[SunRescue] SS5 upgrade

[Paolo Nenzi]

On Thu, 04 Jan 2001 22:16:59 Kevin Loch wrote:
> I think the CPU is soldered to the motherboard.  There
> are actual two pairs of jumbers on the SS5 motherboard that
> control speeds.  The one right next to the power connector
> sets the SBUS clock divisor. I've been able to get it to run
> at /3=36.6MHz but /2 always failed.

Yes the CPU is soldered, (even the 110MHz on the Axil). My idea was to
remove the one on the SS5, buy a socket and insert the faster one.


> 
> The other pair by the CPU is interesting.  I don't think it 
> sets CPU clock.  I believe it has to do with memory timing.
> Both jumbers jumped is the slowest setting, both unjumped is
> the fastest.  It is difficult to get a system to run with
> both unjumped. 

Mmh, it is a bit complicated to "overclock" the SS5.
> 

> Also, since I brought up LEO, Here's the trick I found to set the
> correct

Sorry for my ignorance, what is LEO ???


> gamma/colormap:
> 
> 1. start openwindows with 'openwin -dev /dev/fb0 defdepth 24'
> 2. leoconfig -g 1  (sets gamma to 1, it is important to do this here not
> later)
> 3. exit openwin
> 4. start openwin normally 'openwin' (you do not need to repeat steps 1-3
> unless you reboot).
> This will enable you to use the 8 bit default color depth
> (so non 24 bit applications like the window manager paint faster)
> and still have the exact gamma/appearance of the trusty 8 bit
> framebuffers.

Do you mean that I may have a leo too ?


Thanks,
Paolo