Biostar A780L3, A780L3G, A785G3 Owner's Manual
A785G3/A780L3/A780L3G Setup Manual
FCC Information and Copyright
This equipment has been tested and found to comply with the limits of 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 a residential
installation. 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. There is no guarantee
that interference will not occur in a particular installation.
The vendor makes no representations or warranties with respect to the
contents here and specially disclaims any implied warranties of merchantability
or fitness for any purpose. Further the vendor reserves the right to revise this
publication and to make changes to the contents here without obligation to
notify any party beforehand.
Duplication of this publication, in part or in whole, is not allowed without first
obtaining the vendor’s approval in writing.
The content of this user’s manual is subject to be changed without notice and
we will not be responsible for any mistakes found in this user’s manual. All the
brand and product names are trademarks of their respective companies.
Table of Contents
Chapter 1: Introduction ............................................................ 1
1.1 Before You Start ................................................................................ 1
1.2 Package Checklist............................................................................. 1
1.3 Motherboard Features...................................................................... 2
1.4 Rear Panel Connectors ..................................................................... 3
1.5 Motherboard Layout......................................................................... 4
Chapter 2: Hardware Installation ............................................. 5
2.1 Installing Central Processing Unit (CPU) ....................................... 5
2.2 FAN Headers...................................................................................... 7
2.3 Installing System Memory................................................................ 8
2.4 Connectors and Slots....................................................................... 10
Chapter 3: Headers & Jumpers Setup .................................. 13
3.1 How to Setup Jumpers .................................................................... 13
3.2 Detail Settings.................................................................................. 13
Chapter 4: RAID Functions ..................................................... 18
4.1 Operating System............................................................................ 18
4.2 Raid Arrays...................................................................................... 18
4.3 How RAID Works............................................................................. 18
Chapter 5: Useful Help ............................................................ 21
5.1 Driver Installation Note.................................................................. 21
5.2 Software ............................................................................................ 22
5.3 Extra Information............................................................................ 26
5.4 AMI BIOS Beep Code....................................................................... 28
5.5 Troubleshooting............................................................................... 29
Appendix: SPEC In Other Languages ...................................... 30
German.................................................................................................................. 30
French .................................................................................................................... 32
Italian..................................................................................................................... 34
Spanish ................................................................................................................... 36
Portuguese ............................................................................................................ 38
Polish...................................................................................................................... 40
Russian ................................................................................................................... 42
Arabic..................................................................................................................... 44
Japanese ................................................................................................................ 46
CHAPTER 1: INTRODUCTION
A785G3/A780L3/A780L3G
1.1 B
EFORE YOU START
Thank you for choosing our product. Before you start installing the
motherboard, please make sure you follow the instructions below:
Prepare a dry and stable working environment with
sufficient lighting.
Always disconnect the computer from power outlet
before operation.
Before you take the motherboard out from anti-static
bag, ground yourself properly by touching any safely
grounded appliance, or use grounded wrist strap to
remove the static charge.
Avoid touching the components on motherboard or the
rear side of the board unless necessary. Hold the board
on the edge, do not try to bend or flex the board.
Do not leave any unfastened small parts inside the
case after installation. Loose parts will cause short
circuits which may damage the equipment.
Keep the computer from dangerous area, such as heat
source, humid air and water.
The operating temperatures of the computer should be
0 to 45 degrees Celsius.
1.2 PACKAGE CHECKLIST
HDD Cable X 1 (optional)
Serial ATA Cable X 2
Rear I/O Panel for ATX Case X 1
Installation Guide X 1
Fully Setup Driver CD X 1 (full version manual files inside)
FDD Cable X 1 (optional)
USB 2.0 Cable X1 (optional)
Serial ATA Power Cable X 1 (optional)
Note: The package contents may be different due to area or your motherboard version.
