Yuav ua li cas yog post-card?

Post-card - ib tug diagnostic nqi no muaj xws li ib tug numeric keypad. Tus cim qhia txog cov kev ua yuam kev lis dej num ntawm lub motherboard los ntawm kev uas ib tug kws muaj peev xwm txiav txim uas node yog ib tug tus kheej lub computer malfunction. Nyob ntawm seb lub hom BIOS nti codes tej zaum yuav txawv. Yog hais tias nyob rau hauv tus txheej txheem ntawm diagnosing faults tsis kuaj, lub Post-phaib yog muab mus tso saib ib cov lus "txiav" (tej zaum yuav txawv nyob ntawm lub hom BIOS). Qhov no tus nqi tseem unchanged nyob rau hauv lub chav kawm ntawm ntxiv ua hauj lwm PC.

Post-phaib muaj ntau variations. Piv txwv li, ib daim ntawv qhia Post CodeDual tau tog zaub uas ho tsub kom lub nplij siab los ntawm kev nyeem ntawv ntxiv. Tag nrho cov hom ntawm pab kiag li lawm nrog LED zaub uas qhia tau hais tias koj lub computer muaj ib tug voltage + 3.3V, + 5V, -12, +12 volts, thiab cov LED teeb liab pib dua. Post-card mus cuag muaj ib tug txawv connector - PCI, ISA, LPT, miniPC thiab lwm tus neeg.

Wb to taub, thiab seb puas los yog tsis cov pab kiag li lawm yog li ntawd tsim nyog nyob rau hauv tej kev cov ntaub ntawv lawv muaj peev xwm pab tau. Heev feem ntau thaum lub tsev ib lub computer tshiab muaj kev txawv txav teeb meem. Piv txwv li, ntsaws nws nyob rau hauv, koj nrhiav tau ib tug dub screen uas tsis muaj tej yam tshwm sim ntawm lub neej. Nyob rau hauv xws li mob nws yog tsim nyog los rub tag nrho cov connectors, rearrange lub jumpers rau lub motherboard, thiab thiaj li nyob thiab thiaj li tawm. Nws yog tsis yooj yim kom tau engineers thiab cov kev pab zov me nyuam nyob rau hauv cov ntaub ntawv ntawm kev khiav hauj lwm rau hauv txoj kev, qhov twg nws yog tsim nyog nyob rau hauv lub sij hawm luv luv mus nrhiav thiab daws tau qhov teeb meem. Heev feem ntau, lub caij nyoog kawg no muaj rau noj tam sim ntawd lub system unit nrog ib tug txhaum mus nrhiav tau tawm nyob rau hauv qhov kev. Yog li ntawd leej twg uas yog koom nyob rau hauv kev kho thiab los ua ke ntawm lub computer cov khoom, Post-card yuav ua tau ib tug indispensable cuab tam, tshwj xeeb tshaj yog txij thaum tus nqi ntawm no ntaus ntawv yog tsis tshua muaj. Ordinary PC neeg siv yuav kuj yuav xws li ib tug ntaus ntawv nws tus kheej, vim hais tias peb cov neeg yog ib txwm ua kom daws tau tej teeb meem koj tus kheej, thiab tsuas yog raws li ib lub xeem chaw uasi rau kev pab. Vim cov qauv ntawm cov "hmuv" eliminates feem ntau computer malfunctions. Txawm li cas los, txoj kev no yog zoo yog hais tias koj muaj ntawm tes ib tug ob peb blocks ntawm lub tib lub hom system. Nyob rau hauv cov ntaub ntawv no, koj yuav tau siv sij hawm rau hauv daim ntawv los ntawm koj tus chav tsev thiab ib tug mus hloov puas raws li ntev raws li lub caij nyoog kawg no tsis ua hauj lwm. Txawm li cas los Yog hais tias koj muaj tsis muaj spare qhov chaw, ces pib nrhiav kev phooj ywg los yog yus paub nyob rau hauv lub tswv yim ntawm "cov kws txawj" tau mus yuav cov neeg los yog lwm yam units. Yog li, post-card yuav pab tsis kim, raws li computer accessories yog heev dlej nyiaj, thiab nrhiav thiab yuav lub sij hawm tas siv.

Post-phaib yog ib qho yooj yim mus siv, yuav ua li cas siv rau lawv, yuav nws tus kheej soj ntsuam leej twg. Cov pab kiag li lawm tsis tas yuav mus saib xyuas lawv kev ua hauj lwm, lawv ua rau nws tau mus ntsuam xyuas lub PC nyob rau ntawm ib thaum ntxov rau theem, thaum cov muaj suab mob, thiab kev sau yog ntau npaum li cas yooj yim tshaj muaj rau suav tus xov tooj thiab ntev ntawm beeps computer. Post card kuj tso cai rau koj mus nqa tawm diagnostics thiab peripheral systems.