RAM imifanekiso lokuqala ukukhiqizwa amakhompyutha ziyingxenye ebalulekile lonke uhlelo. Mhlawumbe omunye umuntu uyakhumbula 80286 futhi motherboards ngabo. Ukucwaningwa lokuqala lihlanganisa lenqwaba nezixhumi encane soldered kulo chip. Nokho wayithi amakhilobhayithi ambalwa RAM, njengoba umthetho, akukho ivolumu Ukwakha-up awuzange wahlanganyela - Ngingeze chip. Ngokuvamile, uhlelo yathengwa ngokushesha nge ethile inkumbulo. Yebo, futhi intengo ICS kwaba ngempela eliphezulu. Nokho, njengoba ubuchwepheshe yokukhiqiza Semiconductor chips izingxenye izindleko banyukubala (inqubo uyaqhubeka esikhathini sethu), futhi kwadingeka ukudala ikhambi elilodwa-stop evumela ngaphandle kwezinkinga ukwandisa inani RAM. Futhi module inkumbulo sidaliwe (manje ungezwa sidolobha Inkulumo - wayibhinca). Kusukela ngaleso sikhathi, kwathatha amashumi eminyaka: amazinga alternated, chip ngcono, kodwa liveza umqondo ayizange ithuthuke.
Kanjani module inkumbulo
Ukuhlukanisa ibha kusukela nezinye izingxenye sisobala: it is a elingunxande ipuleti PCB lapho esisodwa noma zombili izinhlangothi chip kuthiwa soldered. Imemori iyunithi kungenzeka ivalwe ngumuntu metallic ukushisa echibini esithuthukisa ukushabalalisa ukushisa. Ukuze uxhume ku-umbadlana ihlinzeka zethusi ikamu beya nabo. Isinqumo sokuqala esinjalo waziwa ngokuthi SIMM, esimelela "Single In Line Memory Module", ie "inkumbulo, ibekwe agudle efanayo." Ukuze ulungise nezixhumi yabo ekhethekile adaliwe ebhodini, lapho inkumbulo ngamunye mojuli ifakwe i-engela degrees 30, bese waseselulama, isilungisiwe.
Umlando yentuthuko emapheshana
Okokuqala lo SIMM-s equkethwe ingqikithi 30 pads, ungase ukuziqhayisa up 2 Mb ... futhi kwayisishiyagalombili, yingakho babefanele ukufakwa ngazimbili ukufanisa ibhasi uhlelo. Ukuthuthukiswa eseduze Pentium processor eno nandi for 32 bit isikhathi kuyadingeka ukuze ithuthukise subsystem inkumbulo - Ibhande 72 oxhumana kuluthola. Khona-ke, kuze kube ngo-1997, akukho izinguquko ezinkulu ezenziwe kwakungafanele. Kwandisa umthamo chips, hhayi ngaphezulu. Kodwa maduze nje, indinganiso entsha sidaliwe - DIMM, esimelela "Dual In Line Memory Module". Lezi amamojula babe oxhumana zethusi futhi nasohlangothini lwesibili, futhi nenombolo yabo senyuselwa amayunithi 84 ohlangothini ngalunye. Ngaphezu kwalokho, i-bit lakhuphuka lafika ku-64 izingcezu. By the way, esimanjemanje module inkumbulo DDR2 futhi-64-bit (operation isiteshi ezivamile olulodwa).
Evolution DIMM
Ngemva kwesikhathi kubha waqala ukubeka chip SPD, okuyinto ugcina idatha ku-chip kungenzeka - it is auto-ukumisa lula. Ukubukeka amamojula nge voltage encishisiwe okubangelwa onjiniyela ukwakha "ukhiye" ekhethekile - a cutout e block esibulalayo, lapho uhlobo kubakaki ubudala (ngomzamo omkhulu) lalingahambelani ngokomzimba entsha. imvamisa Grew, anda amanani yimemori. Imininingwane kwaba 184. Memory mojuli isidaliwe laptop - kusukela abavamile kuwukwenza ezahlukene, okuvumela ukuba uhlele izinqumo eziningana ezifana emzimbeni encane laptop. Ukuze uthuthukise ukusebenza kwasikiselwa ukudlulisa idatha ku-mode esasizosheshisa - ngakho kokuba DDR emapheshana, lapho isignali idluliselwa ngokufanele. Khona-ke ukuba DDR2, zinamandla sinciphile eminye usebenzisa obukhulu yenethiwekhi imvamisa. Okwamanje, DDR3 elisetshenziswa yesimanje zekhompyutha.