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1/21/2017 new driver models for direct download:1105
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Gigabyte Socket Am2 Nvidia Nforce 550 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Gigabyte Socket Am2 Nvidia Nforce 550
Certifications for Gigabyte Socket Am2 Nvidia Nforce 550
5 stars for Gigabyte Socket Am2 Nvidia Nforce 550 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 1/21/2017 Updates

All drivers on semantic.gs are updated on daily basis.

However, a new version of Gigabyte Socket Am2 Nvidia Nforce 550 might have been uploaded since our last site update.

Gigabyte Socket Am2 Nvidia Nforce 550 Driver Download

Windows Compatibility for Gigabyte Socket Am2 Nvidia Nforce 550 driver

Gigabyte Socket Am2 Nvidia Nforce 550 Driver Details:

Gigabyte Socket Am2 Nvidia Nforce 550 File Name: gigabyte_socket_am2_nvidia_nforce_550.zip

Gigabyte Socket Am2 Nvidia Nforce 550 Driver Version: 61r6NBkV

Gigabyte Socket Am2 Nvidia Nforce 550 ZIP Size: 145.kb

Manufacturer: Gigabyte

Gigabyte Socket Am2 Nvidia Nforce 550 was fully scanned at: 1/19/2017
Scan Status: driver download scanOK

Gigabyte Socket Am2 Nvidia Nforce 550 special revision for: Windows 10 64 bit, Windows 7 Home Basic 32 bit, Windows XP Media Center Edition 32 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64 bit, Windows Vista Home Premium 32 bit, Windows 7 Enterprise (Microsoft Windows NT) 32 bit, Windows RT 64 bit, Windows XP Professional x64 Edition 32 bit, Windows Vista Starter 64 bit, Windows 8 Pro 64 bit, Windows 8 Enterprise 64 bit, Windows XP Media Center Edition 2005 64 bit

Gigabyte Socket Am2 Nvidia Nforce 550 Download Stats:

Driver Uploaded: 11/20/2016

Direct Downloads: 197
Most Recent Download: 1/20/2017
Managed Downloads: 1042
Most Recent Download: 1/18/2017
Download Mirrors: 2
Current Delay: 29 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 183/197 Users

Success Reported By 46/183 Users

Driver Download Score67/100

Driver Installation Score67/100

Overall preformance Score66/100

Gigabyte Socket Am2 Nvidia Nforce 550 19 Thumbs Up19Thumbs
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Gigabyte Socket Am2 Nvidia Nforce 550 3 Thumbs Down3Thumbs
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Gigabyte Socket Am2 Nvidia Nforce 550 driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 821/1042 Users

Success Reported By 656/821 Users

Driver Download Score78/100

Driver Installation Score79/100

Overall preformance Score97/100

Gigabyte Socket Am2 Nvidia Nforce 550 630 Thumbs Up630Thumbs
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Gigabyte Socket Am2 Nvidia Nforce 550 70 Thumbs Down70Thumbs
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Gigabyte Socket Am2 Nvidia Nforce 550 driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.

DOWNLOAD OPTIONS:

1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Gigabyte Socket Am2 Nvidia Nforce 550 is the only driver on your PC you wish to update.

 

2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Gigabyte Socket Am2 Nvidia Nforce 550 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Gigabyte Socket Am2 Nvidia Nforce 550, or the driver installation manager, take a few minutes to send us a report:
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Gigabyte Socket Am2 Nvidia Nforce 550 may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Gigabyte Socket Am2 Nvidia Nforce 550 disfunctions.

