Date: Mon, 29 Oct 2007 06:01:26 +0100 From: "Avi Cohen Stuart" <[EMAIL PROTECTED]> Subject: RE: [LIB] speed gain using flash card
John, I am very interested in the technical details on the >64MB libretto upgrade. I don't mind to experiment but currently don't have a clue to do what... Avi. > -----Original Message----- > From: John [mailto:[EMAIL PROTECTED] > Sent: Monday, 29 October, 2007 0:03 > To: Libretto > Subject: Re: [LIB] speed gain using flash card > > Date: Sun, 28 Oct 2007 16:01:36 -0700 (PDT) > From: John <[EMAIL PROTECTED]> > Subject: Re: [LIB] speed gain using flash card > > > --- Philip Nienhuis <[EMAIL PROTECTED]> wrote: > > > Date: Sun, 28 Oct 2007 09:51:48 +0100 > > From: Philip Nienhuis <[EMAIL PROTECTED]> > > Subject: Re: [LIB] speed gain using flash card > > > Hello Philip > : > <snip> > > > getting with a standard hard drive. The extreme > > III > > > and IV are opproximatly twice and three times as > > fast > > > as the II so if I would get another increase if I > upgraded to one of > > > those. > > > > > > I am getting 4 MB as opposed to 1.5 to 2 with the > > hard > > > drive. I should expect 6 and 8MB with the extreme > > III > > > and IV. > > > > AFAIK (based on a vague reminiscence and a google > > search) the > > theoretical maximum data transfer speed on an ISA bus is > about 6 MB/s. > > As the Lib110's HD is attached through a 16 bit ISA connection > > (without DMA), that 6 MB/s is about all you'll get. > > Or am I wrong here? (hopefully not, for your sake) > > I knew there was some sort of limit, I thought it was > 32 MB/s about half of the memory subsystem. But that could be > the pci limit. > > > > > > I am also using a second flash card for a virtual memory > drive but > > > it is an old one so only gives > > hard > > > drive speeds. If I updated that with a newer one I would > think the > > > increase in speed be noticalbe in > > swap > > > file use. > > > > How did you connect that 2nd one? thru the PCMCIA slot? > > Yes. > > > I remember I found an external -PCMCIA, or rather, > > Cardbus- HD to be > > clearly faster than the internal one (I had a 7200 rpm Hitachi > > inside). > > There was also a thread on this in the mailing list. > > the differance is in the clock speeds, ISA is slower than PCI. > > > > > > I notice a real reduction in temperature also > > using a > > > solid state drive. My libretto was always having > > to > > > slow down to cool off but it is very cool now when > > it > > > runs. > > > > Anyway it all sounds like a bright idea to me. > > Thanks. I like it so much because the libretto is perfectly > silent when it runs now too!! > > > > > Any idea about battery power savings using flash rather > than rotating > > storage? > > I don't think there is much differance, my libby reports > about 5 1/2 hours usually but I notice I don't have to plug > in the adapter now until I am ready to shut down. It kinda > did that before but not so routinely. Battery life is so > dependant on what a person is doing. Where I really notice a > differance is in spin up times. There are none, with a hard > drive spin up times were very noticeable. > > > > > > Sometimes I feel a bit sorry to have decommissioned my > L110; it merely > > serves as a sort of book stand, right on top of a > > What do you use in place of it? I tried the U100 but it fried > like twice on me. It was a piece of junk. > They run too hot and Toshiba doesn't cover them under > warrenty. My 110 keeps plugging along no matter what:). > > > much older DEC > > 450SLC/e notebook (with a 50 Mhz 486-DX2 inside - wow). Sometimes I > > start them up just for fun, like today when the clocks in my place > > "must" be reset to winter time. > > > > BTW have you ever had any luck upgrading the RAM beyond 64 MB? (I > > remember you were busy with that). There were some guys who have > > fitted > > And still am:). I am fitting a wire buss to an old libretto > 32MB ram upgrade board. I am going to solder the buss to a > couple, maybe three, of so-dimm sockets. > I am going to run the so-dimm sockets into the hard drive > bay, where I have room now (I was just waiting until compact > flash capacity got large enough to use as a hard drive so I > could try this and have space inside the libretto), and try > using standard so-dimm edo plug-in modules. It is slow going > because I don't have anywhere to work and lack tools. > > I don't think I'll have to remove the soldered chips on the > motherboard. > > I have also been thinking of installing a sdram controller > and use sdram but all of that is very hard to do since all I > have is the memory upgrade port to use for access. > > The hard drive bay is a great place for all kinds of fun!! > > > a Portege 64 MB module in the extension slot to get > > 96 MB; that was the > > max I've ever heard of w.r.t. Lib110..... > > Yes I remember the upgrade. I am sure the libretto can handle > ram up to, at least, 512MB and 8 socketed modules. > > john > > > > > Best wishes, > > > > Philip > > > > > > > > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection > around http://mail.yahoo.com > >
