Micronics W6-LI User Manual

W6-LI Pentium Pro

PCI/ISA

System Board Manual

Document Number: 06-00288-03, Rev. 1B

May 1997

45365 Northport Loop West, Fremont, CA 94538

Copyright  1996, 1997 Micronics Computers, Inc. The information contained in the W6-LI PCI/ISA Dual Pentium Pro Processor system

board manual has been carefully checked and is believed to be accurate. Micronics assumes no responsibility for any inaccuracies that may be contained in this document. Micronics makes no commitments to update or to keep the information in this manual at a current level when changes are made to the product.

Micronics reserves the right to make improvements to this document and/or product at any time and without notice. All Rights Reserved. No part of this document may be photocopied, reproduced, translated, or reduced to any medium or machine form without prior, written consent from Micronics.

Portions of the Manual

Trademarks

IBM is a registered trademark of International Business Machines. Microsoft and Windows are registered trademarks of Microsoft Corporation. Intel and PCI are registered trademarks of Intel Corporation. All other product names mentioned herein are used for identification purposes only and may be the trademarks of their respective companies.

W6-LI System Board Manual

Table of Contents

Introduction 5

Features 6 Software Compatibility 7 Before You Begin 8

Chapter 1 - Quick Installation 9

Installing the W6-LI 9

Chapter 2 - Configuring the W6-LI 11

Static Electricity 11 Office Environment 11 W6-LI System Board 12 W6-LI Back Panel Connections 12 Jumper Settings 13

Chapter 3 - Installing the W6-LI 17

Introduction 17 System Memory Support 17 Installing the W6-LI 18

Tools Required 18 Equipment Required 18

System Memory 19

DIMMs Supported 19

Adding Memory 19 Memory Configurations 21 Installing the DIMMs 25

Removing DIMMs 25 Installing a CPU 26 Installing a PCI Peripheral Card 27 Installing a ISA Peripheral Card 28

W6-LI System Board Manual

Installing a CD-ROM Drive 29 The W6-LI Sound Option 30

Connecting Sound Devices 30 Connecting the Telephony Option 31

Connecting the SCSI Option 32

Chapter 4 - The BIOS Setup Utility 33

Configuration 33 Initial Bootup 33 Setup 33 Running the Setup Procedure 35 Setting the Main Screen 35

Setting the Advanced Screen 40 Security Screen 43 Power Screen 46 Boot Screen 48 Exit Screen 49

Chapter 5 - Installing Device Drivers 51

About Device Drivers 51 Installing the Sound Drivers 51 Installing the SCSI Drivers 52

Appendix A - Technical Information 53

Specifications 53 Environmental Specifications 54

Temperature Range 54

Relative Humidity 54 Battery Disposal 55 Support and Information Services 56

Technical Support 56

W6-LI System Board Manual

Appendix B - Post Messages 59

Appendix C - Beep and POST Codes 61

Appendix D - Hard Disk Drive Types 65

Appendix E - Updating the System BIOS 67

Appendix F - Warranties and Notices 69

Limited Warranty 69 FCC Statement 71 Declaration of Conformity 72

Glossary 73

Index 77

W6-LI System Board Manual

List of Figures

Figure 1.1: Power-Up Screen 10 Figure 2.1: W6-LI System Board 12 Figure 2.2: W6-LI Back Panel Connections 12 Figure 3.1: Installing a 168-Pin DIMM 25 Figure 3.2: Installing a PCI Card 27 Figure 3.3: Installing an ISA Peripheral Card 28 Figure 3.4: Connecting External Sound Devices 30 Figure 4.1: Power-Up Screen 34 Figure 4.2: CMOS Main Screen 35 Figure 4.3: IDE Device Submenu 38 Figure 4.4: Advanced Screen 40 Figure 4.5: Security Screen 43 Figure 4.6: Supervisor Password Submenu 44 Figure 4.7: Power Screen 46 Figure 4.8: Boot Screen 48 Figure 4.9: Exit Screen 49

List of Tables

Table 2.1: CPU Speed Selection 13 Table 2.2: CPU Voltage Selection 13 Table 2.3: ISA Bus Clock Selection 14 Table 2.4: System Power Supply Setting 14 Table 2.5: Clear CMOS Settings 14 Table 2.6: Onboard Sound Selection 14 Table 2.7: Pipelining Mode Settings 15 Table 2.8: Onboard SCSI Selection 15 Table 2.9: Case and Peripheral Connections 15 Table 3.1: Memory Configurations 21 Table A.1: Support and Information Services 57

W6-LI System Board Manual

Introduction

Thank you for choosing the W6-LI system board. The W6-LI is the highest performing advanced dual processor solution for the industry's most demanding workstation and server applications.

