Gigabyte GA-6CXB7 User manual

FCC Compliance Statement:

This equipment has been tested and found to

comply with limits for a Class B digital device ,

pursuant to Part 15 of the FCC rules. These

limits are designed to provide reasonable

protection against harmful interference in

residential installations. This equipment

generates, uses, and can radiate radio

frequency energy, and if not installed and used

in accordance with the instructions, may cause

harmful interference to radio communications.

However, there is no guarantee that interference

will not occur in a particular installation. If this

equipment does cause interference to radio or

television equipment reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to

correct the interference by one or more of the following measures:

-Reorient or relocate the receiving antenna

-Move the equipment away from the receiver

-Plug the equipment into an outlet on a circuit different from that to which

the receiver is connected

-Consult the dealer or an experienced radio/television technician for

additional suggestions

You are cautioned that any change or modifications to the equipment not

expressly approve by the party responsible for compliance could void Your

authority to operate such equipment.

This device complies with Part 15 of the FCC Rules. Operation is subjected to

the following two conditions 1) this device may not cause harmful interference

and 2) this device must accept any interference received, including interference

that may cause undesired operation.

DECLARATION OF CONFORMITY

Per FCC Part 2 Section 2. 1077(a)

Responsible Party Name: G.B.T. INC.

Address: 18305 Valley Blvd., Suite#A

LA Puent, CA 91744

Phone/Fax No: (818) 854- 9338/ (818) 854-9339

hereby declare s that the product

Product Name:

Model Number:

Mother Board

Conforms to the following specifications:

FCC Part 15, Subpart B, Section 15.107(a) and Section 15.109(a),

Class B Digital Device

Supplementary Information:

This device complies with part 15 of the FCC Rules. Operation is subject to the

following two conditions: (1) This device may not cause harmful

and (2) this device must accept any inference received, including

that may cause undesired operation.

Representative Person's Name: ERIC LU

Signature:

Date: Mar. 13,2000

Eric Lu

GA- 6CXB7

Declaration of Conformity

We, Manufacturer/Importer

(full address)

G.B.T. Technology Träding GMbH

Ausschlager Weg 41, 1F, 20537 Hamburg, Germany

declare that the product

( description of the apparatus, system, installation to which it refers)

Mother Board

GA-6CXB7

is in conformity with

(reference to the specification under which conformity is declared)

in accordance with 89/336 EEC-EMC Directive

EN 55011 Limits and methods of measurement EN 61000-3-2* Disturbances in supply systems caused

of radio disturbance characteristics of EN60555-2 by household appliances and similar

industrial, scientific and medical (ISM electrical equipment “Harmonics”

high frequency equipment

EN55013 Limits and methods of measurement EN61000-3-3* Disturbances in supply systems caused

of radio disturbance characteristics of EN60555-3 by household appliances and similar

broadcast receivers and associated electrical equipment “Voltage fluctuations”

equipment

EN 55014 Limits and methods of measurement EN 50081-1 Generic emission standard Part 1:

of radio disturbance characteristics of Residual, commercial and light industry

household electrical appliances,

portable tools and similar electrical EN 50082-1 Generic immunity standard Part 1:

apparatus Residual, commercial and light industry

EN 55015 Limits and methods of measurement EN 55081-2 Generic emission standard Part 2:

of radio disturbance characteristics of Industrial environment

fluorescent lamps and luminaries

EN 55020 Immunity from radio interference of EN 55082-2 Generic immunity standard Part 2:

broadcast receivers and associated Industrial environment

equipment

EN 55022 Limits and methods of measurement ENV 55104 Immunity requirements for household

of radio disturbance characteristics of appliances tools and similar apparatus

information technology equipment

DIN VDE 0855 Cabled distribution systems; Equipment EN 50091- 2 EMC requirements for uninterruptible

part 10 for receiving and/or distribution from power systems (UPS)

part 12 sound and television signals

CE marking (EC conformity marking)

The manufacturer also declares the conformity of above mentioned product

with the actual required safety standards in accordance with LVD 73/23 EEC

EN 60065 Safety requirements for mains operated EN 60950 Safety for information technology equipment

electronic and related apparatus for including electrical business equipment

household and similar general use

EN 60335 Safety of household and similar EN 50091-1 General and Safety requirements for

electrical appliances uninterruptible power systems (UPS)

Manufacturer/Importer

Signature

:

Rex Lin

(Stamp)

Date : Mar. 13, 2000 Name : Rex Lin

6CXB7 Series

100 /133 MHz Pentium II/ !!!

