ALTERA DDR2 SDRAM Abalawuli

Ulwazi Olubalulekileyo

I-Altera® DDR, i-DDR2, kunye ne-DDR3 SDRAM Controllers kunye ne-ALTMEMPHY IP zibonelela nge-interfaces elula kwi-industry-standard DDR, DDR2, kunye ne-DDR3 SDRAM. I-ALTMEMPHY megafunction lujongano phakathi komlawuli wememori kunye nezixhobo zememori, kwaye yenza imisebenzi yokufunda nokubhala kwimemori. I-DDR, DDR2, kunye ne-DDR3 SDRAM Controllers kunye ne-ALTMEMPHY IP isebenza ngokubambisana ne-Altera ALTMEMPHY megafunction.
I-DDR kunye ne-DDR2 SDRAM Controllers kunye ne-ALTMEMPHY IP kunye ne-ALTMEMPHY megafunction inikezela ngezinga elipheleleyo okanye i-half-rate ye-DDR kunye ne-DDR2 SDRAM i-interfaces.I-DDR3 SDRAM Controller kunye ne-ALTMEMPHY IP kunye ne-ALTMEMPHY i-megafunction yenkxaso ye-DDR3 SDRAM i-interfaces kwimodi ye-half-rate mode. I-DDR, i-DDR2, kunye ne-DDR3 SDRAM Controllers kunye ne-ALTMEMPHY IP inikezela nge-high-performance controller II (HPC II), ebonelela ngokusebenza okuphezulu kunye neempawu eziphambili. Umzobo 15-1 ubonisa umzobo wenqanaba lenkqubo kuquka ne-exampkwinqanaba eliphezulu file ukuba i-DDR, i-DDR2, okanye i-DDR3 SDRAM Controller ene-ALTMEMPHY IP ikwenzela wena.

Umfanekiso 15-1. Idayagram yeNqanaba leNkqubo

Qaphela kuMfanekiso 15–1:
(1) Xa ukhetha i-Instantiate DLL Ngaphandle, i-loop-locklock loop (i-DLL) ifakwe ngaphandle kwe-ALTMEMPHY megafunction.

Umphathi we-Plug-In ye-MegaWizard™ wenza i-exampkwinqanaba eliphezulu file, ebandakanya i-example umqhubi, kunye DDR, DDR2, okanye DDR3 SDRAM high-ukusebenza isilawuli isiko ukwahluka isiko. Umlawuli uqinisekisa umzekelo we-ALTMEMPHY megafunction ethi iphinde iqinisekise i-loop-locked loop (PLL) kunye ne-DLL. Unokuphinda uqinisekise i-DLL ngaphandle kwe-ALTMEMPHY megafunction ukwabelana nge-DLL phakathi kweemeko ezininzi ze-ALTMEMPHY megafunction. Awunako ukwabelana nge PLL phakathi kwemizekelo emininzi ye ALTMEMPHY megafunction, kodwa unokwabelana ngezinye iziphumo zewotshi ye PLL phakathi kwezi zihlandlo zininzi.

© 2012 Altera Corporation. Onke Amalungelo Agciniwe. I-ALTERA, i-ARRIA, i-CYCLONE, i-HARDCOPY, i-MAX, i-MEGACORE, i-NIOS, i-QUARTUS kunye ne-STRATIX amagama kunye neelogo ziimpawu zorhwebo ze-Altera Corporation kwaye zibhaliswe kwi-US Patent kunye ne-Ofisi ye-Trademark nakwamanye amazwe. Onke amanye amagama kunye neelogo ezichongiweyo njengeempawu zorhwebo okanye iimpawu zenkonzo ziyipropathi yabanini bazo njengoko kuchaziwe apha. www.altera.com/common/legal.html. I-Altera iqinisekisa ukusebenza kweemveliso zayo ze-semiconductor kwiinkcukacha zangoku ngokuhambelana newaranti esemgangathweni ye-Altera, kodwa inelungelo lokwenza utshintsho kuzo naziphi na iimveliso kunye neenkonzo nangaliphi na ixesha ngaphandle kwesaziso. I-Altera ayithathi xanduva okanye ityala elivela kwisicelo okanye ukusetyenziswa kwalo naluphi na ulwazi, imveliso, okanye inkonzo echazwe apha ngaphandle kokuba kuvunyelwene ngokubhaliweyo ngu-Altera. Abathengi beAltera bayacetyiswa ukuba bafumane inguqulelo yamva nje yeenkcukacha zesixhobo ngaphambi kokuba baxhomekeke kulo naluphi na ulwazi olupapashiweyo naphambi kokubeka iiodolo zeemveliso okanye iinkonzo.