Scan performed on 1/21/2017, Computer: Panasonic CF-Y4HW2AXS

Outdated or Corrupted drivers:5/17

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) Xeon(R) E5 v2/Core i7 R2PCIe - 0E34Up To Date and Functioning
Mice And Touchpads
Logitech Logitech Gaming Virtual MouseUp To Date and Functioning
Usb Devices
Intel(R) Concentrateur racine Intel(R) USB 3.0Up To Date and Functioning
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GT 555MUp To Date and Functioning
Network Cards
Intel(R) Ethernet Connection I217-VUp To Date and Functioning
Keyboards
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
VIA VIA Bus Master IDE Controller - 0571Up To Date and Functioning
Others
Texas Instruments Texas Instruments PCIxx12 Integrated FlashMedia ControllerCorrupted By Gigabyte Socket Am2 Nvidia Nforce 550
Nokia Nokia 5230 USB LCIFUp To Date and Functioning
Microsoft HID-compliant apparaatUp To Date and Functioning
Point Grey Research OHCI-konformer Texas Instruments 1394-HostcontrollerCorrupted By Gigabyte Socket Am2 Nvidia Nforce 550
Cameras, Webcams And Scanners
USB2.0 PC CAMERA Periferica video USBUp To Date and Functioning
Video Cards
VIA/S3G VIA/S3G UniChrome Pro IGPCorrupted By Gigabyte Socket Am2 Nvidia Nforce 550
Input Devices
KME Periferica USB Human InterfaceUp To Date and Functioning
Port Devices
Mobile Connector Device Application Interface (COM12)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Corrupted By Gigabyte Socket Am2 Nvidia Nforce 550
Mobile Phones And Portable Devices
Acer NOKIAOutdated