Based on the Intel 440FX PCIset, the W6-LI supports the most advanced processor architecture, the Pentium Pro which provides the speed and performance necessary to address the most intensive computational applications. Integrated Ultra Wide SCSI (up to 40MBytes/sec transfer rate), PCI and ISA slots, up to 512K of Level 2 cache on each CPU and support of Universal Serial Bus (USB), make this board powerful and feature rich.

The USB interface has a maximum bandwidth of 12Mbps and can connect as many as 127 devices to a host system. USB supports both standard devices that operate at the full 12Mbps rate and low-end devices that use only a

1.5Mbps subchannel.

,

Designed to fit into the most modern ATX form factor, the flexible W6-LI also features support for Fast Page Mode (FPM) and Extended Data Out (EDO) DRAM advanced memory, and Error Checking and Correction (ECC). The ATX form factor allows critical components such as floppy drive connectors, chassis fan, CPU and memory to be strategically located so that full length cards can be used in all slots.

Micronics builds all products to exacting standards, using the highest quality components available. We are proud to provide this system board and believe you will be pleased with your purchase.

W6-LI System Board Manual

Introduction

Features

The W6-LI includes the following features: ▲ Dual ZIF Socket 8



Intel Pentium

Pro 150, 166, 180 and 200MHz processors One integrated VRM and one VRM header to supply CPU-specific voltages

▲ Intel 440FX PCIset

Intel PIIX 3 SMC FDC37C93X Ultra I/O chip

▲ Four 32-bit PCI slots

Two 16-bit ISA slots (One is a shared PCI/ISA slot)

▲ Maximum memory - 512MB

Four 3.3V buffered 168-pin DIMM sockets

▲ Supports FPM and EDO DRAM memory

ECC support via chipset when using parity DIMMs

▲ Fast SCSI Bus Mastering controller, 50 pin SCSI

connector, 68 pin SCSI connector (Ultra Wide), EZ-SCSI Drivers (optional)

▲ Creative Labs VIBRA 16CL Sound (optional) ▲ Two Universal Serial Bus (USB) ports for desktop periph-

eral expansion (optional)

W6-LI System Board Manual6

Introduction

Software Compatibility

The W6-LI system board has been thoroughly tested for compatibility with a variety of operating systems and environments, including:

▲ Microsoft

DOS 5.0 DOS 6.2 Windows 95 Windows NT 3.51 Windows NT 4.0

▲ IBM

OS/2 Warp 3.0 OS/2 Warp 4.0

▲ SCO

UNIXWare 2.1.1 Open Server 5.02 UNIX 3.2, 4.2

▲ Novell NetWare 3.12

Novell NetWare 4.11

W6-LI System Board Manual

Introduction

This manual will familiarize you with the features, installation and use of your W6-LI. There are several symbols and conventions used throughout this manual to help draw your attention to a feature or to focus on important information:

Common Names

DIMM Dual Inline Memory Module DRAM Dynamic Random Access Memory ECC Error Checking and Correction EDO Extended Data Out FPM Fast Page Mode IDE Integrated Drive Electronics PCI Peripheral Component Interconnect USB Universal Serial Bus VRM Voltage Regulator Module

Before You Begin

When you see the Magnifying Glass, it refers to something you should take a closer look at before proceeding further.

When you see the Exclamation Mark, it gives important information on avoiding damage.

W6-LI System Board Manual

Chapter

STATIC!

Before handling the W6-LI, be properly grounded by using a special wrist or ankle strap, or touch a safely grounded object.

Chapter 1: Quick Installation

Quick Installation

We know that many experienced people prefer to read as little of the documentation as possible. If this sounds like you, here’s the short form to get up and running quickly.

