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Thread: Random lags with WinXP




  1. #21
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    Default Re: Random lags with WinXP

    I didn't say not to use large programs. By application I was refering to purpose not software application, ie don't rip loads of Blu-Ray movies to it etc, use a large mechanical drive for that. Size of a piece of software doesn't matter. I'd just leave about 20% of the drive free for wear leveling/performance reasons.

    Also you don't definitely have to install all your applications to the SSD, just the ones you feel will perform better on faster media. Things like Photoshop will for example benefit more than a word processor/office suite as Photoshop is a more complex program, using filters loaded from the SSD.

    Especially going from a generation 1 Raptor (ie not a Velociraptor) to a SSD will show huge performance gains. In fact either one of your storage drives would make a better Windows boot disk than a gen 1 Raptor.

    I checked Newegg again and it's not been posted up yet. It's 4:00AM in the UK, so it probably won't be officially posted until start of business US time 9th Nov.
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  2. #22
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    Default Re: Random lags with WinXP

    I see. If it's only $80 after rebates, I might take the plunge on the SSD. 40GB would be more than enough space for windows and my programs. I might use 10GB of space once everything is said and done. I'll probably sit down and read about them as much as I can before I decide for sure...but the main thing I use my computer for is audio recording (which having a fast windows drive is great for getting a good latency with the programs) and photoshop work...so it definitely seems to be the way to go.
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  3. #23
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    Default Re: Random lags with WinXP

    Looks like some of the reviews were wrong. It was said that there'd be $30-$40 mail in rebate. Seems like it's only $20. It still makes it the cheepest drive from a manufacturer that uses a good controller. It's just an Identical Intel drive to mine, appart from it's the updated G2 version. They just pulled half the flash off it to make it cheaper. It doesn't support TRIM yet, but Kingston say it will when Intel sort out their firmware update.

    Excellent drive. Newegg.com - Kingston SSDNow V Series SNV125-S2/40GB 2.5" 40GB SATA II Internal Solid state disk (SSD) - Solid State Disks My brother's bringing me one back from the US along with a 30GB OCZ Vertex.
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  4. #24
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    Default Re: Random lags with WinXP

    There isn't a lot of information out about that particular drive yet, so maybe you can answer the biggest question I have right now...

    how does the read/write speeds for it compare to something like a velociraptor? It's listed as "read up to 170 MB/s" and "write up to 40 MB/s". I see that, for instance, the SSD you have writes "up to 70 MB/s". Just curious of how the numbers compared to an HDD. I guess I'm worried that the 40 MB/s is kind of slow.
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  5. #25
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    Default Re: Random lags with WinXP

    A Raptor will write at between 60 and 80 MB/s. This is sequential writes. For a n OS and Apps drive this isn't a relevant figure. When used as an OS and Apps drive you won't be writing sequentially, you'll be writing randomly, usually in the small file ranges, most commonly 4K. In this respect, a Raptor may manage about 2MB/s random 4K writes. The Kingston drive will do upwards of 30MB/s in random 4K writes.

    Sequential writing would be something like copying a 4GB DVD image from one HDD to another. Something that you probably wouldn't do at all. Application installation is also an area where a lot of sequential writing is done. However one only usually installs their programs once, plus they install from a DVD drive which can only supply data to the drive at about 30MB/s anyway, meaning the DVD media is the bottleneck, not the drive.

    The reason for the slower write speed comes from the lower capacity of the drive. It is a G2 Intel X25-M with only 5 flash chips. The Intel controller has 10 channels. In this case the Kingston drive is only using 5 of those 10 channels, meaning that Read/Write speeds are slower. ~20% slower for reads and 40% slower for writes.

    As all your data will be written to your mechanical storage, sequential write won't be an issue. You will notice a sharp increase in responsiveness and excellent boot/app load times.

    Look here for an explanation of just how important random performance is: AnandTech: The SSD Relapse: Understanding and Choosing the Best SSD

    Remember, the Kingston drive will have the same performance as an Intel X25-M G2 in the charts on that page.
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  6. #26
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    Default Re: Random lags with WinXP

    I tried to order that SSD on newegg, but it was already sold out (at the 80 price range after rebate). The price has moved back up to almost 110 (which some guy on there claims is higher than the suggested manufactures prices), so I guess I'm going to be waiting to order it.

    Couple more questions. How do you make sure you get all your temp files saving on a different drive and how do you move the paging file to a new drive as well? Seems that you want the SSD to only run windows and programs and nothing else.
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  7. #27
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    Default Re: Random lags with WinXP

    I had a feeling the drive would sell out rapidly. That's proof that the drive is a fantastic deal indeed.

    I did actually make a mistake, the drive is $104.99 with the rebate. I was told the rebate would be either $30 or $40, but it turns out that it's actually only a $20 offer. For a drive of this quality, it's still an exceptional deal though. Plus with it being a G2 drive, as soon as Intel sort out their TRIM firmware, Kingston promise to put out a firmware update to support both Windows 7 ATA-TRIM and the manual TRIM tool included in the Intel SSD Toolbox.

    If you can't wait and do want a SSD ASAP then a 30GB OCZ Vertex is also a good deal. Very cheap for an Indilinx drive and it will support either TRIM with Windows 7 using Firmware 1.4 or Garbage collection + Block Consolidation with Firmware 1.41. I have one on order from Newegg. My brother's having it shipped to his friends house and picking it up when he flies out tomorrow. I did want a 40GB Kingston, but knew there'd be no stock left sadly.

    Here is a good guide covering all you need to optimise a SSD for Vista and 7. Most of it applies to XP too, if XP supports the relevant feature.

    To move temp files you need to edit the Environment Variables. To do this right click My Computer > Properties > Environment Variables button is at the bottom of the window of the default open tab. Another dialog box will open. Find and change the entries for "Temp" and "Tmp" in both the user variables (will be labeled as your log in/computer name) and System Variables (applies to all accounts unless the first box over rides them for each user). Make them point to a folder you create on one of your mechanical hard drives.

    If you use Internet Explorer, you can change the path of the temporary internet files in the Tools > Internet options dialog box, next to the button used to empty the cache. FireFox is a bit different and is located in the Guide I linked to. If you use Google Chrome, like I do, you need to add a command switch to the end of the "Target" entry in the shortcut to Chrome's properties. I've included a screenshot of what the shortcut needs to be changed to. Replace the drive letter and folder (in my case K:\Cache) with the one you will be using. You need to create a folder on the drive first or this tweak will fail.

    Screens of Environment Variables and Google Chrome (best internet browser ever IMHO):

    My Internet cache is located on a RAM drive created with Virtual Harddisk Pro. My browsing is now just as fast as if the cache were on the SSD, but there are no bothersome writes to the drive. To give you an idea of how much a browser writes to disk, I monitored disk I/O with Task manager. In the space of 20 minutes and some intense web surfing, forum reading and watching a single YouTube clip, the browser made 78 MILLION I/O write bytes. That's an extremely large amount.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

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