Exampkwinqanaba eliphezulu file luyilo olusebenza ngokupheleleyo onokuthi ulingise, udibanise, kwaye ulusebenzise kwihardware. Example umqhubi yimodyuli yokuzivavanya ekhupha imiyalelo efundwayo kwaye ibhale kumlawuli kwaye ijonga idata efundwayo ukuvelisa ukupasa okanye ukungaphumeleli, kunye nokuvavanya imiqondiso epheleleyo.
I-ALTMEMPHY megafunction yenza i-datapath phakathi kwesixhobo sememori kunye nomlawuli wememori. I-megafunction ifumaneka njengemveliso ezimeleyo okanye ingasetyenziselwa ngokubambisana nomlawuli wememori ye-Altera ephezulu.
Xa usebenzisa i-ALTMEMPHY megafunction njengemveliso ezimeleyo, sebenzisa kunye nesiko okanye abalawuli beqela lesithathu.

Kuyilo olutsha, i-Altera incoma ukusebenzisa i-UniPHY-based based interface yememori yangaphandle, njenge-DDR2 kunye ne-DDR3 SDRAM abalawuli abane-UniPHY, i-QDR II kunye ne-QDR II + abalawuli be-SRAM abane-UniPHY, okanye umlawuli we-RLDRAM II kunye ne-UniPHY.

NONE

Itheyibhile 15-1 inikezela ngolwazi malunga noku kukhululwa koMlawuli we-DDR3 SDRAM nge-ALTMEMPHY IP.

Itheyibhile 15–1. NONE

Into	Inkcazo
Inguqulelo	11.1
Umhla wokukhupha	Novemba 2011
Iikhowudi zokuodola	IP-SDRAM/HPDDR (DDR SDRAM HPC) IP-SDRAM/HPDDR2 (DDR2 SDRAM HPC) IP-HPMCII (HPC II)
Izazisi zeMveliso	00BE (DDR SDRAM) 00BF (DDR2 SDRAM) 00C2 (DDR3 SDRAM) 00CO (ALTMEMPHY Megafunction)
Isazisi somthengisi	6AF7

I-Altera iqinisekisa ukuba inguqulelo yangoku ye-software ye-Quartus® II ihlanganisa inguqulelo yangaphambili yomsebenzi ngamnye we-MegaCore. I-MegaCore IP Library Release Notes kunye ne-Errata zibika nayiphi na imo ngaphandle kolu kuqinisekiswa. I-Altera ayikuqinisekisi ukudityaniswa kweenguqulelo zeMegaCore ezindala kunokhupho olunye. Ngolwazi malunga nemiba kwi-DDR, DDR2, okanye i-DDR3 SDRAM yokulawula ukusebenza okuphezulu kunye ne-ALTMEMPHY megafunction kwinguqulo ethile ye-Quartus II, bhekisa kwi-Quartus II Notes Release Notes.

Isixhobo seNkxaso yoSapho

Itheyibhile 15–2 ichaza amanqanaba enkxaso yesixhobo kwii-Altera IP cores.

