Referat ANALIZA COMPARATIVA A CALITATII
calendar_month 08 Feb 2008, 00:00
Chipset- NVIDIA nForce2 Ultra 400 chipset with MCP-T- Integrated 128-bit memory controller- Supports Advanced Configuration and Power Management Interface (ACPI)- Accelerated Graphics Port connector supports AGP 8X/4X (0.8V/1.5V)
Memory- Three 184-pin DIMM sockets- Supports 3 DIMM Un-buffered DDR 266/333- Supports 2 DIMM Un-buffered DDR 400
ABIT Engineered- ABIT Guru Technology- ABIT SoftMenu Technology- ABIT FanEQ Technology- ABIT MaxFID Technology- ABIT CPU ThermalGuard Technology- ABIT FlashMenu
SATA 150 RAID- On board SATA PCI Controller- Support 2 channels SATA 150 RAID 0/1
Audio- 6-Channel AC 97 CODEC on board- Professional digital audio interface supports optical S/P DIF In/Out- NVIDIA SoundStormTM Technology with real-time Dolby Digital 5.1 encoder
LAN- On board Realtek 10/100 LAN
IEEE 1394- 3 ports IEEE1394 Supports 400 Mb/s data transfer rate
Internal I/O Connectors- 1 AGP 8X/4X slot, 5 PCI slots- Floppy Port supports up to 2.88 MB- 2 x Ultra DMA 33/66/100/133 Connectors- 2 x SATA 150 Connectors- 1 x USB headers, 1 x IEEE 1394a header, 2 x CD-IN
Back Panel I/O- 1 x PS/2 Keyboard, 1 x PS/2 mouse- 1 x Serial Port connectors, 1 x Parallel Port connector- 1 x S/P DIF Input, 1 x S/P DIF Output- Audio connectors (Front Speaker, Line-in, Mic-in, Center/Sub, Surround Speaker)- 2 x USB, 1 x IEEE1394 Connector- 2 x USB, 1 x RJ-45 LAN Connector
Miscellaneous- 245 x 305mm ATX form factorMSI K7N2 Delta-ILSRCPU - Supports Socket A for AMD Athlon/Athlon XP/Duron/Sempron processors @FSB 266/333/400MHz - Supports up to 3200+ processor or higher Chipset - nVIDIA nForce2 400 Ultra Chipset- Supports DDR200/266/333/400- AGP 8X and PCI Advanced high performance memory controller- nVIDIA nForce2 RAID MCP Chipset - Integrated Ethernet MAC - Integrated Hardware Sound Blaster/Direct Sound AC97 audio - Ultra DMA 66/100/133 master mode PCI EIDE controller - Supports USB 2.0 - Integrated SATA InterfaceMain Memory - Supports six memory banks using three 184-pin DDR DIMMs- Support Dual channel PC3200/2700/2100/1600 DDR SDRAMs- Supports both 64-bit and 128-bit DDR SDRAM- Maximum memory size of 3GB - Supports 2.5v DDR SDRAM DIMMSlots - One AGP (Accelerated Graphics Port) 1.5V 4X/8X slot- Five 32-bit PCI bus slots (support 3.3v/5v PCI bus interface)On-Board IDE - Two IDE controller on the nVIDIA nForce2 RAID MCP chipset provides IDE HDD/CDROM with PIO, Bus Master and Ultra DMA133/100/66 operation modes- Can connect up to four IDE devicesSATA Interface - Integrated SATA Phy, supporting up to 2 ports- One SATA controller, supporting two drives in master mode NV RAID (Software) - Supports 2 serial ATA plus 1 ATA 133- RAID 0, or 1, 0+1, JBOD is supported- Booting from RAID- Cross controller RAID support- Rebuilding on the Fly- Spare Disk Allocation- Supports Windows 2000 and later versions Audio - Chip integrated (5.1 