Socket 370 Processor Motherboard

USER'S MANUAL

Socket 370 Processor Motherboard

REV. 1.1 Second Edition

R-11 -02-000426

How This Manual Is Organized

This manual is divided into the following sections:

1) Revision List Manual revision information

2) Item Checklist Product item list

3) Features Product information & specification

4) Hardware Setup Instructions on setting up the motherboard

5) Performance & Block Diagram Product performance & block diagram

6) Suspend to RAM & Dual BIOS Instructions STR installation & Dual BIOS

7) Four Speaker & SPDIF Four Speaker & SPDIF introduction

8) BIOS Setup Instructions on setting up the BIOS

software

9) Appendix

General reference

Table Of Content

Revision History P.1

Item Checklist P.2

Summary of Features P.3

6CXB7 Series Motherboard Layout P.5

Page Index for CPU Speed Setup/Connectors/Panel and Jumper Definition P.6

Performance List P.30

Block Diagram P.31

Suspend to RAM Installation P.32

Dual BIOS Introduction (Optional) P.38

Four Speaker & SPDIF Introduction (Optional) P.45

Memory Installation P.50

Page Index for BIOS Setup P.53

Appendix P.82

6CXB7 Series Motherboard

1

Revision History

Revision Revision Note Date

1.1 Initial release of the 6CXB7 Series motherboard user’s

manual.

Apr.2000

1.1 Second release of the 6CXB7 Series motherboard user’s

manual.

Apr.2000

The author assumes no responsibility for any errors or omissions that may appear in this

document nor does the author make a commitment to update the information contained herein.

Third-party brands and names are the property of their respective owners.

Apr. 26, 2000 Taipei, Taiwan, R.O.C

Item Checklist

2

Item Checklist

þ The 6CXB7 Series Motherboard

þ Cable for IDE / Floppy device

þ CD (IUCD) for motherboard utilities

o Internal COM B Cable (Optional)

o Internal USB Cable (Optional)

o Cable for SCSI device

þ 6CXB7 Series User’s Manual

þ CRIMM Module

6CXB7 Series Motherboard

3

Summary Of Features

Form factor Ÿ 30.5 cm x 24.3 cm ATX size form factor, 4 layers PCB.

Motherboard

Ÿ 6CXB7 series includes 6CXB7, 6CXB7-1

CPU Ÿ 100/133 MHz Pentium



II/!!! Socket 370 Processor

Intel Pentium



!!! 100/133MHz FSB, Coppermine core FC-PGA

Ÿ 2nd cache in CPU (Depend on CPU)

Chipset Ÿ 82820 HOST / AGP / RDRAM Controller

Ÿ 82801AA(ICH) I/O Controller Hub

Ÿ 82805AA(MTH) Memory Translator Hub

Clock Generator Ÿ Supports 100 / 133MHz

122/142/150/159 MHz clocks (reserved)

Memory Ÿ 3 168-pin DIMM Sockets

Ÿ 2 184-pin RIMM Sockets

I/O Control Ÿ ITE IT8712 LPC

Slots Ÿ 1 AMR (Audio Modem Riser) slot

Ÿ 1 Universal AGP Pro slot 1X/2X/4X 1.5V/3.3V /12V

device support

Ÿ 5 32-bit Master PCI Bus slots

Ÿ 1 16-bit ISA Bus slot (Optional)

On-Board IDE Ÿ An IDE controller on the Intel



82801AA PCI chipset

provides IDE HDD/ CD-ROM with PIO, Bus Master

(Ultra DMA33/ATA66) operation modes

Ÿ Can connect up to four IDE devices

On-Board

Peripherals

Ÿ

1 Floppy port supports 2 FDD with 360K, 720K,1.2M,

1.44M and 2.88M bytes

Ÿ 1 Parallel ports supports EPP/ECP mode

Ÿ 2 Serial ports (COM A & COM B)

Ÿ 4 USB ports (Front USB port optional for 6CXB7)

Ÿ 1 IrDA connector for IR/CIR (Optional)

Hardware Monitor

(Optional)

