Results 1 to 11 of 11
Thread: 4gb only showing as 3.25 ?
08-31-07, 01:04 PM #1
4gb only showing as 3.25 ?
Hi, i have just installed 4gb of ram to my pc in bios its showing up as the full 4gb but in windows vista its only showing up as 3.25, anybody any ideas why this would be ? ( the graphics card has its on dedicated memory so cant be that)
Last edited by theendisgone; 08-31-07 at 01:36 PM.
08-31-07, 01:36 PM #2
Vista 32bit version only support a max of 3.25GB. You need the 64bit version to use 4 or more GB of system memory.
I can't tell by your screenshot but I'm assuming you are running the 32bit version, correct?Q9550 on P5Q-Deluxe(460x8.5=3910MHz), 4x2GB GSkill 1066, 750GB WD Black HD, GTX285(702,1512,2592), Blu-ray, Silverstone OP650, Samsung 1080P 50" Plasma + Dell 2408WFP, MX1000 laser mouse, Saitek backlit keyboard, P182, Xigmatek S1283 Black Knight
08-31-07, 01:40 PM #3
If you have Vista 32bit you only get 3.25, if you have 64bit, enable memory remapping feature in BIOS to get all 4gb.Motherboard Reviewer at Hardware Canucks
Team OCX Bench Team
Always lurking the motherboard section
08-31-07, 01:46 PM #4
08-31-07, 01:50 PM #5
That's all the memory it can address, it's a limitation of the 32-bit interface.
08-31-07, 01:52 PM #6
Yep, I fyou want the full 4 gig you will need a 64 bit version. But it doesn't come cheap so you'll have to ask yourself if you really need the 750mb extra. I know it's wasted now, but you can always upgrade later when the prices are a tad lowerXeon 3060
Asus 8800GTS 640mb
2Gb OCZ pc2 8500 (nvidia sli)
Seasonic S12 650W
08-31-07, 01:55 PM #7
what is the driver support like now for 64bit. I was always told there isnt much support for 64bit
08-31-07, 01:55 PM #8
Premium Member #3
- Join Date
- May 2006
- South Dakota
Guys, he has ultimate, it should have both versionsDesktop: AsRock X99 WS | 5820k | 32 GB G.Skill | GTX 1080 | Intel 750 NVME 400GB & 1 TB Samsung Evo | Windows 3.1 | 6x 2560x1440 Monitors
VM Server 1: Dell R710 | 2x L5630 | 96 GB RAM | 8x 256 GB Samsung Pro | IBM M1015 | 34 TB Raw disk | ESXi
VM Server 2: Dell R710 | 2x L5630 | 96 GB RAM | 8x 256 GB Samsung Pro | ESXi
Router: Biostar A68N-5000 | Silverstone ITX case | 15w pull | pfsense
"That's not overkill, or a lot. That's just thiderastic." -txus.palacios
"Clouds are silent, cold, and wet. Servers are none of these things." -Bobnova
Current projects: Rackmount Overkill (New) | Little Overkill (New) | Desktop Overkill (New)
Articles: Rack Mounting 101 | Dell Perc 5/i Throughput Benchmarks
Want to talk directly to all the moderators at once? Call the Mod Hotline!
08-31-07, 01:59 PM #9
08-31-07, 02:06 PM #10
64 bit driver support has come a long way since vista was released. It's unlikely that you have any trouble getting all your hardware up and running (unless you are using some old peripherals). browse the windows OS section of the forums if you need reassurance.Q9550 on P5Q-Deluxe(460x8.5=3910MHz), 4x2GB GSkill 1066, 750GB WD Black HD, GTX285(702,1512,2592), Blu-ray, Silverstone OP650, Samsung 1080P 50" Plasma + Dell 2408WFP, MX1000 laser mouse, Saitek backlit keyboard, P182, Xigmatek S1283 Black Knight
08-31-07, 03:28 PM #11
I would check with all the drivers/software you need and make sure it can do 64-bit before making the switch. For the most part, companies have released 64-bit drivers. Only thing you need to look out for really is software support.
| Dell Studio17 Laptop |
| T9300 @ 2.5Ghz - ATI 3850 - 3GB RAM - Seagate 320GB 7200rpm - 17" (1920x1200) Glossy widescreen | Windows 7 64-bit |