zip-drive

[Costas]

Antonios A. Kavarnos wrote:

> > Re paidia na rwthsw kai egw kati? Giati oloi proteinete lyseis styl Zip kai oxi tape? An
> > 6es na pareis megala backups poses diskettes Zip xreiazesai? (akoma kai an einai 1 GB).
> > Gia na mhn pw gia taxythtes, opoy ta tape apogeiwnontai. Egw to mono kalo poy vlepw sta
> > Zip einai oti den grafoyn seiriaka opws ta tape, mporeis dhladh na svhneis memonwmena
> > komatia.
>
> De symfvnv oti oi tainies einai pio grhgores:
>
> Pragmati, oi tainies xvrane kata meso oro perissotero, alla einai kai pio akribo to
> mhxanhma. Epishs, den einai panta pio grhgores. Px. oi DAT DDS-2 xvrane 4GB, me taxythta
> 500Kb/s (xvris sympiesh) kai kanoyn peripoy 7-8K h tainia. Oi DAT DDS-3 kanoyn peripoy 12K
> kai xvrane 12GB, me 1MB/sec (xvris sympiesh pali). Ena DDS-3 drive kanei 300K toylaxiston.
>
> Ena device TR-3 kanei kapoy 60-70 K kai oi tainies toy kanoyn 8K peripoy (gia 1.6G) alla
> den jerv taxythta.
>
> Oi tainies poy mpainoyn ston floppy controller exoyn safvs mikroterh taxythta
> (dioruvste me an kanv lauos). T
>
> To SCSI zip gemizei to diskaki se 2 lepta, dhladh 800Kb/s kai to SparQ 1Mb/sec symfvna
> me thn Syquest (se Win95 egv metrhsa 600Kb/s, sto parallhlo, fantasoy to IDE).
> Ta Jaz klp. einai epishs pio grhgora.
>
> Sigoyra einai pio grhgores oi tainies? (analoga me to kostos?)

Gia toy logoy to alh6es etreksa shmera ena test sto grafeio opoy exw kai apo ta dyo. Shmeiwsh
oti den milaw gia eksotika tape (exw ena DDS-3 to opoio ontws petaei, alla opws eipes kai mono
soy exei ena swro lefta). Antegrapsa ena arxeio 90 MB se ena Zip ths Iomega twn 100MB kai se
ena tape ths Seagate TR3 1.6GB. H diafora einai yper toy tape. Sygkekrimena to Zip moy edwse
transfer rate 114Kb/sec enw to tape 153Kb/sec mazi me to xrono poy kanei na diavasei thn
tainia. Symperasma, epanerxomai se ayto poy yposthriksa sthn arxh, kai pio grhgoros eimai me
to tape kai exw 15plasia xwrhtikothta apo to zip me 8K peripoy sthn tainia. Shmeiwteon oti kai
ta 2 tests eginan sto idio mhxanhma sthn parallhlh.

Filika,

Costas Barakitis

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