TEXT View Source
# NIC TECHNOLOGY, INC.
CQH486V VESA
Processor 80486SX/80486DX/80486DX2
Processor Speed 20/25/33/50(internal)/50/66(internal)
Chip Set UNI
Max. Onboard DRAM 32MB
SRAM Cache 64/128/256KB
BIOS AMI
Dimensions 280mm x 220mm
I/O Options 32-bit VESA card slot (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | JP17 | Turbo LED | TLED |
|-------------------+----------+------------------+----------|
| Power LED & | KEYL | Turbo switch | TSW |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Reset switch | RSW | 32-bit VESA card | S1 |
|-------------------+----------+------------------+----------|
| Speaker | SPK | 32-bit VESA card | S2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | JP12 | open |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP12 | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP16 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP16 | pins 2 & 3 |
| | | | 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 |
|------------------+--------------------+--------------------|
| 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 CONFIGURATION |
|------------------------------------------------------------|
| Type | Jumper JP2 | Jumper JP3 |
|----------------+-----------------------+-------------------|
| 80486DX2 (PGA) | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed |
| | closed | |
|----------------+-----------------------+-------------------|
| 80486DX (PGA) | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed |
| | closed | |
|----------------+-----------------------+-------------------|
| 80486SX (PGA) | pins 2 & 3 closed | open |
|----------------+-----------------------+-------------------|
| 80486SX (PQFP) | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | ID2 | ID3 | JP33 | JP72 |JP100 | JP101 |
|--------------+------+------+--------+------+------+--------|
| 66MHz |closed|closed|pins 2 &| open |closed|pins 2 &|
| (internal) | | | 3 | | | 3 |
|--------------+------+------+--------+------+------+--------|
| 50MHz |closed|closed|pins 1 &| open | open |pins 2 &|
| | | | 2 | | | 3 |
|--------------+------+------+--------+------+------+--------|
| 50 MHz |closed| open |pins 2 &|closed| open |pins 1 &|
| (internal) | | | 3 | | | 2 |
|--------------+------+------+--------+------+------+--------|
| 33MHz |closed|closed|pins 2 &| open |closed|pins 2 &|
| | | | 3 | | | 3 |
|--------------+------+------+--------+------+------+--------|
| 25MHz |closed| open |pins 2 &|closed| open |pins 1 &|
| | | | 3 | | | 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | Jumper JP7 | Jumper JP8 |
|------------------+--------------------+--------------------|
| 64KB | pins 2 & 3 closed | open |
|------------------+--------------------+--------------------|
| 128KB | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 256KB | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Cache SRAM | Location | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (8) 8K x 8 | Banks 0 & 1 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | Bank 0 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (8) 32K x 8 | Banks 0 & 1 | (1) 32K x 8 |
+------------------------------------------------------------+