Ÿ CPU/Power Supply/System Fan Revolution detect

Ÿ CPU Fan Control

Ÿ System Voltage Detect

Ÿ CPU Overheat Warning

Ÿ Chassis Intrusion Detect

Ÿ Display Actual Current Voltage

PCI to ISA Bridge Ÿ ITE8888

To be continued…

Summary of Features

4

On-Board Sound

Ÿ Creative CT5880 sound (Optional)

Ÿ AC’97 CODEC

Ÿ Line In/Line Out/Mic In/AUX In/CD In/TEL/Game Port

Ÿ SPDIF and Four Speaker(Optional)

PS/2 Connector Ÿ PS/2



Keyboard interface and PS/2



Mouse interface

BIOS Ÿ Licensed AMI BIOS, 4M bit FWH

Ÿ Support Dual BIOS(Optional)

Additional Features Ÿ Internal/External Modem wake up

Ÿ STR (Suspend-To-RAM)

Ÿ Wake On LAN

Ÿ PS/2 Keyboard password power on

Ÿ PS/2 Mouse power on

Ÿ System after AC back

Ÿ Poly fuse for keyboard, USB, game port over-

current protection

Ÿ USB KB/MS wake up from S3

6CXB7 Series Motherboard

5

6CXB7 Series Motherboard Layout

6CXB7

ICH

82801

Backup

BIOS

PCI1

PCI2

PCI3

PCI4

PCI5

ISA1

AMR

MCH

82820

JP4

PS/2

USB

LPT

COM A COM B

GAME & Audio

J7

J13

J14

JP20

ATX POWER

FLOPPY

IDE1

IDE2

JP19

BAT1

IR/CIR

J11

JP16

AC97

J15

JP1

JP3

DIMM3

DIMM2

J3

MTH

82805

SW1

FP USB

JP18

CT5880

DIMM1

RIMM1

JP10

BZ1

JP7

PGA 370

CPU

JP17

JP14

J2

JP11

J10

JP8

JP21

JP13

J6

JP9

AGP PRO

J5

IT8888

JP2

RIMM2

J16

LED1

Main

BIOS

J17

J19

6CXB7 Series Motherboard Layout

6

$

Page Index for CPU Speed Setup/Connectors/Panel and Jumper Definition

Page

CPU Speed Setup

P.8

Connectors P.10

Game & Audio Port P.10

COM A / COM B / LPT Port P.10

CN2 (USB Connector)(Back) P.11

PS/2 Keyboard & PS/2 Mouse Connector P.11

J3 (CPU FAN) P.12

J2 (Power FAN)

P.12

J11 (System FAN) P.13

ATX Power P.13

Floppy Port P.14

IDE (Primary/ Secondary) Port P.14

J12 (IR/CIR) [Optional] P.15

CN9: FP USB Connector (Front)[Optional] P.15

JP3 (STR LED Connector)& LED1 (DIMM /RIMM LED) P.16

J5 (AUX_IN) P.16

J7 (CD Audio Line In) P.17

J6 (TEL) P.17

J13 (Wake On LAN) P.18

J14 (Ring Power On) P.18

J10 (External SMBUS Device Connector) [Optional] P.19

J16 (Smart Card Reader Port) [Optional] P.19

J17 (Front Panel Connector)[For NEC] P.20

J19 (Front USB Connector)p[Optional for NEC P.20

Panel and Jumper Definition P.21

J15 (2x11 pins jumper) P.21

JP4 (Back) (USB Device Wake up Selection) P.22

JP2 (PS/2 Keyboard Power On) P.22

JP1 (STR Selection) P.23

JP8 (Case Open) P.23

JP20 (Onboard Sound Function Selection) [Optional] P.24

JP17 (Top Block Lock) [Optional] P.24

JP11 (Clear CMOS Function) [Optional] P.25

JP18 (Safe mode/Recovery/Normal) P.25

JP13 (Timeout Reboot Function) [Optional] P.26

To be continued…

6CXB7 Series Motherboard

7

JP14 (Front) (USB Device Wake Up Selection) [Optional] P.26

JP7 (Over Voltage CPU Speed Up) [Optional] P.27

JP16 (FWH Write Protection) [Optional] P.27

JP19 (Internal Buzzer Connector) [Optional] P.28

JP10 (AMR Select) [Optional] P.28

JP9 (Over Clock Voltage Control) [Optional] P.29

BAT 1(Battery) P.29

CPU Speed Setup

8

CPU Speed Setup

The system bus frequency can be switched at 100MHz and 133MHz by adjusting SW 1/JP21.

