HOW TO: Disable IDE Error Checking

From: Dan (anonymous_at_discussions.microsoft.com)
Date: 02/21/04 

Date: Sat, 21 Feb 2004 11:49:15 -0800

I need to find out how to disable the error checking that
XP does on IDE hard drives. My system runs real fast
until I start working with large files or alot of small
files. Any kind of extensive movement of files whether
reading from or writing to, XP lowers the Transfer Rate
from UDMA5 to PIO mode which kills the performance of the
system. When this happens it makes it impossible to work
at all without rebooting. Any suggestions? I know my hard
drives are perfectly fine, as it does the same thing with
all of my drives including a new one. I am running XP Pro
with an Athlon XP 2400+ processor and 1GB of Memory. My
hard drives (5 of them, 4 are on the primary/secondary
ports on the mainboard, and the 5th is on a promise pci
controller card) are all Western Digital and vary in size
from 100GB to 200GB. I have a clean install of XP with
SP1 and all available patches and updates. If there is
any other information that I'm missing which would help,
please let me know. Thanks.

                        Dan

Note: The error checking i am referring to is when XP
detects 6 or more CRC errors or something like that and
downsteps the transfer rate of the ide port a given drive
is connected to until the errors go away. In my case, PIO
is as low as it goes, but is too slow.

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