bhenning@bhami.vnet.van-bc.UUCP (Bill Henning) (04/05/89)
Hello.
I am about to assemble a Lucas board for my A1000. I will be making the
"keep the 68000" modification to it, and I will terminate the bus (on my
WEDGE). I would appreciate any and all pointers from those of you who have
built Lucas boards, either on the net, or as e-mail.
I would also appreciate any and all news of the thirty-two bit memory
daughterboard Brad is making - how long before it is ready, etc, as I'd like
to add one to my system (with, say, 2Mb of thirty-two bit ram on it).
With any luck I'll be assembling/installing it this weekend. I am planning
to try three oscillators - 12Mhz, 16Mhz, and 20Mhz, and I'll lay in a good
stock of LS, ALS, etc. 74xx parts for swapping. I hope to run at 20Mhz.
In order to justify the cross-post to .tech, and because I deem it to be of
general interest, I am including the results of some benchmarks I ran on a
20Mhz Lucas, a 14.32Mhz A2620, and my A1000.
A1000 Lucas A2620
fill 8.02 3.96 2.03 (fill a 400x400 integer array with a value)
sort 16.98 7.02 5.00 (sort 1000 integers, worst case bubble sort)
sieve 65.99 12.97 16.98 (sieve of Erosthanes, 1..262000, bit flags)
(A group in our club ordered thirteen Lucas's from Brad)
...Bill
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##############################################################################phoenix@ms.uky.edu (R'ykandar Korra'ti) (04/06/89)
Greetings, all;
(My first netpost - apologies in advance for any breaches of protocall.)
About the aformentioned Lucas modification for the Amiga 1000; I have two
questions. One; what is the nature of this modification? Is it a commercial
kit, or publically available plans? Two; is it available for the Amiga 500?
(Can'na afford a 2000 - c'est la vie).
Thanks in advance...
- R'ykandar.
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