Subject: Re: Cobalt Qube 2 Memory Simms again..
To: Pete Rushmere <email@example.com>
From: Florian Stoehr <firstname.lastname@example.org>
Date: 03/26/2005 22:30:54
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> Hi Mick,
> =A0=A0=A0=A0=A0=A0=A0=A0No offence taken!
> =A0=A0=A0=A0=A0=A0=A0=A0I did add they may not work on everyone's Qube, a=
t the moment,
> there only seems to be one buyer interested. If they don't sell I'll
> maybe put them up for grabs here for the price of postage! There'll be
> another 12 pieces available in the near future, they are coming out of
> some de-commissioned equipment at work - I hate throwing stuff away!
> =A0=A0=A0=A0=A0=A0=A0=A0I did a bit more searching this afternoon and fou=
nd a few posts
> (non-Qube related) that say 5v mem will indeed work at 3.3v with no
> problem, however the general opinion seems to be not to mix 5v & 3.3v
> modules. I'm assuming the Sun ram would be 3.3v so maybe adding a 5v
> would not work, but I'm only guessing here...
> Kind Regards,
> At 16:58 26/03/2005, Michael Bramley wrote:
> Hi Pete
> Sorry I didn=92t realise it was your auction, no offence meant.
> IMHO you did mention in the auction that they are 5v simms,
> I=92d probably put a Caveat Emptor in there as an addition,
> also mention the fact that they are supposed to use 3.3v and
> you verified this having measured your Qube 2 with a volt
> meter, however that said, they do appear to work.
> The reason 5v simms seem to work is anybody's guess.
> Mick Bramley
> Hi All,
> =A0=A0=A0=A0=A0=A0=A0 OK, I was bored today anyway :-) I just=
> for the pin-out for a 72 pin simm and dismantled one of
> the Qube2s. Pin 1 is VSS (Ground) and pin 10 is VCC.
> Measuring between these with the Qube2 running gives me
> a voltage of 3.3v. This now raises two issues - why do
> 5v simms work and should I pull the auctions while
> there is still time?
> Kind Regards,
> At 12:21 26/03/2005, Andreas Fuchs wrote:
> Pretty shure also we are using 5v Simms in one Qube2
> and three RAQ's without having any problems.
> I'll open the qube tonight to confirm the type of Simm
> i'm using.
> Von: port-cobalt-owner@NetBSD.org
> [mailto:port-cobalt-owner@NetBSD.org] Im Auftrag von
> Michael Bramley
> Gesendet: Samstag, 26. M=E4rz 2005 11:28
> An: email@example.com
> Betreff: Cobalt Qube 2 Memory Simms
> In my Cobalt Qube 2 I=92ve been using 2 x 72pin EDO 5v
> Simms for about 7 months with no problems at all, I
> know they=92re 5v because I got the Cobalt with little
> memory in it and had these things lying round out of an
> old Mac and put them in it, now I know it=92s supposed to
> use 3.3v but I figured that as the Simms are under
> volted that worst case scenario would be the Qube would
> not boot or if it did boot it would probably crash
> later on, it does not, it works fine.
> I always figured I=92d not bother to mention this as this
> was maybe a fluke or something, however some guy is
> selling a few simms on eBay in the UK for Raq 2 & Qube
> 2=92s telling you they are 5v and they work fine.
> I=92ve just bought a BeBox dual 133 and was going to move
> the memory out of the Qube 2 into the BeBox and get
> some more ram for the Qube 64mb now was considering
> going to 128 (any advantage in doing this?, I only use
> it as a file server running NetBSD 1.6.1 but I=92m going
> to 2.0 soon), I was going to try and get some 3.3 EDO
> 72pin simms but now this fluke of mine and the fact
> this guy says it works as got me thinking.
> Anybody else here using 5v simms in a Qube 2 or a Raq
> Do FPM simms work in Qube 2=92s?
> I know these questions have been asked before, Yes I=92ve
> read the manual and the mail list archives & Googled
> this to death but everybody says 3.3v un-buffered EDO,
> I=92m 100% using 5v and so is this guy, unless he=92s
> Mick Bramley
> When a man sits with a pretty girl for an hour, it seems like
> a minute.
> But let him sit on a hot stove for a minute, and it's longer
> than any
> hour.=A0 That's relativity.=A0 =96=A0 Albert Einstein
I have two Simms I think they are from a SGI machine. Strange, these seem
to also work in the Cube. Should be 36-bit, thus party, right? Maybe they
were in the wrong box at home, if not, then seems like at least the cubes
accept a much wider range of RAM than Sun claims to.
Anybode here can tell wheter the Qube DOES accept this kinda RAM?