1 INFO-VAX	Mon, 27 Nov 2000	Volume 2000 : Issue 662       Contents:( Re: Compaq Linux (RedHat or SCO/Caldera)" Difference between Q22 and Unibus.& Re: Difference between Q22 and Unibus.& Re: Difference between Q22 and Unibus.& Re: Difference between Q22 and Unibus.& Re: Difference between Q22 and Unibus.. If yer lookin for a good pay site go here !!!!8 Re: MUSTANG (AlphaStation 200/2/100) Won't boot VMS E7.3 Re: Performance problems- Problems with a DECBridge 90 - not forwarding  Q22-bus programming . Re: Severity of eBay's ecache problem detailed Re: Sun "uptime" belly laugher  F ----------------------------------------------------------------------  % Date: Sun, 26 Nov 2000 10:53:01 -0600 7 From: "David J. Dachtera" <djesys.nospam@earthlink.net> 1 Subject: Re: Compaq Linux (RedHat or SCO/Caldera) - Message-ID: <3A213FED.845E8249@earthlink.net>    Keith Brown wrote: > , > fabio_compaq@ep-bc.petrobras.com.br wrote: > > E > > Do you know if Compaq decided what will be the "Official Linux" ? K > > At Compaq homepage theres a promotion of preinstalled RedHat on DL360, 2 > > but Compaq is a long term partner of SCO . . . > >  > > Click here > >  > > For RedHat > > B > > http://www.directplus.compaq.com/html/redhatlinux7_launch.html > >  > > For SCO/Caldera  > > L > > http://news.cnet.com/news/0-1003-200-3730654.html?tag=st.ne.1002.bgif.ni > H > Try also http://www.linux-mandrake.com/    The best Linux distribution  > Yes! Been there, done that! Not perfect, but none of them are.  H *VERY* recommendable. When Koffice is done, could be a potential Windows killer.    --   David J. Dachtera  dba DJE Systems  http://www.djesys.com/  : Unofficial Affordable OpenVMS Home Page and Message Board: http://www.djesys.com/vms/soho/   F This *IS* an OpenVMS-related newsgroup. So, a certain bias in postings is to be expected.  @ Feel free to exercise your rights of free speech and expression.  F However, attacks against individual posters, or groups of posters, are strongly discouraged.    ------------------------------  # Date: Sun, 26 Nov 2000 21:33:18 GMT 0 From: Timothy Stark <sword7@grace.speakeasy.org>+ Subject: Difference between Q22 and Unibus. 6 Message-ID: <xkfU5.4365$IP1.186280@news1.giganews.com>   Hello folks:  J I have a question for you.  I read my VAX archit handbook and noticed thatB there are two different controllers - Q22-Bus and Unibus.  What isE difference between them?  Are Unibus devices compitable with Q22-Bus?   
 Thank you!   -- Tim Stark   --  , Timothy Stark	<><	Inet: sword7@speakeasy.orgJ --------------------------------------------------------------------------F "For God so loved the world, that he gave his only begotten Son, that H whosoever believeth in him should not perish, but have everlasting life.. Amen." -- John 3:16 (King James Version Bible)   ------------------------------  % Date: Sun, 26 Nov 2000 22:50:54 +0100 > From: "Jean-Franois Marchal" <jean-francois.marchal@x9000.fr>/ Subject: Re: Difference between Q22 and Unibus. . Message-ID: <8vs0cq$cre$1@reader1.imaginet.fr>  , Q22 is Q-bus, an evolution of the 18bit Qbus> IIRC, Unibus cards are hex cards, while Qbus are dual or quad.L I think unibus was a synchronous bus, while Qbus is asynchronous (not sure).B Anyway, the bus wiring isdifferent, so you cannot mix controllers.H There used to be adaptors adding another type of bus to the original oneD of the systems, butwhey were thrd party and probably "not supported"   Jean-Franois Marchal  X9000 - LYON (FR)     = "Timothy Stark" <sword7@grace.speakeasy.org> wrote in message 0 news:xkfU5.4365$IP1.186280@news1.giganews.com... > Hello folks: > L > I have a question for you.  I read my VAX archit handbook and noticed thatD > there are two different controllers - Q22-Bus and Unibus.  