Date: Tue, 3 May 2016 23:16:02 +0530 From: Manish Jain <bourne.identity@hotmail.com> To: Warren Block <wblock@wonkity.com> Cc: Polytropon <freebsd@edvax.de>, freebsd-questions@freebsd.org, galtsev@kicp.uchicago.edu Subject: Re: Is 10.3 i386 jinxed ? Message-ID: <BLU437-SMTP761CBBBDFB20DD40709E22F67A0@phx.gbl> In-Reply-To: <alpine.BSF.2.20.1605031100310.42085@wonkity.com> References: <BLU436-SMTP151A41CC0BE118F82C0C189F6660@phx.gbl> <20160430084415.03be443d.freebsd@edvax.de> <5724604D.3020804@hotmail.com> <BLU436-SMTP10004EAA9AA9F6D830DF24CF6670@phx.gbl> <20160430203426.a9d5841b.freebsd@edvax.de> <5725CF38.4090007@hotmail.com> <572752E2.2040708@hotmail.com> <BLU436-SMTP2101D0F5AB8E190FC0ACF0F67A0@phx.gbl> <20160503181839.2aacad7e.freebsd@edvax.de> <BLU436-SMTP187610848C906237B9BDC97F67A0@phx.gbl> <alpine.BSF.2.20.1605031100310.42085@wonkity.com>
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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
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