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# DTK COMPUTER, INC.
RAM WINDOW EMS CARD
Card Type Memory card
Chipset Controller N/A
I/O Options Memory
Maximum DRAM 2MB
IMG IMG 1
+------------------------------------------------------------+
| MAINBOARD MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Memory | SW1/2 | SW1/3 | SW1/4 |
|---------------+--------------+--------------+--------------|
| 256KB | Off | On | On |
|---------------+--------------+--------------+--------------|
| 320KB | Off | On | Off |
|---------------+--------------+--------------+--------------|
| 384KB | Off | Off | On |
|---------------+--------------+--------------+--------------|
| 448KB | Off | Off | Off |
|---------------+--------------+--------------+--------------|
| 512KB | On | On | On |
|---------------+--------------+--------------+--------------|
| 576KB | On | On | Off |
|---------------+--------------+--------------+--------------|
| 640KB | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CHIP SIZE CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 |
|------------------------------+-----------------------------|
| 64KB | Off |
|------------------------------+-----------------------------|
| 256KB | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
|------------+-----------+-----------+-----------+-----------|
| 208h | On | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 218h | On | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 258h | On | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 268h | On | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 2A8h | Off | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 2B8h | Off | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 2E8h | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 64KB | (9) 64K x | NONE | NONE | NONE |
| | 1 | | | |
|--------+------------+------------+------------+------------|
| 128KB | (9) 64K x | (9) 64K x | NONE | NONE |
| | 1 | 1 | | |
|--------+------------+------------+------------+------------|
| 192KB | (9) 64K x | (9) 64K x | (9) 64K x | NONE |
| | 1 | 1 | 1 | |
|--------+------------+------------+------------+------------|
| 256KB | (9) 64K x | (9) 64K x | (9) 64K x | (9) 64K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 256KB | (9) 256K x | NONE | NONE | NONE |
| | 1 | | | |
|--------+------------+------------+------------+------------|
| 320KB | (9) 64K x | (9) 64K x | (9) 64K x | (9) 64K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 384KB | (9) 64K x | (9) 64K x | (9) 64K x | (9) 64K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 448KB | (9) 64K x | (9) 64K x | (9) 64K x | (9) 64K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 512KB | (9) 64K x | (9) 64K x | (9) 64K x | (9) 64K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 512KB | (9) 256K x | (9) 256K x | NONE | NONE |
| | 1 | 1 | | |
|--------+------------+------------+------------+------------|
| 768KB | (9) 256K x | (9) 256K x | (9) 256K x | NONE |
| | 1 | 1 | 1 | |
|--------+------------+------------+------------+------------|
| 1MB | (9) 256K x | (9) 256K x | (9) 256K x | (9) 256K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 1.25MB | (9) 256K x | (9) 256K x | (9) 256K x | (9) 256K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 1.5MB | (9) 256K x | (9) 256K x | (9) 256K x | (9) 256K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 1.75MB | (9) 256K x | (9) 256K x | (9) 256K x | (9) 256K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 2MB | (9) 256K x | (9) 256K x | (9) 256K x | (9) 256K x |
| | 1 | 1 | 1 | 1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 4 | Bank 5 | Bank 6 | Bank 7 |
|--------+------------+------------+------------+------------|
| 64KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 128KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 192KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 256KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 256KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 320KB | (9) 64K x | NONE | NONE | NONE |
| | 1 | | | |
|--------+------------+------------+------------+------------|
| 384KB | (9) 64K x | (9) 64K x | NONE | NONE |
| | 1 | 1 | | |
|--------+------------+------------+------------+------------|
| 448KB | (9) 64K x | (9) 64K x | (9) 64K x | NONE |
| | 1 | 1 | 1 | |
|--------+------------+------------+------------+------------|
| 512KB | (9) 64K x | (9) 64K x | (9) 64K x | (9) 64K x |
| | 1 | 1 | 1 | 1 |
|--------+------------+------------+------------+------------|
| 512KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 768KB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 1MB | NONE | NONE | NONE | NONE |
|--------+------------+------------+------------+------------|
| 1.25MB | (9) 256K x | NONE | NONE | NONE |
| | 1 | | | |
|--------+------------+------------+------------+------------|
| 1.5MB | (9) 256K x | (9) 256K x | NONE | NONE |
| | 1 | 1 | | |
|--------+------------+------------+------------+------------|
| 1.75MB | (9) 256K x | (9) 256K x | (9) 256K x | NONE |
| | 1 | 1 | 1 | |
|--------+------------+------------+------------+------------|
| 2MB | (9) 256K x | (9) 256K x | (9) 256K x | (9) 256K x |
| | 1 | 1 | 1 | 1 |
+------------------------------------------------------------+