Gigabyte GA-6CXC7 User Manual

Phone/Fax No: (818) 854- 9338/ [phone]

hereby declare s that the product

Product Name:

Model Number:

Mother Board

Signature:

Date: Mar.04,2000

GA- 6CXC7

FCC Compliance Statement:

DECLARATION OF CONFORMITY

Per FCC Part 2 Section 2. 1077(a)

This equipment has been tested and found to
comply with limits for a Class B digital device ,

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

Address: 18305 Valley Blvd., Suite#A

LA Puent, CA 91744

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

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

Eric Lu

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

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.

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

Declaration of Conformity

We, Manufacturer/Importer

(full address)

G.B.T. Technology Träding GMbH

Ausschlager Weg 41, 1F, 20537 Hamburg, Germany

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

(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

declare that the product

Mother Board

GA-6CXC7

is in conformity with

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)

Signature

Date : Mar. 04, 2000 Name : Rex Lin

(Stamp)

Manufacturer/Importer

:

Rex Lin

6CXC7/6CXC7-1

100 /133 MHz Pentium II/ !!!

Socket 370 Processor Motherboard

USER'S MANUAL

Socket 370 Processor Motherboard

REV. 1.0 First Edition

R-10-01-000224

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
6CXC7/6CXC7 -1 Motherboard Layout P.5
Page Index for CPU Speed Setup / Connectors / Panel and Jumper

Definition
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.51
Appendix P.80

P.8

6CXC7/6CXC7-1 Motherboard

Revision History

Revision Revision Note Date

1.0 Initial release of the 6CXC7/6CXC7-1motherboard user’s
manual.

Feb.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.
Sound Blaster is a registered trademark of Creative Technology Ltd in the United States and
certain other countries. Sound Blaster-LINK and SB-LINK are trademarks of Creative
Technology Ltd.

Feb. 24, 2000 Taipei, Taiwan, R.O.C

1

Item Checklist

þThe 6CXC7/6CXC7-1 Motherboard
þCable for IDE / Floppy device
þCD (IUCD) for motherboard utilities
oInternal COM B Cable (Optional)
oInternal USB Cable (Optional)
oCable for SCSI device
þ6CXC7/6CXC7 -1 User’s Manual

Item Checklist

2

6CXC7/6CXC7-1 Motherboard

82801AA PCI chipset

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

Summary Of Features

Form factor Ÿ 30.5 cm x 22 cm ATX size form factor, 4 layers PCB.
CPU Ÿ 100/133 MHz Pentium II/!!! socket 370 Processor

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 4 168-pin DIMM Sockets Support 4 banks.
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

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

Hardware Monitor
(Optional)

Ÿ

1.44M and 2.88M bytes

Ÿ 1 Parallel ports supports SPP/EPP/ECP mode
Ÿ 2 Serial ports (COM A & COM B)
Ÿ 4 USB ports (Front USB port optional)
Ÿ 1 IrDA connector for IR/CIR (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 Displa y Actual Current Voltage

PCI to ISA Bridge Ÿ ITE8888
On-Board Sound

Ÿ Creative CT5880 sound (Optional) and AC’97 codec

Line In/Line Out/Mic In/AUX In/CD In/TEL/Game Port/
SPDIF(Optional)/Four Speaker(Optional)



To be continued…

3

On-Board LAN
(Optional)

PS/2 Connector
BIOS Ÿ Licensed AMI BIOS, 4M bit FWH

Additional Features Ÿ Internal/External Modem wake up

Ÿ Intel
Ÿ Alert on LAN*2 ASIC(Optional)

Ÿ PS/2
Ÿ Support Dual BIOS(Optional)
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-

Ÿ USB KB/MS wake up from S3



GD 82559(Optional)



