Gigabyte GA-7DXC User Manual

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.

Phone/Fax No: [phone]/ [phone]

hereby declares that the product

Product Name:

Model Number:

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 harmfu l
and (2) this device must accept any inference received, including
that may cause undesired operation.

Representative Person's Name: ERIC LU

Signature:

Address: 18305 Valley Blvd., Suite#A

Mother Board

Date: Nov. 1, 2000

LA Puent, CA 91744

GA-7DXC

Er ic Lu

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 accord ance with the instr uctions, may cause
harmful interference to radio communications.
However, there is no guara nte e tha t i nterfer ence
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 th e equi pment off and on, the user i s encour aged to try t o
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 a ccept any interference received , in cl uding 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

Limits and methods of measurement

EN 55011

of radio disturbance char ac teristics of

industrial, scient ific and medical (ISM electrical equipment “ Harmonics”
high frequency equipment

Limits and methods of measurement

EN55013

of radio disturbance char ac teristics of
broadcast receivers and associated electrical equi pment “Voltage fluctuations”
equipment

Limits and methods of measurement

EN 55014

of radio disturbance char ac teristics of
portable tools and similar electric al

apparatus Residual, commer c ial and light indust r y

EN 55015

of radio disturbance char ac teristics of Industrial env ironment
fluorescent lam ps and luminaries

EN 55020

broadcast receivers and associated Industrial environment
equipment

EN 55022

of radio disturbance char ac teristics of appliances tools and similar apparatus
information technology equipment

DIN VDE 0855
part 10
part 12

household electrical appliances,

Limits and methods of measurement

Immunity fr om radio interference of

Limits and methods of measurement

Cabled distribution systems; Equipment
for receiving and/or
sound and television signals

distribution

declare that the product

from power systems (UPS)

Mother Board

GA-7DXC

is in conformity with

EN 61000-3-2*

EN60555-2

EN61000-3-3*
EN60555-3

EN 50081-1

EN 50082-1

EN 55081-2

EN 55082-2

ENV 55104

EN 50091- 2

Disturbances in supply systems caused

by household appliances and similar

Disturbances in supply systems caused

by household appliances and similar

Generic emission standar d P ar t 1:

Residual, commer c ial and light indust r y

Generic immunity standard Part 1:

Generic emission standard Par t 2:

Generic immunity standard Part 2:

Immunity requirem ents for household

EMC requirements for uninterruptible

CE marking

EN 60065

electronic and related apparatus for including electr ical business equipment
household and similar general use

EN 60335

electrical appl iances uninterruptible power system s (UPS )

Signature

The manufacturer also declares the conformity of above mentioned product
with the actual required safety standard s in accordance with LVD 73/23 EEC

Safety requirements for mains operated

Safety of household and similar

Date : Nov. 1, 2000 Name : Rex Li n

(Stamp)

Manufacturer/Importer

(EC conformity m ar k ing)

Safety f or information technology equipment

EN 60950

General and Safety r equirements for

EN 50091-1

:

Rex Lin

7DXC

AMD AthlonTM/Duron

Motherboard

USER'S MANUAL

AMD AthlonTM/DuronTM Socket A Processor Motherboard

TM

Socket A Pro cessor

REV. 2.4 Second Edition

R-24-02-010110

How This Manual Is Organized

This manual is divided into the following sections:

1) Revision History

2) Item Checklist

3) Features

Product information & specification

4) Hardware Setup

5) Performance & Block Diagram

6) Suspend to RAM

7) Four Speaker & SPDIF

8) DDR

DDR introduction

9) @BIOS

TM

10) BIOS Setup

Manual revision information

Product item list

Instructions on setting up the motherboard

Product performance & block diagram

Instructions on STR installation

Four Speaker & SPDIF introduction

& EasyTune

III

TM

@BIOS

TM

& EasyTune

III

TM

Instructions on setting up the BIOS

introduction

software

11) Appendix

General reference

Table Of Content

Revision History P.1
Item Checklist P.2
Feature Summary P.3
7DXC Motherboard Layout P.5
Page Index for CPU Speed Setup/Connectors/Panel and Jumper Definition P.6
Performance List P.24
Block Diagram P.25
Suspend to RAM Installation P.26
Four Speaker & SPDIF Introduction (Optional) P.32
DDR Introduction P.38
@BIOSTM Introduction P.39
EasyTune
Memory Installation P.42
Page Index for BIOS Setup P.44
Appendix P.78

TM

Introduction P.40

III

7DXC Motherboard

Revision History

Revision Revision Note Date

2.4 Initial release of the 7DXC motherboard user’s manual. Nov. 2000

2.4 Second release of the 7DXC motherboard user’s manual. Jan. 2001

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.

