DMA (Direct Memory Access) allows your Hard Drives or CDROMs to access memory directly, thereby freeing up CPU resources. The drive transfer rates will be much faster. You can enable DMA on a per channel basis, and all devices on that channel have to be DMA capable, but most drives these days are (although some CDROMs may not be).
To enable DMA, right-click
controller
you want to enable, and in the properties window that appears, click the Advanced Settings tab. Each device has a "Transfer Mode" that you can change to "DMA if available." Choose that setting to enable DMA.
PIO Only
is much slower than DMA transfer rates & the Page File (discussed later) benefits from a faster data transfer rate, assuming the hard drive(s) support it. Go back to devices and change any other ones available and then Click
Ok
&
reboot
your system for the changes to take effect
.
The heart of the
computer is the CPU (central processing unit) and the memory banks. Memory stores the instruction and files; the CPU processes the instructions.
What is Virtual memory?
It is a hidden file on the hard disk that Windows XP uses to hold parts of programs & data files (that do not fit in physical memory). The paging file & physical memory (RAM) comprise the virtual memory. Windows XP moves data from the paging file to memory as needed & moves data from memory to the paging file to make room for new data. The
pages
to the hard disk, storing them in the
dvanced
tab and look on bottom you will see
Virtual Memory
and a
Change
button.
Custom Size
. Click this to se the initial and the maximum size (all are in MB). You will note at the bottom Windows suggests a minimum and maximum (recommended) size. Windows initially sets recommended at 1.5 X RAM. Even though I have 1 gig of RAM, I have found that RAM X 2 works better for editing. This surprised me but I have verified and not exactly sure why other than has to do with the way Premiere utilizes RAM. That said realize that on a system like mine that is 2 gigs so make sure your drive has that much capacity.
There has been a lot of argument on where to put the page file. Of course it makes sense to put it on a HD that is fast but not constantly utilized for video editing access. Here is what makes sense to me. This also follows with what MS recently published. Your system drive has a portion blocked out for the page file when you first loaded XP. Where it is located should be on the outer edges of the HD (for faster access) unless other OS were also installed on the same HD. However, placing the pagefile on the boot partition does not optimize performance because Windows has to perform disk I/O on both the system directory and the pagefile. Therefore, it is recommended that you place the pagefile on a different partition and
Tips: Älteren Laptop fit für Videoschnitt machen Mo, 7.Mai 2012 Wir wollten wissen, wieviel Performance Gewinn wir aus einem 2008er Laptop Model herausholen können, wenn wir an zentralen Stellschrauben wie RAM und Festplatte mehr Speicher, bzw. schnellere Festplatten (SSDs) verbauen. Wir können bereits hier vorweg nehmen: Es lohnt sich allemal, die Ausstattung des Rechners auf den Prüfstand zu stellen … aber aufgepasst: SSDs sind ein weites Feld!
Erfahrungsberichte: Sandy Bridge - Sinnvolles Overclocking und Hyperthreading Mo, 21.Februar 2011 Die neuen Sandy Bridge Prozessoren von Intel brauchen deutlich weniger Strom als ihre Vorgänger. Dies freut sicherlich alle Power-Anwender, deren Computer 24 Stunden am Tag durchrechnen und sich entsprechend auf die Stromrechnung auswirken. Doch auch für das Overclocking hat die geringe Stromaufnahme massive Auswirkungen...
Benchmark
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