-=PCTechTalk=- Re: Flash Drive
- From: David TW Chun <dtwchun@xxxxxxxxxxxxxx>
- To: pctechtalk@xxxxxxxxxxxxx
- Date: Tue, 29 Sep 2009 13:48:06 -0400
Don,
My computer recognizes the SDHC as the 8 GB claimed; but only 4 GB was
allocated to ram usage. You're right that I have no idea of the speed
of this micro-SD card which is in a SD-adaptor; but the ReadyBoost
recommends and only allowed 4 GB. I haven't seen any speed improvement;
but I'm hoping that I'll later see faster page refreshes etc. when I do
some web surfing later. I'm using the 32-bit VISTA OS. Do you know if
the 64-bit VISTA or Windows 7 OS would permit more of the SD capacity to
be used than 4 GB. I'll probably be upgrading to 32-bit Windows 7
eventually, since I got burned at work with the 64-bit Windows XP when
venders would not update their drivers. But the advantages of 64-bit OS
is still alluring. Of course, with a 64-bit OS, I guess one could just
add more core ram; But I don't think I have any free slots
unfortunately, which is why this ReadyBoost memory has my attention
right now. I was just wondering.
I've got some 2/4/8 GB USB memory drives. I might try them later if I
can free up a USB connection to see if I can go beyond the 4 GB.
Wouldn't this be great if it would.
I haven't paid much attention to flashcard speed when it came to SD
cards (or the micro-SD) since I usually use them to transfer data or as
memory for my PDA/mobile phone where speed doesn't seem to be a factor.
The only place I've worried about speed is in my CF cards which I use in
my Nikon camera where it is important for rapid exposures. I guess I'
going to be looking at SD card speed now.
David
recklessmaverick@xxxxxxxxxx wrote:
>Vista uses the readyboost memory instead of hard drive space to store part
>of your cache. The smaller files are placed in readyboost since it would be
>much faster than a typical hard drive. Larger files still use the hard
>drive cache. Vista decides what is larger and what is smaller.
>
>Vista will automatically check any memory card, thumb drive or other USB
>drive to see if it is suitable to use for readyboost. If it is, cool. If
>not, it will tell you so.
>
>Obviously, you don't want to use a typical run of the mill memory card or
>drive as they are very slow. Buy a high speed card or an "Enhanced for
>ReadyBoost" USB drive. Get the one with the fastest read/write speeds.
>
>Note: most packaging for these devices do NOT list read/write speeds. Do
>your homework before buying.
>
>Note: SD cards at 4GB or higher capacity are actually SDHC cards. SDHC
>cards will work properly only in SDHC capable devices. I do not know how an
>SD card reader or SD camera would react to an SDHC card. SD cards work fine
>in SDHC devices.
>
>Don
>
>-----Original Message-----
>From: pctechtalk-bounce@xxxxxxxxxxxxx
>[mailto:pctechtalk-bounce@xxxxxxxxxxxxx] On Behalf Of David TW Chun
>Sent: Tuesday, September 29, 2009 10:09 AM
>To: pctechtalk@xxxxxxxxxxxxx
>Subject: -=PCTechTalk=- Re: Flash Drive
>
>Hi Mike,
>
>I just tried inserting a 8 GB SD card into the computer and ran
>ReadyBoost. The maximum I was allocate to extra ram was 4 GB so I'm
>guessing that this is the maximum allowed? If so, I'm going to pull the
>8 GB card and use a 4 GB card the next time I reboot. Wow! If this
>gives me an extra 4 GB to my 3 GB computer under Vista, I will be pleased.
>
>Thanks, David
>
>
>Mike the mod wrote:
>
>
>
>>Hi Sandi,
>>it is a feature found in Vista/Windows7 that allows you to use a
>>USB flash drive/ smart card as extra ram.
>>
>>
>
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