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 |