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Portrait of a Young Man as The Artist
abmann
abmann
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From: thegelf Date: September 16th, 2008 06:23 pm (UTC) (Link)
In general, RAM quantities depend on whether the processor is 32 bit (can't see more than 4GB, 3.5 in practice), or 64 bit (can see up to 2^64 bytes of RAM, aka more than you'll ever need in the next 10 years). After the processor, it depends on the machine-specific BIOS how much RAM the machine will be able to handle. Some machines with 64 bit processors can't see more than 4GB RAM because they've got a crippled BIOS.

And adding more RAM will never cause a machine to explode, it just won't be able to see the RAM.

Your safest (and cheapest) bet is ordering it with 1 GB of RAM, and then getting a 2nd matching stick from Newegg, and installing it yourself. If your shiny new laptop can't see the extra memory, you can send it back. And it's almost always cheaper to get the RAM from somewhere else and install it yourself than to get it from the laptop builder.

Speaking of the laptop builder, whoever you're buying from should have a detailed spec sheet for the laptop somewhere (not necessarily in the most accessible location, though), and that spec sheet should list the max RAM supported.
From: thegelf Date: September 16th, 2008 06:27 pm (UTC) (Link)
Meaning, no matter what, you should be safe putting up to 4GB in. After that is when things get iffy. Linky to which laptop you're tricking out?
abmann From: abmann Date: September 16th, 2008 06:30 pm (UTC) (Link)
The 4GB sticks are EXPENSIVE.

Also, it's a teeny netbook so I don't think 4GB is worth it. :D
abmann From: abmann Date: September 16th, 2008 06:29 pm (UTC) (Link)
Yeah, I tried to find the spec sheet adn was unable. What I did find listed the offered configuration options rather than max.

I was surprised the see that the .5GB to 1GB upgrade cost was, in fact, the exact same cost for just buying the RAM. It would cost me more to upgrade to 1GB because of shipping. They don't offer the bump to 2GB though.

I suppose I'll go with the 1GB upgrade since it is for cost and drop the extra stick on my own. if it doesn't work,. I at least have the max I could have had. Then I'll have an extra GB stick for Fox's laptop. :)
lady_fox From: lady_fox Date: September 16th, 2008 07:13 pm (UTC) (Link)
Which, if I keep adding Sims', I will need sooner than later... ;)
abmann From: abmann Date: September 16th, 2008 08:14 pm (UTC) (Link)
Do you remember how much memory you have right now? I'd love to bump you up to 4GB if possible.
lady_fox From: lady_fox Date: September 16th, 2008 08:16 pm (UTC) (Link)
not off the top of my head. I'm using over half at the moment.

There's no hurry.
abmann From: abmann Date: September 16th, 2008 08:23 pm (UTC) (Link)
Memory. Not disk space. Memory makes it so your computer can do more things at once faster.

You have around 60gigs of disk space total.

Edited at 2008-09-16 08:23 pm (UTC)
lady_fox From: lady_fox Date: September 16th, 2008 08:24 pm (UTC) (Link)
Ok. I dont' know.
hubersbernd From: hubersbernd Date: September 16th, 2008 08:57 pm (UTC) (Link)
There is also the OS restriction. XP 64 bit will only allow you to see 3.25 Gb RAM.

Also, XP will show you the 4 Gb, but not address them.

(Historically XP architecture reserved the 3.25-4.0 Gb space for video and that fancy stuff...nobody ever needed it).

Window 2003 same issue. Need DC or Enterprise Edition to go beyond the 3.25 GB hurdle...
From: thegelf Date: September 16th, 2008 11:44 pm (UTC) (Link)
Nope, no OS restriction, at least not with XP 64. Can't talk about Windows 2003 Server, haven't used it. XP 64 bit will show you as much ram as your BIOS lets it. I've run XP 64 bit with 32 gigs of RAM, and been able to see and address all of it. I've also run it with 4 gigs, and had it only see (and address) 3.5 of them. If you have XP 64 and aren't seeing all your ram, blame your BIOS, and see if there's an update for it (or an option to switch between 32 and 64 bit addressing). And it's the BIOS that has the 3.25-4.0 GB space reserved, which yes, people do need. You have an AGP/PCI X video card? Your processor is addressing it in that range. You have any PCI cards slotted? Your processor is addressing it in that range.
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