Subject: Re: MRG, ADB, serial console vs. PRAM time
To: Steven Carlson <stevec@accessone.com>
From: Calvin <diavolo@azure.engin.umich.edu>
List: port-mac68k
Date: 06/20/1996 16:57:49
On Thu, 20 Jun 1996, Steven Carlson wrote:
> >The fuses you name are 0.5 A, and people even power 2.5" HDs with ADB
> >current. The HD motor does surely suck more peak current when starting up
> >than any kbd or mouse ever will.
>
> I've never heard about this. The ADB is way too slow to access a HD
> with. I've heard of (very slow) ADB modems though. One of the Apple TNs
> does say ADB devices can only use very little current. (Can't rememver
> amount, sorry)
The ADB operates at 300 bytes/sec i think. But he didn't say the hard
drive was on the desktop bus. he said the hard disk was powered OFF the
bus current. WHich is different.
--
?>\ / \ / / \o \o> The bright sun was extinguish'd, and the stars
/| --o | o-- |\ | Did wander darkling in the eternal space,
// / \ /o\ / |\ \\ / | Rayless, and pathless, and the icy earth
""""""""""""""""""""""" Swung blind and blackening in the moonless air;