ITT CORPORATION
XTRA/PROFESSIONAL SERIES 400
Processor | 80286 |
Processor Speed | 6/10MHz |
Chip Set | Unidentified |
Max. Onboard DRAM | 1MB (exact location unidentified) |
Cache | None |
BIOS | Unidentified |
Dimensions | 355mm x 305mm |
I/O Options | Floppy drive interface |
NPU Options | 80287 |
CONNECTIONS | |
Purpose | Location |
Floppy drive interface | CN1 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Factory configured - do not alter | JP6 | pins 2 & 3 closed |
» | Floppy drive interface enabled | JP7 | pins 1 & 2 closed |
Floppy drive interface disabled | JP7 | pins 2 & 3 closed | |
» | Floppy drive address select 37X | JP8 | pins 1 & 2 closed |
Floppy drive address select 3FX | JP8 | pins 2 & 3 closed | |
» | Hard drive controller installed | JP9 | pins 1 & 2 closed |
Hard drive controller not installed | JP9 | pins 2 & 3 closed | |
» | Power on wait state select 1 wait states | JP10 | pins 1 & 2 closed |
Power on wait state select 0 wait state | JP10 | pins 2 & 3 closed |
DRAM CONFIGURATION |
Size |
256KB |
512KB |
640KB |
1MB |
Note:The chip size and location of the memory is unidentified. |
DRAM JUMPER CONFIGURATION | ||
Size | JP4 | JP5 |
256KB | pins 2 & 3 closed | pins 1 & 2 closed |
512KB | pins 1 & 2 closed | pins 1 & 2 closed |
640KB | pins 2 & 3 closed | pins 2 & 3 closed |
1MB | pins 1 & 2 closed | pins 2 & 3 closed |
CPU POWER UP SPEED CONFIGURATION | |
Speed | JP3 |
6MHz | pins 2 & 3 closed |
10MHz | pins 1 & 2 closed |
BIOS CONFIGURATION | ||
Type | JP1 | JP2 |
EPROM | pins 1 & 2 closed | pins 1 & 2 closed |
Masked ROM | pins 2 & 3 closed | pins 2 & 3 closed |