channel H/W audio) - Direct Sound AC97 audio - 6 channel analog output - Digital SPDIF out signal compatible W/S-Bracket Network - On-Board 10/100 Ethernet - A 802.3 NVIDIA MAC for 100 BASE-T/10 BASE-T Fast Ethernet/Ethernet - MII for Fast Ethernet/Ethernet USB Interface - 8 USB ports- Controlled by RAID MCP southbridge- 4 ports in the rear I/O, 4 ports via external bracket On-Board Peripherals On-Board Peripherals include: - 1 floppy port that supports one FDD with 360KB, 720KB, 1.44MB and 2.88MB - 1 serial port - 1 parallel port supports SPP/EPP/ECP mode - 3 audio ports in vertical - 8 USB ports (Rear x 4 / Front x 4) - 1 RJ-45 jack - 1 D-Bracket2 pinheader BIOS - The mainboard BIOS provides "Plug & Play" BIOS which detects the peripheral devices and expansion cards of the board automatically.- The mainboard provides a Desktop Management Interface (DMI) function which records your mainboard specifications.Albatron KX18D Pro IIFeatures:AMD Athlon/AthlonXP/ AthlonXP Barton/ DuronProcessor Socket 462 with FSB 200/266/333/400+(by overclocking)MHz3 DDR400/DDR333/266/200 Memory SocketsAGP 8X , 6 channel AC 97 Audio2 ATA133 Channels, up to 4 ATA 133 IDE DevicesnForce2 MCP-T 10/100 Ethernet LAN2 Serial ATA150 Channels, Serial ATA RAID 0,1 (Software)2 IEEE1394a Ports6 USB 2.0/1.1 Ports (4 ports by optional cable)BIOS Mirror ? Voice Genie? Chipset with Hyper-Transport TechnologyBundle SPDIF Card ( optional )ProcessorAMD Athlon/AthlonXP/ AthlonXP Barton/ DuronProcessor FSB200/266/333/400+(by overclocking)MHzChipsetNorth Bridge: NVIDIA nForce2 SPP (Ultra 400)South Bridge: NVIDIA nForce2 MCP-TLAN Chip : LAN PHY ICS1893AF IEEE1394 Chip : TI IEEE1394A TSB41AB2PAP PAP-64Audio Codec: Realtek ALC650 Serial ATA Chip :Silicon Image Sil3112AI / O Chip : Winbond W83627HFMemory3 *DDR Sockets:DDR400/DDR333/266/DDR200 NON-ECC DDR SDRAM up to 3GB ( Single Channel) , up to 2GB ( Dual Channel )Expansion Slots1 x AGP 3.0 8X/4X slot (1.5V & 0.8 V Only)6 x PCI slots (PCI 2.2 compliant)IDE Connectors2 ATA133 channels, up to 4 ATA 133 IDE DevicesOnboard I/O Connectors1 x Floppy Connector2 x USB 2.0/1.1 header (4 ports USB cable optional)2 x IEEE1394 header (2 ports IEEE1394 cable optional)1 x CD_IN header1 x COM Port header1 x S/PDIF in/out header (S/PDIF in/out cable optional) 1 x CPU fan header with fan rotation detection function 1 x System fan headers with fan rotation detection function 1 x10 pin system panel header (Intel spec) 1 x 3 pin Power LED header1 x 4 pin Speaker header1 x Front audio header (Intel spec)1 x Case Open detection header1 x Wake on LANI/O via Back PanelPS/2 keyboard/mouse, 2 x USB(2.0/1.1), RJ45 ,1 x Com(serial), 1 x Parallel, 1x Game/Line-in/Line-out/MICPower20-pin ATX power connectorBIOS Feature4 Mb Flash EEPROMAward BIOS with ACPI, DMI2.0, PnP, WfM2.0, Green Suspend to RAM (S3), Suspend to Disk (S4) Wake on keyboard / Mouse, Wake on LAN/RTC TimerHardware Monitoring2 FAN