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Re: rtVAX300 .. adding an CPU Type..
On Fri, Jan 4, 2013 at 12:30 AM, Holm Tiffe <holm%freibergnet.de@localhost>
> Dave McGuire wrote:
>> On 01/03/2013 06:06 PM, Matt Thomas wrote:
>> >> As some of you already know I'm fiddeling around with an ISA Board
>> >> in a PC that has an rtVAX 300 CPU on it.
>> > The primary difference between the rtVAX and normal VAX is that the
>> > rtVAX requires the process page table pointers (and, hence, page
>> > table) to use physical address rather than system addresses.
>> > This means all the process page tables have to be physically
>> > contiguous (as opposed to virtually contiguous). Given the rapid
>> > fragmentation of physical memory, this makes new process creation
>> > difficult since there will rarely be enough physically contiguous
>> > memory available for the new process' page tables.
>> Not the rtVAX-300. The -300 is a little module with a bog-standard
>> CVAX chip, an SGEC, and some flash chips for a bootstrap on it.
>> Here's one, socketed, on a 6U VME board:
>> Dave McGuire, AK4HZ
>> New Kensington, PA
> He Matt we already clarified this :-)
> ...the rtVAX has nothing todo with robotron at al..
> Technik Service u. Handel Tiffe, www.tsht.de, Holm Tiffe,
> Freiberger Straße 42, 09600 Oberschöna, USt-Id: DE253710583
> www.tsht.de, info%tsht.de@localhost, Fax +49 3731 74200, Mobil: 0172 8790
What is three of? Your site tells me it is not at home.
Dave? Why are four yeti playing "scream and leap poker"? in your dining area?
Gregg C Levine gregg.drwho8%gmail.com@localhost
"This signature fought the Time Wars, time and again."
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