OLIVETTI
M400-10 (PCB BA901)
Processor | 80486SX/80487SX/80486DX |
Processor Speed | 25MHz |
Chip Set | Unidentified |
Maximum Onboard Memory | 52MB |
Cache | None |
BIOS | Unidentified |
Dimensions | 355mm x 305mm |
I/O Options | Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, feature connector, VGA port, riser slot, console connector |
NPU Options | 4167 |
CONNECTIONS | |||
Function | Label | Function | Label |
PS/2 mouse port | CN1 | IDE interface | CN6 |
Parallel port | CN2 | Floppy drive interface | CN7 |
Serial port | CN3 | Console connector | CN8 |
VGA port | CN4 | Riser slot | SL1 |
Feature connector | CN5 |
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
» | ROM BIOS enabled | J11 | Closed |
ROM BIOS disabled | J11 | Open | |
» | Floppy drive oscillator enabled | J13 | Closed |
Floppy drive oscillator disabled | J13 | Open | |
» | CMOS memory normal operation | J15 | Open |
CMOS memory clear | J15 | Closed | |
» | One hard drive installed | J16 | Closed |
Two hard drives installed | J16 | Open | |
» | Serial port enabled | SW1/1 | On |
Serial port disabled | SW1/1 | Off | |
» | Built in setup enabled | SW1/2 | On |
Built in setup disabled | SW1/2 | Off | |
» | Floppy drive write enabled | SW1/3 | On |
Floppy drive write disabled | SW1/3 | Off | |
» | Factory configured - do not alter | SW1/4 | On |
Note: The location of pin 1 on SW1 is unidentified. |
DRAM | ||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
4MB | 4MB | None | None | None |
8MB | 4MB | (4) 1M x 9 | None | None |
12MB | 4MB | (4) 1M x 9 | (4) 1M x 9 | None |
16MB | 4MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
20MB | 4MB | (4) 4M x 9 | None | None |
24MB | 4MB | (4) 1M x 9 | (4) 4M x 9 | None |
36MB | 4MB | (4) 4M x 9 | (4) 4M x 9 | None |
40MB | 4MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
40MB | 4MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 |
40MB | 4MB | (4) 4M x 9 | (4) 1M x 9 | (4) 4M x 9 |
52MB | 4MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
Note: Bank 0 is factory installed and is not configurable. |
CPU TYPE | |||
Setting | J18 | J19 | J20 |
80486SX | Open | Open | Pins 2 & 3 closed |
80487SX | Pins 2 & 3 closed | Closed | Pins 1 & 2 closed |
80486DX | Pins 1 & 2 closed | Closed | Pins 1 & 2 closed |
SERIAL PORT RING INDICATOR | |||
Setting | J7 | J8 | |
» | FAIL SAFE enabled | Closed | Closed |
FAIL SAFE disabled | Open | Open |