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Internal PATA is extremely slow (3 mb/s)

nickle

Junior Member
I couldn't find what was wrong anything where on the net so hopefully someone could help out.

Ok so I have a sata connection to the main hard drive that i run my os off of (winxp) and an internal PATA hard drive.

The sata is fine. The PATA is incredibly slow. I thought for up until now that it was just because pata's were going to be that slow but whenever i move big files (say like a 700mb file) from my SATA to my PATA (or to), my computer will more or less lock up and everything will get bogged down like crazy (my mouse stutters across the screen). I can't do anything.

Anyone know what's wrong with this? The connections are just regular sata for the sata and regular ide for the pata (no controller cards or anything like that).

 
it seems like it's runnning udma-5.

i thought it would be a simple pio problem as well so i'm trying to make sure the bios is correct right now.
 
so i realized that in my setup my hard drive was attached to the secondary ide attachment (the one in the middle). When I attach the hard drive to the first one (at the end), the hard drive isn't recognized.

Again, the SATA is the master, the PATA is the slave.

This is w/ a brand new cable and it is running dma as posted before.

Any ideas?
 
Originally posted by: nickle
so i realized that in my setup my hard drive was attached to the secondary ide attachment (the one in the middle). When I attach the hard drive to the first one (at the end), the hard drive isn't recognized.

Again, the SATA is the master, the PATA is the slave.

This is w/ a brand new cable and it is running dma as posted before.

Any ideas?

SATA and PATA are not the same cable. 😕

Put the PATA drive on "Cable Select" and put it at the end of the IDE cable. The SATA drive should be on its own cable, of course.

- M4H
 
i know they're not on the same cable.

i'm saying that i tried the config that you just said in the beginning (cable select for the pata, on the master end of the cable, with sata on its own)...the sata is recognized (and bootable) but the pata isn't even recognized by the bios.
 
has he pata drive always performed like this, or is it a recent development? if so, what was changed? what are the drive models? what motherboard are you using? is any OS installed on the ide drive, or is it just a storage drive? use a different ide cable (preferrably one you know that works well, or a new one). if you can, try the ide drive in another computer, see if it acts the same there too. if you don't mind dealing with the hassle, you may want to try to take the sata drive out and install an os on the ide drive, see if it acts the same by itself.
 
i couldn't solve the problem. i just swapped my internal PATA with my usb PATA drive and randomly it is fine.

i guess it's the drive but the drive is perfectly fine and hasn't given me any problems before.

it's been like this ever since and nothing's changed....i just haven't had to deal w/ it so i haven't noticed it much before (that it was that slow).

so yeah, thanks for the help guys and gals.
 
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