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Install Memory DIMMs

Memory Configuration

The memory subsystem is composed of:

• Three (3) independent slots.

• Each slot accepts 168-pin, PC100 SDRAM

Unbuffered SPD DIMMs.

Before installing DIMMs, carefully review the 
picture and guidelines shown to the right 
and below.

Memory Guidelines

• DIMM size can be 64 MB, 128 MB, or 256 MB.

• Each slot can use different size DIMMs.

• Memory is supported in a size range between 

64 MB (min) to 768 MB (max).

Total Memory No. of DIMMs

Slot 1

Slot 2

Slot 0

64 MB

1

64 MB

128 MB

1

128 MB

128 MB

2

64 MB

64 MB

256 MB

1

256 MB

256 MB

2

128 MB

128 MB

256 MB

3

128 MB

64 MB

64 MB

384 MB

2

256 MB

128 MB

512 MB

2

256 MB

256 MB

512 MB

3

256 MB

128 MB

128 MB

768 MB

256 MB

256 MB

256 MB

E

J4 – 

Slot 2

(populate second)

J3 – 

Slot 1

(populate first)

J2 – 

Slot 0

(populate last)

F

Internal Connections

Internal I/O Connections

Make the following connections using the appropriate cables:

Fan Power Connections

J30

Alpha 21264A 

Processor Fan Power

J18

ATX Power

Power Connections

G

!

J23

Power Button Connector

J27

Reset Button Connector

J28

Keyboard Lock Cable Connector

J26

Hard Disk Drive (HDD) Activity LED Connector

J19

Power LED Connector

J25

Speaker Cable Connector

Circle indicates ground.

H

Power Down Technique

To power down a UP1100 system, press the Power switch and hold it for at least 
five (5) seconds.

Reference Materials

For procedures on booting the UP1100 and other information, refer to the 

UP1100 User Manual

(

P/N 51-0048-0A)

A copy of the manual is available from our website: 

http://www.alpha-processor.com

Also, refer to the AlphaLinux website: 

http://www.alphalinux.org

KEYBOARD

MOUSE

PARALLEL

J15

J14

J13

Initial System Test

Follow this procedure to confirm the proper installation of the UP1100 System:

1. Ensure that all cables are seated properly. 

2. Plug enclosure into power source.

3. Turn on enclosure power.

Your console screen will list the initialization messages.

The following command line prompt will appear:

>>>

Note: 

If the command line prompt does not appear, refer
to the 

UP1100 User Manual

P/N 51-0048-0A

,

for troubleshooting information.

Install Cards & Cables

Bus Connections

Use the following slots for access to PCI and AGP bus support.

J5

32-Bit PCI (Slot 0)

J6

32-Bit PCI (Slot 1)

J7

32-Bit PCI (Slot 2)

J1

AGP

J12 

Floppy Diskette 

Drive Connector

J10 

IDE Primary

Channel Connector

J11 

IDE Secondary

Channel Connector

Disk Port Connections

Use sockets J10, J11, and
J12 to connect various disk 
peripheral devices.

J17 

CD Audio In

Rear Panel I/O Connections

I

Final Tasks

J

J8

J16

J9

J29

System Fan Power Connector

Square indicates Pin 1.

LAN

COM2

COM1

MIC

IN

Audio 

In

Audio 

Out

USB 

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