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# AMPTRON INTERNATIONAL, INC.
DX-6800K
Processor 80486SX/80487SX/80486DX/CX486DX2/80486DX2/80486DX4
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set UMC
Max. 64MB
Onboard
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 220mm x 220mm
I/O 32-bit VESA local bus slots (3)
Options
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J3 | Power LED & | J8 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Reset switch | J4 | 32-bit VESA Local | S1 |
| | | bus slot | |
|------------------+----------+-------------------+----------|
| Turbo switch | J5 | 32-bit VESA Local | S2 |
| | | bus slot | |
|------------------+----------+-------------------+----------|
| Turbo LED | J6 | 32-bit VESA Local | S3 |
| | | bus slot | |
|------------------+----------+-------------------+----------|
| Speaker | J7 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JP1 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP1 | Closed |
|---+----------------------------------+--------+------------|
| » | Address strobe operation normal | JP7 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Address strobe delay | JP7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Graphic controller Weitek Power | JP19 | pins 1 & 2 |
| | 9000 not installed | | closed |
|---+----------------------------------+--------+------------|
| | Graphic controller Weitek Power | JP19 | pins 2 & 3 |
| | 9000 installed | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP20 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Double sided (double RAS) SIMM | JP21 & | pins 1 & 2 |
| | module installed | JP22 | closed |
|---+----------------------------------+--------+------------|
| | 16M x 36 (four RAS) SIMM module | JP21 & | pins 2 & 3 |
| | installed | JP22 | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP24 | Open |
| | alter | | |
|------------------------------------------------------------|
| Note:16M x 36 can only be installed in bank 0. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 512K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 256K x | (1) 512K x | (1) 1M x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 2M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 4M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | NONE |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 21MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 22MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 8M x 36 | (1) 256K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 512K x | NONE | NONE |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 36 | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP15 | JP16 | JP17 |
|----------+---------------------+------------------+--------|
| 486SX | pins 2 & 3 closed | Open | Open |
|----------+---------------------+------------------+--------|
| 487SX | pins 1 & 2, 3 & 4 | pins 2 & 3 | Open |
| | closed | closed | |
|----------+---------------------+------------------+--------|
| 486DX | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open |
| | closed | closed | |
|----------+---------------------+------------------+--------|
| Cx486DX2 | pins 1 & 2, 3 & 4 | pins 1 & 2 | Closed |
| | closed | closed | |
|----------+---------------------+------------------+--------|
| 486DX2 | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open |
| | closed | closed | |
|----------+---------------------+------------------+--------|
| 486DX4 | pins 1 & 2, 3 & 4 | pins 1 & 2 | Open |
| | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU clock | CPU | JP8 | JP9 | JP10 |
| | frequency | | | |
|-----------+-----------+--------------+----------+----------|
| 25MHz | 25, 50I, | pins 2 & 3 | pins 1 & | pins 2 & |
| | 75iMHz | closed | 2 closed | 3 closed |
|-----------+-----------+--------------+----------+----------|
| 33MHz | 33, 66I, | pins 2 & 3 | pins 2 & | pins 1 & |
| | 100iMHz | closed | 3 closed | 2 closed |
|-----------+-----------+--------------+----------+----------|
| 40MHz | 40MHz | pins 1 & 2 | pins 1 & | pins 2 & |
| | | closed | 2 closed | 3 closed |
|-----------+-----------+--------------+----------+----------|
| 50MHz | 50, | pins 1 & 2 | pins 2 & | pins 1 & |
| | 100iMHz | closed | 3 closed | 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Select | P1 | P2 | P3 |
|---------------------+------------+------------+------------|
| 5V (for all other | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| CPUs | closed | closed | closed |
|---------------------+------------+------------+------------|
| 3.3V (for 80486DX4) | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 80486DX4 CONFIGURATION |
|------------------------------------------------------------|
| CPU Clock | Multiplier | Frequency | JP18 |
|-------------+--------------+-------------+-----------------|
| 25MHz | 3 | 75iMHz | Open |
|-------------+--------------+-------------+-----------------|
| 33MHz | 3 | 100iMHz | Open |
|-------------+--------------+-------------+-----------------|
| 50MHz | 2 | 100iMHz | pins 2 & 3 |
| | | | closed |
|------------------------------------------------------------|
| Note:If using a CPU other than a 80486DX4, the settings |
| for JP18 are do not matter. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP3 | JP4 | JP5 | JP6 |
|-------+------------+------------+--------+--------+--------|
| 64KB | pins 1 & 2 | pins 1 & 2 | Open | Open | Closed |
|-------+------------+------------+--------+--------+--------|
| 128KB | pins 2 & 3 | pins 2 & 3 | Open | Closed | Closed |
|-------+------------+------------+--------+--------+--------|
| 256KB | pins 1 & 2 | pins 1 & 2 | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA CPU TYPE (ID0 & ID1) CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP13 (ID2) | JP14 (ID3) |
|--------------------+--------------------+------------------|
| < or = 33MHz | Closed | Open |
|--------------------+--------------------+------------------|
| > 33MHz | Open | Closed |
+------------------------------------------------------------+