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M6-520/540/560 (BA2015, 202X, 209X)

OLIVETTI

M6-520/540/560 (BA2015, 202X, 209X)

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

Unidentified

Maximum Onboard Memory

64MB

Cache

256KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

Floppy drive interface, IDE interface, SCSI connector, parallel port, PS/2 mouse port, serial ports (2), VGA port, cache slot, riser slot

NPU Options

None

CONNECTIONS

Function

Label

Function

Label

Serial port 1

CN1

Floppy drive interface

CN8

Serial port 2

CN2

SCSI terminator

J1

VGA port

CN3

SCSI terminator

J2

Parallel port

CN4

Chassis fan power

J3

PS/2 mouse port

CN5

Speaker

J4

SCSI connector

CN6

Cache slot

SL1

IDE interface

CN7

Riser slot

SL2

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

SCSI terminators enabled

P5

Pins 1 & 2 closed

 

SCSI terminators disabled

P5

Pins 2 & 3 closed

»

Password disabled

P7

Pins 1 & 2 closed

 

Password enabled

P7

Pins 2 & 3 closed

»

Floppy drives not write protected

P8

Open

 

Floppy drives write protected

P8

Closed

»

Serial ports and parallel port enabled

P9

Open

 

Serial ports and parallel port disabled

P9

Closed

»

Serial port bootstrap enabled

P11

Open

 

Serial port bootstrap disabled

P11

Closed

»

Floppy drive bootstrap enabled

P12

Closed

 

Floppy drive bootstrap disabled

P12

Open

»

Factory configured - do not alter

SW1/5

Off

»

Factory configured - do not alter

SW1/6

Off

 

BIOS update through utility

SW1/8

On

 

BIOS write enabled

SW1/8

Off

Note: On jumper P7, if jumper is set on 1 & 2, move to 2 & 3. The jumper doesn’t have to be moved back to 1 & 2. The reverse is true if 2 & 3 are closed. Move to 1 & 2.

DRAM

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

64MB

(2) 4M x 36

(2) 4M x 36

CACHE SIZE

Size

SL1

256KB

Installed

CPU SPEED

Setting

SW1/7

25MHz

On

33MHz

Off

50iMHz

On

66iMHz

Off

FLOPPY DRIVE A

Setting

SW1/1

SW1/2

1.44MB

On

On

2.88MB

Off

On

1.2MB/none installed

On

Off

80/120MB streaming tape

Off

Off

FLOPPY DRIVE B

Setting

SW1/3

SW1/4

1.44MB

On

On

2.88MB

Off

On

1.2MB/none installed

On

Off

80/120MB streaming tape

Off

Off

VIDEO MEMORY

Size

Bank 0

1MB

(4) 256K x 8