Installing the W6-LI

1. Make backup copies of your installation and configuration diskettes.

2. Ground yourself to prevent damaging static discharge, then remove the W6-LI from its packaging.

3. Configure and verify the system board’s jumper settings (refer to Jumper Settings in Chapter 2).

4. Install the CPU and the system memory (refer to Chapter 3).

5. Install the system board into the chassis and make all necessary case connections.

6. Install any ISA and/or PCI add-on peripherals (refer to Chapter 3).

7. Now you can connect any optional devices (refer to Chapter 3).

8. Turn the computer on and press the <F2> key when you see the screen in Figure 1.1.

W6-LI System Board Manual

Chapter 1: Quick Installation

Figure 1-1: Power-Up Screen

9. Set the time and date. Adjust the BIOS settings to match your configuration. If installing an IDE drive, select the IDE device you wish to configure. Press ENTER with Autotype Fixed Disk selected and the BIOS will automatically configure the drive for you (refer to Chapter 4).

10. After you have configured the Main Setup menu, make any desired setting configurations in the Advanced and Security menu. When finished, go to the exit screen, select “Save Changes and Exit” and you are finished with the BIOS configuration (see Chapter 4).

11. Install your IDE CD-ROM drive and its device drivers (optional). Refer to Chapter 3.

12. Install the sound controller device drivers (optional). Refer to Chapter 5.

13. Install the SCSI device drivers (optional). Refer to Chapter 5.

W6-LI System Board Manual

Chapter 2: Configuring the W6-LI

Chapter

Configuring the W6-LI

Although the W6-LI system board is packaged in protective materials, it is important to use care while unpacking and setting up.

Static Electricity

The W6-LI is shipped from the factory in an antistatic bag. To reduce the possibility of damage, it is important to neutralize any accumulated static charges on your body before handling the board. The best way to do this is to ground yourself using a special wrist or ankle strap. If you do not have a strap, you should touch both of your hands to a safely grounded object. After you have grounded yourself, ground the W6-LI via the solder pads surrounding one of its mounting holes.

Once the W6-LI is removed from its packaging, place it on top of the antistatic bag. Carefully inspect the board for damage which may have occurred during shipment.

Environment Considerations

Make sure the finished computer system is in an area with good ventilation. The system should not be in direct sunlight, near heaters, or exposed to moisture, dust or dirt.

W6-LI System Board Manual

Chapter 2: Configuring the W6-LI

W6-LI System Board

Figure 2-1: W6-LI System Board

W6-LI Back Panel Connections

Figure 2-2: W6-LI Back Panel

W6-LI System Board Manual

Chapter 2: Configuring the W6-LI

Jumper Settings

This chapter gives you the jumper settings used for the W6-LI system board.

Table 2-1 lists the jumper settings to select the CPU frequency. These settings apply to both CPUs. NOTE: Before making your selection, verify that

jumper W12 is closed.

CPU

Speed

Bus

Speed

W4 W5 W6 W7 W8 W9

150 MHz 60 x 2.5 Close Open Close Close Close Open 166 MHz 66 x 2.5 Open Close Close Close Close Open 180 MHz 60 x 3.0 Close Open Close Close Open Close 200 MHz 66 x 3.0 Open Close Close Close Open Close

Table 2-1: CPU Speed Selections

Table 2-2 lists the jumper settings for the CPU Voltage Identification (VID). The power regulators on the system board (one for each CPU) are capable of generating different voltages. VID is a hardware mechanism used by each CPU to tell its power regulator what voltage to set.

NOTE: If the CPU supports VID, all jumpers on W1 and/or W2 must be removed or damage may occur. W1 is for the Primary CPU and W2 is for the secondary CPU.

CPU Voltage Jumpers

W1 and W2

1-2 3-4 5-6 7-8

VID-Enabled (default) Open Open Open Open

Non-VID 2.9V Close Open Open Close Non-VID 3.1V Close Open Close Close Non-VID 3.3V Close Close Open Close

Table 2-2: CPU Voltage Selection

W6-LI System Board Manual

Chapter 2: Configuring the W6-LI

Table 2-3 lists the jumper settings for the ISA Bus clock frequency.

Jumper Host Bus Speed ISA Bus Speed Setting

W12 60MHz (default)

66MHz (default)

Table 2-3: ISA BUS Clock Settings

7.50MHz

8.25MHz

Close Close

Table 2-4 lists the jumper settings to enable or disable the system power supply.

Jumper Function Settings

W13 Normal (default)

Reserved

Table 2-4: System Power Supply Setting

Table 2-5 lists the jumper settings to clear the CMOS settings. With your computer's power off, close pins 2-3, wait ten seconds and place the jumper back on pins 1-2. (The jumper must be placed back on pins 1-2 for the system to function properly.)

