Fwd: Re: 1U P4 Systems - holes
Kevin Facinelli
ksfacinelli at yahoo.com
Wed May 23 13:59:05 PDT 2001
> Alvin...
>
> I just wanted to make you aware of a the new 1U
> chassis made by Crystal Group Inc. First, it is
> expensive, that said, it does have many nice
> features.
>
> It has three blowers that are designed to perform
> well
> under high static pressure (4x the efficiency of
> standard fans). This allows the case to cool very
> efficiently. It also utilizes a CPU Card instead of
> a
> backplane allowing two full length expansion cards.
>
> The CPU card technology can range from simple PIII
> to
> highly integrated dual PIII with on board dual
> eathernet, SCSI and VGA.
>
> take a look....it is designed very well:
>
> http://www.crystalpc.com/products/roservers.asp
>
> Kevin
>
> --- alvin at Mail.Linux-Consulting.com wrote:
> >
> > hi Robert
> >
> > the $50 1U case off the shelf...
> > - you have to drill all holes for motehrboard,
> > powersupply etc
> > and the metal it uses is like paper... (
> extremely
> > thin
> >
> > the average off the shelf 1U case is about $250...
> > - one fd, one hd, one cdrom...--or--
> > - 2 5.25" bays w/ floppy
> >
> > our chassis is a range... 2 drives up to 8
> drives...
> >
> > All 1U chassis suffer from:
> > - room only one pci card
> > - atx connectors on the back of the motherboard
> has
> > to be
> > the Intel CA810EAL/D815EAL style...
> > - NOT the dual NIC supermicro motherboards
> > - except if you buy the 1U from supermicro
> > themself
> >
> > For a list of all the 1U vendors...
> > http://www.Linux-1U.net/1U_Others
> >
> > have fun
> > alvin
> >
> >
> > > Ah. I may have misunderstood. I interpreted
> "off
> > the shelf 1U
> > > enclosures" to mean equipped with a power supply
> > and compartmentalized
> > > for installation, just like an off the shelf
> case
> > or the $200 off the
> > > shelf 1U enclosure sold by case vendors. I also
> > interpreted the
> > > "mounting holes" to be just the rack mounting
> > holes, not all the holes
> > > into which things are to be fastened in the
> > completely empty case.
> > >
> > > With that much hassle I might as well go with a
> > filing cabinet design or
> > > buy off the shelf tower cases, take them apart,
> > and remount the
> > > motherboard tray, drive cage, and power supply
> on
> > shelving.
> > >
> > > My main whine is that one shouldn't have to do
> all
> > this handiwork to
> > > build systems in racks when it is so much easier
> > to do it in an assembly
> > > line. Case vendor margins on rackmount cases
> must
> > be huge, because I
> > > cannot believe that there is THAT much economy
> of
> > scale in the
> > > manufacturing process.
> > >
> > > I'll shut up now and just live with it.
> > >
> >
> >
> > _______________________________________________
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>
>
> =====
> Kevin Facinelli
> www.colosource.com
> webmaster at colosource.com
>
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=====
Kevin Facinelli
www.colosource.com
webmaster at colosource.com
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