sensors, CPU/System voltages and temperature monitoringSpecial FeatureZero Jumper DesignBIOS Mirror[TM] Protect BIOS by creating an original mirror image of itselfVoice Genie [TM] Voice Troubleshooting system ( four-Language )Adjustable CPU frequency by 1 MHz increment, Adjustable Vcore, VAGP, VMemory for overclockingWatch Dog Timer (auto-reset system when it can not handle overclock configurations)Special design for CPU Over Temperature Protection.( OTP )CertificationsFCC,CE, BSMIForm FactorATX (244*305 mm)Caracteristicile de calitate selectate pentru realizarea analizei comparative sunt reprezentate de urmatorul tabel : Prezentarea produselor caracteristici tehnice:Nume produsLeadtek K7NCR18D Pro IIGygabyte GA-7N400 Pro2ABIT AN7 GuruChipsetnVidia nForce2 Ultra400/MCP-TnVidia nForce2 Ultra400/MCPnVidia nForce2 Ultra400/MCP-TBank-uri memorieDDRAM /3DDRAM /4DDRAM /3Producator BIOSAWARDAWARDAWARDAGP/PCI/CNR1/4/-1/5/-1/5/-Interfata IDEATA133ATA133ATA133FirewireNUDADARAID IDENUGigaRAIDNURAID SATASIL3122ASIL3122ASIL3122ARAID SATA+PATANUNUNUSunet onboardCip/ALC650CoDec/ALC655Cip/ALC658LAN onboardnVidia/nForce2 MCPRealtek/RTL8110SRealtek/RTL8201BLUpdate BIOS prin internetNUDADANume produsMSI K7N2 Delta-ILSRAlbatron KX18D Pro IIGigabyte GA-7NNXPChipsetnVidia nForce2 Ultra400/MCPnVidia nForce2 Ultra400/MCP-TnVidia nForce2 Ultra400/MCP-TBank-uri memorieDDRAM /3DDRAM /3DDRAM /3Producator BIOSAWARDAWARDAWARDAGP/PCI/CNR1/5/-1/6/-1/5/-Interfata IDEATA133ATA133ATA133FirewireDADADARAID IDENUNUNURAID SATANUSIL3122ASIL3122ARAID SATA+PATAPromise PDC20376NUNUSunet onboardCoDec/ALC650Cip/ALC650Cip/ALC650LAN onboardnVidia/nForce2 MCPnVidia/nForce2 MCPRealtek/RTL8201BLUpdate BIOS prin internetDADADAII Analiza comparativa a placilor de baza prin metoda clasicaPentru ierarhizarea produselor, sunt utilizate datele din tabelul de mai sus, ordonarea facandu-se in felul urmator: Clasificare dupa ergonomie/constructieDupa clasificarea ergonomie/constructie, primele 3 locuri sunt:1.Leadtek K7NCR18D Pro II2.ABIT AN7 Guru3.Gygabyte GA-7N400 Pro2Clasificare dupa performanta Dupa clasificarea performanta, primele 3 locuri sunt:1.Leadtek K7NCR18D Pro II2.MSI K7N2 Delta-ILSR3.ABIT AN7 GuruClasificare dupa documentatieNu exista un clasament la aceasta categorie Clasificare dupa masaDupa masa, primele 3 locuri sunt:1.Gigabyte GA-7NNXP2.Gygabyte GA-7N400 Pro23.Leadtek K7NCR18D Pro II Clasificare dupa autonomieDupa clasificarea autonomie, primele 3 locuri sunt:1.Leadtek K7NCR18D Pro II2.Gygabyte GA-7N400 Pro23.ABIT AN7 GuruConcluzia de baza ce se desprinde de aici este ca produsul Leadtek K7NCR18D Pro II se afla pe primul loc in ceea ce privesc caracteristicile direct proportionale cu calitatea. (este de 2 ori pe primul loc).Concluzia de baza ce se desprinde de aici este ca produsul Gigabyte GA-7NNXP se afla pe primul loc in ceea ce privesc caracteristicile invers proportionale cu calitatea. (are cea mai