Gigabyte GA-6CX User Manual

DECLARATION OF CONFORMITY

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

hereby declare s that the product

Product Name:

Model Number:

Mother Board

Representative Person's Name: ERIC LU

Signature:

Date: Aug. 27, 1999

GA- 6CX

FCC Compliance Statement:

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 , pursuant to Part 15 of the FCC

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

Address: 18305 Valley Blvd., Suite#A

LA Puent, CA 91744

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

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.

Eric Lu

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 dif ferent 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

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, scientif ic 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-6CX

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 : Aug. 27, 1999 Name : Rex Lin

(Stamp)

Manufacturer/Importer

Rex Lin

:

6CX

Pentium II/III Processor

Motherboard

USER'S MANUAL

Pentium II/III Processor MAINBOARD

REV. 1.00 Second Edition

R-100-02-091216

How This Manual is Organized

This manual is divided into the following sections:

1) Revision History 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) BIOS Setup Instructions on setting up the BIOS software

8) Appendix General reference

Table of Contents

Revision History P.1

Item Checklist P.2

Summary of Features P.3

6CX Motherboard Layout P.5

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

Performance List P.27

Block Diagram P.28

Suspend to RAM Installation P.39

Dual BIOS Introduction P.35

Memory Installation P.42

Page index for BIOS Setup P.44

Appendix P.77

6CX Motherboard

Revision History

Revision Revision Note Date

1.00 Initial release of the 6CX motherboard user’s manual. Nov.1999

1.00 Second release of the 6CX motherboard user’s manual . Dec.1999

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.

Dec. 16, 1999 Taipei, Taiwan, R.O.C

1

Item Checklist

þThe 6CX Motherboard
þCable for IDE / Floppy device
þCD (IUCD) for motherboard utilities
oInternal COMB Cable
oInternal USB Cable
oCable for SCSI device
þ6CX User’s Manual

þCRIMM Module

Item Checklist

2

6CX Motherboard

Summary of Features

Form factor Ÿ 30.5 cm x 20.5 cm ATX SIZE form factor, 4 layers PCB.
CPU

Ÿ Pentium
Ÿ 256/ 512 KB 2nd cache in CPU

Chipset Ÿ 82820 HOST / AGP / RDRAM Controller

Ÿ 82801AA(ICH) I/O Controller Hub

Clock Generator Ÿ Supports 100 / 133MHz

Ÿ 105/110/115/117/120/125/127/135/137/140/145/150 MHz clocks

Memory Ÿ 2 184-pin RIMM Sockets
I/O Control Ÿ Winbond W83627
Slots Ÿ 1 AMR (Audio Modem Riser) slot

Ÿ 1 Universal AGP slot

(1X / 2X / 4X 1.5V/3.3V 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

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

Ÿ 1 Parallel ports supports SPP/EPP/ECP mode
Ÿ 2 Serial Ports (COMA & COMB)
Ÿ 4 USB ports (Front USB Port Optional)
Ÿ 1 IrDA connector for Fast IrDA (Optional)
Ÿ 1 CIR connector (Optional)

Hardware Monitor 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

PS/2 Connector
BIOS

Ÿ PS/2
Ÿ Licensed AMI BIOS, 4M bit FLASH ROM
Ÿ Support Dual BIOS



II/III Processor

(reserved)



82801AA (ICH) PCI chipset
provides IDE HDD/ CD -ROM with PIO, Bus Master and Ultra
DMA/33/66 operation modes

and 2.88M bytes



Keyboard interface and PS/2 Mouse interface

3

Summary of Features

To be continued…
Additional Features Ÿ Internal/External Modem Wake up

Ÿ STR (Suspend-To-RAM)
Ÿ Wake On LAN
Ÿ Keyboard Password Wake up
Ÿ System after AC back
Ÿ Poly fuse for keyboard, USB, Game port over- current p rotection

