From owner-freebsd-questions@freebsd.org Tue May 3 17:47:21 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EED8FB2CB2A for ; Tue, 3 May 2016 17:47:21 +0000 (UTC) (envelope-from bourne.identity@hotmail.com) Received: from BLU004-OMC4S3.hotmail.com (blu004-omc4s3.hotmail.com [65.55.111.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "*.outlook.com", Issuer "Microsoft IT SSL SHA2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id AF5F01FB1 for ; Tue, 3 May 2016 17:47:21 +0000 (UTC) (envelope-from bourne.identity@hotmail.com) Received: from BLU437-SMTP76 ([65.55.111.135]) by BLU004-OMC4S3.hotmail.com over TLS secured channel with Microsoft SMTPSVC(7.5.7601.23008); Tue, 3 May 2016 10:46:14 -0700 X-TMN: [cTm6hJ/eaWAoV61oZ5CxsnFwDcnet5RM] X-Originating-Email: [bourne.identity@hotmail.com] Message-ID: Subject: Re: Is 10.3 i386 jinxed ? To: Warren Block References: <20160430084415.03be443d.freebsd@edvax.de> <5724604D.3020804@hotmail.com> <20160430203426.a9d5841b.freebsd@edvax.de> <5725CF38.4090007@hotmail.com> <572752E2.2040708@hotmail.com> <20160503181839.2aacad7e.freebsd@edvax.de> CC: Polytropon , freebsd-questions@freebsd.org, galtsev@kicp.uchicago.edu From: Manish Jain Date: Tue, 3 May 2016 23:16:02 +0530 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 03 May 2016 17:46:12.0654 (UTC) FILETIME=[AEFBD4E0:01D1A563] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 May 2016 17:47:22 -0000 On 05/03/16 22:45, Warren Block wrote: > On Tue, 3 May 2016, Manish Jain wrote: > >> >> On 05/03/16 21:48, Polytropon wrote: >>> On Tue, 3 May 2016 21:37:36 +0530, Manish Jain wrote: >>>> I found what is the problem, with the help of Ultimate Boot CD. UBCD >>>> says the video memory is corrupt. >>> Ha! As assumed, it looked too much like hardware error... >>> >>> >>> >>>> Does that mean I have to trash the >>>> entire laptop, or is there some way to replace the video memory ? >>> Depends. >>> >>> There are laptops where the GPU memory is allocated from the >>> installed memory modules that serve as RAM. Other models have >>> dedicated chips for the GPU which are independent. In such a >>> case, you probably cannot replace them. But if it's the first >>> case mentioned, exchange the RAM modules. The memtest results >>> usually are "false-negative" because the GPU memory is already >>> "cut off" from the cells available as regular RAM, so those do >>> not get tested. >>> >>> >> >> In case the video RAM is part of a dedicated chip, then should it not >> be possible to replace the chipset ? With PC's, this is possible, I >> know. But laptops, I have no idea. > > Possible, yes, but in a notebook it will be soldered to the > motherboard, so replacing it would require hot-air rework equipment > and experience. Replacing the motherboard is simpler, although > sometimes not simple, even if you have done it before. > > Neither method is likely to be practical. The term is "BER": beyond > economic repair. Replacement of the system will be cheaper. > > Is there any way I can find out whether the video RAM is part of the main memory or is it wired into a chip ? Regards Manish Jain