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- Newsgroups: comp.sys.amiga.misc
- Path: thor.cf.ac.uk!scm3ket
- From: K.E.W.Thacker@cs.cf.ac.uk (K E W Thacker)
- Subject: Re: A1200 loading trouble
- Sender: news@cf.ac.uk (USENET News System)
- Message-ID: <DMnyr5.2FG@cf.ac.uk>
- Date: Mon, 12 Feb 1996 12:59:29 GMT
- X-Nntp-Posting-Host: lanval.cs.cf.ac.uk
- References: <311bd92c@karkis.canit.se>
- Organization: Dept of Computer Science, Univ of Wales, CARDIFF
-
- In article <311bd92c@karkis.canit.se>, christian.malmlow@karkis.canit.se (Christian Malmlow) writes:
- |> [loading problems info cut]
- |> So if anyone could describe for me the hardware difference (which I assume is
- |> the reason for the loading trouble) between the Chinon drive used in my A500
- |> and the Panasonic one in my A1200, I would appreciate it a lot.
- Quite simply the drive is the same as used in any PC. They do not have a READY
- signal. This is used by the drive to tell the Amiga it is ready to read
- or write data (basically the drive motor is rotating at full speed).
-
- There are two approaches to test if the drive is ready which was documented
- by Commodore. Either wait for READY line or wait for half a second.
-
- Now trackdisk.device waits for half a second before sending data. But
- many trackloaders actually wait for the ready line. And since it is not
- present on the new drives, the programs do not load.
-
- This is the only difference. If only AT had kept to the original Commodore
- specs everything would be fine.
-
- You should be able to solve this by replacing the drive and the drive
- lead connecting it to the motherboard.
-
- Kev
-
- --
- K.E.W.Thacker@cs.cf.ac.uk
-
- Unofficial Amstrad WWW Resource:
- http://www.cs.cf.ac.uk/User/K.E.W.Thacker/Amstrad/index.html
-
- Author of A-CPC (Amstrad emulator for Amiga):
- ftp: Aminet: /pub/misc/emu/acpc_dem.lha
- --
-