kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
kompiuteris periferiuli mowyobilobebi
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• kompiuteri aRWurvili unda iyos ATA-2, an ufro<br />
axali standartis interfeisiT;<br />
• sistemuri BIOS mxars unda uWerdes minimum ATA-2<br />
interfeiss.<br />
LBA meTodis Tanxmad yvela seqtori, dawyebuli<br />
(0, 0, 1) seqtoridan, romelsac logikuri misamarTi<br />
0 eniWeba, TanmimdevrobiT inomreba. amrigad.<br />
CHS misamarTi 28-bitian LBA misamarTad gardaiqmneba.<br />
am SemTxvevaSi vinCesteris maqsimaluri moculoba<br />
SeiZleba iyos<br />
28<br />
V = 65536 ⋅16<br />
⋅256<br />
⋅512<br />
= 2 = 128 gbaiti.<br />
Tumca operaciuli sistemisTvis aucilebelia<br />
seqtorebis gadaTvlili mniSvnelobebi. amitom BIOS<br />
Tavdapirvelad seqtorebis saerTo raodenobas gansazRvravs,<br />
xolo Semdeg gadaTvlis maT CHS monacemebad.<br />
am SemTxvevaSi vinCesteris maqsimaluri moculoba<br />
SeiZleba iyos<br />
V = 1024 ⋅ 256 ⋅63<br />
⋅512<br />
= 8,<br />
4 gbaiti .<br />
1998 wlis da ufro Tanamedrove sistemur<br />
BIOS-ebSi moxsnilia vinCesteris maqsimaluri moculobis<br />
8,4 gbaitiani SezRudva, xolo 2002 wlis da<br />
ufro Tanamedrove versiebSi _ 128 gbaitiani SezRudvac.<br />
Tumca 128 gbaitiani SezRudvis moxsnisTvis kompiuteri<br />
aRWurvili unda iyos ATA-6, an ufro axali<br />
standartis interfeisiT.<br />
ATA-6 standarti 48-Tanriga LBA damisamarTebas<br />
iTvaliswinebs. seqtorebis maqsimaluri raodenobaa<br />
248 , xolo vinCesteris maqsimaluri moculoba<br />
123<br />
_ 248x512=144 petabaiti. Tumca 128 gbaitze meti<br />
moculobis vinCesteris SeZenamde unda davrwmundeT,<br />
rom Sesabamisi vinCesterebis mxardaWera <strong>kompiuteris</strong><br />
sistemur BIOS-sac gaaCnia.<br />
problemebi, romlebic dakavSirebulia IDE<br />
standartis vinCesterebis maqsimaluri moculobis<br />
SezRudvasTan, aranairad ar exeba SCSI standartis<br />
vinCesterebs.<br />
SCSI standarti Tavidanve maRali klasis vin-<br />
CesterebTan samuSaod iyo gaTvaliswinebuli, amitom<br />
pirvelive SCSI standarti 232 seqtoris damisamarTebis<br />
da aqedan gamomdinare, 2 terabaitamde moculobis<br />
vinCesterebis mxardaWeras uzrunvelyofda.<br />
Tanamedrove SCSI standartis mixedviT SesaZlebelia<br />
264 seqtoris damisamarTeba. amrigad, vin-<br />
Cesteris maqsimaluri moculoba praqtikulad Seuz-<br />
Rudavia.<br />
rac Seexeba sistemuri BIOS-is SezRudvas, mas<br />
SCSI vinCesterebisTvis aranairi mniSvneloba ar eni-<br />
Weba. SCSI vinCesterebis mxardaWera xdeba ara sistemuri<br />
BIOS-is, aramed SCSI host-adapteris doneze.<br />
124
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