OLIVETTI
M400-60 (BA334)
| 
 Processor  | 
 80486SX/80487SX/80486DX2  | 
| 
 Processor Speed  | 
 25/33/50(internal)/66(internal)MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Video Chip Set  | 
 Unidentified  | 
| 
 Maximum Onboard Memory  | 
 52MB  | 
| 
 Maximum Video Memory  | 
 Unidentified  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 Unidentified  | 
| 
 Dimensions  | 
 355mm x 304mm  | 
| 
 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  | 
 None  | 
| 
 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  | |
| 
 »  | 
 Hard drives installed 1  | 
 J16  | 
 Closed  | 
| 
 Hard drives installed 2  | 
 J16  | 
 Open  | |
| 
 »  | 
 Serial port enabled  | 
 SW1/1  | 
 On  | 
| 
 Serial port disabled  | 
 SW1/1  | 
 Off  | |
| 
 »  | 
 Factory configured - do not alter  | 
 SW1/2  | 
 On  | 
| 
 »  | 
 Floppy drive write protect disabled  | 
 SW1/3  | 
 On  | 
| 
 Floppy drive write protect enabled  | 
 SW1/3  | 
 Off  | |
| 
 »  | 
 Factory configured - do not alter  | 
 SW1/4  | 
 N/A  | 
| 
 Note: The location of pin 1 on SW1 is unidentified.  | |||
| 
 DRAM CONFIGURATION  | ||||
| 
 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  | 
| 
 52MB  | 
 4MB  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
 (4) 4M x 9  | 
| 
 Note: Bank 0 is factory installed and is not configurable.  | ||||
| 
 VIDEO MEMORY CONFIGURATION  | 
| 
 Note: The size and chip type of the video memory is unidentified.  | 
| 
 CPU TYPE SELECTION  | |||
| 
 Setting  | 
 J18  | 
 J19  | 
 J20  | 
| 
 80486SX  | 
 Open  | 
 Open  | 
 Pins 2 & 3 closed  | 
| 
 80487SX  | 
 Pins 2 & 3 closed  | 
 Closed  | 
 Pins 1 & 2 closed  | 
| 
 80486DX2  | 
 Pins 1 & 2 closed  | 
 Closed  | 
 Pins 1 & 2 closed  | 
| 
 CPU SPEED SELECTION  | |
| 
 Speed  | 
 J21  | 
| 
 25MHz  | 
 Pins 2 & 3 closed  | 
| 
 33MHz  | 
 Pins 1 & 2 closed  | 
| 
 50iMHz  | 
 Pins 2 & 3 closed  | 
| 
 66iMHz  | 
 Pins 1 & 2 closed  | 
| 
 RING INDICATOR/INPUT SIGNAL CONFIGURATION  | |||
| 
 Setting  | 
 J7  | 
 J8  | |
| 
 FAIL SAFE enabled  | 
 Closed  | 
 Closed  | |
| » | 
 FAIL SAFE disabled  | 
 Open  | 
 Open  |