Uluhlu 15–2. Amanqanaba eNkxaso yeSixhobo se-Altera IP

FPGA Isixhobo Iintsapho	HardCopy Device Iintsapho
Inkxaso yokuqala—Undoqo we-IP uqinisekisiwe kunye neemodeli zangaphambili zexesha zosapho lwesixhobo. Undoqo we-IP uhlangabezana nazo zonke iimfuno zokusebenza, kodwa kusenokwenzeka ukuba usenziwa uhlalutyo lwexesha losapho lwesixhobo. Ingasetyenziswa kuyilo lwemveliso ngononophelo.	HardCopy Companion—Undoqo we-IP uqinisekisiwe kunye neemodeli zangaphambili zexesha lesixhobo esihamba neHard Copy. Undoqo we-IP uhlangabezana nazo zonke iimfuno zokusebenza, kodwa kusenokwenzeka ukuba usenziwa uhlalutyo lwexesha losapho lwesixhobo seHardCopy. Ingasetyenziswa kuyilo lwemveliso ngononophelo.
Inkxaso yokugqibela—Undoqo we-IP uqinisekisiwe ngeemodeli zexesha lokugqibela zosapho lwesixhobo. I-IP engundoqo ihlangabezana nazo zonke iimfuno ezisebenzayo kunye nexesha lentsapho yesixhobo kwaye inokusetyenziswa kuyilo lwemveliso.	HardCopy Compilation-Undoqo we-IP uqinisekisiwe kunye neemodeli zokugqibela zexesha losapho lwesixhobo seHardCopy. I-IP engundoqo ihlangabezana nazo zonke iimfuno ezisebenzayo kunye nexesha lentsapho yesixhobo kwaye inokusetyenziswa kuyilo lwemveliso.

Itheyibhile ye-15-3 ibonisa inqanaba lenkxaso enikezelwa yi-DDR, DDR2, kunye ne-DDR3 SDRAM Controllers nge-ALTMEMPHY IP kwiintsapho ze-Altera device.

Uluhlu 15–3. Isixhobo seNkxaso yoSapho

Isixhobo Usapho	Umgaqo-nkqubo
	I-DDR kunye ne-DDR2	I-DDR3
Arria® GX	Okokugqibela	Akukho nkxaso
IArria II GX	Okokugqibela	Okokugqibela
I-Cyclone® III	Okokugqibela	Akukho nkxaso
I-Cyclone III LS	Okokugqibela	Akukho nkxaso
INkanyamba IV E	Okokugqibela	Akukho nkxaso
INkanyamba IV GX	Okokugqibela	Akukho nkxaso
HardCopy II	Jonga kwinto entsha kwi Altera IP iphepha le Altera webindawo.	Akukho nkxaso
I-Stratix® II	Okokugqibela	Akukho nkxaso
I-Stratix II GX	Okokugqibela	Akukho nkxaso
Ezinye izixhobo iintsapho	Akukho nkxaso	Akukho nkxaso

Iimbonakalo

ALTMEMPHY Megafunction

Itheyibhile 15–4 ishwankathela inkxaso yeempawu eziphambili ze-ALTMEMPHY megafunction.

Uluhlu 15–4. ALTMEMPHY Megafunction Feature Support

Uphawu	I-DDR kunye ne-DDR2	I-DDR3
Inkxaso ye-Altera PHY Interface (AFI) kuzo zonke izixhobo ezixhaswayo.	✓	✓
Ulungelelwaniso lokuqala oluzenzekelayo lususa izibalo ezintsonkothileyo zokufunda ixesha.	✓	✓
Umqulutage kunye nobushushu (VT) umkhondo oqinisekisa ukusebenza oluzinzileyo eliphezulu DDR, DDR2, kunye DDR3 SDRAM ujongano.	✓	✓
I-datapath ezimeleyo eyenza uxhulumaniso kumlawuli we-Altera okanye umlawuli wesithathu ozimeleyo kwiindlela ezibalulekileyo zexesha.	✓	✓
Ujongano olupheleleyo	✓	—
Ujongano lwesiqingatha senqanaba	✓	✓
Umhleli weparameter ekulula ukuyisebenzisa	✓	✓

Ukongeza, i-ALTMEMPHY megafunction ixhasa izinto ze-DDR3 SDRAM ngaphandle komgangatho:

• I-ALTMEMPHY megafunction ixhasa i-DDR3 SDRAM amacandelo ngaphandle komgangatho wezixhobo ze-Arria II GX usebenzisa i-T-topology yewotshi, idilesi, kunye nebhasi yomyalelo:
  • Ixhasa ukukhetha kwetshiphu ezininzi.
• I-DDR3 SDRAM PHY ngaphandle komgangatho we-fMAX yi-400 MHz ekukhethweni kwetshiphu enye.
• Akukho nkxaso ye-data-mask (DM) izikhonkwane ze × 4 DDR3 SDRAM DIMMs okanye amacandelo, ngoko khetha Hayi for Drive DM izikhonkwane ukusuka FPGA xa usebenzisa × 4 izixhobo.
• I-ALTMEMPHY megafunction ixhasa umyinge wesiqingatha se-DDR3 SDRAM ujongano kuphela.

