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DDR4 Sdram – Daminɛ, kalan ani jateminɛ

Kow fɔcogo

17 min read Via www.systemverilog.io

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DDR4 SDRAM : Bi ɔridinatɛri motɛri

Jago fɛɛrɛbɔ diɲɛ kɔnɔ , teliya ni dannaya tɛ se ka fɔ . Server, baarakɛyɔrɔ ani baarakɛda baarakɛminɛn minnu bɛ baara kɛ kosɛbɛ, olu bɛɛ kɔnɔ, hakilijagabɔ-minɛn fitinin bɛ yen, wa san caman kɔnɔ, DDR4 SDRAM (Double Data Rate 4 Synchronous Dynamic Random-Access Memory) de kɛra a jɔyɔrɔba ye. Hali ni baarakɛlaw bɛ a laban ye — kunnafoniw sɔrɔli teliya la ani baara caman kɛli cogo nɔgɔman na — min bɛ kɛ kɔfɛ, o ye bale gɛlɛn ye min bɛ kɛ ni ɛntɛrinɛti ye min bɛ kɛ ni fɛnw ye minnu bɛ se ka kɛ fɛn ye. DDR4 ka maaɲɛ lakika tɛ a teliya raw dɔrɔn na nka a daminɛcogo, a degecogo ani a jateminɛcogo caman na minnu bɛ Kɛ tuma o tuma ni sistɛmu dɔ bɛ fanga Da. Jagokɛla min bɛ baara kɛ ni sigida barikama ye i n’a fɔ Mewayz modular business OS, o jusigilan faamuyali ye fɛnba ye walasa ka farakurun sabatili ni baarakɛcogo waleɲumandɔn min bɛ don o don baara ɲɛminɛ.

Bɔti-yɔrɔ-ko : Seko ni dɔnko ni daminɛ

DDR4 ka taama bɛ daminɛ waati min na i ye fanga butɔni digi . DDR4 tɛ i n’a fɔ hakilijagabɔ suguya nɔgɔmanw, a tɛ kunun ka labɛn ka wale kɛ. A bɛ daminɛ-cogo gɛlɛn dɔ de wajibiya, min bɛ kɛ senfɛ-senfɛ, min bɛ labɛn hakilijagabɔ-minɛn fɛ, min bɛ don a ka c’a la, a bɛ don cɛmancɛ-baarakɛyɔrɔ (CPU) kɔnɔ. O wale in nafa ka bon kosɛbɛ walasa ka kumaɲɔgɔnya jɔnjɔnw sigi sen kan. Kontrɔla bɛ fanga di fɔlɔ ani ka waati taamasiyɛnw sabati. O kɔ fɛ a bɛ cikan dɔw Bɔ walasa ka hakilijagabɔ-module (hakilila-moduw) Bɔ cogo la min tɛ Kɛ ka Taa cogo la min na u bɛ Se ka Sɔn cikan gɛlɛnw ma. O dakun in yɔrɔ koloma dɔ ye Serial Presence Detect (SPD) puce kalanni ye hakilijagabɔ-module yɛrɛ kan. SPD puce kɔnɔ, kunnafoni nafamaw bɛ sɔrɔ minnu bolodara a dilabaga fɛ, i n’a fɔ modulu ka density, waati hakɛw, ani voltage wajibiyalenw. Hakilila-kɔlɔsilikɛla bɛ baara Kɛ ni o kunnafoniw ye i n'a fɔ 'blɔki walasa k'a yɛrɛ Labɛn ka ɲɛ, k'a Jira ko a bɛ "kan kelen Fɔ" ni RAM ye. Fɛn o fili bɛ yan, o bɛ se ka kɛ sababu ye ka daminɛbaliya kɛ, k’a jira mun na bɛnkan ye ko bɛɛ la belebele ye.