Scan performed on 1/21/2017, Computer: HP PS303AA-ABH T870.nl

Outdated or Corrupted drivers:8/17

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
AMD High Definition Audio-styrenhetUp To Date and Functioning
Mice And Touchpads
Logicool Logitech HID-compliant Unifying MouseCorrupted By Gigabyte Socket Am2 Nvidia Nforce 550
(Standard mouse types) HID-compliant mouseUp To Date and Functioning
Fujitsu Component touchpad/touchscreenCorrupted By Gigabyte Socket Am2 Nvidia Nforce 550
Usb Devices
X10 Wireless X10 USB Wireless Transceiver (ACPI-compliant)Outdated
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GT 540MOutdated
Network Cards
Microsoft SiS191-Ethernet-controllerUp To Date and Functioning
Keyboards
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) 5 Series/3400 Series SATA AHCI ControllerCorrupted By Gigabyte Socket Am2 Nvidia Nforce 550
Others
ACEECA Palm HandheldUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 0Corrupted By Gigabyte Socket Am2 Nvidia Nforce 550
Cameras, Webcams And Scanners
Microsoft USB Video DeviceUp To Date and Functioning
Video Cards
ATI RADEON X600 Series Secondary (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Logitech USB Human Interface DeviceUp To Date and Functioning
Port Devices
Sony Ericsson Sony Ericsson 750 USB WMC OBEX Interface (COM6)Outdated
Monitors
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Gigabyte Socket Am2 Nvidia Nforce 550 D4241.181/29/201512/27/2016ksufy-d4241.18.exe50kbToshiba SATELLITE A300-27Z, HP HP Pavilion ze2000, Biostar Hi-Fi B85S3, IBM IBM System x3200 M2 -[4367I6A, HP HP Pavilion g6-1b34ca, Toshiba Dynabook MX/33KRD, NEC PC-LL700ED, Sony VGN-CR260F, Gateway Gateway M460, IBM 1872W5A, Sony VPCL229FJ, HP HP EliteBook 2730p, Packard Bell IMEDIA MC 8830, Sony VGN-TT1, NEC PC-MJ30AAZ76, HP GQ498AAR-ABA m9047c, MCJ P67A-SD40, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 602.1741/15/201512/27/2016gigabyte_socket_am2_nvidia_nforce_550-602.174.exe117kbIBM 8187SYU, Sony VGN-NS52JB_P, LG R200-D.CPF1A9, Sony VGN-UX1XN, Acer TravelMate P455, WIPRO WIV37455-0252, Toshiba SATELLITE C850-A817, Sony VPCM126AA, HP EG211AA-ABG m7288a, Seneca Pro38611, NEC PC-MY26LEZ78, Sony SVT131190S, Acer Extensa 5010, HP Compaq Mozart CQ50-112eo, Sony VGN-NS11SR_S, Sony VGN-A215M, Fujitsu STYLISTIC Q572, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 832449/15/201412/27/2016gigabyte_socket_am2_nvidia_nforce_550-83244.exe44kbAnabelleB Argyle M261V, HP P6-2463eo, HP PX635AA-ABU t3040.uk, Sony SVE15127CDS, Lenovo 6458Y6X, NEC PC-VY16GWZR4, NEC PC-VJ24LLNVHT8B, Fujitsu FMVS54KRC, NEC PC-VY16FVHEL, HP EP245AA-ABU m7385.uk, ECS 332, Gateway 6834MX, HP HP ProBook 4421s, Sony PCG-FR295MP, HP FJ422AA-UUW a6551.sc, HP Hp workstation xw6000, Partner D525, HP P1017A-ABE 7945, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 Q1.170612/7/201412/28/2016gigabyte_socket_am2_nvidia_nforce_550-q1.1706.exe169kbSony VGN-SZ7AWN_C, HP HP Compaq 8710w, Lenovo 2752W16, Intel DQ965GF, Compaq DD377A-ABX 6680 FI110, Sony VPCJ126FJ, IBM IBM System X3100 M4 -[2582K9G, Sony SVE14115FBB, HP LX909ES#ABZ, Gateway GT5652j, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 M4092.1812/25/201412/28/2016gigabyte_socket_am2_nvidia_nforce_550-m4092.18.exe131kbACTION MONTANA W7HP, HP RZ412AA-ABZ a6020.it, IBM 1845BJ1, HP WC694AA-UUG HPE-110be, VIA 2021, Sony VGN-SZ6RXN_C, Compaq Evo N610c 470054-655, Gateway NV44, Sony VGN-C140FP, Fujitsu FMVWJS2B77, Lenovo 6463Y3W, Exper DIAMONDW-539, Compaq GC662AA-ABA SR5113WM, HP PU002AV-ABA A810Y, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 S1.1261.141/30/201512/28/2016gigabyte_socket_am2_nvidia_nforce_550-s1.1261.14.exe131kbPackard Bell IMEDIA 9206, Samsung 200B4Z/S01TH, Sony VGN-TZ3RMN_N, Gateway GZ7108TV, HP HP ProBook 4710s, NEC PC-VY20MAZ78, Toshiba Satellite 1415, Samsung 305E4A/305E5A/305E7A, Sony VPCCB46EC, Dialogue Flybook VM, Fujitsu FMVNFB60K, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 