OLIVETTI

M300 BS3CARD

Processor

80386SX

Processor Speed

16MHz

Chip Set

Unidentified

Maximum Onboard Memory

4MB

Cache

None

BIOS

Unidentified

Dimensions

N/A

I/O Options

PS/2 mouse port

NPU Options

80387SX

CONNECTIONS

Function

Label

PS/2 mouse port

CN1

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Factory configured - do not alter

JP3

Closed

»

Factory configured - do not alter

JP5

Closed

 

A20GATE activated through keyboard control

JP6

Pins 1 & 2 closed

 

A20GATE activated in fast mode

JP6

Pins 2 & 3 closed

 

Video adapter - on board BIOS

JP9

Closed

 

Video adapter - not on board BIOS

JP9

Open

 

Mouse IRQ12 enabled

JP11

Closed

 

Mouse IRQ12 disabled

JP11

Open

DRAM

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 9

(1) 256K x 9

(1) 256K x 9

(1) 256K x 9

2MB

(1) 1M x 9

(1) 1M x 9

None

None

4MB

(1) 1M x 9

(1) 1M x 9

(1) 1M x 9

(1) 1M x 9

DRAM JUMPER

Setting

JP1

JP2

100ns fast page mode 4

Open

Open

100ns fast page mode 1

Open

Closed

100ns

Closed

Open

120ns

Closed

Closed

82335

Setting

JP4

JP7

JP8

JP10

82335A

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

82335B

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

MISCELLANEOUS TECHNICAL NOTE

The location of pin 1 is unidentified on all jumpers.