OLIVETTI
M286/25
| 
 Processor  | 
 80386DX  | 
| 
 Processor Speed  | 
 25MHz  | 
| 
 Chip Set  | 
 C & T  | 
| 
 Max. Onboard DRAM  | 
 10MB  | 
| 
 Cache  | 
 32KB  | 
| 
 BIOS  | 
 Olivetti  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 I/O Options  | 
 32-bit external memory card  | 
| 
 NPU Options  | 
 80387DX/3167  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 PS/2 mouse port  | 
 CN1  | 
 IDE interface  | 
 CN5  | 
| 
 Parallel port  | 
 CN2  | 
 Floppy drive interface  | 
 CN6  | 
| 
 Serial port  | 
 CN3  | 
 32-bit external memory card  | 
 S1  | 
| 
 Video port  | 
 CN4  | 
 
  | 
 
  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| 
 »  | 
 Normal operation  | 
 J11, J12  | 
 Closed  | 
| 
 
  | 
 Indicates the level from the RS232 threshold  | 
 J11, J12  | 
 Open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 J14  | 
 Closed  | 
| 
 »  | 
 CMOS memory normal operation  | 
 J27  | 
 Open  | 
| 
 
  | 
 CMOS memory clear  | 
 J27  | 
 Open  | 
| 
 »  | 
 Cache controller select 82385  | 
 J28  | 
 Open  | 
| 
 
  | 
 Cache controller select other  | 
 J28  | 
 Closed  | 
| 
 »  | 
 NPU synchronous with CPU  | 
 J30  | 
 Open  | 
| 
 
  | 
 NPU asynchronous  | 
 J30  | 
 Closed  | 
| 
 »  | 
 BIOS enabled  | 
 J32  | 
 Open  | 
| 
 
  | 
 BIOS disabled  | 
 J32  | 
 Closed  | 
| 
 DRAM CONFIGURATION  | |||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
| 
 2MB  | 
 (8) 44256  | 
 None  | 
 None  | 
| 
 3MB  | 
 (8) 44256  | 
 (4) 256K x 9  | 
 None  | 
| 
 4MB  | 
 (8) 44256  | 
 (4) 256K x 9  | 
 (4) 256K x 9  | 
| 
 6MB  | 
 (8) 44256  | 
 (4) 1M x 9  | 
 None  | 
| 
 10MB  | 
 (8) 44256  | 
 (4) 1M x 9  | 
 (4) 1M x 9  |