Global American Inc. 2807790 User manual

User’s Manual
Mini-ITXMMotherboard22807790
Version 1.0, August
2007

Copyrights
This manual is copyrighted and all rights are reserved. It does not allow any non authorization in
copied, photocopied, translated or reproduced to any electronic or machine readable form in
whole or in part without prior written consent from the manufacturer.
In general, the manufacturer will not be liable for any direct, indirect, special, incidental or
consequential damages arising from the use of inability to use the product or documentation, even
if advised of the possibility of such damages. The manufacturer keeps the rights in the subject to
change the contents of this manual without prior notices in order to improve the function design,
performance, quality and reliability. The author assumes no responsibility for any errors or
omissions, which may appear in this manual, nor does it make a commitment to update the
information contained herein.
Trademarks
Intel is a registered trademark of Intel Corporation.
Award is a registered trademark of Award Software, Inc.
All other trademarks, products and or product's name mentioned herein are mentioned for
identification purposes only, and may be trademarks and/or registered trademarks of their
respective companies or owners.

iii
SafetyInstructions
CAUTION: Dangerofexplosionifbattery isincorrectlyreplaced.
Replaceonlywiththesameorequivalenttyperecommendedbythe
manufacturer.
1. Alwaysreadthe safetyinstructionscarefully.
2. KeepthisUser’sManualforfuturereference.
3. Keep thisequipmentawayfromhumidity.
4. Laythisequipmenton areliableflatsurfacebeforesettingitup.
5. Theopeningsontheenclosureareforairconvectionhenceprotectstheequip-
mentfromoverheating.DONOTCOVERTHEOPENINGS.
6. Makesurethevoltage ofthepowersourceandadjustproperly110/220Vbe-
foreconnecting theequipmenttothepowerinlet.
7. Placethepowercordsuchawaythatpeoplecannotstep on it.Donotplace
anythingoverthe powercord.
8. AlwaysUnplugthePowerCordbeforeinserting anyadd-oncardormodule.
9. Allcautionsandwarningson the equipment should benoted.
10.Neverpouranyliquidintothe openingthatcoulddamageorcauseelectrical
shock.
11. Ifanyofthefollowingsituationsarises,get theequipmentchecked byservice
personnel:
†Thepowercordorplug isdamaged.
†Liquidhaspenetrated intotheequipment.
†Theequipment hasbeen exposedtomoisture.
†Theequipmentdoesnotworkwelloryou cannotgetit workaccordingto
User’sManual.
†Theequipmenthasdroppedand damaged.
†Theequipment hasobvioussign of breakage.
12.DONOT LEAVE THISEQUIPMENT INANENVIRONMENT UNCONDITIONED,STOR-
AGETEMPERATUREABOVE600 C(1400F), IT MAYDAMAGETHEEQUIPMENT.

iv
FCC-BRadioFrequencyInterferenceStatement
Thisequipmenthasbeen
testedandfoundtocomply
withthe limitsforaClass B
digitaldevice,pursuanttoPart
15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection
againstharmfulinterferenceinaresidentialinstallation. Thisequipmentgenerates,
usesandcanradiateradio frequency energyand, ifnot installedand usedin accor-
dancewiththeinstructions,maycauseharmful interferencetoradio communications.
However,thereisnoguaranteethatinterferencewill notoccurinaparticular
installation.Ifthisequipmentdoescauseharmful interferencetoradio ortelevision
reception, whichcanbedeterminedbyturning theequipmentoff and on, theuseris
encouraged totrytocorrect theinterferencebyoneormoreofthe measureslisted
below.
†Reorientorrelocatethereceivingantenna.
†Increasetheseparation between theequipmentandreceiver.
†Connectthe equipmentintoan outletonacircuitdifferentfromthat to
whichthereceiverisconnected.
†Consult thedealeroranexperiencedradio/televisiontechnician forhelp.
Notice1
Thechangesormodificationsnotexpresslyapprovedbythe partyresponsible for
compliancecouldvoidtheuser’sauthoritytooperatetheequipment.
Notice2
ShieldedinterfacecablesandA.C.powercord,if any,must beused in orderto
complywiththeemissionlimits.
VOIRLANOTICED’ INSTALLATIONAVANTDERACCORDERAURESEAU.
2807790
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubject tothe
followingtwo conditions:
(1)thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethat
maycauseundesiredoperation.

