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# RELIALOGIC CORPORATION PRIVATE, LTD.
R486 VLQMBC
Processor 80486SX/80486DX/80486DX2
Processor Speed 25/33/50(internal)/66(internal)MHz
Chip Set ALI
Max. Onboard DRAM 32MB
Cache 64/128/256KB
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 |
|---------------+----------+----------------------+----------|
| Power LED & | J1 | Reset switch | J5 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Speaker | J2 | External battery | JP17 |
|---------------+----------+----------------------+----------|
| Turbo switch | J3 | 32-bit VESA Local | SL1 & |
| | | bus slots | SL2 |
|---------------+----------+----------------------+----------|
| Turbo LED | J4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select color | JP12 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP12 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP16 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP16 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP33 | pins 2 & 4 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Weitek Power 9000 VLB card not | JP89 | Closed |
| | installed | | |
|---+----------------------------------+--------+------------|
| | Weitek Power 9000 VLB card | JP89 | Open |
| | installed | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP94 | pins 1 & 2 |
| | alter | | closed |
|------------------------------------------------------------|
| Note: The location of JP94 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | U6 to U9 | U10 to U13 | 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 | JP7 | JP8 |
|------------------+--------------------+--------------------|
| 64KB | pins 2 & 3 closed | pins 2 & 4 closed |
|------------------+--------------------+--------------------|
| 128KB | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 256KB | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP2 | JP3 | JP4 | ID2 | ID3 | JP72 |
|--------+---------+---------+------+--------+------+--------|
| 25MHz | Pins 2 | Open | Open | Closed | Open | Closed |
| | & 3 | | | | | |
| | closed | | | | | |
|--------+---------+---------+------+--------+------+--------|
| 33MHz | Pins 2 | Open | Open | Closed | Open | Open |
| (SX) | & 3 | | | | | |
| | closed | | | | | |
|--------+---------+---------+------+--------+------+--------|
| 33MHz | Pins 1 | Pins 2 | Open | Closed | Open | Open |
| | & 2, 3 | & 3 | | | | |
| | & 4 | closed | | | | |
| | closed | | | | | |
|--------+---------+---------+------+--------+------+--------|
| 50iMHz | Pins 2 | Open | Open | Closed | Open | Closed |
| | & 3 | | | | | |
| | closed | | | | | |
|--------+---------+---------+------+--------+------+--------|
| 66iMHz | Pins 1 | Pins 2 | Open | Closed | Open | Open |
| | & 2, 3 | & 3 | | | | |
| | & 4 | closed | | | | |
| | closed | | | | | |
+------------------------------------------------------------+