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# UNIDENTIFIED
MULTIFUNCTION BOARD WITH CLOCK/CALENDAR
Card Type Memory card
Chipset/Controller Unidentified
I/O Options Clock, serial port
Maximum DRAM 512KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| Serial port | J3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 256KB | (8) 41256 | NONE |
|------------------+--------------------+--------------------|
| 512KB | (8) 41256 | (8) 41256 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONTINUED) |
|------------------------------------------------------------|
| Total System Memory | J1/A | J1/B |
|---------------------+-------------------+------------------|
| 384KB | Closed | Open |
|---------------------+-------------------+------------------|
| 640KB | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port (J3) | J2/A | J2/B |
|--------------------+-------------------+-------------------|
| COM1 | Open | Closed |
|--------------------+-------------------+-------------------|
| COM2 | Closed | Open |
+------------------------------------------------------------+