Re: Just my 2 penny worth..

[Julian Reschke-FJR010 <Julian_Reschke-FJR010@email.mot.com>]

q-funk@megacom.net%INTERNET wrote:

> NOTE:  The TT allows direct access to TT-Ram using DMA, so Steve's
>        idea that HD-drivers should be able to perform faster on
>        the TT is correct (this only works on the SCSI bus, however;

Yes. Believe me that Uwe Seimet, Steffen Engel and Hans-Dieter 
Jankowski know that (HDDRIVER, CBHD, HuSHI). However, 1,9 MB/sec
*is* the limit.

>        ACSI is still blocking non-DMA, AFAIK).

ACSI has DMA as well, but is limited to ST RAM.

>        The Falcon is far more limited over this aspect, as it's 100%
>        ST-ram based. ask Sven or Uwe Seimet, there's been plenty of
>        details about this, over this mailing list and on newsgroups.

The SCSI DMA in the Falcon is basically the old ACSI DMA, so it's
limited to ST RAM.

Regards, jr