viii
CONTENTS
TechnicalSupport.................................................................................................ii
SafetyInstructions................................................................................................iii
FCC-BRadioFrequency InterferenceStatement...................................................iv
WEEE (WasteElectricaland ElectronicEquipment)Statement................................v
Chapter 1ProductOverview..........................................................................1-1
MainboardSpecifications.............................................................................1-2
Block Diagram...............................................................................................1-4
MainboardLayout........................................................................................1-5
PowreConsumption....................................................................................1-6
SafetyCompliance&MTBF..........................................................................1-7
BoardDimension..........................................................................................1-8
Back Panel&I/OShield Drawing..................................................................1-9
Chapter 2HardwareSetup.............................................................................2-1
Quick ComponentsGuide.............................................................................2-2
Memory.......................................................................................................2-3
CPU(CentralProcessing Unit)......................................................................2-4
PowerSupply..............................................................................................2-7
Back Panel...................................................................................................2-8
Connectors................................................................................................2-10
Jumpers.....................................................................................................2-16
Slots..........................................................................................................2-17
Chapter 3SystemResources.......................................................................3-1
WatchDogTimerSetting..............................................................................3-2
AMIPOSTCode...........................................................................................3-3
ResourceList..............................................................................................3-6

2807790 Mainboard
1-2
Mainboard Specifications
ProcessorSupport
-AMDSempron,Athlon64/64X2(DualCore)processorwithAM2
package
-4-pinCPUfanpinheaderwithSmartFanSpeed Control
SupportedFSB
-HyperTransport supportingspeedupto1GHz(2000MT/s)
Chipset
-Northbridge: AMDRS690T
-Southbridge:AMDSB600
Memory Support
-DDR2400/533/667/800 (4GBMax)
-2DDR2SO-DIMM slots(unbuffered)
LAN
-2PCI-EGbLANbyMarvell 88E8056
Audio
-Realtek ALC888 7.1-channelHDAcodec
-6watt amplifier
IDE
-140-pinIDEconnector
-Supports2IDEdevices
SATA
-2SATAIIportsbySB600
-Supportsstorageanddatatransfersatupto300MB/s
Expansion Slots
-1PCIslot
-1MiniPCI-Esocket

1-3
ProductOverview
Connectors
RearI/O
-1PS/2mouseport
-1PS/2keyboardport
-2COMports
-1VGA/ HDMIstackconnector
-4USBports
-5flexibleaudiojacks
-1opticalSPDIF-outjack
OnboardConnector
-2USBconnectors(4ports)
-1parallelportconnector(LPT)
-1LVDSconnector
-1TV-Outconnector
-1amplifierconnector
-1frontpanelconnector
-1SMBUSconnector
-1CPUfan connector
-1systemfanconnector
-2SATAconnectors
-1ChassisIntrusionconnector
FormFactor
-Mini-ITX(17.0cmX17.0cm)
Mounting
-4mounting holes
Environmental
OperatingTemperature
-Temperature: -10oC~70oC
-Humidity:0% ~85% RH
StorageTemperature
-Temperature: -20oC~80oC
-Humidity: 25%~90%RH

2807790 Mainboard
1-4
Block Diagram

1-5
ProductOverview
(2807790 v1.X) Mini ITXMainboard
MainboardLayout
BATT
+
Top: mouse
Bottom:
keyboard
Top:LANJack
Bottom:USB ports
Top:LANJack
Bottom:USB ports
COMPorts
Top:VGAPort
Bottom:HDMI
T:
M:
B:
Line-In/SS-Out
Line-Out
Mic
T:RS-Out
M:CS
B:SPDIFOut
-Out
JAUD1
PCI1
SATA1
JFP1 CPUFAN1
JLPT1 IDEB1
J4
ATX1
DIMM2
J1
J2
DIMM1
JPW1
SYSFAN1
JBAT1
JCASE1
SATA2
CON1
Winbond
W83627DHG
J3
AMD
RS690T
SB600
JTV1
JUSB1
JUSB2
JLDVS1
ALC888
BackpanelI/O

2807790 Mainboard
1-6
PowerConsumption
Component
CPU AMDAthlon™64 x2DualCore2G
DDR2
HDD
ODD NECDVD-MultiRecordND-4550A
Description
1024MBDDR2533 *2
Maxtor80G2807790
12Vp 12V 5V 3.3V 5VSB -12V W
AMDThermNow! Utility 4.2 0.81 3.03 1.08 0.032 0.028 79.33
ParticleFuly+VCD +Xcopy 3.07 1.01 4.66 1.07 0.039 0.02 76.226
3Dmark2005 2.81 0.84 4.27 1.06 0.04 0.042 69.352
Idle 0.82 0.81 3.09 1.17 0.024 0.017 39.195
S3 0 0 0 0 0.512 0 2.56