Date: Thu, 17 Sep 1998 22:12:29 -0700 From: Gryphenne <dionn@spiritone.com> To: Donald Burr <dburr@pobox.com> Cc: Joe McGuckin <joe@monk.via.net>, hardware@FreeBSD.ORG Subject: Re: which cd writer to buy? (FYI, on reading CD-RW) Message-ID: <3601EBBD.505C36CB@spiritone.com> References: <XFMail.980916190053.dburr@pobox.com>
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On Wed, 16 Sep 1998 at 19:00:53 -0700 (PDT), Donald Burr wrote: > . . . They do > use a different type of media and a different recording format, which > (I've heard that) some CD-ROM drives and audio CD players cannot read > successfully; whereas, with CD-Recordables, I've never had a problem > reading any of my data or audio disks on any of the players/drives I own > (and I have quite a few older units). You are correct, Donald. CD-RW media reflects less light than CDRs and normal CDs. In order for a driver/player to read CD-RW media, they have to have an amplifier to increase the light output. Otherwise the reflected light levels are often too low to generate an adequate electrical signal. Most newer drives and high-quality players come with such amplifiers. Drives that do have them are usually labeled as being able to read CD-RW. The low-reflectivity problem may also occur with cheap CDR media (e.g., the green-tinted ones). Any comments? -- Eld Gryphenne Kira Cassandrah, BFH, WSIAMB, President of the Foundation Custom PC Design, Tech Support and High-Bandwidth Internet Services "If we couldn't laugh we would all go insane" - Jimmy Buffet The Heretic of Ages has come, will you be reborn? Proverbs 1:20-33, 8 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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