home *** CD-ROM | disk | FTP | other *** search
- Path: news.netspace.net.au!usenet
- From: astroboy@netspace.net.au (Paul Dossett)
- Newsgroups: comp.sys.amiga.misc
- Subject: Re: A4000 HD Drive, I was wrong AT! NOT !!
- Date: 19 Feb 1996 05:02:17 GMT
- Organization: NetSpace Online Systems
- Message-ID: <2036.6622T1276T1299@netspace.net.au>
- References: <4ej2ve$pul@coranto.ucs.mun.ca> <4enarpINNnfj@maz4.sma.ch>
- <2539.6617T962T704@globalxs.nl> <4froap$5fg@natasha.rmii.com> <4g0ph3$tv5@coranto.ucs.mun.ca>
- NNTP-Posting-Host: dialup-a2-28.mel.netspace.net.au
- X-Newsreader: THOR 2.22 (Amiga;TCP/IP) *UNREGISTERED*
-
- George Noel (gnoel@morgan.ucs.mun.ca) said:
- >In article <4froap$5fg@natasha.rmii.com>,
- >Maxwell Daymon <mdaymon@rainbow.rmii.com> wrote:
-
- >>If the floppy controller in the Amiga could take data at 500kb/s, we
- >>could use any old PC HD drive and get our full 1760k from each disk.
- >>
- >>: It must be possible to make a PC 1.44MB Drive read and write Amiga 1.76MB
- >>
- >>It's all in the controller. The drives that came with the Amiga
- >>originally were standard PC drives with a diskchange line.
-
- >Then why is everyone complaining about the price if the drives were the
- >same? What was so different about the drives that made them more
- >expensive or was the controller driving the price up?
-
- He's talking about the original DD floppy drives. HD drives either spin at
- half the speed or have buffering circuitry.
-
- >>: Using 1.44MB drives and floppies as the standard Amiga drives and floppies
- >>: just because they're cheaper is a stupid thing to say !
- >>
- >>Rather, you should investigate further. It's NOT the drive, it's the
- >>CONTROLLER. Not only that, there ARE PC controllers that can handle the
-
- >Then I certainly hope they do not plan on changing the "controler" to
- >allow for a less disk space/cheaper price.
-
- Stop going on about less disk space! It's got nothing to do with it. Do you
- understand how the Amigas filesystem works?
-
- >>No. The Amiga could handle at best 400kb/s and a normal HD drive demands
- >>500kb/s. The solution was to make a custom drive based on a normal HD
- >>drive that reads and writes data at half the speed (the same speed as a
- >>DD drive). The Amiga HD drive was born.
-
- >So this "half the speed" ability added to the drive made it cost more
- >but if Paula was modified to read data at 500kb/s we could use the same PC
- >drive but get the same performance?
-
- Yes and yes.
-
-
- --
- Paul Dossett | Yamaha, Epiphone, Pearl, Paiste | Amiga 2000/040/21/365/3.1 __
- -------------| RASTER Bubble Bobble betatester | Amiga CD32/020/2/CD/3.1__///
- boo! : astroboy@netspace.net.au.. | '76 Toyota Corolla 1.2 \XX/
-
-