bololabaara : mun na hakilijagabɔ degeliw nafa ka bon

Ni paramɛtɛrɛ jɔnjɔnw sigilen don, sistɛmu bɛ gɛlɛyaba dɔ sɔrɔ : waati sɛgɛsɛgɛli . DDR4 bɛ baara kɛ ni gigabit caman teliya ye segin kelen kɔnɔ, kuran taamasiyɛn minnu bɛ bɔ kunnafonisɛbɛn na ka taa hakilijagabɔlan na ani kɔfɛ, olu bɛ se ka kɛ ɲɔgɔndanbaliya ye k’a sababu kɛ fɛn misɛnninw ye minnu bɛ tali kɛ taamasiyɛnw janya la karti ba kan ani farikolo ko wɛrɛw. Ni o skew ma latilen, o bɛna kɛ sababu ye ka kunnafoniw tiɲɛ ani ka sistɛmu tiɲɛ. Walasa k’o ɲɛnabɔ, DDR4 bɛ taabolo dɔ Kɛ min bɛ Weele ko hakilila-kalan. Degeli senfɛ, hakilijagabɔ-minɛn bɛ kalan ni sɛbɛnni sɛgɛsɛgɛli caman kɛ, k’a ka taamasiyɛnw waati ladilan kosɛbɛ. A bɛ kunnafoni-falen-falen (DQS) ka waati latɛmɛni ɲɛnabɔ ka ɲɛ ka kɛɲɛ ni kunnafonidilanw (DQ) ye walasa ni kunnafonisɛbɛnw tacogo ɲɛnabɔbaga ye, a b’u minɛ yɔrɔ tigitigi la min sabatilen don kosɛbɛ taamasiyɛn ka sɛrɛkili kɔnɔ. Nin wale in tɛ izini sigicogo ye min bɛ kɛ siɲɛ kelen; a bɛ kɛ butiki kelen-kelen bɛɛ senfɛ walasa ka sigida fɛn caman wuli i n’a fɔ funteni jiginni, ka baarakɛcogo dafalen garanti don o don.

ye Hakilila-kalan ye sistɛmu sabatili jagokɛla ye min ma dɔnkili da. O ye jateminɛ makunlen ye min bɛ ɲɔgɔndan min bɛ se ka kɛ fili ye, o fɛn caman tigɛli ka kɛ kunnafonidilan siraba ye min bɛ se ka da a kan, min teliya ka bon, o min ye jusigilan barikama sugu ye tigitigi min kan, i n’a fɔ Mewayz.
ye

Fine-tuning for Peak Performance : Kalan ni sɛbɛnni jateminɛ

Ka tɛmɛn degeliw waati ladilanni fɔlɔw kan, baarakɛcogo ɲuman sigidaw ka teli ka u sen don jateminɛ wɛrɛw la walasa ka teliya ni baarakɛcogo dancɛw gɛlɛya. Jateminɛ kɛcogo kɔrɔlen fila ye sɛbɛnni nivoya ani VREF (Reference Voltage) Jateminɛ ye. Write Leveling bɛ waati danfara minnu bɛ waati taamasiyɛn ni cikan/ladɛrɛsi taamasiyɛnw cɛ, olu musaka bɔ hakilijagabɔ modulu suguya wɛrɛw kɔnɔ. O b’a To ni sɛbɛnni cikan dɔ Cina, a bɛ Se hakilijagabɔ-minɛnw bɛɛ ma waati kelen na. VREF Calibration ye nuanced ye ka tɛmɛn fɔlɔ kan. VREF tension ye dakun kɔrɔlen ye min hakilijagabɔla bɛ baara kɛ ni min ye walasa k’a dɔn ni taamasiyɛn dɔ ye logique 1 walima 0. Ni teliya bɛ bonya ani ni voltage hakɛw bɛ dɔgɔya, fili hakɛ bɛ kɛ fitinin ye. VREF Calibration bɛ fanga sɔrɔ ka voltage reference point ɲuman sɔrɔ walasa ka signal integrity caya kalanni ni sɛbɛnni fila bɛɛ la. Jagokɛlaw minnu bɛ kunnafonidilanw baara Mewayz kan, o jateminɛw b’a to a jukɔrɔla fɛnɲɛnamafagalanw bɛ ɲɛ walasa ka kunnafoniw di ni tiɲɛni caman ye ani ni latɛmɛni fitinin ye.