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Motherboard Manual
1.3 MOTHERBOARD FEATURES
A785G3 A780L3/A780L3G
CPU
FSB
Chipset
Super I/O
Main
Memory
Graphics
IDE
SATA II
LAN
Sound
Slots
Socket AM3
AMD Phenom II/ Athlon II processors
AMD 64 Architecture enables 32 and 64 bit
computing
Supports Hyper Transport 3.0 and Cool=n=Qu iet
(Maximum Watt: 125W)
Support HyperTransport 3.0
Supports up to 5.2 GT/s Bandwidth
AMD 785G
AMD SB710
ITE 8718F
Prov ides the most co mmonly used legacy Supe r
I/O functionality
Low Pin Count Interface
En vir on ment Control in it iatives
H/W Monitor
ITE's "S mart Guard ian" funct ion
DDR3 DIMM Slots x 2
Max Memory Capacity 8GB
Each DIMM supports 512MB/1GB/2GB/4GB
DDR3
Dual Cha nne l Mode DDR3 me mory module
Supports DDR3 800 / 1066 / 1333
Registered DIMM and ECC DIMM is no t
supported
Integrated in AMD 785G Chipset
Max Shared V ideo Memo ry is 512MB
DX10.1/HDCP/UVD2 support
Int egrated IDE Contro ller
Ultra DMA 33 / 66 / 100 / 133 Bus Master Mode
supports PIO Mode 0~4,
Integrated Serial ATA Controller
Data transfer rat es up to 3 Gb/s
SATA Version 2.0 sp ecif icat ion co mp lian t
Realtek RTL 8111DL
10 / 100 Mb/s / 1Gb/s auto negotiation
Half / Full duplex capability
ALC662
5.1 channels audio out
High Definition Audio
PCI Express Gen2 x16 slot x1 PCI Express Gen2 x16 slot x1
PCI slot x2 PCI slot x2
Socket AM3
AMD Phenom II/ Athlon II processors
AMD 64 Architecture enables 32 and 64 bit
computing
Supports Hyper Transport 3.0 and Cool=n=Qu iet
(Maximum Watt: 125W)
Support HyperTransport 3.0
Supports up to 5.2 GT/s Bandwidth
AMD 780L
AMD SB710
ITE 8718F
Prov ides the most commonly used legacy Super
I/O functionality
Low Pin Count Interface
En vir on ment Control in it iatives
H/W Monitor
ITE's "S mart Guard ian" funct ion
DDR3 DIMM Slots x 2
Max Memory Capacity 8GB
Each DIMM supports 512MB/1GB/2GB/4GB
DDR3
Dual Cha nne l Mode DDR3 me mory module
Supports DDR3 800 / 1066 / 1333
Registered DIMM and ECC DIMM is no t
supported
Integrated in AMD 780L Chipset
Max Shared V ideo Memo ry is 512MB
DX10/HDCP support
Int egrated IDE Contro ller
Ultra DMA 33 / 66 / 100 / 133 Bus Master Mode
supports PIO Mode 0~4,
Integrated Serial ATA Controller
Data transfer rat es up to 3 Gb/s
SATA Version 2.0 sp ecif icat ion co mp lian t
Realtek RTL 8102EL / RTL 8111DL
10 / 100 Mb/s auto negotiation (A780L3)
10 / 100 Mb/s / 1Gb/s auto negotiation (A780L3G)
Half / Full duplex capability
ALC662
5.1 channels audio out
High Definition Audio
2
A785G3/A780L3/A780L3G
A785G3 A780L3/A780L3G
Floppy Connector x1 Floppy Connector x1
IDE Co nn ector x1 ID E Con nect or x1
SATA Connector x4 SATA Connector x4
Front Panel Connector x1 Front Panel Connector x1
Front Audio Connector x1 Front Audio Connector x1
S/PDIF Out Connector x1 S/PDIF Out Connector x1
On Board
Connector
Back Panel
I/O
Board Size 200 mm(W) x 244 mm(L) 200 mm(W) x 244 mm(L)
Special
Features
OS Support
CPU Fan Header x1 CPU Fan Header x1
System Fan Header x1 System Fan Header x1
CMOS clear Header x1 CMOS clear Header x1
USB Connector x2 USB Connector x2
Power Connector (24pin) x1 Power Connector (24pin) x1
Power Connector (4pin) x1 Power Connector (4pin) x1
Printer Port Connector x1 Pr inter Port Co nnect or x 1
Serial port Connector x1 Serial port Connector x1
PS/2 Keyboard x1
PS/2 Mouse x1
DVI port x1
VGA port x1
LAN port x1
USB Port x4
Audio Jack x3
RAID 0 / 1 / 1+0 support RAID 0 / 1 / 1+0 support
Windows XP / Vista / 7
Biostar reserves the right to add or remove
support for any OS With or without notice.