The CPU Frequency is control by BIOS.

SW1/JP21 Select the System Speed at 100MHz and 133MHz.

SW1

CPU CLK

SDRAM

CLK

AGP CLK

JP21

1 2 3 4 5 6

100/133

AUTO

100 66.6 1-2 X X

103 103 68.67 2-3 X

105 105 70.00 2-3 X X

100.3 100.3 66.87 2-3 X X

100.9 100.9 67.27 2-3 X X X

107 107 71.33 2-3 X X

109 109 72.66 2-3 X X X

112 112 74.67 2-3 X X X

114 114 76.00 2-3 X X X X

116.1 116.1 77.40 2-3 X X

118 118 78.67 2-3 X X X

133.3 133.3 66.65 2-3 X X X

120 120 80.00 2-3 X X X X

122 122 81.33 2-3 X X X

125 125 83.40 2-3 X X X X

128 128 85.47 2-3 X X X X

130 130 86.67 2-3 X X X X X

133.0 99.75 66.50 2-3 X X

133.9 100.425 66.95 2-3 X X X

138.0 103.5 69.00 2-3 X X X

142.0 106.5 71.00 2-3 X X X X

146.0 109.5 73.00 2-3 X X X

150.0 112.5 75.00

2-3

X X X X

153.0 114.75 76.50

2-3

X X X X

156.0 117 78.00

2-3

X X X X X

6CXB7 Series Motherboard

9

SW1

CPU CLK

SDRAM

CLK

AGP CLK

JP21

1 2 3 4 5 6

159.1 119.325 79.55

2-3

X X X

162.0 121.5 81.00

2-3

X X X X

165.0 123.75 82.50

2-3

X X X X

168.0 126 84.00

2-3

X X X X X

171.0 128.25 85.50

2-3

X X X X

174.0 130.5 87.00

2-3

X X X X X

177.0 132.75 88.50

2-3

X X X X X

180.0 135 90.00

2-3

X X X X X X

(O: ON / X: OFF)

F

For Auto Jumper Setting:

SW1

ON

1 2 3 4 5 6

JP21

1

«

Note:

1. If you use 100/133 MHz CPU, We recommend you to setup your system speed to

“Auto” value.

2. We don’t recommend you to set up your system speed to 122 , 142 , 150 ,159 MHz

because these frequencies are not the standard specifications for CPU, Chipset and

most of the peripherals. Whether your system can run under 122 , 142 , 150 ,159 MHz

properly will depend on your hardware configurations: CPU, SDRAM, Cards, etc.

**If you want to set up your system speed to 122, 142, 150,159 MHz, you must change

the Jumper JP9 from 2-3 close to 1-2 close.

Connectors

10

Connectors

Game & Audio Port

MIC In

Game

Port

Line In

Line Out 1

Line Out 1: Line Out or SPDIF (The SPDIF output is

capable of providing digital audio to external speakers or

compressed AC3 data to an external Dolby digital

decoder). In general, Line Out 1 is normally Line Out,

when it output digital signal, it will be change to SPDIF

Out automatically (see page 47 for more information).

Line In: In general, Line In is normally Line In. When you

select “Four Speaker” in Creative application

(see page 45 for more information), Line In will be

change to Line Out 2, then you can plug 2 pairs stereo

speaker into Line Out 1 and Line In simultaneously.

COM A / COM B / LPT Port

COM A

LPT Port

COM B

6CXB7 Series Motherboard

11

CN2: USB (Back) Connector

Pin No. Definition

1 USB V0

2 USB D0-

3 USB D0+

4 GND

5 USB V1

6 USB D1-

7 USB D1+

8 GND

1

2

3 4

8 7

6

5

PS/2 Keyboard & PS/2 Mouse Connector

PS/2 Mouse/ Keyboard

Pin No.

Definition

1 Data

2 NC

3 GND

4 VCC(+5V)

5 Clock

6 NC

PS/2 Keyboard

PS/2 Mouse

1 2

3

4

5

6

Connectors

12

J3: CPU FAN

1

Pin No. Definition

1 GND

2 +12V

3 SENSE

J2: Power FAN

Pin No. Definition

1 Control

2 +12V

3 SENSE

1

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