OLIVETTI
M300 BS3CARD
| Processor | 80386SX | 
| Processor Speed | 16MHz | 
| Chip Set | Unidentified | 
| Maximum Onboard Memory | 4MB | 
| Cache | None | 
| BIOS | Unidentified | 
| Dimensions | N/A | 
| I/O Options | PS/2 mouse port | 
| NPU Options | 80387SX | 
 
| CONNECTIONS | |
| Function | Label | 
| PS/2 mouse port | CN1 | 
| USER CONFIGURABLE SETTINGS | |||
| Setting | Label | Position | |
| » | Factory configured - do not alter | JP3 | Closed | 
| » | Factory configured - do not alter | JP5 | Closed | 
| A20GATE activated through keyboard control | JP6 | Pins 1 & 2 closed | |
| A20GATE activated in fast mode | JP6 | Pins 2 & 3 closed | |
| Video adapter - on board BIOS | JP9 | Closed | |
| Video adapter - not on board BIOS | JP9 | Open | |
| Mouse IRQ12 enabled | JP11 | Closed | |
| Mouse IRQ12 disabled | JP11 | Open | |
| DRAM | ||||
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | 
| 1MB | (1) 256K x 9 | (1) 256K x 9 | (1) 256K x 9 | (1) 256K x 9 | 
| 2MB | (1) 1M x 9 | (1) 1M x 9 | None | None | 
| 4MB | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 | (1) 1M x 9 | 
| DRAM JUMPER | ||
| Setting | JP1 | JP2 | 
| 100ns fast page mode 4 | Open | Open | 
| 100ns fast page mode 1 | Open | Closed | 
| 100ns | Closed | Open | 
| 120ns | Closed | Closed | 
| 82335 | ||||
| Setting | JP4 | JP7 | JP8 | JP10 | 
| 82335A | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | 
| 82335B | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | 
| MISCELLANEOUS TECHNICAL NOTE | 
| The location of pin 1 is unidentified on all jumpers. |