Re: TWGS Upgrade Availability?

[supertimer@aol.com (Supertimer)]

TWS <adoyson@nccn.net> wrote:

>Supertimer wrote:
>
>> alanjhunt@DIE_SPAMMERSworldnet.att.net (Alan J. Hunt) wrote:
>>
>> >supertimer@aol.com (Supertimer) wrote:
>> >>
>> >>spec@vax2.concordia.ca (Mitchell Spector) wrote:
>> >>>    No, not exactly. Without the TWGS-2B GAL, the TransWarp GS is
>> >>>not DMA compatible at all. Adding the chip *attempts* change that,
>> >>>but you end up with flakely DMA compatibility at best.
>> >>
>> >>Not quite.  You have a RamFAST revision C, right?  Although I no
>> >>longer have a RamFAST, I still have a revision D manual.  On page
>> >>25, it says what you describe, but ONLY applicable to the revision C
>> >>card.  The revision D card should work with either the 2A or 2B
>> >>GALs.  The Apple High Speed SCSI card could always work DMA
>> >>magic with any TransWarp.
>> >>
>> >I have not been able to get my RamFast card to work with the TWGS, at all. 
I
>> >have the rev. D version as well.  If you (or anyone) know of a way of
>> >overcoming this issue, I'd be really grateful for some guidance.  Cause as
far
>>
>> >as I can tell, the page from the RamFast manual that Supertimer is quoting,
is
>>
>> >wrong.
>>
>> Thanks for the info.  As you can see, I've been basing my suppositions
>> on the RamFAST manual as I no longer own the actual card.
>>
>> But just looking at the manual, the RamFAST looks like a landmine of
>> compatibility problems.  Problems with software such as Twilight and
>> Mr. Apple.  Problems with hardware like RamKeeper and TWGS.
>> Problems with some Zip GS cards even.
>>
>> >I also have an Apple HS SCSI card.  That one definitely works.
>>
>> This is the SCSI card I have and it definitely works with 2A, so it is
>> NOT a DMA problem per se.  Rather, it is a compatibility problem
>> SPECIFICALLY with the RamFAST.
>>
>> Actually, if it were not for the speed, the Apple HS SCSI card
>> is so much better and logical than the RamFAST that it is not funny.
>
>So, is the RAMFast faster than an Apple High Speed SCSI?  (when installed in a
>TRANSWARPED IIgs that cannot do DMA)

On those TWGS cards that can't support DMA on a RamFAST, the
Apple High Speed SCSI will be faster because the Apple card supports
DMA on ALL TWGS cards.

Frankly, when RamFAST and TWGS conflict, it is the RamFAST's fault.
Why else would the Apple HS SCSI not be affected?