Keyboard interface and PS/2 Mouse interface

current protection

Summary of Features

4

6CXC7/6CXC7-1 Motherboard

6CXC7/6CXC7-1 Motherboard Layout

PS/2

USB

JP2

LAN

COM A COM B

JP4

JP7

LPT

ATX POWER

PGA 370

J2

JP5

CPU

JP1

JP3

FLOPPY

GAME & Audio

INTEL
82559

JP15

CT5880

JP8

J7

AMR

AC97

ISA1

J6 J5

PCI1

PCI2

PCI3

PCI4

PCI5

J3

JP10

AGP Pro

J13

JP20

MCH

82820

6CXC7

MTH

82805

J14

JP9

IDE1

IDE2

DIMM4

DIMM3

DIMM2

DIMM1

JP11

SW1

JP21

IT8888

JP16

BAT1

ICH

82801

JP17

Main

Backup

BIOS

BIOS

JP18

JP13

JP19

J10

J11

JP14

IR/CIR

FP USB

BZ1

J15

5

6CXC7/6CXC7-1 Motherboard Layout

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

CPU Speed Setup
Connectors P.10
Game & Audio Port P.10
COM A / COM B / LPT Port P.10
CN2:USB & LAN Connector P.11
PS/2 Keyboard & PS/2 Mouse Connector P.11
J3 (CPU FAN) P.12
J2 (Power FAN)
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: USB Connector (Front)[Optional] P.15
JP3 (STR LED Connector)& LDE1(DIMM 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) P.19
Panel and Jumper Definition P.20
J15 (2x11 pins jumper) P.20
JP4 (Back) (USB Device Wake up Selection) P.21
JP2 (PS/2 Keyboard Power On) P.21
JP1 (STR Selection) P.22
JP8 (Case Open) P.22
JP20 (Onboard Sound Function Selection) [Optional] P.23
JP17 (Top Block Lock) P.23
JP11 (Clear CMOS Function) P.24
JP18 (Safe mode/Recovery/Normal) P.24
JP13 (Timeout Reboot Function) P.25
JP14 (Front) (USB Device Wake Up Selection) [Optional] P.25

Page
P.8

P.12

6

6CXC7/6CXC7-1 Motherboard

JP7 (Over Voltage CPU Speed Up) [Optional] P.26
JP16 (FWH Write Protection) P.26
JP19 (Internal Buzzer Connector) [Optional] P.27
JP10 (AMR Select) [Optional] P.2 7
JP9 (Over Clock Voltage Control) P.28
JP15 (Onboard LAN Function Selection) [Optional] P.28
JP5 (FORCE Cyrix 133) P.29
BAT 1(Battery) P.29

7

CPU Speed Setup

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.

CPU CLK

100/133

AUTO

100.3 100.3 66.87 2-3 X ○ ○ X ○ ○

100.9 100.9 67.27 2-3 X ○ ○ X X ○

116.1 116.1 77.40 2-3 X X ○ ○ ○ ○

133.3 133.3 66.65 2-3 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

153.0 114.75 76.50

156.0 117 78.00

SDRAM

103 103 68.67 2-3 X ○ ○ ○ ○ ○
105 105 70.00 2-3 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 ○

118 118 78.67 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 ○

AGP CLK JP21

CLK

100 66.6 1-2

2-3
2-3
2-3

1 2 3 4 5 6

○

X

X ○ X ○ X X
X ○ X X ○ X
X ○ X X X X

SW1

○

X

○

○

8

6CXC7/6CXC7-1 Motherboard

CPU CLK

159.1 119.325 79.55

162.0 121.5 81.00

165.0 123.75 82.50

168.0 126 84.00

171.0 128.25 85.50

174.0 130.5 87.00

177.0 132.75 88.50

180.0 135 90.00

(O: ON / X : OFF)

F

For Auto Jumper Setting:

SDRAM

CLK

ON

AGP CLK JP21

1 2 3 4 5 6

SW1

2-3
2-3
2-3
2-3
2-3
2-3
2-3
2-3

SW1

1 2 3 4 5 6

X X ○ ○ ○ X
X X ○ ○ X X
X X ○ X ○ X
X X ○ X X X
X X X ○ ○ X
X X X ○ X X
X X X X ○ X
X X X X X X

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.

9

Connectors

Game & Audio Port

Connectors

Game

Port

COM A / COM B / LPT Port

Line Out 1

MIC In

Line In

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.

