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M6-420/440/450/460/ (BA200X)

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 (CON’T)

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