Date: Fri, 16 Mar 2001 15:31:59 +0800 From: "Paul Chan" <[EMAIL PROTECTED]> Subject: Re: 128MB for Libretto 110, is there a way? Hi Lou, Please find the attached Microsoft Word Document for Libretto 50/70 Expand Memory Card Pin Assignment. I am very sure that it is useful for the experiment. Best regards, Paul ----- Original Message ----- From: "Lou S" <[EMAIL PROTECTED]> To: "Libretto" <[EMAIL PROTECTED]> Sent: Friday, March 16, 2001 12:37 PM Subject: Re: 128MB for Libretto 110, is there a way? > Date: Thu, 15 Mar 2001 23:31:32 -0500 > From: "Lou S" <[EMAIL PROTECTED]> > Subject: Re: 128MB for Libretto 110, is there a way? > > >Eventually this solution is for IBM PC110 to increase > >the memory. The Ram chip was the same used in Libretto > >50/70, so I think it will be possible to apply to the Libretto. Because the > >data bus of the memory is the same. > > Are all the adresses, A0-A11, on the all memory chips used? If it was > engineered for more than 16 RAM and they simply tied one or more addresses > low while the others are high you might be able to get more memory by making > all addresses high but I assume the CPU does the multiplexing of all the > memory addresses as per the spec sheet. > > I've looked at the chip last year but never followed through on the specs > and pinouts, if you want to look at the memory chip it can be found at: > http://bwrc.eecs.berkeley.edu/Research/Intercom_Group/details/hardware/stron garmdocs.html > just download the TC51V16165CFTS-60 Toshiba EDO DRAM Data Sheet (pdf, 1.68 > MB) > > Do we have pinouts on the CPU chip? Someone out there must have a schematic > or service manual. > _________________________________________________________________ > Get your FREE download of MSN Explorer at http://explorer.msn.com > > > > > ************************************************************** > http://libretto.basiclink.com - Libretto mailing list > http://libretto.basiclink.com/archive - Archives > http://www.picante.com/~gtaylor/portable/faq.html - FAQ > -------UNSUBSCRIBE------- > mailto:[EMAIL PROTECTED]?subject=cmd:unsubscribe > --------UNSUBSCRIBE DIGEST------ > Use above but add DIGEST to the subject line... > ************************************************************** > ************************************************************** http://libretto.basiclink.com - Libretto mailing list http://libretto.basiclink.com/archive - Archives http://www.picante.com/~gtaylor/portable/faq.html - FAQ -------UNSUBSCRIBE------- mailto:[EMAIL PROTECTED]?subject=cmd:unsubscribe --------UNSUBSCRIBE DIGEST------ Use above but add DIGEST to the subject line... **************************************************************
Attachement File exceeds maximum allowed for this list: Libretto Memory Bus.doc
