OLIVETTI
M6-420/440/450/460/ (BA200X)
Processor |
80486SX/80487SX/80486DX/80486DX2/P24T |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Unidentified |
Maximum Onboard Memory |
100MB |
Cache |
256KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, cache slot, riser slot, audio board connector |
NPU Options |
None |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
PS/2 mouse port |
CN1 |
Floppy drive interface |
CN9 |
Parallel port |
CN2 |
Chassis fan power |
J1 |
Serial port 1 |
CN3 |
Speaker |
J2 |
Serial port 2 |
CN4 |
External battery |
J3 |
VGA port |
CN5 |
Reset switch |
JP7 |
VGA feature connector |
CN6 |
Cache slot |
SL1 |
Audio board connector |
CN7 |
Riser slot |
SL2 |
IDE interface |
CN8 | ||
Note: The location of pin 1 on the connectors is unidentified. |
USER CONFIGURABLE SETTINGS | |||
Setting |
Label |
Position | |
|
CMOS memory normal operation |
JP6 |
Open |
CMOS memory clear |
JP6 |
Pins 2 & 3 closed | |
System normal operation |
JP7 |
Open | |
System reset |
JP7 |
Closed | |
|
87311/12 address select 398 - 399 |
SW1/1 |
Off |
87311/12 address select 26E - 26F |
SW1/1 |
On | |
|
Setup access enabled |
SW1/2 |
Off |
Setup access disabled |
SW1/2 |
On | |
|
Bootstrap from serial port enabled |
SW1/3 |
Off |
Bootstrap from serial port disabled |
SW1/3 |
On | |
|
Flash BIOS write disabled |
SW1/4 |
Off |
Flash BIOS write enabled |
SW1/4 |
On | |
|
Floppy drive write enabled |
SW1/5 |
Off |
Floppy drive write disabled |
SW1/5 |
On | |
|
RAMDAC write enabled |
SW1/6 |
Off |
RAMDAC write disabled |
SW1/6 |
On | |
On board video enabled |
SW1/7 |
Off | |
On board video disabled |
SW1/7 |
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 |
(1) 1M x 36 |
None |
None |
12MB |
4MB |
(1) 2M x 36 |
None |
None |
12MB |
4MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
16MB |
4MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
16MB |
4MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
16MB |
4MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
20MB |
4MB |
(1) 4M x 36 |
None |
None |
20MB |
4MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
DRAM (CONT) | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
20MB |
4MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
24MB |
4MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
24MB |
4MB |
(1) 1M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
24MB |
4MB |
(1) 1M x 36 |
(1) 4M x 36 |
None |
28MB |
4MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
28MB |
4MB |
(1) 4M x 36 |
(1) 2M x 36 |
None |
28MB |
4MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
28MB |
4MB |
(1) 2M x 36 |
(1) 4M x 36 |
None |
36MB |
4MB |
(1) 8M x 36 |
None |
None |
36MB |
4MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
36MB |
4MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
40MB |
4MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
40MB |
4MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
40MB |
4MB |
(1) 1M x 36 |
(1) 8M x 36 |
None |
44MB |
4MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
44MB |
4MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
44MB |
4MB |
(1) 2M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
44MB |
4MB |
(1) 2M x 36 |
(1) 8M x 36 |
None |
52MB |
4MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
52MB |
4MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
52MB |
4MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
52MB |
4MB |
(1) 4M x 36 |
(1) 8M x 36 |
None |
70MB |
4MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
70MB |
4MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
72MB |
4MB |
(1) 1M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
76MB |
4MB |
(1) 2M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
84MB |
4MB |
(1) 4M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
100MB |
4MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
Note: Bank 0 is factory installed and is not configurable. |
CACHE SIZE | |
Size |
SL1 |
256KB |
Installed |
CPU SPEED | |
Setting |
SW1/8 |
25MHz |
Off |
33MHz |
On |
50iMHz |
Off |
66iMHz |
On |
DMA CHANNEL | ||||
Setting |
JP9 |
JP10 |
JP11 |
JP12 |
DMA0 |
Pins 1 & 2 closed |
N/A |
Pins 1 & 2 closed |
N/A |
DMA1 |
N/A |
Pins 1 & 2 closed |
N/A |
Pins 1 & 2 closed |
DMA5 |
Pins 2 & 3 closed |
N/A |
Pins 2 & 3 closed |
N/A |
VIDEO MEMORY | |
Size |
Bank 0 |
None |
None |
1MB |
(4) 256K x 8 |