LPT Port

COM A

COM B

10

6CXC7/6CXC7-1 Motherboard

3

CN2 : USB (Back) & LAN Connector (Optional)

1
2

5
6

1 2 3 4

7

1 – Green LED
(LAN Link LED)
2 - Yellow LED
(LAN Active LED)

PS/2 Keyboard & PS/2 Mouse Connector

Pin No. Definition

1 USB V0
2 USB D0­3 USB D0+

8

4 GND
5 USB V1
6 USB D1­7 USB D1+
8 GND

PS/2 Mouse

PS/2 Mouse/ Keyboard
Pin No. Definition

6

4

5

1 Data
2 NC
3 GND
4 VCC(+5V)

2

PS/2 Keyboard

1

5 Clock
6 NC

11

J3 : CPU FAN

J2 : Power FAN

Connectors

1

Pin No. Definition

1 Control
2 +12V
3 SENSE

1

Pin No. Definition

1 Control
2 +12V
3 SENSE

12

6CXC7/6CXC7-1 Motherboard

J11 : System FAN

ATX Power

1

Pin No. Definition

1 Control
2 +12V
3 SENSE

3,5,7,13,15-17 GND

20
10

Pin No. Definition

1,2,11 3.3V

4,6,19,20 VCC

10 +12V
12 -12V
18 -5V

8 Power Good
9 5V SB stand by+5V

14 PS-ON(Soft On/Off)

11

1

13

Floppy Port

IDE 1

Connectors

RED LINE

IDE1(Primary) , IDE2 (Secondary) Port

IDE 2

RED LINE

14

6CXC7/6CXC7-1 Motherboard

5

J12:IR/CIR (Optional)

Pin No. Definition

1 VCC
2 NC
3 IRRX
4 GND
5 IRTX
6 NC
7 CIRRX
8 VCC
9 NC

10 NC

CN9 : USB Connector (Front) (Optional)

1

8

1

6

10

5
4

Pin No. Definition

1 VCC
2 USB D0­3 USB D0+
4 GND
5 VCC
6 USB D1­7 USB D1+
8 GND

15

JP3 : STR LED Connector & LED1 : DIMM LED

1

STR LED Connector External.

Connectors

J5 : AUX IN

1

+

DIMM LED

Pin No. Definition

1 AUX-L
2 GND
3 GND
4 AUX-R

16

6CXC7/6CXC7-1 Motherboard

1

1

J7 : CD Audio Line In

Pin No. Definition

1 CD-L
2 GND
3 GND
4 CD-R

J6 : TEL(The connector is for internal modem card with voice connector)

Pin No. Definition

1 Signal-In
2 GND
3 GND
4 Signal-Out

17

J13: Wake on LAN

Connectors

1

Pin No. Definition

1 +5V SB
2 GND
3 Signal

J14: Ring Power On

1

Pin No. Definition

1 Signal
2 GND

18

6CXC7/6CXC7-1 Motherboard

J10 : External SMBUS Device Connector

Pin No. Definition

1

1 SMB CLK
2 NC
3 GND
4 SMB DATA
5 +5V

19

Panel And Jumper Definition

HD

J15 : For 2X11 Pins Jumper

GN

1

Panel and Jumper Definition

S P K

P− P− P+

RE

1

PW

GD

1

GN (Green Switch) Open: Normal Operation

Close: Entering Green Mode

GD (Green LED) Pin 1: LED anode(+)

Pin 2: LED cathode(−)

HD (IDE Hard Disk Active LED) Pin 1: LED anode(+)

Pin 2: LED cathode(−)

SPK (Speaker Connector) Pin 1: VCC(+)

Pin 2- Pin 3: NC
Pin 4: Data(−)

RE (Reset Switch) Open: Normal Operation

Close: Reset Hardware System

P+P−P−(Power LED)

Pin 1: LED anode(+)
Pin 2: LED cathode(−)
Pin 3: LED cathode(−)

PW (Soft Power Connector) Open: Normal Operation

Close: Power On/Off

20