Thread View: comp.sys.amiga.tech
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Started by traynor
Wed, 30 Sep 1992 05:29
HDMem vs GigaMem for virtual memory on Amigas?
Author: traynor
Date: Wed, 30 Sep 1992 05:29
Date: Wed, 30 Sep 1992 05:29
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Hello-- Just wondering if anyone out there had tried the follwoing programs out and could review them or even tell me info on how to get one: o HDMem o GigaMem Both are programs that allow any user with AmigaDOS 2.0+ and an MMU to use virtual memory on the Amiga. I know that GigaMem is $110 at a store around here; HDMem is on Fred Fish 740 in a demo version; have no other details on it. Do they work? How easy are they to install? What features/bugs are on them? Which if either do you recommend? What is street/retail price of real HDMem? Please e-mail directly. Thank you for your responses. -Mike Traynor -- NNN NN DDDD Mike Traynor (ND '86)(Rice '93?) ||| Amiga 500 owner /// N N N D D Fermilab PO Box 500 MS 221 E683 ||| w/MMR 7 Meg DRAM /// N NN D D Batavia IL, 60510 //|\\ 190 Meg HD \\\/// NN NN DDDD (708) 879-6095 [ans. mach.] /// \\\ 14.4Kbps modem\XX/
Re: HDMem vs GigaMem for virtual memory on Amigas?
Author: Martin A. Blatter
Date: Wed, 30 Sep 1992 16:55
Date: Wed, 30 Sep 1992 16:55
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In article <1992Sep29.232952.1@fnalc.fnal.gov> traynor@fnalc.fnal.gov writes:
> o HDMem
> o GigaMem
>
>Both are programs that allow any user with AmigaDOS 2.0+ and an MMU to use
>virtual memory on the Amiga.
GigaMem is actually supposed to work on 1.3 machines too. I never
tried it myself though ;-)
>Do they work?
I can only speak of GigaMem which I'm running right now on my machine.
It works great.
>How easy are they to install?
GigaMem has an `Installer' script so it's very easy to install. It
even automatically detects and fixes incorrect DMA masks on your system.
>What features/bugs are on them?
GigaMem can manage up to 1 GB of virtual memory. It works on a
per-program basis, this means you can continue to use programs
that are incompatible with virtual memory while GigaMem is running.
You can individually set memory priorities and settings for each
program.
>NNN NN DDDD Mike Traynor (ND '86)(Rice '93?) ||| Amiga 500 owner ///
Hope that helps
--Martin
--
-------------------------------------------------------------------------
Martin A. Blatter blatter@amiga.physik.unizh.ch
Any sufficiently advanced bug is indistinguishable from a feature.
-- Rich Kulawiec
Re: HDMem vs GigaMem for virtual memory on Amigas?
Author: Chris Green
Date: Thu, 01 Oct 1992 12:20
Date: Thu, 01 Oct 1992 12:20
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In article <1992Sep30.165503.23440@ifi.unizh.ch> blatter@ifi.unizh.ch (Martin A. Blatter) writes: >GigaMem can manage up to 1 GB of virtual memory. It works on a >per-program basis, this means you can continue to use programs >that are incompatible with virtual memory while GigaMem is running. >You can individually set memory priorities and settings for each >program. > Does it work on a 2620 (68020+mmu) card? Does it work on the 040? -- *-------------------------------------------*---------------------------* |Chris Green - Graphics Software Engineer - chrisg@commodore.COM f | Commodore-Amiga - uunet!cbmvax!chrisg n |My opinions are my own, and do not - icantforgettheimpression o |necessarily represent those of my employer.- youmadeyouleftaholeinthe r |"A screaming comes across the sky..." - backofmyhead d *-------------------------------------------*---------------------------*
Re: HDMem vs GigaMem for virtual memory on Amigas?
Author: Elizabeth E Sack
Date: Thu, 01 Oct 1992 14:02
Date: Thu, 01 Oct 1992 14:02
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In article <35504@cbmvax.commodore.com> chrisg@cbmvax.commodore.com (Chris Green) writes: >> > Does it work on a 2620 (68020+mmu) card? > Does it work on the 040? >-- >*-------------------------------------------*---------------------------* >|Chris Green - Graphics Software Engineer - chrisg@commodore.COM f GigaMem currently only supports the 68020 and 68030 chips. There is a mention of 68040 compatibility in the future. Yes, the 68020 must have an MMU. You can not use 68EC030 chips, because they have no onboard MMU. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +|----------------------|+|------------------------------|+ +| |+| Studio J Video Productions |+ +| Jeff Hanna |+| PO Box 3086 |+ +| Animation Consultant |+| West Lafayette, IN 47906 |+ +| |+| (317) 743-2983 |+ +|----------------------|+|------------------------------|+ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +|-----------------|+|-----------------------------------|+ +| GEnie: J.HANNA5 |+| InterNet: sacke@gn.ecn.purdue.edu |+ +|-----------------|+|-----------------------------------|+ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Re: HDMem vs GigaMem for virtual memory on Amigas?
Author: Matija Milostnik
Date: Thu, 01 Oct 1992 15:26
Date: Thu, 01 Oct 1992 15:26
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In article <35504@cbmvax.commodore.com> chrisg@cbmvax.commodore.com (Chris Green) writes:
>In article <1992Sep30.165503.23440@ifi.unizh.ch> blatter@ifi.unizh.ch (Martin A. Blatter) writes:
>>GigaMem can manage up to 1 GB of virtual memory. It works on a
> Does it work on a 2620 (68020+mmu) card?
Yes
> Does it work on the 040?
Not (yet)
Bye
Matija
>|Chris Green - Graphics Software Engineer - chrisg@commodore.COM f
--
Best regards from Matija Milostinik : matija@avalon.ifi.unizh.ch
: matija@amiga.physik.unizh.ch
Therefore, use local labels in the procedures as often as possible.
Save the environment! Recycle! ;-) (Bjoern Reese)
Re: HDMem vs GigaMem for virtual memory on Amigas?
Author: David Jones
Date: Sat, 03 Oct 1992 01:43
Date: Sat, 03 Oct 1992 01:43
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In article <35504@cbmvax.commodore.com> chrisg@cbmvax.commodore.com (Chris Green) writes:
>In article <1992Sep30.165503.23440@ifi.unizh.ch> blatter@ifi.unizh.ch (Martin A. Blatter) writes:
>>GigaMem can manage up to 1 GB of virtual memory. It works on a
>>per-program basis, this means you can continue to use programs
>>that are incompatible with virtual memory while GigaMem is running.
>>You can individually set memory priorities and settings for each
>>program.
>>
> Does it work on a 2620 (68020+mmu) card?
> Does it work on the 040?
Does it work if I Forbid() and then page fault? Disable() and page fault?
(i.e. if my Forbid() gets broken and whatever I was trying to mutex with
the Forbid() gets un-mutexed, then it don't work.)
I've heard of GigaMem, but I'd be interested in seeing exactly what
restrictions are placed on programmers because of it. I am writing a
shared library, and I don't want to deny appliction programmers use of
my library if they want to use GigaMem.
--
David Jones, 6730 Tooney Drive, Orleans, Ontario K1C 6R4 CANADA
email: dej@qpoint.ocunix.on.ca Fido: 1:163/109.8
AMIGA: Advanced Multimedia with Interactive Graphics and Audio
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