7271.122/26/201512/30/2016gigabyte_socket_am2_nvidia_nforce_550-7271.12.exe78kbLenovo 7659YAN, Sony VGN-FJ22B_R, HP EP086AA-ABS m7370.se, IBM 8212MNA, Toshiba SATELLITE L870-16L, Sony VGNFW590FSB, Toshiba Dynabook REGZA PC D712/T3FM, Gateway MX8734, HP EJ218AA-B14 w5240.be, IBM 8315B1U, Fujitsu PRIMERGY TX150, RIOWORKS HDAMB, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 S382211/24/201412/29/2016gigabyte_socket_am2_nvidia_nforce_550-s3822.exe58kbHP HP Pavilion dv5, Toshiba Dynabook Satellite T772/W5TG, HP RA933AA-ABZ m7595.it, Gateway W4605, HP H8-1041, Sony VGN-UX50, NEC PC-VW978WG01, Compaq EC537AA-ABZ SR1549IT IT530, HP P7-1012, IBM System x3300 M4 -[7382E3G, NEC PC-MY21AESED983, Sony PCV-HS80B, Sony VPCF235FA, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 20931.112/31/201412/28/2016deinyajl-20931.1.exe68kbSony SVE1511AGJB, HP HPE-350es, NEC PC-MY30AEZ5D6T6, IBM 2668G7U, Sony VGN-SZ57SN_C, IBM 81412EG, IBM ThinkCentre A50p, EDsys EPROI5120W7P, Gateway GT5228J, LG R200-D.CPF1A9, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 G31.141.11.11/25/201512/27/2016gigabyte_socket_am2_nvidia_nforce_550-g31.141.11.1.exe115kbHP H8-1525eg, LG B75PS.AS5MB1D, Lenovo 2429B56, HP HP PAVILION DV9000, MSI MS-6163, Packard Bell IMEDIA D9351 AIO, HP NC699AA-ABJ a6740jp, Acer Aspire M5800, Sony VGNBZ579N03, Fujitsu FMVDC2A041, Dell PowerEdge SC1420, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 2301.1210/22/201412/30/2016gigabyte_socket_am2_nvidia_nforce_550-2301.12.exe130kbAcer Extensa 5635G, IBM 815772G, Sony VGN-SZ79GN_C, HP Pavilion ze8500, IBM System x3650 M4: -[7915AC1, LG XNOTE, Toshiba SATELLITE C870-1HG, Sony VGN-SZ15LP_B, NEC VERSAE6301 RNF61113695, HP P6-2155a, HP AY690AA-ABM 600-1120la, CompUSA PC Work Series, HP HP ProBook 4730s, NEC PC-MY26XFREJ, HP RR496AA-ABU s7710.uk, Compaq KY718AA-UUB CQ3058HK, Intel DZ77SL, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 H833242/23/201512/30/2016gigabyte_socket_am2_nvidia_nforce_550-h83324.exe87kbNEC PC-MY26LEZ78, Sony SVT131190S, Acer Extensa 5010, HP Compaq Mozart CQ50-112eo, Sony VGN-NS11SR_S, Sony VGN-A215M, Fujitsu STYLISTIC Q572, Panasonic CF-W7DWM07JM, Lenovo 10245BG, NEC PC-LL708WJ01B, Sony VGN-NW20EF_W, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 428928/27/201412/27/2016audh-42892.exe35kbSony VGNFW490JFT, Lenovo ThinkPad T430, Sony VGN-Z17GN_B, Toshiba Dynabook R822/WT9GS, ASUS P5GD2-TVM, Fujitsu D2364-A3, NEC PC-LL750HG3E, NEC POWERMATE RD3911294AD, HP RK570AAR-ABA m7760, Sony SVT21219DJB, NEC PC-LL850SG, Toshiba SATELLITE PRO C50-A-1HZ, Viglen GENIE D850EMV2, Fujitsu FMVNA8HEC, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 227882/24/201512/28/2016gigabyte_socket_am2_nvidia_nforce_550-22788.exe179kbIBM IBM System x3500 M4 Server -[7383AC1, ASUS P5QPL-VM, HP HP ProBook 6460b, Sony VGN-FW53GF_W, Lenovo ThinkPad L430, Panasonic CF-30CTQCBBM, Lenovo IdeaPad S10-3s, Fujitsu FMV5NUBKH8, Toshiba SATELLITE C670-13Q, HP PS294AA-ABZ t840.it, HP PAV NB DV9575EO GALAXY 1 0, Dell XPS A2020, HP P6520ch-m, HP 700-014eg, Gigabyte EP41-US3L, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 L340403/9/201512/29/2016gigabyte_socket_am2_nvidia_nforce_550-l34040.exe81kbHP 600-1210ch, Acer TravelMate 8331, Sony VGN-AR390E, ASUS U24E, LG R510-S.AP87K, Packard Bell IPower X9110, Sony VPCF13NFX, IBM System x3200 M3 -[7328EBG, HP H9-1390ef, Gateway FX4710-UB802A, HP Presario R3200, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 6336410/18/201412/29/2016gigabyte_socket_am2_nvidia_nforce_550-63364.exe178kbSony VGN-CS26G_P, HP GM435AA-UUW m8180.sc-a, HP KT362AA-ABU m9258.uk-a, Sony VPCF11E4E, Gericom Phantom, Compal DL7x, Packard Bell Imedia S3270, Sony SVE14A25CDB, NEC MS-7168, Panasonic CF-T5MWJTFBF, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 327781/3/201512/27/2016klans-32778.exe214kbCompaq EP103AA-ABU SR1709UK GB610, Sony VGN-AW220J, Compaq DC477A-ABA S3100NX NA111, CASPER CASPER NEO, HP HP Compaq dc7100 