SIEMENS NIXDORF INFORMATIONSSYSTEME AG
486 MODEL 402
| 
 Processor  | 
 80486DX  | 
| 
 Processor Speed  | 
 25MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 None (4/8/16MB on 32-bit external memory cards)  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Phoenix  | 
| 
 Dimensions  | 
 355.6mm x 304mm  | 
| 
 I/O Options  | 
 Floppy drive interface, parallel port, mouse port, serial ports (2), 32-bit external memory card slots (4)  | 
| 
 NPU Options  | 
 None  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Mouse port  | 
 J3  | 
 Floppy connecter  | 
 J22  | 
| 
 Parallel port  | 
 J4  | 
 Auxillary power connecter  | 
 J23 & J25  | 
| 
 Serial port 1  | 
 J5  | 
 Auxillary front panel connecter  | 
 J24 & J26  | 
| 
 Serial port 2  | 
 J6  | 
 32-bit external memory cards  | 
 S1 - S4  | 
| 
 Front panel connecter  | 
 J16  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| » | 
 Password enabled  | 
 JP1  | 
 pins 2 & 3 closed  | 
| 
 Password disabled  | 
 JP1  | 
 pins 1 & 2 closed  | |
| » | 
 BIOS type select 27256  | 
 JP2  | 
 pins 1 & 2 closed  | 
| 
 BIOS type select 27512  | 
 JP2  | 
 pins 2 & 3 closed  | |