PS/2 Keyboard x1
PS/2 Mouse x1
DVI port x1
VGA port x1
LAN port x1
USB Port x4
Audio Jack x3
Windows XP / Vista / 7
Biostar reserves the right to add or remove
support for any OS With or without notice.
1.4 R
EAR PANEL CONNECTORS
PS/2
Mou se
PS/2
Keyboard
VGA
DVI-D
LAN
Line In/
Surr ound
Line Out
Mic In 1/
Bass/ Center
USB X2USBX2
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Motherboard Manual
1.5 MOTHERBOARD LAYOUT
KBMS1
VGA1
DVI1
USB1
RJ45USB1
AUDIO1
JUSBV1
JSPDIFOUT1
LAN
ATXPWR2
BAT1
PEX16_1
AMD
785G/
780L
CPU_FAN1
ATXPWR1
Socket AM3
DR B
D3_1DR A
D3_1
IDE1
SATA4
SATA3
BIOS
4
Super I/O
Codec
F_AUDIO1
Note: represents the 1■
J_COM1 J_PRINT1
PCI 1
PCI 2
st
pin.
FDD1
F_USB2
AMD
SB710
F_USB1
JUSBV2
SYS_FAN1
JCMO S1
SATA2
SATA1
PAN EL 1
A785G3/A780L3/A780L3G
CHAPTER 2: HARDWARE INSTALLATION
2.1 I
NSTALLING CENTRAL PROCESSING UNIT (CPU)
Step 1: Pull the lever toward direction A from the socket and then raise the
lever up to a 90-degree angle.
Step 2: Look for the white triangle on socket, and the gold triangle on
CPU should point towards this white triangle. The CPU will fit only
in the correct orientation.
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Motherboard Manual
Step 3: Hold the CPU down firmly, and then close the lever toward direct
B to complete the installation.
Step 4: Put the CPU Fan on the CPU and buckle it. Connect the CPU
FAN power cable to the CPU_FAN1. This completes the
installation.
6
A785G3/A780L3/A780L3G
2.2 FAN HEADERS
These fan headers support cooling-fans built in the computer. The fan
cable and connector may be different according to the fan manufacturer.
Connect the fan cable to the connector while matching the black wire to
pin#1.
CPU_FAN1: CPU Fan Header
41
SYS_FAN1: System Fan Header
Pin
Assignment
1 Ground
2 +12V
3
FAN RPM r ate
sense
4 Smart Fan
Control (By Fan)
Pin
Assignment
1 Ground
2 +12V
3 FAN RPM rate
sense
13
Note:
CPU_FAN1 supports 4-pin head connector. SYS_FAN1 supports 3-pin head connector.
When connecting with wires onto connectors, please note that the red wire is the positive
and should be co nnected to pin#2, and the black wire is Ground and should be
connected to GND.
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Motherboard Manual
2.3 INSTALLING SYSTEM MEMORY
A. Memory Modules
DD R B3_ 1
D3_A1RD
1. Unlock a DIMM slot by pressing the retaining clips outward. Align a
DIMM on the slot such that the notch on the DIMM matches the
break on the Slot.
2. Insert the DIMM vertically and firmly into the slot until the retaining
chip snap back in place and the DIMM is properly seated.
