 Viec ghi truc tiep len dia quang nhu ghi dia mem khong co gi moi, nhung Drive Letter Access se lam cho tinh nang nay tro nen thuan tien hon, nhanh chong hon, dang tin cay hon va ap dung duoc cho nhieu loai dia hon.
 Chung ta da biet cac chuong trinh Direct CD hay Nero InCD co the bien o dia quang CD thanh mot o dia tu (nhu o cung hay o mem) de co the ghi du lieu truc tiep bang cac thao tac thong thuong nhu keo tha, cut, copy, paste, rename, delete, tao thu muc moi... Theo kinh nghiem cua toi, Direct CD co nhieu nhuoc diem nhu: khong on dinh (co khi no khong doc duoc du lieu tren dia da chep truoc do), co the gay ra loi shutdown (lam may tinh khoi dong lai thay vi tat di), mat khac no khong dung duoc cho dia DVDRW. Con Nero InCD co nhuoc diem la ghi rat cham, chi dung duoc cho dia CDRW va DVDRW, khong dung duoc cho dia CD va DVD.
Drive Letter Access (DLA) la chuong trinh hoan toan co the khac phuc cac nhuoc diem ke tren. DLA ban dau cua cac hang Verita software va Sonic Solutions, sau do nhuong quyen cho cac cong ty OEM (Original Equipment Manufacturer: cong ty san xuat cac thiet bi se duoc su dung trong san pham cua cong ty khac). Do do co cac phien ban Dell DLA, HP DLA, IBM DLA, Sony DLA... Trong so nay, IBM DLA va Dell DLA co the lam viec voi da so cac o ghi khong phai cua IBM va DELL (khi cai dat co the co canh bao la o ghi cua ban khong duoc ho tro, nhung ban kong can chu y, cu tien hanh binh thuong). Theo kinh nghiem, ban co the su dung Dell DLA phien ban 4.95, November 2004, 9 MB. Co the tai va su dung mien phi tai www.argentuma.com/ab.exe. DLA cho phep ghi du lieu theo cach keo va tha tap tin hay thu muc tu o cung vao dia CD, CDRW, DVD, DVDRW, DVD 2 lop de nhu lam viec tren dia mem hay o cung di dong, va khi ban “make compatible” (lam cho dia tuong thich) thi dia do co the doc tren bat cu may nao. Sau khi download ve, ban tien hanh cai dat binh thuong roi khoi dong lai may. O cua so My Computer, bam phai vao bieu tuong o ghi, trong menu hien ra se co them cac dong Eject, Format, Use with DLA, va Make Compatible. Mot the DLA cung duoc them vao hop thoai Properties cua o dia. Bam vao Use with DLA. Neu tai mot o dia, mot dau kiem da xuat hien truoc muc Use with DLA thi o dia do da co the su dung voi DLA + Dinh dang (format) dia: Tat ca moi dia phai duoc dinh dang truoc khi su dung. Co 2 che do dinh dang la Quick format va Full format. 
- Quick format: format nhanh (duoi 60 giay), dung cho CD, DVD ghi mot lan hay CDRW, DVDRW da format truoc do. - Full format: format day du, co the lau den 180 phut, chi dung cho dia CDRW va DVDRW. De format dia, bam phai vao o dia, bam vao Format, hop thoai Format cua DLA hien ra. Go ten dia o o Volume label. Chon Quick hay Full o Format type va bam Start. Neu o dia cua ban ho tro background formatting, ban co the su dung dia trong vong vai phut.  + Chep du lieu len dia: Sau khi da dinh dang dia, ban co the chep du lieu vao dia nhu su dung dia mem hay dia cung, hoac co the dung cac chuong trinh sao luu nhu Karen’s Replicator... + Make compatible (lam cho dia tuong thich): tinh nang nay lam cho dia CD, DVD co the doc tren bat ky o dia CD, DVD nao ngay ca khi khong cai dat DLA. Khi lam viec nay: - Doi voi dia DVD, no se khoa dia, ban se khong ghi duoc du lieu them vao. - Doi voi dia DVDRW, no se dong session, ban van co the them du lieu vao sau nay. - Doi voi dia CD, no se dong session, ban co the them du lieu vao. Moi lan Make compatible se lam tieu ton dung luong dia, so lan Make compatible toi da co the lam tren mot dia CD la 15. Luu y: theo kinh nghiem thi toc do ghi cua DLA rat nhanh, nhung thinh thoang may co the khong nhan ra du lieu tren mot dia da ghi truoc do neu chua “make compatible”. Khi do ban cai dat lai DLA roi khoi dong lai may thi may se nhan ra ngay. Cac ban co the tham khao them ve DLA taI http://www.argentuma.com/backup/software/dla.html. Tac gia PHAM MINH TAN thoiphamvan(@)yahoo.com Article source http://w4rum.com/72.t
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