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M4-60/62/64/65/66

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