By the Way... I see that the new MobileStor 2.5” 160g 5400 rpm drives are now out. But at $399 US, it may be better to wait awhile for prices to come down. http://www.mcetech.com/ms.html jg On 18-Jan-06, at 10:48 AM, John Griffin wrote: > ATA means ’Advanced Technology Attachement' and is the serial > interface for internal hard drives used by Apple since they > abandoned SCSI many years ago. > > I would suggest you navigate to Other World computing Laptop > internal Hard Drive replacement list: > > http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/ > > You will notice they are listed as IDE (Integrated Drive > Electronics). Don’t worry, this is the same as ATA. Pick out the > one that seems right to you. They are a very reliable source for > all things Macintosh. As you can see it is a very exhaustive list > of drives made by all the major manufacturers. They also list the > size of the drives and you should make sure the drive you get fits > into the space that your old drive occupied. > > Good Luck > > jg > > On 17-Jan-06, at 10:56 PM, Jerry Krinock wrote: > >> We need a new hard drive for my wife's old 800 MHz Titanium >> powerbook. The >> hard drive is described in System Profiler as: >> >> ATA-4 Bus >> IBM IC25N040ATCS04-0 >> >> It's 40 GB, but I don't know what "ATA" stands for, etc. Can >> someone please >> translate the above into some keywords that I could use for >> searching eBay >> etc.?