Path: utzoo!mnetor!uunet!seismo!sundc!pitstop!sun!decwrl!hplabs!sdcrdcf!trwrb!cadovax!gryphon!crash!maddie
From: maddie@crash.cts.com (Tom Schenck)
Newsgroups: comp.sys.apple
Subject: Re: 256K on Transwarp
Message-ID: <2899@crash.cts.com>
Date: 30 Apr 88 18:45:17 GMT
References: <2685@pasteur.Berkeley.Edu> <64800046@convexe>
Reply-To: maddie@crash.CTS.COM (Tom Schenck)
Organization: Crash TS, El Cajon, CA
Lines: 25

In article <64800046@convexe> buyse@convexe.UUCP writes:
>
>16K of the upper 128K of the Transwarp is used to copy in the Apple ROMs.
>That way your Applesoft will run at full speed, too.  As for the rest of
>the RAM, I agree that I have not found a way to get to it.
>
>-Russell Buyse.
>UUCP: {allegra,ihnp4,uiucdcs,ctvax}!convex!buyse


 Well, first of all, I belive that the Transwarp is addressed in the same wa
 as the RamFactor boards, you just have 256k to work with. This might just be
 when it is disabled, however, and I have not have much of a chance to play
 with the Transwarp other than a two-week trial (in which it performed quite
 well).
 Secondly, the Apple ROMS take only 12k. D000-FFFF accounts for only 12k of
 memory. The extra 4k of the 16k RAM cards is bankswitched in at D000-DFFF.
 There MIGHT be a reserved section from C000-CFFF on the transwarp, because
 this section is used for addressing space for the 7 usable slots on the Apple

-- 
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