Gigabyte GA-7DXC Manual

				FCC Compliance Statement:
				This equipment has been tested and found to
	DECLARATION OF CONFORMITY
	Per FCC Part 2 Section 2. 1077(a)			comply with limits for a Class B digital device,
	Responsible Party Name: G.B.T. INC.			pursuant to Part 15 of the FCC rules. These
				limits are	designed	to	provide		reasonable
	Address: 18305 Valley Blvd., Suite#A
		LA Puent, CA 91744		protection	against	harmful		interference			in
	Phone/Fax No: [phone]/ [phone]
	hereby declares that the product			residential	installations.		This		equipment
	Product Name: Mother Board
				generates,	uses, and		can	radiate		radio
	Model Number: GA-7DXC
	Conforms to the following specifications:			frequency energy, and if not installed and used
	FCC Part 15, Subpart B, Section 15.107(a) and Section 15.109(a),			in accordance with the instructions, may cause
	Class B Digital Device
	Supplementary Information:
				harmful interference		to radio		communications.
	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			However, there is no guarantee that interference
	that may cause undesired operation.
	Representative Person's Name:	ERIC LU
				will not occur in a particular installation. If this
	Signature:	EricLu
	Date:	Nov. 1, 2000		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

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-7DXC

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
	of radio disturbance characteristics of
	industrial, scientific and medical (ISM
	high frequency equipment
EN55013	Limits and methods of measurement
	of radio disturbance characteristics of
	broadcast receivers and associated
	equipment
EN 55014	Limits and methods of measurement
	of radio disturbance characteristics of
	household electrical appliances,
	portable tools and similar electrical
	apparatus
EN 55015	Limits and methods of measurement
	of radio disturbance characteristics of
	fluorescent lamps and luminaries
EN 55020	Immunity from radio interference of
	broadcast receivers and associated
	equipment
EN 55022	Limits and methods of measurement
	of radio disturbance characteristics of
	information technology equipment
DIN VDE 0855	Cabled distribution systems; Equipment
part 10	for receiving and/or distribution from
part 12	sound and television signals

CE marking

EN 61000-3-2*	Disturbances in supply systems caused
EN60555-2	by household appliances and similar
	electrical equipment “Harmonics”
EN61000-3-3*	Disturbances in supply systems caused
EN60555-3	by household appliances and similar
	electrical equipment “Voltage fluctuations”
EN 50081-1	Generic emission standard Part 1:
	Residual, commercial and light industry
EN 50082-1	Generic immunity standard Part 1:
	Residual, commercial and light industry
EN 55081-2	Generic emission standard Part 2:
	Industrial environment
EN 55082-2	Generic immunity standard Part 2:
	Industrial environment
ENV 55104	Immunity requirements for household
	appliances tools and similar apparatus
EN 50091- 2	EMC requirements for uninterruptible
	power systems (UPS)

(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 : Nov. 1, 2000	Name	:	Rex Lin

7DXC

AMD AthlonTM/DuronTM Socket A Processor

Motherboard

USER'S MANUAL

AMD AthlonTM/DuronTM Socket A Processor Motherboard

REV. 2.4 Second Edition

R-24-02-010110

1) Revision History

2) Item Checklist

3) Features

4) Hardware Setup

5) Performance & Block Diagram

6) Suspend to RAM

7) Four Speaker & SPDIF

8) DDR

9) @BIOSTM & EasyTuneIIITM

10) BIOS Setup

11) Appendix

How This Manual Is Organized

This manual is divided into the following sections:

Manual revision information

Product item list

Product information & specification

Instructions on setting up the motherboard

Product performance & block diagram

Instructions on STR installation

Four Speaker & SPDIF introduction

DDR introduction

@BIOSTM & EasyTuneIIITM introduction

Instructions on setting up the BIOS software

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
EasyTuneIIITM Introduction	P.40
Memory Installation	P.42
Page Index for BIOS Setup	P.44
Appendix	P.78

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	y	30.4 cm x 23.3 cm ATX size form factor, 4 layers PCB.
CPU	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	y	ICS 9248-153
	y 200 MHz DDR bus speeds
	y 100.7/100.9 MHz system bus speeds
	y	Supports 100 MHz
Memory	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
I/O Control	y	VT82C686B
Slots	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
On-Board IDE	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	y	1 floppy port supports 2 FDD with 360K, 720K, 1.2M,
Peripherals		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
Hardware Monitor	y	CPU/System fan revolution detect
	y	CPU/System temperature detect
	y	System voltage detect
	y CPU overheat shutdown detect

To be continued…

3

		Features Summary
On-Board Sound	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)
PS/2 Connector	y	PS/2 Keyboard interface and PS/2 Mouse interface
BIOS	y	Licensed AWARD BIOS, 2M bit flash ROM
Additional Features	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 EasyTuneIII™