8
A785G3/A780L3/A780L3G
B. Memory Capacity
DIMM Socket
Location
DDR3_A1 512MB/1GB/2GB/4GB
DDR3_B1 512MB/1GB/2GB/4GB
DDR3 Module
Total Mem ory
Size
Max is 8GB.
C. Dual Channel Memory installation
Please refer to the following requirements to activate Dual Channel function:
Install memory module of the same density in pairs, shown in the table
Dual Channel Status
Disabled X O
Disabled O X
Enabled O O
(O means memory installed, X means memory not installed.)
The DRAM bus width of the memory module must be the same (x8 or
x16)
DDR3_A1
DDR3_B1
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Motherboard Manual
133
2.4 CONNECTORS AND SLOTS
FDD1: Floppy Disk Connector
The motherboard provides a standard floppy disk connector that supports 360K,
720K, 1.2M, 1.44M and 2.88M floppy disk types.
IDE1: Hard Disk Connector
The motherboard has a 32-bit Enhanced PCI IDE Controller that provides PIO
Mode 0~4, Bus Master, and Ultra DMA 33/66/100/133 functionality.
234
3940
SATA1~SATA4: Serial ATA Connectors
The motherboard has a PCI to SATA Controller with 4 channels SATA interface,
it satisfies the SATA 2.0 spec and with transfer rate of 3.0Gb/s.
10
SATA4
SATA3
SATA2
SATA1
21
147
Pin
Assignment
1 Ground
2 TX+
3 TX4 Ground
5 RX6 RX+
7 Ground
A785G3/A780L3/A780L3G
1
2
ATXP WR1: ATX P ower Source Connector
This connector allows user to connect 24-pin power connector on the ATX
power supply.
12
1
Pin Assignment Pin Assignm ent
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 Ground 3 Ground
16 PS_ON 4 +5V
17 Ground 5 Ground
18 Ground 6 +5V
19 Ground 7 Ground
20 NC 8 PW_OK
21 +5V 9 Standby Voltage+5V
22 +5V 10 +12V
23 +5V 11 +12V
24 Ground 12 +3.3V
24
13
ATXP WR2: ATX P ower Source Connector
Connecting this connector will provide +12V to CPU power circuit.
Pin
34
1 +12V
2 +12V
3 Ground
4 Ground
Assignment
Note:
Before you power on the system, please make sure that both ATXPWR1 and ATXPWR2
connectors have been plugged-in.
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Motherboard Manual
PEX16_1: PCI-Express Gen2 x16 Slot
- PCI-Express 2.0 compliant.
- Maximum theoretical realized bandwidth of 8GB/s simultaneously per
direction, for an aggregate of 16GB/s totally.
PCI1~PCI2: Peripheral Component Interconnect Slots
This motherboard is equipped with 2 standard PCI slots. PCI stands for
Peripheral Component Interconnect, and it is a bus standard for expansion
cards. This PCI slot is designated as 32 bits.
PEX16_1
12
PCI1
PCI2
A785G3/A780L3/A780L3G
CHAPTER 3: HEADERS & JUMPERS SETUP
3.1 H
OW TO SETUP JUMPERS
The illustration shows how to set up jumpers. When the jumper cap is
placed on pins, the jumper is “close”, if not, that means the jumper is
“open”.
Pin opened Pin closed Pin1-2 closed
3.2 DETAIL SETTINGS
PANEL1: Front Panel Header
This 16-pin connector includes Power-on, Reset, HDD LED, Power LED, and
speaker connection. It allows user to connect the PC case’s front panel switch
functions.
PWR_LED
On/Off
-
SPK
++
HLED
16
8
-
+
RST
9
1
Pin Assignment Function Pin Assignment Function
1 +5V 9 N/A
2 N/A 10 N/A
3 N/ A 1 1 N/A N/A
4 Speaker
5 HDD LED (+) 13 Power LED (+)
6 HDD LED (-)
7 Ground 15 Power button
8 Reset control
Speaker
Connector
Hard drive
LED
Reset button
12 Power LED (+)
14 Power LED (-)
16 Ground
N/A
Power LED
Power-on button
13
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