NOTE: This will reset all BIOS default settings. Any changes you have made will be lost.

Open Close

Jumper Function Settings

W11 Normal (default)

Clear CMOS

Table 2-5: Clear CMOS Settings

1-2 2-3

Table 2-6 lists the jumper settings to select the optional onboard sound.

Jumper Function Settings

W14 Enable Sound (default)

Disable Sound

Table 2-6: Onboard Sound Selection

W6-LI System Board Manual

Close Open

Chapter 2: Configuring the W6-LI

Table 2-7 lists the jumper settings for the Host Bus Agents pipelining mode. Host Bus Agents are devices connected to the CPU local bus, which include the CPUs and the 440FX chipset. Host Bus Agents can generate, up to eight at a time, multiple overlapped (or pipelined) bus transactions (or bus cycles).

Jumper Function Settings

W10 Normal (default)

Reserved

Table 2-7: Pipelining Mode Settings

Open Close

Table 2-8 lists the jumper settings to select the optional onboard SCSI.

Jumper Function Settings

W15 Enable SCSI (default)

Disable SCSI

Table 2-8: Onboard SCSI Selection

Close Open

Table 2-9 lists the jumpers for the case and peripheral connections.

Connector Function Notes

J1 Voltage Regulator Module For Secondary CPU

J3-J6 DRAM (168-pin DIMM

sockets) J7 Floppy Drive Connector Supports up to two floppy drives J8 Primary IDE Port Connector Supports up to two IDE devices J9 Secondary IDE Port Connector Supports up to two IDE devices

J10 PS/2 Keyboard Connector

PS/2 Mouse Connector

J11 USB Connector (optional) Lower Level: USB Port 1

J12 Serial Port A Connector J13 Serial Port B Connector J14 Parallel Port Connector Upper Level

J15-J18 PCI Bus Expansion Slots

3.3 Volt Only. Buffered DIMMs Supported

Lower Level Upper Level

Upper Level: USB Port 0

Table 2-9A: Case & P eripheral Connections

W6-LI System Board Manual

Chapter 2: Configuring the W6-LI

Connector Function Notes

J19-J20 ISA Bus Expansion Slots

J23 Power Supply Connector ATX Standard J27 Front I/O Connector

" System Power On/Off 1 - Power; 2 - Ground " Reset Switch 23 - Reset; 22 - Ground " PC Speaker

Note: Jumper pins 26 and 27

to use the onboard speaker " Power-On LED 20 - Positive; 18 - Ground " IDE LED

Note: IDE and SCSI functions

share the same LED " Infrared 6 - +5V DC; 8 - Receive Data;

" Speaker (Buzzer)

Note: Jumper pins 26 and 27

to use the onboard speaker

J28 Infrared Port Connector (Note:

Do not connect IR devices to

J27 & J28 simultaneously)

J29, J30 CPU Fan

(J29 - Primary)

(J30 - Secondary)

J31 Chassis Fan 1 - 12+V Power; 2 - Ground;

J33 CD-ROM Audio Input 1 - Ground; 2 - CD-In Left Channel;

J34 Modem/Telephony 1 - No Connect; 2 - MIC Out;

J35 Game Port/MIDI

MIC In

Line In

Line Out

J36 Wavetable Upgrade 1 - Right Channel Input; 2 - Ground;

J37 SCSI 50-pin Cable Connector Fast SCSI (optional) J38 SCSI 68-pin Cable Connector Ultra Wide SCSI (optional)

U1 Primary P6 CPU Socket 8 (387-pin) U2 Secondary P6 CPU Socket 8 (387-pin)

U25 System BIOS

27 - Speaker; 24 - +5V DC

13 or 16 - Positive; 15 - Negative

9 - Ground; 10 - Transmit Data Enabled (default)

1 - Receive Data; 2 - Ground; 3 - Transmit Data; 4 - +5V Power

1 - 12+V Power; 2 - Ground; 3 - Status (Running or Stopped)

3 - Status (Running or Stopped)

3 - Ground; 4 - CD-In Right Channel

3 - Ground; 4 - Speaker Input Upper Level

Lower Level Lower Level Lower Level

3 - Left Channel Input; 4 - Ground; 5 - No Connect; 6 - Ground; 7- Ground; 8 - Ground

Table 2-9B: Case & P eripheral Connections (cont.)

