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 |