Acer 1520 manual Low Speed CD-RW, High Speed CD-RW, Ultra Speed CD-RW

DVD Dual Interface

Item		Specification
Disc Diameter	12cm and 8cm
Capacity	2048 bytes/sector (DVD)
	2048 bytes/block (CD Mode-1 and Mode-2 Form-1)
	2336 bytes/block (Mode-2)
	2328 bytes/block (Mode-2 Form-2)
Operation environment for “write/rewrite” application
Host Machine	IBM compatible PC (Pentium 166 MHz or above)
OS	MS-Windows 90/ME/2000/XP/NT 4.0
Memory	Min. 128MB required
Hard Disk	Empty Storage Capacity:100 MB or more
	Average access time: 20ms or less
Disc Diameter	12cm and 8cm
Recommended Media	CD-R:
	AMT, CMC, Csita, Delphi, EverMedia, Imation, LeadData(Silver-Sil),
	Maxell, MCC (Bagdad), Mirage, Mitsui, MoserBaer(India), MPO, NanYa,
	Plasmon, Prodisc, RAMedia, Ricoh, Ritek(JS, S, Richodye), SAST (ultra
	green), SKC(Korea), TDK, TY (DX dye)
	Low Speed CD-RW:
	CMC, Daxon, Fornet, Gigastorage, Imation, Infodisc, LeadData, MCC,
	Nanya, Princo, Prodisc, Ricoh, Ritek
	High Speed CD-RW:
	AMT, CMC, Infodisc, Nanya, Postech, Prodisc, Ritek, Ricoh, MCC,
	SKC(Korea)
	Ultra Speed CD-RW:
	Daxon, Imation, Infodisc, MCC, Prodisc, Ritek
	DVD+R:
	BEALL, CMC, Daxon, Fuji, HP, Maxell, MCC, Memorex, OPTODISC,
	PRODISC, Ricoh, RICOH, Ritek, SONY, TDK, TYUDE
	DVD+RW:
	CMMC, Daxon, Imation, MCC, Philips, Ricoh, Ritek, Sony
	DVD-R:
	BeAll, CMMC, DAXON, DVSN Fornex, GSC, Imation, LeadData, Maxell,
	Mitsubishi, Nanya, Pioneer, Princo, Prodisc, Ritec, Ritek, SKC, Sony,
	That’s
	DVD-RW:
	CMC, Mitsubishi, Princo Ritek
Mechanism
Pick-up	NA:	CD: 0.51
		DVD: 0.65
	Focusing:	Astigmatism
	Tracking:	CD: DPP
		DVD-ROM: DPD
		DVD+R/RW: DPP
	Wave length: CD: 785+/- 5 nm
		DVD: 650+/- 15 nm
	Output power:
	Read CD:	1.5 mw max@objective lens
	DVD: 1.0 mw max
	Write CD:	65 mw max2@objective lens
	DVD: 20 mw max
Traverse mechanism	DC Stepping motor driven
Spindle motor	DC burshless motor

24 Chapter 1