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- Newsgroups: comp.sys.atari.st.tech
- Path: sparky!uunet!cs.utexas.edu!qt.cs.utexas.edu!yale.edu!yale!mintaka.lcs.mit.edu!kropotkin.gnu.ai.mit.edu!entropy
- From: entropy@gnu.ai.mit.edu (maximum entropy)
- Subject: Coexisting hard drives
- Message-ID: <ENTROPY.93Jan21074718@kropotkin.gnu.ai.mit.edu>
- Sender: news@mintaka.lcs.mit.edu
- Organization: Not Proud Programmers
- Date: Thu, 21 Jan 1993 12:47:18 GMT
- Lines: 37
-
- OK, I finally bit the bullet and ordered a Toadfile '91 Magnum
- removable HD system. I've got a few questions so I know what to
- expect when it arrives.
-
- I've currently got a Megafile 30 with a Seagate 60 meg mechanism in
- it.
-
- I'd like to hook up my system so that it continues to boot off the
- Megafile as drive C, since I will be using several different carts in
- the Toadfile (source code, apps, backups, will be on separate carts).
-
- The Megafile currently boots with AHDI 3.01. I'd like to run it with
- the ICD software instead, so I plan to boot with the Toadfile, copy
- the contents of the Megafile onto a cartridge, format the Megafile
- with ICD software, copy everything back to the Megafile, and then
- reconnect the Megafile as the boot device. (Am I correct that the
- first device in the DMA daisy chain is the boot hard disk?) The
- question is, will my AHDI-formatted Megafile be accessible while I'm
- running the ICD boot software, or will I have to do a backup/restore
- to floppy to get everything copied over?
-
- Also, will I have to diddle any switches to hook up both drives at the
- same time, or does the DMA bus automagically figure things out from
- the order in which they are cabled to the machine? Will I still be
- able to access the ICD adapter's internal clock if the ICD adapter is
- second in the chain?
-
- Thanks,
- entropy
-
- p.s. mail or news replies equally OK with me
-
- --
- entropy@gnu.ai.mit.edu
- entropy. . .it's not just a good idea, it's the second law.
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