4

7DXC Motherboard

7DXC Motherboard Layout

PS/2
J6	J15

USB1

POWER

ATX

A

COM

LPT

J50

COM B

& Audio

J24

J25

Game

AMR

J27

AGP

AC97

PCI1

J23

PCI2

PCI3

J26

			LED2
J17

Socket 462 CPU

AMD 761

J21

7DXC

FLOPPY

J18

IDE1

IDE2

DIMM1

DIMM2

SW1

J1

BAT1

JP1

JP5

BIOS

VT82C686B

Creative

PCI4

J7

CT5880

J12

BZ1

J13

PCI5

J14

J16

J9

J10

J8

USB2

5

		7DXC Motherboard Layout
			Page
	Page Index for CPU Speed Setup/Connectors/Panel and Jumper Definition
	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:						O: ON, X: OFF
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

7

Connectors

Connectors

ATX Power

10 1

20 11

	Pin No.	Definition
	3,5,7,13,	GND
	15,16,17
	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)

COM A / COM B / LPT Port

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

Connectors

IDE1 (Primary), IDE2 (Secondary) Connector

Red Line

IDE 1 IDE 2

J1: External SMBUS Header

1

																																				Pin No.					Definition
																																				1					SMB CLK
																																				2							NC
																																				3						GND
																																				4				SMB DATA
																																				5						+5V

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.

Definition

1

+5V SB

2

GND

3

Signal

11

Connectors

J12: IR Header

1

																																							Pin No.	Definition
																																							1	VCC (+5V)
																																							2	NC
																																							3	IR Data Input
																																							4	GND
																																							5	IR Data Output

J15: Power Fan

1

Pin No. Definition

																									1	Control
																									2	+12V
																									3	NC

12

7DXC Motherboard

J16: System Fan

																																															1
																																								Pin No.				Definition
																																								1					Control
																																								2						+12V
																																								3					SENSE

J17: CPU Fan

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

																																								1
																																							Pin No.	Definition
																																							1	CD-L
																																							2	GND
																																							3	GND
																																							4	CD-R

J25: AUX_IN

																																									1
																																								Pin No.	Definition
																																								1	AUX-L
																																								2	GND
																																								3	GND
																																								4	AUX-R

15

Connectors

LED2: DIMM LED

+

DIMM LED

PS/2 Keyboard & PS/2 Mouse Port

PS/2 Mouse

6	5
4	3
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

16

7DXC Motherboard

USB1: Rear USB Port

																																				1 3 5 7								Pin No.	Definition
																																												1	USB V1
																																												2	USB V0
																																												3	USB D1-
																																												4	USB D0-
																																												5	USB D1+
																																				2 4 6 8								6	USB D0+
																																												7	GND
																																												8	GND

USB 2: Front USB Connector

																																																Pin No.	Definition
																																																1	+5V
																																			2						10							2	GND
																																																3	USB D2-
																																																4	NC
																																				1					9							5	USB D2+
																																																6	USB D3+
																																																7	NC
																																																8	USB D3-
																																																9	GND
																																																10	+5V

17

Panel and Jumper Definition

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)

(If you want to use “USB Dev Wakeup from S3-S5” function, you have to set the BIOS setting “USB Dev Wakeup from S3-S5”

enabled, and the jumper “J6&J18” enabled).

USB1 *(Power on the computer and as soon as memory counting starts, press <Del>. You will enter BIOS Setup. Select the

item “POWER MANAGEMENT SETUP”, then select “USB Dev Wakeup from S3-S5: Enabled”. Remember to save the setting by pressing "ESC" and choose the “SAVE & EXIT SETUP” option.)

18

7DXC Motherboard

J7: BIOS Write Protect Function

1

Pin No.

Definition

Close

Write Protect Enable

Open

Write Protect Disable

(Default)

0Please set Jumper J7 to “Open” 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)

1

USB2

Pin No.

Definition

1-2 close

Enable FP USB Device

Wake up

2-3 close

Disable FP USB Device

Wake up (Default)

(If you want to use “USB Dev Wakeup From S3-S5” function, you have to set the BIOS setting “USB Dev Wakeup From S3-S5”

enabled, and the jumper “J8&J18” enabled).

*(Power on the computer and as soon as memory counting starts, press <Del>. You will enter BIOS Setup. Select the item “POWER MANAGEMENT SETUP”, then select “USB Dev Wakeup from S3-S5: Enabled”. Remember to save the setting by pressing "ESC" and choose the “SAVE & EXIT SETUP” option.)

19

	Panel and Jumper Definition
J13: Internal Buzzer Selection
	1
Pin No.	Definition
Close	Internal Buzzer Enable
	(Default)
Open	Internal Buzzer Disable

J14: 2x11 Pins Front Panel

GN

HD

S P K

RE

GD

1

1

1

1

P− P− P+

PW

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)	Pin 1: LED anode(+)
	Pin 2: LED cathode(− )
	Pin 3: LED cathode(− )
PW (Soft Power Connector)	Open: Normal Operation
	Close: Power On/Off

J18: STR Enable/Disable Jumper (Optional)

1

Pin No.

Definition

Open

STR Disable

Close

STR Enable (Default)

21

Panel and Jumper Definition

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

1

J27

1

J26

J26

J27

Primary CODEC

1-2 close

1-2 close

On-board AC97(Default)

2-3 close

2-3 close

AMR

J50: S3 KB/MS Wake up (Optional)

1

Pin No.

Definition

1-2 close

Normal (Default)

2-3 close

S3 KB/MS Wake up

22