4

6CX Motherboard

82820

JP34

6CX Motherboard Layout

PS/2

USB

JP3 JP27

JP32

JP1

J2

BAT1

JP2

J1

ATX PONER

JP31

FLOPPY

LPT

COMB COMA

GAME & AUDIO

AUX_IN

AUREAL

W83627

ISA

SPDIF

JP16

AMR

JP9

PCI SLOT1

TEL

PCI SLOT2

PCI SLOT3

PCI SLOT4

PCI SLOT5

CPU

AGP

CDIN

WAKE ON LAN

JP28

MCH

RING POW ON

RIMM 1

JP13

SW1

ICH

82801

RIMM 2

6CX

JP24

BZ1

JP15

IDE2

USB

IDE1

CIR

J9

J13

Backup

BIOS

Main

JP33

BIOS

JP18

JP22

JP21

5

6CX Motherboard Layout

6

6CX Motherboard

$
Page index for CPU Speed Setup / Connectors / Panel and Jumper

Page
Definition
CPU Speed Setup P.8
Connectors P.9
GAME & Audio Port P.9
COMA / COMB / LPT Port P.9
CN3(Back) USB Connector P.10
PS/2 Keyboard & PS/2 Mouse Connector P.10
CPU / Power / System Cooling FAN Power Connector P.11
ATX Power P.11
J8 (IR/CIR)[Optional] P.12
FLOPPY Port P.12
IDE 1(Primary)/ IDE 2(Secondary)Port P.13
SPDIF[Optional] P.13
AUX_IN P.14
CD IN P.14
TEL P.15
Wake On LAN P.15
Ring Power On P.16
CN9 (Front) USB Port [Optional] P.16
JP31 (External SMBUS Device Connector) P.17
JP2 (STR LED Connector) P.17
Panel and Jumper Definition P.18
J9 (2x11 pins jumper) P.18
JP3 (Keyboard Power On) P.19
J27 (Back USB device Wake Up Selection)[Optional] P.29
JP18 (Clear CMOS Function) P.20
JP21 (Safe mode/ Recovery / Normal) P.20
JP22 (Timeout Reboot Function) P.21
JP9 (AMR Select)[Optional] P.21
JP16 (CASE OPEN) P.22
JP28 (Onboard Sound Function Selection) P.22
JP33 (Front USB device Wake Up Selection)[Optional] P.23
JP15 (Top Block Lock) P.23
JP24 (Internal Buzzer Connector) [Optional] P.24

7

6CX Motherboard Layout

JP1 (STR Enable) P.24
JP32 (Over Voltage CPU Speed Up) P.25
JP34 (Write Protect) P.25
BAT1 (Battery) P.26

8

CPU Speed Setup

66.6

100.3

X

○

X

73.3

110

X

X

○

76.6

115

X

X

X

78

117

X

X

X

80

120

X

X X X

83.3

125 X X

○ ○

84.6

127 X X

○

X

66.6

133.3 X X

X

67.5

135 X X

X X 68.5

137 X X

X

○

70

140 X X

X

X

72.5

145 X X X X

75

150 X x X X

X

1 2 3 4

1 2 3 4

1 2 3 4

CPU Speed Setup

The CPU bus frequency can be switched between 100MHz and 133MHz by adjusting JP13 & SW

1. The CPU ratio selection is control by BIOS.
JP13 / SW1 Select the CPU Speed at 100MHz and 133MHz.

AGPCLK CPUCLK JP13 1 2 3 4

70 105 X

○ ○ ○ ○
○

○
○
○
○

○
○

○
○
○
○

○
○

○

○

○

○

66.6

(O: ON / X : OFF)

100/133/Au

to

○

○

X

100MHz

JP13

1

ON

SW1

X

133MHz

JP13

1

ON

SW1

8

○

100/133/Auto

JP13

1

ON

SW1

6CX Motherboard

Connectors

GAME & Audio Port

GAME

Port

COM A / COMB / LPT Port

Line Out

LPT PORT

COM A

MIC

Line

COM B

9

CN3 (Back) : USB Connector

3 4 5

8 7 6 5

1 2

3 4

PS/2 Keyboard & PS/2 Mouse Connector

Pin No. Definition

1 USB V0
2 USB D0­3 USB D0+
4 GND
5 USB V1
6 USB D1­7 USB D1+
8 GND

PS/2 Mouse

6

Connectors

2

1

PS/2 Keyboard

PS/2 Mouse/

Keyboard

Pin No. Definition

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

10

6CX Motherboard

CPU / Power / System Cooling FAN Power Connector

1

Pin No. Definition

1 GND
2 +12V
3 SENSE

ATX Power

Pin No. Definition

3,5,7,13,

1

15-17

1,2,11 3.3V

4,6,19,20 VCC

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

101120

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

14 PS-ON(Soft On/Off)

GND

11

J8 : IR/CIR (Optional)

1

6 10

FLOPPY Port

5

RED LINE

Connectors

Pin No. Definition

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

10 NC

12

6CX Motherboard

IDE 1

IDE1(Primary) , IDE2 (Secondary) Port

RED LINE

IDE 2

SPDIF : (The SPDIF output is capable of providing digital audio to
external speakers or compressed AC3 data to an external Dobly digital
decoder.)(Optional)

1

PIN No. Definition

1 VCC
2 SPDIF OUT
3 GND

13

AUX_IN

1

1

CD IN

Connectors

Pin No. Definition

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

Pin No. Definition

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

14

6CX Motherboard

1

TEL : The connector is for Modem with internal voice connector.

Pin No. Definition

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

Wake On LAN

1

Pin No. Definition

1 +5V SB
2 GND
3 Signal

15

Ring Power On

1 4 8

5

CN9 (Front): USB Port (Optional)

Connectors

1

Pin No. Definition

1 Signal
2 GND

Pin No. Definition

1 VCC
2 USB D0-

3 USB D0+
4 GND
5 VCC
6 USB D1­7 USB D1+
8 GND

16

6CX Motherboard

+

JP31: External SMBUS Device Connector

Pin No. Definition

1 SMB CLK
2 NC

3 GND
4 SMB DATA
5 +5V

JP2: STR LED Connector

STR LED Connector
External.

JP2

1

1

RAM Indicator

LED1

17

Panel and Jumper Definition

RE

J9: Panel Jumper

Panel and Definition

GN
HD

P+ P− P−

GD PW

1

1

1

S P K

1

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(−)
SPKR (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 Connec tor) Open: Normal Operation

Close: Power On/Off

18