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Article #11258

Re: Compaq's Proposed Scalable I/O Architecture

#11258
From: Keith Smith
Date: Sun, 20 Dec 1992 21:53
40 lines
2290 bytes
In article <1992Dec18.031032.7378@netcom.com> nagle@netcom.com (John Nagle) writes:
>     A few questions:
>
>     - Presumably there is a card form-factor and connector defined for
>       this standard.  Could you say more about that?

Please do. The lego-maniac desires to know :)

>
>     - Similarly, there is presumably an inter-box cable and connector
>       defined, or will be.  Comments?  Incidentally, are the signals
>       differential-drive, or do we have to worry about common-mode noise
>       and grounding?  And do peripheral devices get to draw power from
>       the big box over this interface?

I think a totally seperate power bus would be in order.  Also I would
like to see a big time specification for the connectors, High
reliability, gold plated, multiple wiping.  25 pins with interleaved
grounds for the data bus,  maybe a 10-15 pin seperate power bus.

>     - Given that Microsoft's NT supports multiprocessors (16 CPUs have
>       been demonstrated) and Compaq's position as a high-end vendor for
>       Microsoft-compatible iron, I'm suprised that Compaq is proposing an
>       I/O architecture that is single-CPU oriented.  Why?

Why do you say this is Single CPU?

>
>     - Another likely multiprocessor application appears in laptop-type
>       "docking stations", where the laptop plugs into a desktop machine.
>       Is this bus suitable for that application?
>
>					John Nagle

And the lego-maniac says, yes please,, let me plug a cord from my laptop
into the end of the last cube on my system & keep on trucking.
-- 
Keith Smith          uunet!ksmith!keith            5719 Archer Rd.
Digital Designs      BBS 1-919-423-4216            Hope Mills, NC 28348-2201
Somewhere in the Styx of North Carolina ...
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Message-ID: <1992Dec20.215332.13816@ksmith.uucp>
Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!spool.mu.edu!yale.edu!ira.uka.de!math.fu-berlin.de!gator!rde!ksmith!keith
References: <1992Dec11.231814.13317@twisto.eng.hou.compaq.com> <1992Dec18.031032.7378@netcom.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!spool.mu.edu!yale.edu!ira.uka.de!math.fu-berlin.de!gator!rde!ksmith!keith
From: keith@ksmith.uucp (Keith Smith)
Newsgroups: comp.arch
Subject: Re: Compaq's Proposed Scalable I/O Architecture
Message-ID: <1992Dec20.215332.13816@ksmith.uucp>
Date: 20 Dec 92 21:53:32 GMT
References: <1992Dec11.231814.13317@twisto.eng.hou.compaq.com> <1992Dec18.031032.7378@netcom.com>
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Organization: Keith's Computer, Hope Mills, NC
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