UMlawuli oPhezulu wokuSebenza II

Itheyibhile 15–5 ishwankathela inkxaso yeempawu eziphambili zeDDR, DDR2, kunye neDDR3 SDRAM HPC II.

Uluhlu 15–5. Inkxaso yophawu (Icandelo loku-1 lesi-2)

Uphawu	I-DDR kunye ne-DDR2	I-DDR3
Umlawuli wesiqingatha senqanaba	✓	✓
Inkxaso ye-AFI ALTMEMPHY	✓	✓
Inkxaso ye-Avalon®Memory Mapped (Avalon-MM) ujongano lwasekhaya	✓	✓

Uluhlu 15–5. Inkxaso yophawu (Icandelo loku-2 lesi-2)

Uphawu	I-DDR kunye ne-DDR2	I-DDR3
Umyalelo oqwalaselweyo jonga phambili ulawulo lwebhanki ngokulandelelana kokufunda nokubhala	✓	✓
I-latency eyongezelelweyo	✓	✓
Inkxaso yobude bokuqhuma kwe-Avalon	✓	✓
Iadaptha eyakhelwe-ngaphakathi eguquguqukayo yokugqabhuka kwememori	✓	✓
Ulungelelwaniso lweedilesi zeNdawo-ukuya-kwiMekori	✓	✓
Ulungelelwaniso lwexesha elisebenzayo lobungakanani kunye nemowudi useto lwerejista, kunye nexesha lememori	✓	✓
Inxalenye yoluhlu lokuzihlaziya (PASR)	✓	✓
Inkxaso kushishino-standard DDR3 SDRAM izixhobo	✓	✓
Inkxaso yokuzikhethela yomyalelo wokuzihlaziya	✓	✓
Ukhetho lwenkxaso yomyalelo wolawulo-phantsi olawulwa ngumsebenzisi	✓	✓
Inkxaso yokuzikhethela yomyalelo wokutsho phantsi kwamandla okuzenzekelayo kunye nokuphuma kwexesha elicwangcisiweyo	✓	✓
Inkxaso ekhethwayo yokutshajwa kwangaphambili kwe-auto-precharge kunye ne-auto-precharge yokubhala imiyalelo	✓	✓
Inkxaso yokuzithandela yokuhlaziya isilawuli somsebenzisi	✓	✓
Ukhetho lolawulo oluninzi lokwabelana ngewotshi kwiSOPC Builder Flow	✓	✓
Ikhowudi yokulungiswa kwempazamo edibeneyo (ECC) umsebenzi we-72-bit	✓	✓
Umsebenzi we-ECC odibeneyo, i-16, i-24, kunye ne-40-bit	✓	✓
Inkxaso yokubhala kwegama-inxenye ngolungiso oluzenzekelayo oluzenzekelayo	✓	✓
SOPC Umakhi ulungile
Inkxaso yovavanyo lwe-OpenCore Plus	✓	✓
Iimodeli zokulinganisa ezisebenzayo ze-IP zokusetyenziswa kwi-VHDL exhaswa yi-Altera kunye ne-Verilog HDL simulator	✓	✓

Amanqaku kuTheyibhile 15–5:

1. I-HPC II ixhasa amaxabiso e-latency okongeziweyo amakhulu okanye alingana ne-tRCD-1, kwiyunithi yomjikelo wewotshi (tCK).
2. Olu phawu aluxhaswanga nge-DDR3 SDRAM enomgangatho.

Iimpawu ezingaxhaswanga

Itheyibhile 15–6 ishwankathela iifitsha ezingaxhaswanga zeAltera's ALTMEMPHY-based memory interfaces yangaphandle.

