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# KRIS TECHNOLOGIES
80386/80486 AT
Processor 80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed 16/20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set UNICHIP
Max. Onboard 128MB
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 220mm x 220mm
I/O Options 32-bit local bus card slot
NPU Options 80387
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J1 | Speaker | J5 |
|-------------------+----------+------------------+----------|
| Turbo LED | J2 | Turbo switch | JP26 |
|-------------------+----------+------------------+----------|
| Reset switch | J3 | 32-bit local bus | S1 |
| | | card | |
|-------------------+----------+------------------+----------|
| Power LED & | J4 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP2 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Monitor type select color | JP8 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP8 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | NONE |
|------------------+--------------------+--------------------|
| 80MB | (4) 4M x 9 | (4) 16M x 9 |
|------------------+--------------------+--------------------|
| 128MB | (4) 16M x 9 | (4) 16M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| 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 CONFIGURATION |
|------------------------------------------------------------|
| Size | JP9 | JP10 | JP11 | JP16 | JP18 | JP19 |
|--------+--------+--------+-------+--------+--------+-------|
| 64KB | 2 & 3 | 2 & 3 | 1 & 2 | Open | Open | Open |
|--------+--------+--------+-------+--------+--------+-------|
| 128KB | 2 & 3 | 1 & 2 | 2 & 3 | Closed | Open | 1 & 2 |
|--------+--------+--------+-------+--------+--------+-------|
| 256KB | 1 & 2 | 2 & 3 | 2 & 3 | Closed | Closed | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATI0N |
|------------------------------------------------------------|
| Type | JP12 | JP13 | JP20 | JP23 | JP24 | JP27 | JP28 |
|-------+-------+-------+-------+-------+------+------+------|
| 80386 | 2 & 3 | 2 & 3 | Open | 2 & 3 | 2 & | 2 & | 2 & |
| | | | | | 3 | 3 | 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 80486 | 1 & 2 | 1 & 2 | 3 & 4 | 1 & 2 | 1 & | 1 & | 1 & |
| | | | | | 2 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP17 | JP22 |
|------------+--------------------------+--------------------|
| 80486SX | pins 2 & 3 closed | Open |
|------------+--------------------------+--------------------|
| 80487SX | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed |
|------------+--------------------------+--------------------|
| 80486DX | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
|------------+--------------------------+--------------------|
| 80486DX2 | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80386) |
|------------------------------------------------------------|
| Speed | JP32 | JP33 |
|------------------+--------------------+--------------------|
| 25MHz | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 33MHz | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 40MHz | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80486) |
|------------------------------------------------------------|
| Speed | JP29 | JP30 | JP31 |
|--------+-----------------+----------------+----------------|
| 20MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 33MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 40MHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 50MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|--------+-----------------+----------------+----------------|
| 66iMHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MOUSE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP1 | JP4 | JP5 |
|---------------+------------------+------------+------------|
| Not installed | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------------+------------------+------------+------------|
| Installed | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+