Date: Tue, 03 May 2016 21:13:36 +0200 From: =?UTF-8?Q?Sol=C3=A8ne_Rapenne?= <solene@bsd.zplay.eu> To: Polytropon <freebsd@edvax.de> Cc: Manish Jain <bourne.identity@hotmail.com>, freebsd-questions@freebsd.org, galtsev@kicp.uchicago.edu, owner-freebsd-questions@freebsd.org Subject: Re: Is 10.3 i386 jinxed ? Message-ID: <36305ba2e15bd80b2f6d73a82daa55e1@mail.zplay.eu> In-Reply-To: <20160503184106.06e44565.freebsd@edvax.de> 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> <20160503184106.06e44565.freebsd@edvax.de>
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Le 2016-05-03 18:41, Polytropon a écrit : > On Tue, 3 May 2016 22:04:15 +0530, 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. > > I have not yet seen a laptop where the GPU was "a module" that could > be replaced easily. It's usually glued+soldered onto the mainboard, > as it is not intended to be replaced. That kind of memory also doesn't > come in sockets, so it's probably impossible to replace. The common > solution is to replace the mainboard, which implies to replace the > whole laptop. :-) > > Still it might be possible that such "modular laptop mainboards" do > exist. It's just that _I_ haven't seen one... Some laptop have dedicated cards, they call it MXM : https://en.wikipedia.org/wiki/Mobile_PCI_Express_Module I have one laptop with a "discrete" nvidia MXM card (optimus technology) that I can remove or change. But usually, you find those cards on laptop with good video performance, sold as gamer laptop.
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