To add a little spice find below my findings running a AXPpci33
(233Mhz) in various CPU and Cache speed settings.

Note: The cache consists of 256kb-20ns chips which I have taken out of
old Intel based motherboards and to my supprise still work flawlessy
at 15ns.

cheerio Berndt

---------------------------- cut ---------------------------------



ID: DEC Alpha AXPpci (233 MHz, 64MB RAM, Cache 256KB-20ns), NetBSD-1.2D, gcc (hotdog.ping.net.au, -static -O2)
----------------------------------------------------------
./dry_su_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 31
This machine benchmarks at 161290 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 23
This machine benchmarks at 217391 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 23
This machine benchmarks at 217391 dhrystones/second

----------------------------------------------------------
./dry_su_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 22
This machine benchmarks at 227272 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 22
This machine benchmarks at 227272 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 23
This machine benchmarks at 217391 dhrystones/second

----------------------------------------------------------
./dry_mu_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 29
This machine benchmarks at 170998 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 29
This machine benchmarks at 171057 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 29
This machine benchmarks at 171350 dhrystones/second

----------------------------------------------------------
./dry_mu_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 29
This machine benchmarks at 172354 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 29
This machine benchmarks at 172176 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 29
This machine benchmarks at 171644 dhrystones/second


ID: DEC Alpha AXPpci (233 MHz, 64MB RAM, Cache 256KB-15ns), NetBSD-1.2D, gcc (hotdog.ping.net.au, -static -O2)
----------------------------------------------------------
./dry_su_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 22
This machine benchmarks at 227272 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 22
This machine benchmarks at 227272 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 22
This machine benchmarks at 227272 dhrystones/second

----------------------------------------------------------
./dry_su_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 22
This machine benchmarks at 227272 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 23
This machine benchmarks at 217391 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 22
This machine benchmarks at 227272 dhrystones/second

----------------------------------------------------------
./dry_mu_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 236630 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 236630 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 236742 dhrystones/second

----------------------------------------------------------
./dry_mu_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 236294 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 237079 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 236406 dhrystones/second


ID: DEC Alpha AXPpci (266 MHz, 64MB RAM, Cache 256KB-15ns), NetBSD-1.2D, gcc (hotdog.ping.net.au, -static -O2)
----------------------------------------------------------
./dry_su_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 238095 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 20
This machine benchmarks at 250000 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 20
This machine benchmarks at 250000 dhrystones/second

----------------------------------------------------------
./dry_su_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 238095 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 238095 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 21
This machine benchmarks at 238095 dhrystones/second

----------------------------------------------------------
./dry_mu_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 253292 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 253164 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 252652 dhrystones/second

----------------------------------------------------------
./dry_mu_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 253164 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 252780 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 253036 dhrystones/second


ID: DEC Alpha AXPpci (300 MHz, 64MB RAM, Cache 256KB-20ns), NetBSD-1.2D, gcc (hotdog.ping.net.au, -static -O2)
----------------------------------------------------------
./dry_su_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 18
This machine benchmarks at 277777 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 263157 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 18
This machine benchmarks at 277777 dhrystones/second

----------------------------------------------------------
./dry_su_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 263157 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 18
This machine benchmarks at 277777 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 19
This machine benchmarks at 263157 dhrystones/second

----------------------------------------------------------
./dry_mu_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 285714 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 285388 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 285225 dhrystones/second

----------------------------------------------------------
./dry_mu_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 283929 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 284414 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 285551 dhrystones/second


ID: DEC Alpha AXPpci (300 MHz, 64MB RAM, Cache 256KB-15ns), NetBSD-1.2D, gcc (hotdog.ping.net.au, -static -O2)
----------------------------------------------------------
./dry_su_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 294117 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 294117 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 294117 dhrystones/second

----------------------------------------------------------
./dry_su_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 312500 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 312500 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 17
This machine benchmarks at 294117 dhrystones/second

----------------------------------------------------------
./dry_mu_reg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 311526 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 310945 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 311332 dhrystones/second

----------------------------------------------------------
./dry_mu_noreg
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 310945 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 310173 dhrystones/second
Start timer!
Stop timer!
Dhrystone time for 5000000 passes = 16
This machine benchmarks at 310945 dhrystones/second


---------------------------- cut ---------------------------------


nm wrote
> 
> At 01:06 AM 4/23/98 -0400, you wrote:
> >Wilko Bulte wrote:
> >> <<snip>>
> >> > woowoo, i love my axppci33 (166) here... as a boon it
> >> > runs great at 200mhz as well... not that this is really much added
> >> > speed...
> >> 
> >> Indeed, works great at 200Mc here. Did not want to do 233 though ;-)
> >> 
> >
> >Now I'm curious: what jumper combination did you use to get 200Mhz? The 
> >manual shows 166Mhz and 233Mhz, but 200 is conspicous by its absence....
> 
> jumper for the axppci33 or the multia/udb?
> they are different main boards...
> 
> for the axppci33 here are the jumper settings for cpu speed:
> 
> Frequency	Pin 1-2	Pin 3-4	Pin 5-6
> ---------	-------	-------	-------
> 66		out		out		out
> 100		out		out		in
> 133		out		in		out
> 166		out		in		in
> 200		in		out		out
> 233		in		out		in
> 266		in		in		out
> 300		in		in		in
> 
> be ware what you call Pin 1-2, your motherboard
> orientation may be misleading
> 
> >> > btw, dont overclock unless you are willing to accept the
> >> > consequences!
> >> 
> >> Hm, who cares.
> >
> >I gather a fan on the alpha heat sink would help????
> >
> >Stan
> 
> in my opinion it would, but even if you could keep the
> cpu optimally cool it doesnt mean that a 166mhz cpu would
> run at 300mhz
> 
> have fun
> nick maniscalco
> nmanisca@vt.edu
> 
> 


-- 
Name	: Berndt Josef Wulf
E-Mail	: wulf@ping.net.au
Sysinfo	: DEC AXPpci33+, NetBSD-1.3