Uluhlu 15–6. Iimpawu ezingaxhaswanga

Umgaqo weMemori	Uphawu olungaxhaswanga
I-DDR kunye ne-DDR2 SDRAM	Ukulinganisa ixesha
	Ubude bokugqabhuka kwe-2
	Ukugqabhuka ngokuyinxenye kunye nokugqabhuka okungalungelelanisiweyo kwi-ECC kunye nemowudi engeyiyo ye-ECC xa izikhonkwane zeDM zivaliwe.
I-DDR3 SDRAM	Ukulinganisa ixesha
	Ukugqabhuka ngokuyinxenye kunye nokugqabhuka okungalungelelanisiweyo kwi-ECC kunye nemowudi engeyiyo ye-ECC xa izikhonkwane zeDM zivaliwe.
	I-Stratix III kunye ne-Stratix IV
	Inkxaso ye-DIMM
	Ujongano olupheleleyo

Ukuqinisekiswa kweMegaCore

I-Altera yenza i-random ebanzi, iimvavanyo eziqondisiweyo kunye novavanyo olusebenzayo usebenzisa iimodeli ze-Denali ezisemgangathweni ukuqinisekisa ukusebenza kwe-DDR, i-DDR2, kunye ne-DDR3 SDRAM Controllers nge-ALTMEMPHY IP.

Usetyenziso lweziBonelelo

Eli candelo libonelela ngolwazi oluqhelekileyo losetyenziso lwezixhobo kubalawuli beenkumbulo zangaphandle nge-ALTMEMPHY kwiintsapho zezixhobo ezixhaswayo. Olu lwazi lunikezelwe njengesikhokelo kuphela; kwidatha echanekileyo yokusetyenziswa komthombo, kufuneka uvelise i-IP yakho engundoqo kwaye ubhekisele kwiingxelo ezenziwe yi-software ye-Quartus II.
Itheyibhile ye-15-7 ibonisa idatha yokusetyenziswa kwemithombo ye-ALTMEMPHY megafunction, kunye ne-DDR3 yokulawula ukusebenza okuphezulu kwe-II yezixhobo ze-Arria II GX.

Uluhlu 15–7. Ukusetyenziswa koVimba kwizixhobo ze-Arria II GX (Icandelo 1 le-2)

Umgaqo-nkqubo	Inkumbulo Ububanzi (Amasuntswana)	Indibaniselwano ALUTS	Ingqiqo Iirejista	UMem Ii-ALUTs	M9K Iibhloko	M144K Iibhloko	Inkumbulo y (Amasuntswana)
Umlawuli
I-DDR3 (Umlinganiselo wesiqingatha)	8	1,883	1,505	10	2	0	4,352
	16	1,893	1,505	10	4	0	8,704
	64	1,946	1,521	18	15	0	34,560
	72	1,950	1,505	10	17	0	39,168

Uluhlu 15–7. Ukusetyenziswa koVimba kwizixhobo ze-Arria II GX (Icandelo 2 le-2)

Umgaqo-nkqubo	Inkumbulo Ububanzi (Amasuntswana)	Indibaniselwano ALUTS	Ingqiqo Iirejista	UMem Ii-ALUTs	M9K Iibhloko	M144K Iibhloko	Inkumbulo y (Amasuntswana)
Umlawuli+PHY
I-DDR3 (Umlinganiselo wesiqingatha)	8	3,389	2,760	12	4	0	4,672
	16	3,457	2,856	12	7	0	9,280
	64	3,793	3,696	20	24	0	36,672
	72	3,878	3,818	12	26	0	41,536

Itheyibhile ye-15-8 ibonisa idatha yokusetyenziswa kwemithombo ye-DDR2 yokulawula ukusebenza okuphezulu kunye nomlawuli kunye ne-PHY, kwi-half-rate kunye ne-full-rate rate yokulungiswa kwezixhobo ze-Arria II GX.

