UNIDENTIFIED
ELT-286B-120GM
| 
 Processor  | 
 80286  | 
| 
 Processor Speed  | 
 10/12MHz  | 
| 
 Chip Set  | 
 G-2  | 
| 
 Max. Onboard DRAM  | 
 4MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI/Phoenix  | 
| 
 Dimensions  | 
 220mm x 220mm  | 
| 
 I/O Options  | 
 None  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Turbo LED  | 
 J5  | 
 External battery  | 
 J24  | 
| 
 Power LED & keylock  | 
 J18  | 
 Turbo switch  | 
 J25  | 
| 
 Speaker  | 
 J19  | 
 Reset switch  | 
 J30  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper/Switch  | 
 Position  | |
| » | 
 Factory configured - do not alter  | 
 DSW1/1  | 
 N/A  | 
| » | 
 NPU mode select synchronous with CPU  | 
 JNP  | 
 pins 1 & 2 closed  | 
| 
 NPU mode select asynchronous with CPU  | 
 JNP  | 
 pins 2 & 3 closed  | |
| » | 
 Wait state select CTRL-ALT-0 = 0 wait, CTRL-ALT-1 is 1 wait  | 
 JP2  | 
 pins 1 & 2 closed  | 
| 
 Wait states select zero  | 
 JP2  | 
 pins 2 & 3 closed  | |
| 
 Wait state select one  | 
 JP2  | 
 Open  | |
| » | 
 Factory test disabled  | 
 JP22  | 
 Open  | 
| 
 Factory test enabled  | 
 JP22  | 
 Closed  | |
| » | 
 CPU speed select switchable from keyboard  | 
 JP25  | 
 Open  | 
| 
 CPU speed select fast  | 
 JP25  | 
 Closed  | |
| » | 
 Factory configured - do not alter  | 
 JPX  | 
 N/A  | 
| 
 DRAM CONFIGURATION  | ||||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
 Bank 4  | 
 Bank 5  | 
| 
 256KB  | 
 (4) 44256  | 
 (2) 41256  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 256KB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 512KB  | 
 (4) 44256  | 
 (2) 41256  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
| 
 512KB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 640KB  | 
 (4) 44256  | 
 (2) 41256  | 
 (4) 4464  | 
 (4) 4164  | 
 NONE  | 
 NONE  | 
| 
 640KB  | 
 NONE  | 
 NONE  | 
 (4) 4464  | 
 (4) 4164  | 
 (2) 256K x 9  | 
 NONE  | 
| 
 1MB  | 
 (4) 44256  | 
 (2) 41256  | 
 (4) 44256  | 
 (2) 41256  | 
 NONE  | 
 NONE  | 
| 
 1MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 2MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 1M x 9  | 
 NONE  | 
| 
 4MB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 NONE  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 DRAM SWITCH CONFIGURATION  | |||
| 
 Size  | 
 DSW1/2  | 
 DSW1/3  | 
 DSW1/4  | 
| 
 256KB  | 
 On  | 
 On  | 
 On  | 
| 
 512KB  | 
 On  | 
 On  | 
 Off  | 
| 
 640KB  | 
 On  | 
 Off  | 
 On  | 
| 
 1MB  | 
 On  | 
 Off  | 
 Off  | 
| 
 2MB  | 
 Off  | 
 Off  | 
 On  | 
| 
 4MB  | 
 Off  | 
 Off  | 
 Off  |