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 |