W6-LI System Board Manual

Chapter 3: Installing the W6-LI

Chapter

Installing the W6-LI

Introduction

This chapter explains how to install the W6-LI system board, memory, CPU and peripherals.

WARNING: Before installing or removing any peripherals or components, make sure you have a clear work space and that you adhere to all anti-static precautions described in Chapter 1. Micronics recommends only trained technicians install and configure the system board.

Damage which occurs to the board while adding or removing peripherals or components may void the warranty. If problems arise while installing peripherals, contact the computer dealer where you purchased the peripheral or Micronics’ Technical Support Department.

System Memory Support

The flexibility of the W6-LI is augmented by its support for Error Checking and Correction (ECC), Extended Data Out (EDO) and Fast Page Mode (FPM) DRAM memory. The W6-LI supports Error Checking and Correction (with 72-bit DIMMs only) via the chipset.

EDO memory is designed to keep data available to the processor for an extended period of time. The EDO memory support extends the performance of conventional DRAM memory. The result is an improvement in memory-access performance on the W6-LI system board.

W6-LI System Board Manual

Chapter 3: Installing the W6-LI

Installing the W6-LI

Installation of the W6-LI system board depends on the type of case you use. The W6-LI is designed for the standard ATX form factor and must be installed in an ATX chassis.

NOTE: If you are unfamiliar with installing a system board, Micronics highly recommends that you read the computer user’s manual or contact your dealer’s technical support department.

Tools Required

Micronics recommends using the following tools to install the W6-LI:

❏ Small Phillips screwdriver ❏ Tweezers or a pair of needle-nose pliers ❏ Tray (to hold loose screws)

Equipment Required

Micronics recommends using the following equipment with the W6-LI for a typical configuration:

❏ ATX chassis with standard hardware. ❏ A high-quality ATX power supply capable of providing

continuous power within a 3 volt range. A power filter may be used with a noisy AC power source.

❏ PS/2 mouse and compatible keyboard. ❏ Eight ohm speaker. ❏ Standard ribbon cables for internal connections. ❏ Standard power cord (grounded). ❏ Heat sink with cooling fan for each CPU (required).

W6-LI System Board Manual

Chapter 3: Installing the W6-LI

System Memory

System memory is necessary to operate the W6-LI system board. The W6-LI uses DIMMs, which provide a wider data path than SIMMs, to carry more data.

The W6-LI has four 168-pin DIMM sockets for a maximum of 512 Megabytes of RAM. Support is provided for EDO DRAM memory and FPM DRAM memory. This chapter will explain the type of DIMMs supported, list the rules for adding memory to the W6-LI, give some examples of common memory configurations and show how to physically install the new DIMMs.

DIMMs Supported

For long term reliability, Micronics recommends using DIMMs with gold-plated contacts. The use of tin-plated contacts may conflict with the gold alloy on the DIMM socket.

The W6-LI supports the following types of 60 or 70ns DIMMs:

8MB (1Mx64/72) 16MB (2Mx64/72) 32MB (4Mx64/72) 64MB (8Mx64/72)* 128MB (16Mx64/72)*

*Subject to availability

Adding Memory

The following is a list of rules to follow when upgrading DIMMs. If you follow these rules, your upgrade should be trouble-free:

❏ Use 70ns or faster DIMMs. ❏ There are three (3) types of DIMM wiring configura-

tions: Non-parity - 64 bits wide, Parity and Error Checking and Correction - 72-bits wide.

❏ All three types of DIMM configurations may be used

on the W6-LI, but not simultaneously.

W6-LI System Board Manual

Chapter 3: Installing the W6-LI

❏ Upgrade DIMMs one bank at a time. Start with Bank

0, then work your way up (one DIMM per bank), adding memory from the smallest to the largest size.

❏ Install the two types of memory in separate banks. The

memory will default to the speed of the slowest RAM installed.

W6-LI System Board Manual

Chapter 3: Installing the W6-LI

Memory Configurations

There is no need to set any jumpers. When you reboot, the size and type of memory are automatically detected.

The following tables list the most common memory configurations. The memory available depends on the number of DIMMs installed.

