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ROADRUNNER AM-172

ALPHA MICROSYSTEMS

ROADRUNNER AM-172

Processor

Motorola 68030

Processor Speed

40MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

32MB

Maximum Video Memory

None

Cache

256KB

BIOS

Unidentified

Dimensions

Unidentified

I/O Options

SCSI interface, X-bus connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power connector

CN1

X-bus connector

J2

SCSI interface

J1

X-bus connector

J3

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

C1

Open

Factory configured - do not alter

C3

Closed

Factory configured - do not alter

C4

Open

Factory configured - do not alter

C5

Closed

X-bus active termination enabled

JP4

Closed

 

X-bus active termination disabled

JP4

Open

Factory configured - do not alter

JP16

Closed

DRAM CONFIGURATION

Size

Bank 0

4MB

(1) 1M x 36

8MB

(1) 2M x 36

16MB

(1) 4M x 36

32MB

(1) 8M x 36

DRAM JUMPER CONFIGURATION

Size

JP5

JP6

4MB

Closed

Closed

8MB

Closed

Open

16MB

Open

Closed

32MB

Open

Open

CACHE CONFIGURATION

Note: The location of the 256KB cache is unidentified.

CACHE JUMPER CONFIGURATION

Setting

C2

Enabled

Open

Disabled

Closed

TERMINATION POWER SELECTION

Setting

JP1

TERMPWR enabled

Pins 2 & 3 closed

 

TERMPWR disabled

Pins 1 & 2 closed

SCSI BUS SELECTION

Setting

JP2

SCSI bus active termination enabled

Pins 1 & 2 closed

 

SCSI bus active termination disabled

Pins 2 & 3 closed