USDT, BenQ Joybook S42, Panasonic CF-74GCDDDBM, HP PL499AA-UUZ t760.ch, IBM 8307L9U, Lenovo 7484WWY, Sony VGN-NS160D, HP D7223D-ABA A530E, Akerstroms Tx700, Lenovo 3000 J115 Desktop, Lenovo 23242F3, Medion P7610, Fujitsu FMVNFB70BZ, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 7262.1811/20/201412/29/2016gigabyte_socket_am2_nvidia_nforce_550-7262.18.exe45kbHP KT435AA-AB3 IQ508d, Compaq Presario 734RSH US 470038-608, Compaq RK531AA-ABG SR1985AN AP680, IBM 23795VU, HP RJ788AA-ABA a1613w, HP D7222T-ABA A350E, HP 810-070ez, Supermicro X9DR3-F, MSI SO-7597, Panasonic CF-30CTQAFBE, HCL Infosystems IGL 1701CT, Sony VGN-FE90PS, Sony VGN-CS62JB_R, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 636403/6/201512/27/2016gigabyte_socket_am2_nvidia_nforce_550-63640.exe94kbHP PS139AA-ABX a710.fi, Fujitsu N6220, ASUS BM2230, Toshiba TE5, HP 110-010xt, BYTSPD ByteSpeed LLC, NEC VERSAL2101 RNB31065295, Dell Vostro 3555, NEC PC-VT1000J6FD, Lenovo ThinkCentre M70e, NEC PC-VL580CD1K, Sony VPCW210AB, Lenovo ThinkPad R60, Acer AM1620/VeritonM262, HP GX609AAR-ABA m9160f, Lenovo 7484WWY, Lenovo 3000 S200 Desktop, Lenovo ThinkCentre M58p, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 L62991.110/16/201412/27/2016gigabyte_socket_am2_nvidia_nforce_550-l62991.1.exe43kbHP EG211AA-ABG m7288a, Sony VGN-SZ55_B, Compaq VT606AA-AKL CQ3275L, Sony SVL2412Z1EB, HP ED716AA-ABF w5149, Fujitsu FMVNA1CC, Fujitsu FMVNB16C, Fujitsu FMVNB5Y3, RM Plc RM DESKTOP 201, HP 20-a218d, HP S5680t, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 71.14322/23/201512/30/2016gzrshm-71.1432.exe47kbLG R500-U.CPCIT, IBM IBM System X3100 M4 -[2582B2A, HP EC588AA-ABU m7151.uk, HP Pavilion dv9500 PC Notebook, Compaq Presario 734RSH US 470038-608, HP HP Pavilion zt3000, IBM 8187QG7, IBM NetVista personal computer, LG LW75-P333, HP HPE-280jp, Fujitsu FMVNFB70BZ, HP PN089AA-ABF m1180.f, LG R490-K.ARA2BA3, IBM 2373ZTS, Lenovo 1S16800336100W2, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 3091.12.12/22/201512/30/2016-3091.12.1.exe209kbECS 332, Gateway 6834MX, HP HP ProBook 4421s, Sony PCG-FR295MP, HP FJ422AA-UUW a6551.sc, HP Hp workstation xw6000, Partner D525, HP P1017A-ABE 7945, Dedicated OEM-A4501-00, Panasonic CF-W2EC1AXS, NEC VERSAL2101 RND51047895, Gateway MX6422, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 20401.111/24/201412/27/2016gigabyte_socket_am2_nvidia_nforce_550-20401.1.exe186kbPanasonic CF-18KHH59B8, NEC PC-GV267VZDL, Compaq DT176A-ABE S5320ES ES340, Sony VGNZ890G, Sony PCG-GRT270, Fujitsu FMVNB14BR, Fujitsu FMVNF40UBJ, ASUS N81De, Sony VGN-FW56E, IBM 818944U, Fujitsu FMVA56JWKS, Sony VPCF13BFX, PASCAL PT880PRO-PS, Toshiba Satellite C660-196, HP WC702AA-UUG HPE-130be, HP PN089AA-ABF m1180.f, FIC ATM-Q45G, and more.
Gigabyte Socket Am2 Nvidia Nforce 550 1.11.10991/27/201512/27/2016gigabyte_socket_am2_nvidia_nforce_550-1.11.1099.exe50kbINVESTRONICA P60, IBM 2669W58, IBM 2889CG6, Fujitsu FMVLX70SDG, Fujitsu FMVNFD75RG, Dell Vostro 1550, Toshiba SATELLITE C850-12M, IBM 817231G, WIPRO WIV37555-1436, Lenovo 7665VEH, HP P7-1010esm, Toshiba SATELLITE C855-23Z, HP PX569AA-ABY w5080.dk, HP P7-1106, and more.


There is no particular operating system known to have specific problems with Gigabyte Socket Am2 Nvidia Nforce 550
Laptop Gigabyte Socket Am2 Nvidia Nforce 550Tablet Gigabyte Socket Am2 Nvidia Nforce 550Download Gigabyte Socket Am2 Nvidia Nforce 550Upgrade Gigabyte Socket Am2 Nvidia Nforce 550Update Gigabyte Socket Am2 Nvidia Nforce 5502017 Gigabyte Socket Am2 Nvidia Nforce 550Free Gigabyte Socket Am2 Nvidia Nforce 550Data Gigabyte Socket Am2 Nvidia Nforce 550Info Gigabyte Socket Am2 Nvidia Nforce 550Help Gigabyte Socket Am2 Nvidia Nforce 550Guide Gigabyte Socket Am2 Nvidia Nforce 550Comments Gigabyte Socket Am2 Nvidia Nforce 550Windows 10 Gigabyte Socket Am2 Nvidia Nforce 550Vista Gigabyte Socket Am2 Nvidia Nforce 550Windows 7 Gigabyte Socket Am2 Nvidia Nforce 550Install Gigabyte Socket Am2 Nvidia Nforce 550