Uluhlu 15–8. DDR2 Ukusetyenziswa kweZibonelelo kwiArria II GX Devices

Umgaqo-nkqubo	Inkumbulo Ububanzi (Amasuntswana)	Indibaniselwano ALUTS	Ingqiqo Iirejista	UMem Ii-ALUTs	M9K Iibhloko	M144K Iibhloko	Inkumbulo (Amasuntswana)
Umlawuli
I-DDR2 (Umlinganiselo wesiqingatha)	8	1,971	1,547	10	2	0	4,352
	16	1,973	1,547	10	4	0	8,704
	64	2,028	1,563	18	15	0	34,560
	72	2,044	1,547	10	17	0	39,168
I-DDR2 (Ixabiso elipheleleyo)	8	2,007	1,565	10	2	0	2,176
	16	2,013	1,565	10	2	0	4,352
	64	2,022	1,565	10	8	0	17,408
	72	2,025	1,565	10	9	0	19,584
Umlawuli+PHY
I-DDR2 (Umlinganiselo wesiqingatha)	8	3,481	2,722	12	4	0	4,672
	16	3,545	2,862	12	7	0	9,280
	64	3,891	3,704	20	24	0	36,672
	72	3,984	3,827	12	26	0	41,536
I-DDR2 (Ixabiso elipheleleyo)	8	3,337	2,568	29	2	0	2,176
	16	3,356	2,558	11	4	0	4,928
	64	3,423	2,836	31	12	0	19,200
	72	3,445	2,827	11	14	0	21,952

Itheyibhile ye-15-9 ibonisa idatha yokusetyenziswa kwemithombo ye-DDR2 yokulawula ukusebenza okuphezulu kunye nomlawuli kunye ne-PHY, kwi-half-rate kunye ne-full-rate rate yokulungiswa kwezixhobo ze-Cyclone III.

Uluhlu 15–9. Ukusetyenziswa kweZibonelelo ze-DDR2 kwiCyclone III Devices

Umgaqo-nkqubo	Inkumbulo Ububanzi (Amasuntswana)	Ingqiqo Iirejista	Iiseli ezinengqondo	Iibhloko zeM9K	Inkumbulo (Amasuntswana)
Umlawuli
I-DDR2 (Umlinganiselo wesiqingatha)	8	1,513	3,015	4	4,464
	16	1,513	3,034	6	8,816
	64	1,513	3,082	18	34,928
	72	1,513	3,076	19	39,280
I-DDR2 (Ixabiso elipheleleyo)	8	1,531	3,059	4	2,288
	16	1,531	3,108	4	4,464
	64	1,531	3,134	10	17,520
	72	1,531	3,119	11	19,696
Umlawuli+PHY
I-DDR2 (Umlinganiselo wesiqingatha)	8	2,737	5,131	6	4,784
	16	2,915	5,351	9	9,392
	64	3,969	6,564	27	37,040
	72	4,143	6,786	28	41,648
I-DDR2 (Ixabiso elipheleleyo)	8	2,418	4,763	6	2,576
	16	2,499	4,919	6	5,008
	64	2,957	5,505	15	19,600
	72	3,034	5,608	16	22,032

IiMfuno zeNkqubo

I-DDR3 SDRAM Controller ene-ALTMEMPHY IP yinxalenye yeThala leencwadi le-IP ye-MegaCore, ehanjiswa nge-software ye-Quartus II kwaye ikhutshelwe kwi-Altera. webindawo, www.altera.com.

Ngeemfuno zesixokelelwano kunye nemiyalelo yofako, bhekisa kuFakelo lweSoftware yeAltera kunye neLayisensi.

Ukufakela kunye nokukhutshwa kwelayisensi

Umzobo 15-2 ubonisa ubume bolawulo emva kokufaka i-DDR3 SDRAM Controller nge-ALTMEMPHY IP, apho luluhlu lofakelo. Uluhlu lofakelo olungagqibekanga kwiWindows ngu c:\altera\ ; kwiLinux yi/opt/altera .