DDR4 sitɛmu min kalifara ka ɲɛ , o nafa jɔnjɔnw

Ni daminɛ, kalan ani jateminɛ dafara ka ɲɛ, o nɔ ye hakilijagabɔ-yɔrɔ ye min bɛ baara kɛ a seko dabɔlen na. Nafa minnu bɛ sɔrɔ o la , olu ye fɛnba ye bi jago siratigɛ la :

  • Dannaya sabatili : kunnafonidilanw filiw dɔgɔyali kosɛbɛ bɛ baarakɛminɛnw tiɲɛni ni kunnafonidilanw tiɲɛni bali , o bɛ na ni sistɛmu baarakɛwaati caya ye .
  • Baara kɛcogo ɲuman : Sisitɛmuw bɛ se ka baara kɛ u ka teliya laseli la k’a sɔrɔ u ma sabati , k’a lajɛ ko baarakɛcogo ɲuman porogaramuw ni jateminɛminɛnw minnu bɛ mara kɛnɛw kan i n’a fɔ Mewayz , olu bɛ jaabi di o yɔrɔnin bɛɛ .
  • Bɛnkan ɲɛtaa : nin wale ninnu kɛcogo otomatiki la , o b' a to sistɛmuw bɛ se ka baara kɛ ni dannaya ye ni DDR4 modulu caman ye minnu bɛ bɔ feerekɛla suguya caman na .
  • Sigiya kuntaalajan : Ni i bɛ segin ka dege butiki bɛɛ la , sistɛmu bɛ to ka ladamu a sigida la , ka dannaya sabati fɛnɲɛnamafagalanw ka ɲɛnamaya kɔnɔ .

kuncɛli la , taabolo caman minnu bɛ DDR4 hakilijagabɔ kɔfɛ , olu ye seereya ye min b' a jira ko ɛntɛrinɛti kalanni ka kan ka kɛ bi ɔridinatɛriw la . Nin diɲɛ dogolen in min ye daminɛ, kalan ani jateminɛ ye, o de bɛ jusigilan sabatilen, baarakɛcogo ɲuman di, jagokɛlaw bɛ u jigi da min kan. Plateforme minnu bɛ i n’a fɔ Mewayz, n’olu bɛ jago baara suguya caman fara ɲɔgɔn kan ka kɛ baarakɛminɛn ye min tɛ fɛn tiɲɛ, olu bɛɛ bɛ bɔ nin fɛnɲɛnamafagalanw dannayalen in na pewu walasa ka baarakɛlaw ka baarakɛcogo basigilen ni fangatigi di. Siɲɛ wɛrɛ n’i ka sistɛmu bɛ daminɛ joona ani ka boli ka ɲɛ, i hakili to dɔnko nizɛri gɛlɛn na min y’a to o bɛɛ kɛra.

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Ɲininkali minnu bɛ kɛ tuma caman na