Jan. 10, 2001 Taipei, Taiwan, R.O.C

1

Item Checklist

Item Checklist

;

The 7DXC motherboard

;

Cable for IDE / floppy device

;

Diskettes or CD (TUCD) for motherboard driver & utility

;

7DXC user’s manual

2

7DXC Motherboard

Feature Summary

Form Factor
CPU

y

30.4 cm x 23.3 cm ATX size form factor, 4 layers PCB.

y

AMD AthlonTM/DuronTM (K7) Socket A Processor

y

256K/64K L2 cache on die

y

Supports 600MHz ~ 1GHz and above

Chipset 7DXC, consisting of:

y

AMD 761 Memory/PCI/AGP Controller

y

VT82C686B PCI Super-I/O Integrated Peripheral

Controller (PSIPC)

Clock Generator

Memory

I/O Control
Slots

On-Board IDE

y

ICS 9248-153

y

200 MHz DDR bus speeds

y

100.7/100.9 MHz system bus speeds

y

Supports 100 MHz

y

2 184-pin DDR DIMM sockets

y

Supports PC1600 DDR SDRAM

y

Supports up to 2GB DRAM (Max)

y

Supports only 2.5V DDR SDRAM

y

Supports 72bit ECC type DRAM integrity mode

y

VT82C686B

y

1 AGP slot supports 2X/4X mode & AGP 2.0 compliant

y

5 PCI slots supports 33MHz & PCI 2.2 compliant

y

1 AMR (Audio Modem Riser) slot

y

2 IDE bus master (UDMA 33/ATA 66/ATA100) IDE

ports for up to 4 ATAPI devices

y

Supports PIO mode 3, 4, UDMA33/ATA66/ATA100 IDE

& ATAPI CD-ROM
On-Board
Peripherals

Hardware Monitor

y

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

1.44M and 2.88M bytes

y

1 parallel port supports Normal/EPP/ECP mode

y

2 serial ports (COM A & COM B)

y

4 USB ports

y

1 IrDA connector for IR

y

CPU/System fan revolution detect

y

CPU/System temperature detect

y

System voltage detect

y

CPU overheat shutdown detect

To be continued…

3

On-Board Sound

PS/2 Connector
BIOS

Additional Features

Features Summary

y

Creative CT5880 sound (Optional)

y

AC’97 CODEC

y

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

/ Four Speaker & SPDIF (Optional)

y

PS/2 Keyboard interface and PS/2 Mouse interface

y

Licensed AWARD BIOS, 2M bit flash ROM

y

Support Wake-On-LAN (WOL)