Umfanekiso 15-2. Ulwakhiwo lukavimba weefayili

Udinga ilayisenisi yomsebenzi weMegaCore kuphela xa unelisekile ngokupheleleyo ngokusebenza kunye nokusebenza kwayo, kwaye ufuna ukuthatha uyilo lwakho kwimveliso.
Ukusebenzisa i-DDR3 SDRAM HPC, ungacela ilayisenisi file ukusuka eAltera web indawo kwi www.altera.com/licensing kwaye uyifake kwikhompyuter yakho. Xa ucela ilayisenisi file, Altera emails you a license.dat file. Ukuba awukwazi ukufikelela kwi-Intanethi, qhagamshelana nommeli wendawo yakho.
Ukusebenzisa i-DDR3 SDRAM HPC II, qhagamshelana nommeli wakho wentengiso wasekuhlaleni ukuze uodole ilayisenisi.

UVavanyo lwasimahla

Inqaku lovavanyo le-Altera's OpenCore Plus lisebenza kuphela kwi-DDR3 SDRAM HPC. Ngenqaku lovavanyo lwe-OpenCore Plus, unokwenza ezi zenzo zilandelayo:

• Ukulinganisa ukuziphatha kwe-megafunction (umsebenzi we-Altera MegaCore okanye AMPPSM megafunction) ngaphakathi kwinkqubo yakho.
• Qinisekisa ukusebenza koyilo lwakho, kunye nokuvavanya ubungakanani bayo kunye nesantya ngokukhawuleza nangokulula.
• Yenza inkqubo yesixhobo esinexesha elilinganiselweyo files kuyilo olubandakanya imisebenzi yeMegaCore.
• Cwangcisa isixhobo kwaye uqinisekise uyilo lwakho kwihardware.

Kufuneka uthenge ilayisenisi ye-megafunction kuphela xa unelisekile ngokupheleleyo ngokusebenza kwayo kunye nokusebenza kwayo, kwaye ufuna ukuthatha uyilo lwakho kwimveliso.

I-OpenCore Plus Time-Out Behaviour

Uvavanyo lwezixhobo ze-OpenCore Plus lunokuxhasa ezi ndlela zimbini zilandelayo:

• Ayifakwanga—uyilo luqhuba ixesha elithile
• I-Tethered-ifuna uqhagamshelo phakathi kwebhodi yakho kunye nekhompyuter yehost. Ukuba imowudi edityanisiweyo ixhaswa zizo zonke iimegafunctions kuyilo, isixhobo sinokusebenza ixesha elide okanye ngokungenasiphelo.

Zonke ii-megafunctions kwisixhobo siphelile ngaxeshanye xa elona xesha lovavanyo lisisithintelo lifikelelwe. Ukuba kukho ngaphezu kwe-megafunction enye kuyilo, i-mega function ethile ye-time-out-out-time iyakwazi ukugqunywa yindlela yokuphuma kwexesha kwezinye ii-megafunctions.

Kwimisebenzi ye-MegaCore, ixesha lokuphuma elingaxhunywanga yiyure enye; ixabiso lexesha elivaliweyo alinasiphelo.

Uyilo lwakho luyayeka ukusebenza emva kokuba ixesha lovavanyo lwehardware liphelelwe kwaye i-local_ready imveliso iyehla.

Imbali yoHlaziyo loxwebhu

Uluhlu 15–10 ludwelisa imbali yohlaziyo yolu xwebhu.

Uluhlu 15–10. Imbali yoHlaziyo loxwebhu

Umhla	Inguqulelo	Iinguqu
Novemba 2012	1.2	Inombolo yesahluko etshintshwe ukusuka kwi-13 ukuya kwi-15.
NgoJuni 2012	1.1	I-ayikhoni yeNgxelo eyongeziweyo.
Novemba 2011	1.0	Ulwazi oluDityanisiweyo lokuKhupha, iNkxaso yoSapho yeSixhobo, uluhlu lweempawu, kunye noluhlu lweempawu ezingaxhaswanga ze-DDR, DDR2, kunye ne-DDR3.

Amaxwebhu / Izibonelelo

ALTERA DDR2 SDRAM Abalawuli [pdf] Imiyalelo Abalawuli be-DDR2 SDRAM, i-DDR2, abalawuli be-SDRAM, abaLawuli

Iimbekiselo

• Incwadi yokusebenzisa