mare masa).III Analiza comparativa a calitatii produselor prin metoda MatriceiStabilirea produsului de referinta: Nume produsNota performantaNota ergonomie/constructieNota documentatieNota dotareNota generalaClasament temporarLeadtek K7NCR18D Pro II86.031007069.1784.32Gigabyte GA-7N400 Pro285.787.57075.7484.041ABIT AN7 Guru85.71907068.6983.723MSI K7N2 Delta-ILSR85.95857068.8182.984Albatron KX18D Pro II85.377.57072.5282.455Gigabyte GA-7NNXP85.0367.57078.5582.366Produsul de referinta este Gigabyte GA-7N400 Pro2.Se calculeaza ponderea in functie de produsul de referinta si notele din tabelul de mai sus:Nume produsNota1Nota2Nota3Nota4Nota5TotalPondereGygabyte GA-7N400 Pro28.58.577.58.5400.17Leadtek K7NCR18D Pro II8.510778.5410.17ABIT AN7 Guru8.5977839.50.18MSI K7N2 Delta-ILSR8.58.5778390.16Albatron KX18D Pro II8.58.577838.50.16Gigabyte GA-7NNXP8.5778838.50.16236.51Tabel Centralizator:ProdusCaracteristici de CalitatePretulDirect ProportionaleInvers ProportionaleMemorieRAID IDERAID SATAFirewireMarime/ergonomieMasaGygabyte GA-7N400 Pro299998.78.5123Leadtek K7NCR18D Pro II8696108.6130ABIT AN7 Guru869798.5120MSI K7N2 Delta-ILSR861098.58.5129Albatron KX18D Pro II76987.78.5105Gigabyte GA-7NNXP75896.78.5178Ponderi0.170.170.180.160.160.16 (P)(P')?p + ?p = 1 P1+P2+P3+P4+P5+P6=0.17+0.17+0.18+0.16+0.16+0.16 = 1?q = (?xr/xv - p + ?xv/xr - p) - p r/ p vCalculul indicatorului sintetic al calitatii.Se face dupa urmatoarea formula:?cq=?t*p1+?e*p2+?ps*p3+?ee*?4+?f*p 5unde:?cq = indicatorul complex al calitatii?t = indicatorul caracteristicilor tehnice (performanta)?e = indicatorul caracteristicilor economice (documentatie)?ps = indicatorul caracteristicilor psihosenzoriale (masa)?ee = indicatorul caracteristicilor ergonomice-ecologice (ergonomie/constructie)?f = indicatorul caracteristicilor functionale (autonomie)p1. P5 = ponderile relative ale indicatorilor, suma lor fiind = 1.Facem prescurtari ale fiecarui produs in parte dupa cum urmeaza:Leadtek K7NCR18D Pro II - LABIT AN7 Guru - AMSI K7N2 Delta-ILSR - MAlbatron KX18D Pro II - ALGigabyte GA-7NNXP - GNGygabyte GA-7N400 Pro2 - GP ?cq L = 86.03*0.17+70*0.16+69.47*0.18+100*0.17+84.3*0.16 = 68.82?cq A = 85.74*0.17+70*0.16+68.69*0.18+90*0.17+83.72*0.16 = 66.83?cq M = 85.95*0.17+70*0.16+68.84*0.18+85*0.17+82.98*0.17 = 66.76?cq AL= 85.3*0.17+70*0.16+72.52*0.18+77.5*0.17+82.45*0.17 = 65.95?cq GN = 85.03*0.17+70*0.16+78.55*0.18+67.5*0.17+82.36*0.17 = 65.27?cq GP = 85.7*0.17+70*0.16+75.74*0.18+87.5*0.17+84.04*0.17 = 68.56Clasamentul placilor de baza dupa indicatorul sintetic al calitatii:1.Leadtek K7NCR18D Pro II2.Gygabyte GA-7N400 Pro23.ABIT AN7 Guru4.MSI K7N2 Delta-ILSR5.Albatron KX18D Pro II6.Gigabyte GA-7NNXPCalculul indicatorului sintetic al raportului calitate/pret.unde:pa si pr = pretul (sau costul) produsului analizat, respectiv de referintaXai si Xri = caracteristicile de calitate ale produsului analizat, respectiv de referinta, cand