DDR4 SDRAM : Bi ɔridinatɛri motɛri

Jago fɛɛrɛbɔ diɲɛ kɔnɔ , teliya ni dannaya tɛ se ka fɔ . Server, baarakɛyɔrɔ ani baarakɛda baarakɛminɛn minnu bɛ baara kɛ kosɛbɛ, olu bɛɛ kɔnɔ, hakilijagabɔ-minɛn fitinin bɛ yen, wa san caman kɔnɔ, DDR4 SDRAM (Double Data Rate 4 Synchronous Dynamic Random-Access Memory) de kɛra a jɔyɔrɔba ye. Hali ni baarakɛlaw bɛ a laban ye — kunnafoniw sɔrɔli teliya la ani baara caman kɛli cogo nɔgɔman na — min bɛ kɛ kɔfɛ, o ye bale gɛlɛn ye min bɛ kɛ ni ɛntɛrinɛti ye min bɛ kɛ ni fɛnw ye minnu bɛ se ka kɛ fɛn ye. DDR4 ka maaɲɛ lakika tɛ a teliya raw dɔrɔn na nka a daminɛcogo, a degecogo ani a jateminɛcogo caman na minnu bɛ Kɛ tuma o tuma ni sistɛmu dɔ bɛ fanga Da. Jagokɛla min bɛ baara kɛ ni sigida barikama ye i n’a fɔ Mewayz modular business OS, o jusigilan faamuyali ye fɛnba ye walasa ka farakurun sabatili ni baarakɛcogo waleɲumandɔn min bɛ don o don baara ɲɛminɛ.

Bɔti-yɔrɔ-ko : Seko ni dɔnko ni daminɛ

DDR4 ka taama bɛ daminɛ waati min na i ye fanga butɔni digi . DDR4 tɛ i n’a fɔ hakilijagabɔ suguya nɔgɔmanw, a tɛ kunun ka labɛn ka wale kɛ. A bɛ daminɛ-cogo gɛlɛn dɔ de wajibiya, min bɛ kɛ senfɛ-senfɛ, min bɛ labɛn hakilijagabɔ-minɛn fɛ, min bɛ don a ka c’a la, a bɛ don cɛmancɛ-baarakɛyɔrɔ (CPU) kɔnɔ. O wale in nafa ka bon kosɛbɛ walasa ka kumaɲɔgɔnya jɔnjɔnw sigi sen kan. Kontrɔla bɛ fanga di fɔlɔ ani ka waati taamasiyɛnw sabati. O kɔ fɛ a bɛ cikan dɔw Bɔ walasa ka hakilijagabɔ-module (hakilila-moduw) Bɔ cogo la min tɛ Kɛ ka Taa cogo la min na u bɛ Se ka Sɔn cikan gɛlɛnw ma. O dakun in yɔrɔ koloma dɔ ye Serial Presence Detect (SPD) puce kalanni ye hakilijagabɔ-module yɛrɛ kan. SPD puce kɔnɔ, kunnafoni nafamaw bɛ sɔrɔ minnu bolodara a dilabaga fɛ, i n’a fɔ modulu ka density, waati hakɛw, ani voltage wajibiyalenw. Hakilila-kɔlɔsilikɛla bɛ baara Kɛ ni o kunnafoniw ye i n'a fɔ 'blɔki walasa k'a yɛrɛ Labɛn ka ɲɛ, k'a Jira ko a bɛ "kan kelen Fɔ" ni RAM ye. Fɛn o fili bɛ yan, o bɛ se ka kɛ sababu ye ka daminɛbaliya kɛ, k’a jira mun na bɛnkan ye ko bɛɛ la belebele ye.

