OLIVETTI
M286/25
Processor |
80386DX |
Processor Speed |
25MHz |
Chip Set |
C & T |
Max. Onboard DRAM |
10MB |
Cache |
32KB |
BIOS |
Olivetti |
Dimensions |
355mm x 304mm |
I/O Options |
32-bit external memory card |
NPU Options |
80387DX/3167 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
CN1 |
IDE interface |
CN5 |
Parallel port |
CN2 |
Floppy drive interface |
CN6 |
Serial port |
CN3 |
32-bit external memory card |
S1 |
Video port |
CN4 |
|
|
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper/Switch |
Position | |
» |
Normal operation |
J11, J12 |
Closed |
|
Indicates the level from the RS232 threshold |
J11, J12 |
Open |
» |
Factory configured - do not alter |
J14 |
Closed |
» |
CMOS memory normal operation |
J27 |
Open |
|
CMOS memory clear |
J27 |
Open |
» |
Cache controller select 82385 |
J28 |
Open |
|
Cache controller select other |
J28 |
Closed |
» |
NPU synchronous with CPU |
J30 |
Open |
|
NPU asynchronous |
J30 |
Closed |
» |
BIOS enabled |
J32 |
Open |
|
BIOS disabled |
J32 |
Closed |
DRAM CONFIGURATION | |||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
2MB |
(8) 44256 |
None |
None |
3MB |
(8) 44256 |
(4) 256K x 9 |
None |
4MB |
(8) 44256 |
(4) 256K x 9 |
(4) 256K x 9 |
6MB |
(8) 44256 |
(4) 1M x 9 |
None |
10MB |
(8) 44256 |
(4) 1M x 9 |
(4) 1M x 9 |