Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!sun-barr!sun!imagen!atari!portal!cup.portal.com!morris-ng
From: morris-ng@cup.portal.com (Yuklung Morris Ng)
Newsgroups: comp.sys.amiga
Subject: Re: HardFrame problems
Message-ID: <19399@cup.portal.com>
Date: 12 Jun 89 22:51:10 GMT
References: <2868@shlump.dec.com>
Organization: The Portal System (TM)
Lines: 28

HardFrame jumpers:
 
1. LED;
2. Autoboot (when set)
3. TIMEOUT (when set (default), 30 seconds timeout, otherwise 5 minutes for
   the drive to starts;
   Also, when this jumper isn't set, DEBUG mode activated;
4. & 5.  ID# for the HF if you have more than one HardFrame (both set in
	 default, ID# = 7);
 
Also it means drive like Seagate which want to warm up the drive before talking
to the HardFrame can be use and autobootable.
 
My experience is the drive doesn't slow down a lot when an overscan image on
screen. It does slow down a little bit though.  My old OverDrive slow down and
it slows down the serial port transfering, but not the HardFrame.
And it gets on board buffering to speed up preformance.  As AmigaWorld, the 
HardFrame is what a true SCSI DMA host adaptor should be.
 
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