bololabaara : mun na hakilijagabɔ degeliw nafa ka bon

Ni paramɛtɛrɛ jɔnjɔnw sigilen don, sistɛmu bɛ gɛlɛyaba dɔ sɔrɔ : waati sɛgɛsɛgɛli . DDR4 bɛ baara kɛ ni gigabit caman teliya ye segin kelen kɔnɔ, kuran taamasiyɛn minnu bɛ bɔ kunnafonisɛbɛn na ka taa hakilijagabɔlan na ani kɔfɛ, olu bɛ se ka kɛ ɲɔgɔndanbaliya ye k’a sababu kɛ fɛn misɛnninw ye minnu bɛ tali kɛ taamasiyɛnw janya la karti ba kan ani farikolo ko wɛrɛw. Ni o skew ma latilen, o bɛna kɛ sababu ye ka kunnafoniw tiɲɛ ani ka sistɛmu tiɲɛ. Walasa k’o ɲɛnabɔ, DDR4 bɛ taabolo dɔ Kɛ min bɛ Weele ko hakilijagabɔ-kalan. Degeli senfɛ, hakilijagabɔ-minɛn bɛ kalan ni sɛbɛnni sɛgɛsɛgɛli caman kɛ, k’a ka taamasiyɛnw waati ladilan kosɛbɛ. A bɛ kunnafoni-falen-falen (DQS) ka waati latɛmɛni ɲɛnabɔ ka ɲɛ ka kɛɲɛ ni kunnafonidilanw (DQ) ye walasa ni kunnafonisɛbɛnw tacogo ɲɛnabɔbaga ye, a b’u minɛ yɔrɔ tigitigi la min sabatilen don kosɛbɛ taamasiyɛn ka sɛrɛkili kɔnɔ. Nin wale in tɛ izini sigicogo ye min bɛ kɛ siɲɛ kelen; a bɛ kɛ butiki kelen-kelen bɛɛ senfɛ walasa ka sigida fɛn caman wuli i n’a fɔ funteni jiginni, ka baarakɛcogo dafalen garanti don o don.

Fine-tuning for Peak Performance : Kalan ni sɛbɛnni jateminɛ

Ka tɛmɛn degeliw waati ladilanni fɔlɔw kan, baarakɛcogo ɲuman sigidaw ka teli ka u sen don jateminɛ wɛrɛw la walasa ka teliya ni baarakɛcogo dancɛw gɛlɛya. Jateminɛ kɛcogo kɔrɔlen fila ye sɛbɛnni nivoya ani VREF (Reference Voltage) Jateminɛ ye. Write Leveling bɛ waati danfara minnu bɛ waati taamasiyɛn ni cikan/ladɛrɛsi taamasiyɛnw cɛ, olu musaka bɔ hakilijagabɔ modulu suguya wɛrɛw kɔnɔ. O b’a To ni sɛbɛnni cikan dɔ Cina, a bɛ Se hakilijagabɔ-minɛnw bɛɛ ma waati kelen na. VREF Calibration ye nuanced ye ka tɛmɛn fɔlɔ kan. VREF tension ye dakun kɔrɔlen ye min hakilijagabɔla bɛ baara kɛ ni min ye walasa k’a dɔn ni taamasiyɛn dɔ ye logique 1 walima 0. Ni teliya bɛ bonya ani ni voltage hakɛw bɛ dɔgɔya, fili hakɛ bɛ kɛ fitinin ye. VREF Calibration bɛ fanga sɔrɔ ka voltage reference point ɲuman sɔrɔ walasa ka signal integrity caya kalanni ni sɛbɛnni fila bɛɛ la. Jagokɛlaw minnu bɛ kunnafonidilanw baara Mewayz kan, o jateminɛw b’a to a jukɔrɔla fɛnɲɛnamafagalanw bɛ ɲɛ walasa ka kunnafoniw di ni tiɲɛni caman ye ani ni latɛmɛni fitinin ye.

DDR4 sitɛmu min kalifara ka ɲɛ , o nafa jɔnjɔnw

Ni daminɛ, kalan ani jateminɛ dafara ka ɲɛ, o nɔ ye hakilijagabɔ-yɔrɔ ye min bɛ baara kɛ a seko dabɔlen na. Nafa minnu bɛ sɔrɔ o la , olu ye fɛnba ye bi jago siratigɛ la :

aw ka jago OS jɔ bi

k' a ta yɛrɛmahɔrɔnya baarakɛlaw la ka se baaradaw ma , Mewayz bɛ fanga di jagokɛla 138.000+ ma ni modulu 208 ye minnu bɛ ɲɔgɔn kan . A daminɛ fu, i ka sɛgɛsɛgɛli kɛ ni i bonyalen don.

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