What isG > difference between them?  Are Unibus devices compitable with Q22-Bus?  >  > Thank you! >  > -- Tim Stark >  > --. > Timothy Stark <>< Inet: sword7@speakeasy.orgL > --------------------------------------------------------------------------G > "For God so loved the world, that he gave his only begotten Son, that J > whosoever believeth in him should not perish, but have everlasting life.0 > Amen." -- John 3:16 (King James Version Bible)   ------------------------------  # Date: Sun, 26 Nov 2000 21:54:51 GMT % From: hg/jb <shsrms@bellatlantic.net> / Subject: Re: Difference between Q22 and Unibus. 0 Message-ID: <3A21881E.E58F38B0@bellatlantic.net>   Timothy Stark wrote: >  > Hello folks: > L > I have a question for you.  I read my VAX archit handbook and noticed thatD > there are two different controllers - Q22-Bus and Unibus.  What isG > difference between them?  Are Unibus devices compitable with Q22-Bus?  >  > Thank you! >  > -- Tim Stark >  > --4 > Timothy Stark   <><     Inet: sword7@speakeasy.orgL > --------------------------------------------------------------------------G > "For God so loved the world, that he gave his only begotten Son, that J > whosoever believeth in him should not perish, but have everlasting life.0 > Amen." -- John 3:16 (King James Version Bible)  B there are a number of Q22 and Unibus devices that are "compatible"9 at the software level, DHV emulates/appears to be DH, DZV : appears to be DZ, and so on.  Some Unibus and Qbus devices are compatible.   ? There are differences in electrical and timing functions of the E unibus and qbus - Unibus is asynchronous, qbus is really synchronous.    ------------------------------  % Date: Sun, 26 Nov 2000 17:06:21 -0500 / From: "Joseph B. Gurman" <gurman@gsfc.nasa.gov> / Subject: Re: Difference between Q22 and Unibus. = Message-ID: <gurman-C8514F.17062126112000@news.gsfc.nasa.gov>   1 In article <3A21881E.E58F38B0@bellatlantic.net>,   shsrms@bellatlantic.net wrote:   > Timothy Stark wrote: > >  > > Hello folks: > > J > > I have a question for you.  I read my VAX archit handbook and noticed  > > thatF > > there are two different controllers - Q22-Bus and Unibus.  What isI > > difference between them?  Are Unibus devices compitable with Q22-Bus?  >  [snip] > D > there are a number of Q22 and Unibus devices that are "compatible"; > at the software level, DHV emulates/appears to be DH, DZV < > appears to be DZ, and so on.  Some Unibus and Qbus devices > are compatible.  > A > There are differences in electrical and timing functions of the F > unibus and qbus - Unibus is asynchronous, qbus is really synchronous  D     At the risk of being thought non-serious, the first answer that 8 leapt to mind was, "The frequency of bloodied knuckles."  G     In effect, machines that had the "microVAX" label tended to have Q  H buses (if any) and "VAX" machines, the Unibus. Both were holdovers from 	 PDP days.   	     FWIW,                      Joe Gurman   --  C | Joseph B. Gurman, NASA Goddard Space Flight Center, Solar Physics > | Branch, Greenbelt MD 20771 USA / Federal employees are still@ | prohibited from holding opinions while at work. Therefore, any1 | opinions expressed herein are  somebody else's.    ------------------------------  # Date: Sun, 26 Nov 2000 23:28:56 GMT % From: hg/jb <shsrms@bellatlantic.net> / Subject: Re: Difference between Q22 and Unibus. 0 Message-ID: <3A219E28.DC2D60B1@bellatlantic.net>   "Jean-Franois Marchal" wrote: > . > Q22 is Q-bus, an evolution of the 18bit Qbus@ > IIRC, Unibus cards are hex cards, while Qbus are dual or quad.> Qbus is two sets of fingers wide.  