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# AMPTRON INTERNATIONAL, INC.
DX-6600
Processor 80486SX/AM486SX/Cx486S/80487SX/AM486DX
80486DX/Cx486DX/AM486DX2/80486DX2
Processor Speed 25/33/40/50(internal/50/66(internal)MHz
Chip Set SARC
Max. Onboard DRAM 64MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (3)
NPU Options 80387DX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------+----------+------------------+----------------|
| Power LED & | JP10 | Reset switch | JP13 |
| keylock | | | |
|-------------+----------+------------------+----------------|
| Speaker | JP11 | Turbo switch | JP14 |
|-------------+----------+------------------+----------------|
| Turbo LED | JP12 | 32-bit VESA | SL1, SL2,& SL3 |
| | | local bus slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | CPU clock rate < 33 MHz | JP15 | Open |
|---+----------------------------------+--------+------------|
| | CPU clock rate > 33 MHz | JP15 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| ยป | CMOS memory normal | JP1 | Open |
| | operation(External Battery) | | |
|---+----------------------------------+--------+------------|
| | CMOS memory normal | JP1 | pins 2 & 3 |
| | operation(Rechargeable Battery) | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP1 | pins 3 & 4 |
| | | | 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 |
|------------------+--------------------+--------------------|
| 5MB | (4) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 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 |
|------------------------------------------------------------|
| 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 | JP2 | JP4 | JP5 | JP6 |
|-------+--------+--------+-----------------+----------------|
| 64KB | Open | Open | pins 1 & 2 | Open |
| | | | closed | |
|-------+--------+--------+-----------------+----------------|
| 128KB | Open | Closed | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
|-------+--------+--------+-----------------+----------------|
| 256KB | Closed | Closed | pins 1 & 2 | pins 1 & 2 |
| | | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| CPU Type | JP16 | JP17 |
|------------+--------------------------+--------------------|
| 80486SX | pins 2 & 3 closed | Open |
|------------+--------------------------+--------------------|
| Cx486S | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
|------------+--------------------------+--------------------|
| 80487SX | pins 1 & 2, 3 & 4 closed | pins 2 & 3 closed |
|------------+--------------------------+--------------------|
| 80486DX | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
|------------+--------------------------+--------------------|
| Cx486DX | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
|------------+--------------------------+--------------------|
| 80486DX2 | pins 1 & 2, 3 & 4 closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP7 | JP8 | JP18 |
|-----------+----------------+---------------+---------------|
| 25MHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 33MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 40MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|-----------+----------------+---------------+---------------|
| 66iMHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (AMD486 CPU ONLY) |
|------------------------------------------------------------|
| | Adaptor Board | System Board | |
|------------+----------------+-----------------+------------|
| CPU speed | JP1 | JP2 | JP18 |
|------------+----------------+-----------------+------------|
| 25MHz | pins 1 & 2 | pins 1 & 2, 3 & | pins 2 & 3 |
| | | 4 | |
|------------+----------------+-----------------+------------|
| 33MHz | pins 2 & 3 | pins 1 & 2, 3 & | pins 2 & 3 |
| | | 4 | |
|------------+----------------+-----------------+------------|
| Cx 40MHz | pins 2 & 3 | pins 3 & 4 | pins 1 & 2 |
|------------+----------------+-----------------+------------|
| 40MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
|------------+----------------+-----------------+------------|
| 50MHz | pins 1 & 2 | pins 3 & 4 | pins 2 & 3 |
|------------+----------------+-----------------+------------|
| 50iMHz | pins 1 & 2 | pins 1 & 2, 3 & | pins 2 & 3 |
| | | 4 | |
|------------+----------------+-----------------+------------|
| 66iMHz | pins 2 & 3 | pins 1 & 2, 3 & | pins 2 & 3 |
| | | 4 | |
|------------------------------------------------------------|
| Note:Pins designated are in the closed position. |
|------------------------------------------------------------|
| When this system board is installed with a AMD486 CPU, a |
| DX-6600 clock generator adaptor board is required. A |
| system board that has this adaptor board installed must |
| follow the above configuration table. System boards |
| without this adapter board are to be configured according |
| to the user manual. |
| |
| To install the DX-6600 clock generator adaptor board, |
| remove the original clock chip from location "Y1" (between |
| the 387DX socket and the inner most VL-bus slot). Remove |
| the jumper caps from JP7 and JP8. Use a wire cutter to cut |
| all the pins from JP7. Orient the cut-off at the socket |
| under the adapter with the cut-off at the socket on the |
| system board location "Y1" in such a way that the jumper |
| JP1 & JP2 on the adapter board are on top of the original |
| jumper JP7 on the system board. Insert the adapter board |
| firmly into the 8-pin system board socket and follow the |
| jumper settings above to configure your system. |
| |
| If you have any problems installing the DX-6600 or |
| configuring your system, please contact the manufacturer |
| for assisstance. |
+------------------------------------------------------------+