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# MICRON COMPUTER, INC.
MEMORY CARD (2/4MB)
Card Type Memory card
Chip Set Unidentified
Maximum Onboard Memory 4MB RAM
Data Bus 16-bit ISA
Card Size Full-length, full-height card
IMG IMG 1
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | Spare disabled | SW1/1 | Off |
|---+------------------------------------+-------+-----------|
| | Spare enabled | SW1/1 | On |
|---+------------------------------------+-------+-----------|
| » | Parity enabled | SW1/2 | On |
|---+------------------------------------+-------+-----------|
| | Parity disabled | SW1/2 | Off |
|---+------------------------------------+-------+-----------|
| | DMA to extended memory enabled | SW1/7 | On |
|---+------------------------------------+-------+-----------|
| | DMA to extended memory disabled | SW1/7 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SHARED RAM ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/3 | SW1/4 |
|------------------------------+--------------+--------------|
| No backfill, no 384K offset | Off | Off |
|------------------------------+--------------+--------------|
| 384K offset in extended | Off | On |
| memory | | |
|------------------------------+--------------+--------------|
| Backfill 128K to | On | Off |
| conventional memory | | |
|------------------------------+--------------+--------------|
| Backfill 384K to | On | On |
| conventional memory | | |
|------------------------------------------------------------|
| Note: If more than 1 memory board is installed and |
| backfilling is required, only the board using the highest |
| memory address should be set for backfill. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Mainboard | Piggy-back board |
|------------------+--------------------+--------------------|
| 2MB | 2MB | No board |
|------------------+--------------------+--------------------|
| 4MB | 2MB | 2MB |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
|Starting | Ending | Ending |SW1/8 |SW2/1 |SW2/2 |SW2/3|SW2/4|
| address |address |address | | | | | |
| | (2MB) | (4MB) | | | | | |
|---------+--------+--------+------+------+------+-----+-----|
|Board is | | | Off | Off | Off | Off | Off |
| off | | | | | | | |
|---------+--------+--------+------+------+------+-----+-----|
|Board is | | | Off | Off | Off | Off | On |
| off | | | | | | | |
|---------+--------+--------+------+------+------+-----+-----|
| 1024K | 3072K | 5120K | Off | Off | Off | On | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 1536K | 3584K | 5632K | Off | Off | Off | On | On |
|---------+--------+--------+------+------+------+-----+-----|
| 2048K | 4096K | 6144K | Off | Off | On | Off | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 2560K | 4608k | 6656k | Off | Off | On | Off | On |
|---------+--------+--------+------+------+------+-----+-----|
| 3072K | 5120K | 7168K | Off | Off | On | On | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 3584K | 5632K | 7680K | Off | Off | On | On | On |
|---------+--------+--------+------+------+------+-----+-----|
| 4096K | 6144K | 8192K | Off | On | Off | Off | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 4608K | 6656K | 8704K | Off | On | Off | Off | On |
|---------+--------+--------+------+------+------+-----+-----|
| 5120K | 7168K | 9216K | Off | On | Off | On | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 5632K | 7680K | 9728K | Off | On | Off | On | On |
|---------+--------+--------+------+------+------+-----+-----|
| 6144K | 8192K | 10240K | Off | On | On | Off | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 6656K | 8704K | 10752K | Off | On | On | Off | On |
|---------+--------+--------+------+------+------+-----+-----|
| 7168K | 9216K | 11264K | Off | On | On | On | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 7680K | 9728K | 11776K | Off | On | On | On | On |
|---------+--------+--------+------+------+------+-----+-----|
| 8192K | 10240K | 12288K | On | Off | Off | Off | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 8704K | 10752K | 12800K | On | Off | Off | Off | On |
|---------+--------+--------+------+------+------+-----+-----|
| 9216K | 11264K | 13312K | On | Off | Off | On | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 9728K | 11776K | 13824K | On | Off | Off | On | On |
|---------+--------+--------+------+------+------+-----+-----|
| 10240K | 12288K | 14336K | On | Off | On | Off | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 10752K | 12800K | 14848K | On | Off | On | Off | On |
|---------+--------+--------+------+------+------+-----+-----|
| 11264K | 13312K | 15360K | On | Off | Off | On | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 11776K | 13824K | 15872K | On | Off | On | On | On |
|---------+--------+--------+------+------+------+-----+-----|
| 12288K | 14356K | 16384K | On | On | Off | Off | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 12800K | 14848K | 16384K | On | On | Off | Off | On |
|---------+--------+--------+------+------+------+-----+-----|
| 13312K | 15360K | 16384K | On | On | Off | On | Off |
|---------+--------+--------+------+------+------+-----+-----|
| 13824K | 15872K | 16384K | On | On | Off | On | On |
|---------+--------+--------+------+------+------+-----+-----|
| 14336K | 16384K | 16384K | On | On | On | Off | Off |
|---------+--------+--------+------+------+------+-----+-----|
|Board is | | | On | On | On | Off | On |
| off | | | | | | | |
|---------+--------+--------+------+------+------+-----+-----|
|Board is | | | On | On | On | On | Off |
| off | | | | | | | |
|---------+--------+--------+------+------+------+-----+-----|
|Board is | | | On | On | On | On | On |
| off | | | | | | | |
|------------------------------------------------------------|
|Note: The values in this table are only valid if no option |
|board memory is used for backfill and no 384K offset is |
|used. To set starting memory address if backfill or 384K |
|offset is used, set SW2 to the correct value. SW2/1 is the |
|most significant bit and SW2/4 is the least significant bit.|
|The switches have the following values: SW2/1=512KB, |
|SW2/2=1024KB, SW2/3=2048KB, and SW2/4=4096KB. Turn the |
|switches on and add the values to set the starting memory |
|address. (On=1, Off=0) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WAIT STATE SELECTION |
|------------------------------------------------------------|
| Setting | SW1/5 | SW1/6 |
|--------------------+-------------------+-------------------|
| 0 | Off | On |
|--------------------+-------------------+-------------------|
| 1 | On | Off |
+------------------------------------------------------------+