Memory Bank 0 Bank 1 Bank 2 Bank 3

8MB 1MBx64/72 16MB 2MBx64/72 16MB 1MBx64/72 1MBx64/72 24MB 2MBx64/72 1MBx64/72 24MB 1MBx64/72 1MBx64/72 1MBx64/72 32MB 2MBx64/72 2MBx64/72 32MB 2MBx64/72 1MBx64/72 1MBx64/72 32MB 4MBx64/72 32MB 1MBx64/72 1MBx64/72 1MBx64/72 1MBx64/72 40MB 2MBx64/72 2MBx64/72 1MBx64/72 40MB 2MBx64/72 1MBx64/72 1MBx64/72 1MBx64/72 40MB 4MBx64/72 1MBx64/72 48MB 2MBx64/72 2MBx64/72 2MBx64/72 48MB 2MBx64/72 2MBx64/72 1MBx64/72 1MBx64/72 48MB 4MBx64/72 2MBx64/72 48MB 4MBx64/72 1MBx64/72 1MBx64/72 56MB 2MBx64/72 2MBx64/72 2MBx64/72 1MBx64/72 56MB 4MBx64/72 2MBx64/72 1MBx64/72 56MB 4MBx64/72 1MBx64/72 1MBx64/72 1MBx64/72

T ab le 3-1: Memory Configurations

W6-LI System Board Manual

Chapter 3: Installing the W6-LI

Memory Bank 0 Bank 1 Bank 2 Bank 3

64MB 2MBx64/72 2MBx64/72 2MBx64/72 2MBx64/72 64MB 4MBx64/72 2MBx64/72 2MBx64/72 64MB 4MBx64/72 2MBx64/72 1MBx64/72 1MBx64/72 64MB 4MBx64/72 4MBx64/72 64MB 8MBx64/72 80MB 4MBx64/72 2MBx64/72 2MBx64/72 2MBx64/72 80MB 4MBx64/72 4MBx64/72 2MBx64/72 80MB 4MBx64/72 4MBx64/72 1MBx64/72 1MBx64/72 80MB 8MBx64/72 2MBx64/72 80MB 8MBx64/72 1MBx64/72 1MBx64/72 96MB 4MBx64/72 4MBx64/72 2MBx64/72 2MBx64/72 96MB 4MBx64/72 4MBx64/72 4MBx64/72 96MB 8MBx64/72 2MBx64/72 2MBx64/72 96MB 8MBx64/72 2MBx64/72 1MBx64/72 1MBx64/72

96MB 8MBx64/72 4MBx64/72 112MB 4MBx64/72 4MBx64/72 4MBx64/72 2MBx64/72 112MB 8MBx64/72 2MBx64/72 2MBx64/72 2MBx64/72 112MB 8MBx64/72 4MBx64/72 2MBx64/72 112MB 8MBx64/72 4MBx64/72 1MBx64/72 1MBx64/72

T able 3-1: Memory Configurations

W6-LI System Board Manual

Chapter 3: Installing the W6-LI

Memory Bank 0 Bank 1 Bank 2 Bank 3

128MB 16MBx64/72 128MB 4MBx64/72 4MBx64/72 4MBx64/72 4MBx64/72 128MB 8MBx64/72 4MBx64/72 2MBx64/72 2MBx64/72 128MB 8MBx64/72 4MBx64/72 4MBx64/72 128MB 8MBx64/72 8MBx64/72 160MB 16MBx64/72 2MBx64/72 2MBx64/72 160MB 16MBx64/72 2MBx64/72 1MBx64/72 1MBx64/72 160MB 16MBx64/72 4MBx64/72 160MB 8MBx64/72 4MBx64/72 4MBx64/72 4MBx64/72 160MB 8MBx64/72 8MBx64/72 2MBx64/72 2MBx64/72 160MB 8MBx64/72 8MBx64/72 4MBx64/72 192MB 16MBx64/72 4MBx64/72 2MBx64/72 2MBx64/72 192MB 16MBx64/72 4MBx64/72 4MBx64/72 192MB 16MBx64/72 8MBx64/72 192MB 8MBx64/72 8MBx64/72 4MBx64/72 4MBx64/72 192MB 8MBx64/72 8MBx64/72 8MBx64/72 224MB 16MBx64/72 4MBx64/72 4MBx64/72 4MBx64/72 224MB 16MBx64/72 8MBx64/72 2MBx64/72 2MBx64/72 224MB 16MBx64/72 8MBx64/72 4MBx64/72 224MB 8MBx64/72 8MBx64/72 8MBx64/72 4MBx64/72

T ab le 3-1: Memory Configurations

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