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Date: Wed, 7 Feb 2007 17:05:37 -0800
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Brian Stark" <brian.stark@onstor.com>
Subject: Re: overclockabilly
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On Wed, 7 Feb 2007 15:26:22 -0800 "Brian Stark"
<brian.stark@onstor.com> wrote:

> Andy,
> 
> Good news...what you outlined is already what we're planning to do.
> The SiByte frequency will be selectable by resistor settings, and
> we'll populate an 800MHz part on at least 1-2 boards. 

Oh cool.  But not selectable by prom command.  OK.

> As for the TXRX GigE port, sorry to say, but the 2 * FIFO
> configuration takes all the pins that the 3 * GE ports use.  I don't
> see a good way of getting around the LUC on a Bobcat.  Once I get the
> layout further along, I'll look in more detail at modifying the LUC
> Verilog.  No promises here, but to do what you want, either you're
> gonna have to support the LUC header in software or I'm gonna have to
> modify the LUC! 

Ah, haha, I didn't know that.  Backburner at best then.

Cheers,

a

> 
> Brian
> 
> 
> 
> 
> > -----Original Message-----
> > From: Andy Sharp 
> > Sent: Wednesday, February 07, 2007 12:11 PM
> > To: Brian Stark
> > Subject: overclockabilly
> > 
> > Hi Brian,
> > 
> > I would like to ask if we could make at least the first few 
> > boards or first small run of boards with the ability to 
> > overclock the GPU.  I'm really sick of the SSC moniker, but I 
> > can't think of something good to replace it with.  GCPU, GPU, 
> > GPP, none are quite right.
> > 
> > Anyway, I'd like to be able to run various performance/limit 
> > tests w/o having to have different boards.  Possibly make a 
> > board for me with an 800MHz part on it, and make it able to 
> > set the clock speed lower or higher with a prom command or a jumper?
> > 
> > I figure it's got to be a small difference or no difference, 
> > but better to ask now before we actually have any boards.
> > 
> > Cheers,
> > 
> > a
> > 
> > PS How much work would it be to connect the pins of the 
> > unused gigE port on a Bobcat TXRX directly to a MAC?  4 
> > wires?  I haven't given up on this.  I never give up.
> > 
> > 
> > 
