I. Okwu mmalite
Crystal Oscillator (a na-akpọ XO) bụ otu n'ime ihe ndị dị mkpa na ngwaọrụ eletrọnịkị ọgbara ọhụrụ. Na sistemụ ihe nkesa, XO na-arụ ọrụ nke "ntụaka oge", na-enye akara elekere kwụsiri ike na nke ziri ezi maka sistemụ niile. Site na mgbasawanye nke data center scales na ụbara ọchịchọ maka ntụkwasị obi dị elu na arụmọrụ dị elu, ọrụ XO na sava aghọwo ihe dị mkpa karị.
II. Ụkpụrụ bụ isi nke Crystal Oscillators
XO na-ejikarị kristal quartz eme ihe, nke nwere mmetụta piezoelectric ma nwee ike ịmalite ịma jijiji mgbe etinyere voltaji. Site n'ịgbanwe ịma jijiji n'ọrụ ka ọ bụrụ akara ọkụ eletrik nwere oge kwụsiri ike site na sekit, a na-emepụta akara elekere nke sistemu chọrọ. Ugboro nke XO na-adịkarị site na ọtụtụ iri iri kHz ruo ọtụtụ narị narị MHz.
III. Ihe ngosi ngwa igodo nke Crystal Oscillators na sava
Ọgbọ elekere Motherboard
Sava chọrọ otutu akara elekere na motherboard iji hazie ọrụ nke ọtụtụ modul dị ka processors, ebe nchekwa, bọs PCIe na ndị na-ahụ maka netwọkụ. XO na-ewepụta akara elekere dị iche iche nke ugboro dị iche iche site na sekit PLL (Nkebi{1} kpọchiri akpọchi) iji hụ na mmekọrịta n'etiti akụrụngwa dị iche iche.
Nhazi na Chipset Mmekọrịta
CPUs na chipsets chọrọ oge ntụaka kwụsiri ike maka mgbanwe data ọsọ ọsọ{{0}. XO na-enye akara elekere isi maka modul ndị a, na nkwụsi ike nke ugboro na-emetụta arụmọrụ processor yana nkwụsi ike data.
Elekere nzikọrịta ozi netwọkụ
Kaadị netwọkụ netwọkụ nkesa (NIC) na-achọkarị nnukwu-mmekọrịta oge ziri ezi, ọkachasị n'ọnọdụ ngwa dị ka nnukwu-ịzụ ahịa ugboro ugboro yana mmekọrịta data. XO na-enye elele dị elu{3}nke ziri ezi maka netwọọdụ PHY na MAC, ma bụrụ isi ihe maka imekọrịta mmekọrịta netwọkụ ziri ezi.
Njikwa nchekwa na data iguzosi ike n'ezi ihe
Sistemụ nchekwa nchekwa dị ka ndị na-ahụ maka RAID na ndị na-ahụ maka NVMe na-adabere na akara elekere ziri ezi maka nhazi data yana mmezi njehie. XO dị elu{1}nwere ike melite nkwụsi ike nke sistemu nchekwa yana ikwado data.
Mmekọrịta Oge ekesara
N'ime ụlọ nrụpụta kọmputa ekesara ekesa ọgbara ọhụrụ (dị ka HPC, elu{0}} nyiwe ịzụ ahịa ugboro ugboro), PTP (Precision Time Protocol) ma ọ bụ NTP (Network Time Protocol) na-eji maka imekọrịta oge. XO dị elu{2}skwụsie ike (dịka, OCXO) na-eje ozi dị ka ntụaka oge mpaghara, na-enyere aka ibelata oge ịfefe ma melite arụmọrụ nchikota nke sistemu.
IV. Achọrọ nkọwapụta igodo
Mgbe ị na-eji XO na gburugburu sava, nkọwa ọrụ aka ndị a kwesịrị ilekwasị anya na:
|
Ugboro (MHz/kHz) |
Ugboro ugboro |
Ụdị ngwa ngwa |
Nkọwa/Nkwupụta |
|
32.768 kHz |
Obere -Oge elekere |
RTC (Ezigbo elekere-Oge) |
A na-eji ya iji chekwaa oge mgbe sistemụ dị na njikere |
|
12/24/48 MHz |
Ugboro njikwa izugbe |
Ihe njikwa USB, njikwa agbakwunyere, wdg. |
A na-ahụkarị na nzikọrịta ozi n'akụkụ |
|
14.318 MHz |
Ugboro ntụaka ọdịnala |
Elekere BIOS, ụfọdụ ibe elekere ochie |
E wepụrụ nke nta nke nta na motherboards ọgbara ọhụrụ |
|
25 MHz |
Ntụaka XO |
Network PHY, SATA, USB, motherboard elekere generator |
Ugboro ntụaka a na-ahụkarị |
|
100 MHz |
Ntuziaka Motherboard |
CPU BCLK, PCIe elekere, ntinye PLL |
Isi mmalite elekere motherboard izugbe |
|
125 MHz |
Ugboro ntanetị netwọkụ |
Gigabit Ethernet |
SerDes ma ọ bụ elekere ntụaka PHY |
|
156.250 MHz |
Ugboro netwọk ọsọ{{0}dị elu |
10G/25G/40G/100G Ethernet interfaces |
SerDes elekere, nke a na-ahụkarị na NIC ọsọ ọsọ{{0} |
|
200 MHz |
Ugboro nrụtụ aka ebe nchekwa |
DDR3/DDR4 njikwa |
N'ezie DDR ugboro bụ uru mgbe ugboro otutu |
|
312.5 / 625 MHz |
Frequency SerDes |
Netwọk ọsọ {{0} dị elu, PCIe PHY |
Elekere mgbasa ozi serial |
|
400-800 MHz |
Ebe nrụtụ aka DDR5 |
DDR5 usoro ebe nchekwa |
DDR5 nwere ugboro dị elu yana ihe siri ike maka clocks |
|
2.5–{1} GHz |
CPU Core Frequency |
Isi ihe nhazi |
E sitere na BCLK (dịka ọmụmaatụ, 100 MHz) mgbe mmụba ugboro |
VI. Mmechi
Ọ bụ ezie na XO bụ naanị obere akụrụngwa na sava, ọrụ ya dị oke mkpa. Ma ọ bụ nhazi data, nkwukọrịta netwọkụ, ma ọ bụ mmekọrịta oge, akara elekere kwụsiri ike na ntụkwasị obi bụ ntọala nke sistemụ arụmọrụ. Site na mmụba na-aga n'ihu nke arụmọrụ nkesa, ihe ndị chọrọ ịrụ ọrụ maka XO na-abawanye. Ịhọrọ ngwọta XO kwesịrị ekwesị bụ otu n'ime igodo iji hụ na ogologo oge - sistemu sava ahụ kwụsiri ike.
Hangjing enyela ọnụ ọgụgụ buru ibu nke ndị ahịa na ụlọ ọrụ ihe nkesa, yana XO dakọtara na ngwọta bara ụba, ma nwee ike inye nkwado teknụzụ kwekọrọ.