1 & 2|2 & 3|
|---------+-------+-------+-------+-------+------+-----+-----|
|80486DX2 |Closed |Closed |Closed |Closed |1 & 2 |1 & 2|2 & 3|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+