| From: | Greg Tallent |
| Date: | 13 Jun 2000 at 21:10:55 |
| Subject: | Re: Oddities with MTec 020i in A2000 with OS3.1/3.5 |
Back on 12-Jun-00 21:34:55 Alan W. Rateliff, II forager@talstar.com Wrote:
> On 12-Jun-00, Greg Tallent said something totally profound about Re:
> [amigaOS3_5] Oddities with MTec 020i in A2000 with OS3.1/3.5 that made me
> ponder...
GT>> There is a solution to use the GVP and the memory on the M-Tec at the
GT>> same time, just add the following line to your Startup-Sequence BEFORE
GT>> the M-Tec software:
GT>>
GT>> C:GvpScsiCtrl dmarange 0 0x5fffff
> ---
GT>> To use it to add the 32 bit memory(assuming you have a 4 Meg 32 Bit SIMM
GT>> in it) add this line AFTER the GvpScsiCtrl one:
GT>>
GT>> AddMem 00600000H 009FFFFFH 32bit LOCAL Priority 5
> INCREDIBLY useful information. Would it be possible to allow all 8MB of RAM
> on the GVP card to remain active and map the 32bit RAM in addition, to allow
> for 12MB of RAM? IIRC, the 8MB of RAM occupies all of the available Zorro
> II space, so will the MTec map outside that space?
No. the M-Tec 020 is an EC CPU which means that it uses 24 bit addressing
for it's memory, which means it will only map to Zorro II space.
I suppose that the CPU could be replaced with a full 020 but I suspect that
the board will still map the memory to the 8 Meg autoconfig space.
As for the solutions I presented, i'm not the kind of person to take "No, it
doesn't work" for an answer. :)
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