Ultra ATA vs Serial ATA?


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I bought a dell laptop back in late 2005. I want to try and upgrade the laptops hard drive. Its a 100gb hard drive.... Heres the deal: The motherboard supports PCI-e so I assume its fairly new... I'm having difficultly finding out what kind of motherboard it is.

The current hard drive is a Seagate ST9100823A. It says on it Ultra ATA. I've been running Linux on it for the past 4 years and have had to use the SATA drivers and it has always recognized my drive as /dev/sda.

Can I buy a SATA drive for this thing and will it work? If the motherboard has PCI-e, why would it have something as crappy as Ultra ATA? How do I figure out if it supports SATA/How do I figure out what my motherboard is so I can determine this....

P.S. The people at Dell are no help at all.... They just copy and paste non-technical specs to me that I already know.

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I bought a dell laptop back in late 2005. I want to try and upgrade the laptops hard drive. Its a 100gb hard drive.... Heres the deal: The motherboard supports PCI-e so I assume its fairly new... I'm having difficultly finding out what kind of motherboard it is.

The current hard drive is a Seagate ST9100823A. It says on it Ultra ATA. I've been running Linux on it for the past 4 years and have had to use the SATA drivers and it has always recognized my drive as /dev/sda.

Can I buy a SATA drive for this thing and will it work? If the motherboard has PCI-e, why would it have something as crappy as Ultra ATA? How do I figure out if it supports SATA/How do I figure out what my motherboard is so I can determine this....

P.S. The people at Dell are no help at all.... They just copy and paste non-technical specs to me that I already know.

From snarley25____________________

I dont think you can change hard drive type from IDE to SATA on a laptop. Your only option would be to use an external drive.

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