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# OLIVETTI
M290-25 (BA08)/M290-30 (BA278)
Processor AM286 (M290-30)/80286 (M290-25)
Processor Speed 20MHz
Chip Set Topcat
Maximum Onboard 17MB
Memory
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Floppy drive interfaces (2), parallel port,
PS/2 mouse port, serial port, VGA port, riser
slot
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| PS/2 mouse port | CN1 | Floppy drive | CN6 |
| | | interface | |
|----------------------+-------+---------------------+-------|
| Serial port | CN2 | Key connector | J1 |
|----------------------+-------+---------------------+-------|
| Parallel port | CN3 | Hard drive LED | J2 |
|----------------------+-------+---------------------+-------|
| VGA port | CN4 | Riser slot | SL1 |
|----------------------+-------+---------------------+-------|
| Floppy drive | CN5 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|----------------------------------+-------+-----------------|
| | Password normal operation | PA | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | Password clear | PA | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory normal operation | P1 | Closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | P1 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|-----------+-------------+-----------------+----------------|
| 1MB | 1MB | None | None |
|-----------+-------------+-----------------+----------------|
| 3MB | 1MB | (2) 1M x 9 | None |
|-----------+-------------+-----------------+----------------|
| 5MB | 1MB | (2) 1M x 9 | (2) 1M x 9 |
|-----------+-------------+-----------------+----------------|
| 9MB | 1MB | (2) 4M x 9 | None |
|-----------+-------------+-----------------+----------------|
| 17MB | 1MB | (2) 4M x 9 | (2) 4M x 9 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY |
|------------------------------------------------------------|
| Note: The size and chip types are unidentified. |
+------------------------------------------------------------+