OLIVETTI
M4-60/62/64/65/66
|
Processor |
80486SX/80487SX/80486DX/80486DX2 |
|
Processor Speed |
25/33/50(internal)/50/66(internal)MHz |
|
Chip Set |
Unidentified |
|
Max. Onboard DRAM |
36MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
330mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VGA port |
CN1 |
CD ROM interface |
CN6 |
|
Serial port 2 |
CN2 |
IDE interface |
CN7 |
|
Serial port 1 |
CN3 |
Floppy drive interface |
CN8 |
|
Parallel port |
CN4 |
Riser Card |
SL1 |
|
PS/2 mouse port |
CN5 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Jumper |
Position | |
|
|
CMOS memory normal operation |
J12 |
pins 2 & 3 closed |
|
CMOS memory clear |
J12 |
pins 1 & 2 closed | |
|
|
IRQ12 enabled for PS/2 mouse |
J13 |
pins 2 & 3 closed |
|
IRQ12 disabled |
J13 |
pins 1 & 2 closed | |
|
|
Serial port 1 bootstrapping enabled |
J21 |
pins 2 & 3 closed |
|
Serial port 1 bootstrapping disabled |
J21 |
pins 1 & 2 closed | |
|
|
Serial port 2 bootstrapping enabled |
J25 |
pins 2 & 3 closed |
|
Serial port 2 bootstrapping disabled |
J25 |
pins 1 & 2 closed | |
|
|
Floppy drive write enabled |
J33 |
pins 2 & 3 closed |
|
Floppy drive write disabled |
J33 |
pins 1 & 2 closed | |
|
|
On board VGA enabled |
J45 |
pins 2 & 3 closed |
|
On board VGA disabled |
J45 |
pins 1 & 2 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
4MB |
NONE |
|
8MB |
4MB |
(1) 1M x 36 |
|
12MB |
4MB |
(1) 2M x 36 |
|
20MB |
4MB |
(1) 4M x 36 |
|
36MB |
4MB |
(1) 8M x 36 |
|
Note: Bank 0 is factory installed and is not configurable. The location is unknown. | ||
|
VRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
(1) 411000 |
NONE |
|
1MB |
(1) 411000 |
(1) 411000 |