You can put in dual height,A or quad height cards (two sets of fingers, four sets of fingers). D Unibus is really just two sets of fingers/less than 88 or so signals@ I would haveto dig out my unibus manual to recall and I am sure  that someone will pipe in here. @ Qbus is a cost reduced variation, muxed data and address like a  microprocessor of the time. B Unibus has the capability for multiple masters...not just multiple CPUs on the same bus....  N > I think unibus was a synchronous bus, while Qbus is asynchronous (not sure).F Unibus is the async bus, capable of something around <10Mw/s depending onD length - typically called about a 5MB/s bus but if you tied a short D four slot bus, the right gear, and so on, you could make it go up toG about <10MW (>100ns cycle time for the setup for an NPR/NPG cycle, but  E cheating and xferring multiple 16bit words within that setup can give  you D a higher effective rate - the COMMIOP and some of the A/D stuff wereF examples that used this techinique, along with the printset terminal..? VT something in a VT05 case....was the first device to test the  multiple word NPR cycle.  D > Anyway, the bus wiring isdifferent, so you cannot mix controllers.J > There used to be adaptors adding another type of bus to the original oneF > of the systems, butwhey were thrd party and probably "not supported" >  > Jean-Franois Marchal  > X9000 - LYON (FR)  > ? > "Timothy Stark" <sword7@grace.speakeasy.org> wrote in message 2 > news:xkfU5.4365$IP1.186280@news1.giganews.com... > > Hello folks: > > N > > I have a question for you.  I read my VAX archit handbook and noticed thatF > > there are two different controllers - Q22-Bus and Unibus.  What isI > > difference between them?  Are Unibus devices compitable with Q22-Bus?  > >  > > Thank you! > >  > > -- Tim Stark > >  > > --0 > > Timothy Stark <>< Inet: sword7@speakeasy.orgN > > --------------------------------------------------------------------------I > > "For God so loved the world, that he gave his only begotten Son, that L > > whosoever believeth in him should not perish, but have everlasting life.2 > > Amen." -- John 3:16 (King James Version Bible)   ------------------------------  # Date: Mon, 27 Nov 2000 06:53:37 GMT  From: mgtczf@ttlc.net 7 Subject: If yer lookin for a good pay site go here !!!! 0 Message-ID: <RxnU5.12295$4e.20522@nnrp1.ptd.net>   http://www.cashwars.com/r/sike3    begin 644 Cashwar.HTML= M/&$@:')E9CTB:'1T<#HO+W=W=RYC87-H=V%R<RYC;VTO<B]S:6ME,R(^/&EM = M9R!B;W)D97(](C$B('-R8STB:'1T<#HO+W=W=RYC87-H=V%R<RYC;VTO:6UA = M9V5S+V-W;&]G;V)L=64N9VEF(B!W:61T:#TB,3<U(B!H96EG:'0](C0X(CX\  #+V$^  `  end $                                        ------------------------------  % Date: Sun, 26 Nov 2000 13:29:38 -0600 ) From: "John E. Malmberg" <wb8tyw@qsl.net> A Subject: Re: MUSTANG (AlphaStation 200/2/100) Won't boot VMS E7.3 / Message-ID: <t22p2ed4tkikee@corp.supernews.com>   9 "John R. Lawson, Jr." <Mage@DirecPC.com> wrote in message . news:5wbU5.4263$925.186788@news.direcpc.com...G > Well, thanks to all who sent me pointers or files containing the V6.7 L > firmware ... This did *NOT* cut it.  The problem must have been introducedK > in V6.7 of the firmware.  I've sent "feedback" to Compaq about the issue, K > but since I don't have a formal support agreement, I can't file a service  > event. > H > I did buy their V7.3-EFT1 SDK, so, you'd think I'd have some formal FTI > feedback loop, but I can't find it in any of the literature I have, and  whenB > I log into their FT website, it says I need a username/password.  6 How about posting a description of your problem on theI vmsnet.sdk.openvms.fieldtest where they are discussing the V7.3-EFT1 SDK?    -John  wb8tyw@qsl.network   ------------------------------    Date: 26 Nov 2000 14:11:44 -0500* From: young_r@eisner.decus.org (Rob Young)! Subject: Re: Performance problems + Message-ID: <pHYlkjvBiK0j@eisner.decus.org>   M In article <xin0cZjFjcog@ludens>, maulis@ludens.elte.hu (Maulis Adam) writes: Z > In article <cs8$BYV1PHp+@eisner.decus.org>, young_r@eisner.decus.org (Rob Young) writes:[ >> In article <wCDFoA5gYkkz@eisner.decus.org>, young_r@eisner.decus.org (Rob Young) writes:  >>  O >>>> - Has someone else experienced  this kind of problem? Where came the pages M >>>> on the modified page list from? What did you do about it? Have you got a  >>>> workaround? >>>>   >>> D >>> 	Yeah... buy more memory or get the source listings and re-write >>> 	the memory manager. > J > :-) (The license of source listings explicitly forbids think like this.) >  >>  D >> 	There are some other things you can do that will limit the hang. >>  D >> 	You can speed up the writes considerably by putting the pagefileB >> 	on HSJ/HSZ/HSG mirror disk (for redundancy, certainly would beD >> 	a drag to take a hit on a pagefile disk and go down) and turn on% >> 	write-back caching for that disk.  >  > 6 > I think it does not grow up the overall performance.J >  - The VMS own paging algorithm must be more efficient than hs*'s cache,F >  - the intensive paging can be flushing the hs*'s cache contents, so- >    the normal file activity will be slower.  > ? >  (Plenty of write back cache (256Mbyte or 512Mbyte) can be a  / >   solution for you but not a right solution.)  >   A 	Yeah... but if you send 60-100 MByte worth of writes it would be < 	nice to have them all caught in cache instead of having to ; 	spin a platter and write them.  But we are getting to the   	quibbling stage, eh?    > A > But, of course, it do grow up the performance if paging disk is  > raid-3 or stripeset (raid-0).  >   @ 	Or best yet... create a nice little DPA using RAID Software for@ 	VMS where the DPA is actually RAID0 pieces and each RAID0 pieceB 	is on a separate controller and each RAID0 piece is a mirror-set.  G 	Point is we both recognize the problem is that you are trying to flush C 	60-100 MByte of material to disk when the ticker comes along.  How B 	deep are your pockets?  The best solution if you can't budget forG 	more memory would probably be to use shadowed solid-state disk drives  E 	and RAID Software.  But at that point, the memory is cheaper, right? B 	So the answer is more memory if your user community is annoyed byC 	the periodic hangs as they were where I initially discovered them.    	Hope it goes well for you.    				Rob    ------------------------------  % Date: Mon, 27 Nov 2000 00:16:26 -0500 . From: "Crowley, George M." <gmcrowley@tva.gov>6 Subject: Problems with a DECBridge 90 - not forwardingN Message-ID: <E43037234EFCCF11B99B0000F8014A400349386C@knxwbnois1b.wbn.tva.gov>  6 	I've got a DECBridge90, and it is giving me problems.4 	Every now and again the amber light for the bridge 2 	forwarding state will come on and stay on, which 1 	according to the manual means the bridge is not  ( 	forwarding.  This is absolutly true ...  0 	Can someone explain to me why this would happen 	and suggest a solution?   	Thanks  	George Crowley    ------------------------------  # Date: Mon, 27 Nov 2000 02:51:12 GMT 0 From: Timothy Stark <sword7@grace.speakeasy.org> Subject: Q22-bus programming7 Message-ID: <A_jU5.21831$%j3.202654@news6.giganews.com>    Hello folks:  I Thank you for information about difference between Q-bus and Unibus.  Now G I have another question for you.  Is Unibus programming compatible with D Q-bus programming?  If not, what is difference between them?  I knowJ unibus programming but need more information about Q-bus programming (func specs).    Thank you again!   -- Tim Stark   --  , Timothy Stark	<><	Inet: sword7@speakeasy.orgJ --------------------------------------------------------------------------F "For God so loved the world, that he gave his only begotten Son, that H whosoever believeth in him should not perish, but have everlasting life.. Amen." -- John 3:16 (King James Version Bible)   ------------------------------  # Date: Sun, 26 Nov 2000 23:49:56 GMT % From: hg/jb <shsrms@bellatlantic.net> 7 Subject: Re: Severity of eBay's ecache problem detailed 0 Message-ID: <3A21A318.A9BA311B@bellatlantic.net>   andrew harrison wrote: >  > "Ebinger . Eric" wrote:  > >   > > > -----Original Message-----* > > > From: woodacre@scala.reading.sgi.com- > > > [mailto:woodacre@scala.reading.sgi.com] C > > > Our new Origin3000 systems are selling very well (our biggest  > > > problem is gettingB > > > enough ASICs to meet sales demand). Just lookup SGI on yahoo > > > and you will seeB > > > some press releases of customers buying large numbers of big > > > systems - I guess they? > > > obviously don't have your insight into the future and how " > > > they should really be buying > > > Compaq systems.  > > >  > > < > > Well I looked up SGI on Yahoo and what I found there was6 > > SGI's quarterly report that indicated that SGI had7 > > an operating loss of $94 million on revenue of $426N: > > million (that's a loss equal to 22% of their revenue). > > 6 > > That sounds like SGI is certainly heading down the6 > > Cray road.  Good luck on turning things around.  I8 > > certainly won't celebrate SGI's demise but I believe0 > > there is reason to question SGI's ability to > > survive. > >f > % > Blimey and people accuse me of FUD.! >  > Pots, black calling  > 	 > Regardst > Andrew Harrison  > Enterprise IT Architecte  6 It is interesting looking at this, Eric's note I mean.@ SGI does have some decent gear.  They have been trying to answer customer6 needs, and deliver the things customers want to buy - F they are about a billion dollar company at that quarterly revenue run.  D They do have to spend a couple of bucks on R&D to achieve some level2 of discrimination from the intel reboxing vendors.  A I don't see any FUD or reference to FUD in Eric's note.  I do seepB the Andrew twist. Interesting.  Maybe Andrew should be in Florida. bob    ------------------------------  % Date: Sun, 26 Nov 2000 17:11:46 -0500o/ From: "Joseph B. Gurman" <gurman@gsfc.nasa.gov>o' Subject: Re: Sun "uptime" belly laugher = Message-ID: <gurman-2DBB4A.17114626112000@news.gsfc.nasa.gov>w  0 In article <002569A1.003C7139.00@quegw01.btyp>, % Steve.Spires@yellowpages.co.uk wrote:    [snip] >nG > I use eBay a lot (on there every day in fact - nothing IT related, I oU > collect old football memorablilia) and every Friday morning for the last few weeks  V > (might be months now) the system is unavailable for 2 or 3 hours for 'maintenance', O > which to be frank is a pisser. Doesn't matter to those in the States 'cos themJ > corresponding time is during the early hours, but when you're trying to ) > get bids in near the end of auctions...o       Steve -   G     What makes you think anyone ever sleeps in the US anymore? Haven't cD you figured out why our "productivity" (i.e., neurosis quotient) is 6 higher than those of EU countries? (Answer: Starbucks)  F     Actually, I've found the "waking up" hours in the US to be nearly I impossible for accessing US sites from the UK, say 13:00 - 16:00 UT. The rI maintenance you refer to narrows the window of availability even further.D  8     Guess we need more fiber cables under the oceans....                        Joe Gurmane   -- AC | Joseph B. Gurman, NASA Goddard Space Flight Center, Solar Physicsr> | Branch, Greenbelt MD 20771 USA / Federal employees are still@ | prohibited from holding opinions while at work. Therefore, any1 | opinions expressed herein are  somebody else's.a   ------------------------------   End of INFO-VAX 2000.662 ************************