y

Support Internal / External Modem Ring On

y

Support USB KB/MS Wake up from S3-S5

y

Includes 3 fan power connectors

y

Poly fuse for keyboard over-current protection

y

Support STR (Suspend-To-RAM) function

y

Support @BIOS™ and EasyTune

III

™

4

7DXC Motherboard

7DXC Motherboard Layout

PS/2

USB1

COM A

COM B

J6

J15

Socket 462 CPU

ATX POWER

J50

LPT

AMD 761

J17

LED2

FLOPPY

J18

Game & Audio

J24

AC97

J23

Creative
CT5880

J26

J16

J27

J25

AMR

PCI1

PCI2

PCI3

PCI4

PCI5

J21

IDE2

DIMM2

BZ1

J14

BIOS

J13

IDE1

BAT1

JP5

J7

7DXC

DIMM1

AGP

SW1

JP1

VT82C686B

J10

J9

J8

USB2

J1

J12

5

7DXC Motherboard Layout



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

Page

CPU Speed Setup P.7
SW1 P.7
Connectors P.8
ATX Power P.8
COM A / COM B / LPT Port P.8
Floppy Connector P.9
Game & Audio Port P.9
IDE 1(Primary) / IDE 2(Secondary) Connector P.10
J1 (External SMBUS Header) P.10
J9 (Ring Power On) P.11
J10 (Wake On LAN) P.11
J12 (IR Header) P.12
J15 (Power Fan) P.12
J16 (System Fan) P.13
J17 (CPU Fan) P.13
J21 (Chip Fan) P.14
J23 (TEL) P.14
J24 (CD Audio Line In) P.15
J25 (AUX_IN) P.15
LED2 (DIMM LED) P.16
PS/2 Keyboard & PS/2 Mouse Port P.16
USB1 (Rear USB Port) P.17
USB2 (Front USB Connector) P.17
Panel and Jumper Definition P.18
BAT1 (Battery) P.18
J6 (Rear USB Device Wake up Selection) P.18
J7 (BIOS Write Protect Function) P.19
J8 (Front Panel USB Device Wake up Selection) P.19
J13 (Internal Buzzer Selection) P.20
J14 (2x11 Pins Front Panel) P.20
J18 (STR Enable /Disable Jumper) [Optional] P.21
J26&J27 (Primary CODEC Selection)[For AC97 Only] P.22
J50 (S3 KB/MS Wake up) [Optional] P.22
JP1 (Registered/Unbuffered DDR DIMM Selection) [Optional] P.23
JP5 (Clear CMOS Function) [Optional] P.23

6

7DXC Motherboard

CPU Speed Setup

The system bus speed is selectable at 100~133MHz. The user can select the system bus speed
by DIP switch

SW1

.

SW1: CPU Speed Setup

Set System Bus Speed
SW1:

CPU PCI AGP 1 2 3 4

133 33.3 66.6 O O O O
115 38.3 76.67 X X O X
110 36.67 73.33 X X X X
105 35 70 O X X X
103 34.33 68.67 X O X X

100.9 33.66 67.335 O X O X

100.7 33.57 67.13 O O X X
95 31.67 63.33 X O O X

O: ON, X: OFF

7

Connectors

ATX Power

COM A / COM B / LPT Port

Connectors

Pin No. Definition

10

15,16,17

GND

3,5,7,13,

1

1,2,11 3.3V

4,6,19,20 VCC

10 +12V
12 -12V

11

20

18 -5V

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

14 PS-ON (Soft On/Off)

LPT Port

COM A

COM B

8

7DXC Motherboard

Floppy Connector

Game & Audio Port

FLOPPY1

Red Line

Game

Port

Line Out 1

MIC In

Line In/Line Out 2

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). To enable SPDIF, simply insert SPDIF
connector into Line Out1. Line Out1 will become
SPDIF Out automatically. (see page 35 for more
information).
To enable Four Speaker (for Creative 5880 audio
only), simply follow instructions on page 32 and Line In
will become Line Out2 to support second pair of stereo
speakers.

9

IDE1 (Primary), IDE2 (Secondary) Connector

IDE 1 IDE 2

J1: External SMBUS Header

1

Pin No. Definition

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

Connectors

Red Line

10

7DXC Motherboard

J9: Ring Power On (Internal Modem Card Wake Up)