marimea lor creste direct proportional cu calitatea produsuluiXai si Xri = caracteristicile de calitate ale produsului analizat, respectiv de referinta, cand marimea lor creste invers proportional cu calitatea produsuluipi si pj = ponderile caracteristicilor de calitate?cqp L = 130/123 * (100/87.5*0.17+86.03/85.7*0.16+70/70*0.18+69.47/75.74*0.16+84.3/84.04*0.17) = 0.9?cqp A = 120/123* (90/87.5*0.17+85.74/85.7*0.16+70/70*0.18+68.69/75.74*0.16+83.72/84.04*0.17) = 0.810?cqp M = 129/123 *(85/87.5*0.17+85.95/85.7*0.16+70/70*0.18+68.84/75.74*0.16+82.98/84.04*0.17) = 0.860?cqp AL = 105/123 *(77.5/87.5*0.17+85.3/85.7*0.16+70/70*0.18+72.52/75.74*0.16+82.45/84.04*0.17) = 0.691?cqp GN = 178/123 *(67.5/87.5*0.17+85.03/85.7*0.16+70/70*0.18+78.55/75.74*0.16+82.36/84.04*0.17) = 1.161?cqp GP = 123/123 *(87.5/87.5*0.17+85.7/85.7*0.16+70/70*0.18+75.74/75.74*0.16+84.04/84.04*0.17) = 0.840 Clasamentul placilor de baza dupa indicatorul sintetic al raportului calitate/pret:1.Gigabyte GA-7NNXP2.Leadtek K7NCR18D Pro II3.MSI K7N2 Delta-ILSR4.Gygabyte GA-7N400 Pro25.ABIT AN7 Guru6.Albatron KX18D Pro II IV Concluzii Pentru analiza placilor de baza, din diversitatea sortimentala existenta pe piata romaneasca, au fost selectate urmatoarele produse pentru analiza comparativa: Gigabyte GA-7NNXP, Leadtek K7NCR18D Pro II, MSI K7N2 Delta-ILSR, Gygabyte GA-7N400 Pro2, ABIT AN7 Guru si Albatron KX18D Pro II. Caracteristicile de calitate selectate pentru realizara analizei comparative au fost reprezentate de:-Caracteristici direct proportionale cu calitatea: ergonomie/constructie, performanta, dotare, autonomie-Caract i.p. cu calit.: masa Criteriul de selectie pentru aceasta analiza a fost tipul chipset-ului principal din alcatuirea placii de baza NorthBridge si anume nVidia nForce2 Ultra400. A fost utilizata atat metoda clasica prin care s-a obtinut o ordonare a produselor pt fiecare caracteristica de calitate, cat si metoda indicatorului sintetic al calitatii. Din analiza indicatorului sintetci al calitatii rezulta ca pe primul loc se afla Leadtek K7NCR18D PRO IINume produsClasament Leadtek K7NCR18D Pro II1Gigabyte GA-7N400 Pro22ABIT AN7 Guru3MSI K7N2 Delta-ILSR4Albatron KX18D Pro II5Gigabyte GA-7NNXP6 In urma analizei indicatorului sintetic al raportului calitate/pret s-a constatat ca produsul firmei Gigabyte GA-7NNXP Se situeaza pe I loc. Ierarhizarea este prezentata mai jos:Nume produsClasament Gigabyte GA-7NNXP1Leadtek K7NCR18D Pro II2MSI K7N2 Delta-ILSR3Gigabyte GA-7N400 Pro24ABIT AN7 Guru5Albatron KX18D Pro II6 Clasamentul placilor de baza dupa pret:1.Albatron KX18D Pro II2.ABIT AN7 Guru3.Gygabyte GA-7N400 Pro24.MSI K7N2 Delta-ILSR5.Leadtek K7NCR18D Pro II6.Gigabyte GA-7NNXP Clasamentul placilor de baza dupa calitate:1.Leadtek K7NCR18D Pro II2.MSI K7N2 Delta-ILSR3.ABIT AN7 Guru4.Gygabyte GA-7N400 Pro25.Albatron KX18D Pro II6.Gigabyte GA-7NNXP
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