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

Page 33
Image 33
Acer 1520 manual Low Speed CD-RW, High Speed CD-RW, Ultra Speed CD-RW

1520 specifications

The Acer 1520 is a noteworthy addition to the lineup of mid-range laptops, designed primarily for users seeking reliable performance for everyday computing tasks. This laptop strikes a balance between performance, portability, and affordability, making it an excellent choice for students, professionals, and casual users alike.

One of the standout features of the Acer 1520 is its display. With a 15.6-inch screen, it boasts a Full HD resolution that delivers sharp and vibrant visuals. The anti-glare coating further enhances the viewing experience by reducing reflections, making it suitable for various lighting conditions. Whether you're working on spreadsheets, watching movies, or browsing the web, the display offers an immersive experience.

Under the hood, the Acer 1520 is powered by the latest Intel Core processors, providing ample power for multitasking and demanding applications. Coupled with up to 16GB of RAM, users can run multiple applications smoothly without experiencing lag. This makes it ideal for users who require a machine that can handle everything from basic tasks to more resource-intensive operations like photo and video editing.

Storage options in the Acer 1520 include both traditional HDDs and faster SSDs. This flexibility allows users to choose between larger storage capacities at a lower cost or faster performance with reduced load times. Furthermore, the laptop supports additional storage options through USB ports, including USB 3.0, which enables quick file transfers.

The design of the Acer 1520 is user-friendly, featuring a chiclet keyboard that enhances typing comfort and precision. The touchpad is responsive and supports multi-touch gestures, making navigation intuitive. Additionally, the ergonomic design contributes to a comfortable user experience over extended periods.

Connectivity is another strong point of the Acer 1520. It comes with a variety of ports, including HDMI, USB-C, and an audio jack, allowing for easy connection to external devices like monitors, projectors, and audio systems. The inclusion of Wi-Fi 6 technology ensures that users enjoy faster internet speeds and a more stable connection, which is particularly beneficial for streaming and online gaming.

In summary, the Acer 1520 is a versatile laptop that delivers solid performance, a vibrant display, and a range of connectivity options, making it a great option for anyone in search of a dependable computing device for daily use. Its combination of features, performance, and value positions it well in the competitive laptop market, catering to a diverse set of requirements.