1

Pin No. Definition

1 Signal
2 GND

J10: Wake On LAN

1

Pin No. Defin itio n

1 +5V SB
2 GND
3 Signal

11

J12: IR Header

J15: Power Fan

Connectors

1

Pin No. Definition

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

1

Pin No. Definitio n

1 Control
2 +12V
3 NC

12

7DXC Motherboard

J16: System Fan

J17: CPU Fan

1

Pin No. Definition

1 Control
2 +12V
3 SENSE

1

Pin No. Definition

1 Control
2 +12V
3 SENSE

13

Connectors

J21: Chip Fan

1

Pin No. Definition

1 GND
2 +12V

J23 TEL: This connector is for Modem with internal voice connector

1

Pin No. Definition

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

14

7DXC Motherboard

J24: CD Audio Line In

J25: AUX_IN

1

Pin No. Definition

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

1

Pin No. Definition

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

15

LED2: DIMM LED

DIMM LED

PS/2 Keyboard & PS/2 Mouse Port

Connectors

+

PS/2 Mouse

6

4

2

5

3

1

PS/2 Keyboard

PS/2 Mouse/ Keyboard

Pin No. Definition

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

16

7DXC Motherboard

USB1: Rear USB Port

USB 2: Front USB Connector

1

2

3 1

2 4

Pin No. Definition

7

5

1 USB V1
2 USB V0
3 USB D1­4 USB D0­5 USB D1+

6

8

6 USB D0+
7 GND
8 GND

Pin No. Definition

1 +5V

10

2 GND
3 USB D2­4 NC

9

5 USB D2+
6 USB D3+
7 NC
8 USB D3­9 GND

10 +5V

17

Panel and Jumper Definiti on

Panel And Jumper Definition

BAT1: Battery

+

CAUTION

Danger of explosion if battery

☞

is incorrectly replaced.

Replace only with the same or

☞

equivalent type recommended
by the manufacturer.

Dispose of used batteries

☞

according to the manufacturer’s
instructions.

J6: Rear USB Device Wake up Selection (USB Connector Æ USB1)

1

Pin No. Definition

1-2 close Rear USB Device Wake up

Enable

2-3 close Rear USB Device Wake up

Disable (Default)

USB1

(If you want to use “
have to set the BIOS setting “USB Dev Wakeup from S3-S5”
enabled, and the jumper “
*(Power on the computer and as soon as memory counting
starts, press <Del>. You will enter BIOS Setup. Select the
item “

POWER MANAGEMENT SETUP

Dev Wakeup from S3-S5: Enabled

the setting by pressing "ESC" and choose the “SAVE & EXIT
SETUP” option.)

USB Dev Wakeup from S3-S5

” enabled).

J6&J18

”, then select “

”. Remember to save

” function, you

USB

18

7DXC Motherboard

J7: BIOS Write Protect Function

1

Pin No. Definition

Close Write Protect Enable
Open Write Protect Disable

(Default)

Please set Jumper J7 to “Open”

0

to enabled BIOS write function when
you update new BIOS or new device.

J8: Front Panel USB Device Wake up Selection (USB Port Æ USB2)

USB2

1

Pin No. Definition

1-2 close
2-3 close

(If you want to use “
have to set the BIOS setting “USB Dev Wakeup From S3-S5”
enabled, and the jumper “
*(Power on the computer and as soon as memory counting
starts, press <Del>. You will enter BIOS Setup. Select the
item “

POWER MANAGEMENT SETUP

Dev Wakeup from S3-S5: Enabled

the setting by pressing "ESC" and choose the “SAVE & EXIT
SETUP” option.)

USB Dev Wakeup From S3-S5

Enable FP USB Device
Wake up
Disable FP USB Device
Wake up (Default)

” enabled).

J8&J18

”, then select “

”. Remember to save

” function, you

USB

19

J13: Internal Buzzer Selection

J14: 2x11 Pins Front Panel

Panel and Jumper Definiti on

1

Pin No. Definition

Close Internal Buzzer Enable

(Default)

Open Internal Buzzer Disable

GN

HD

1

S P K

P−P−P+

RE

1

1

PW

GD

1

20

7DXC Motherboard

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)

PW (Soft Power Connector) Open: Normal Operation

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

Close: Power On/Off

J18: STR Enable/Disable Jumper (Optional)

1

Pin No. Definitio n

Open STR Disable

Close STR Enable (Default)

21

Panel and Jumper Definiti on

J26 & J27: Primary CODEC Selection (For AC97 Only)

1

J27

J26 J27 Primary CODEC
1-2 close 1-2 close On-b oa rd A C 97 (D efa ult)
2-3 close 2-3 close AM R

J50: S3 KB/MS Wake up (Optional)

Pin No. Definitio n
1-2 close Normal (Default)
2-3 close S3 KB/MS Wake up

1

J26

1

22