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ATA-100 in Windows w/ATA-100 PCI Controller?

T

trots

Member
I read the Windows 2000 Tips and Tricks thread and saw that Windows doesn't support ATA 100 at all. I have an ATA-100 PCI card (it shows up in Device Manager under "SCSI and RAID Controllers&quot😉 and I have my 2 ATA-100 hard drives as master/slave on its Primary IDE connector. Am I getting ATA-100 there, or does Windows just not do it no matter what?

Also, since I moved the HDs off, the Primary IDE connector on my mobo is now empty. My DVD & CDRW (master/slave) are both connected to the Secondary IDE. Both devices on the Secondary IDE Channel now show with Ultra DMA Transfer mode after following the directions in the Tips and Tricks. Would I gain anything by getting another 80-pin cable and putting the DVD drive on the Primary mobo IDE by itself, and do the same with the CDRW on the Secondary, both as masters? Perhaps it would help when doing a disc-to-disk cd burn (and maybe even make fewer coasters)?

Everything's working fine, just wondering...

Thanks
 
Windows *typically* treats non-ATA33-on-the-mobo IDE ports as SCSI devices. To be more precise, the drivers for these controllers (ATA66/ATA100) take advantage of SCSI protocol and tend to show up as SCSI devices in Windows. Fear not, all is well. 🙂 Chances are that the drivers are already optimized for the fastest transfers anyway.

Run something like HDTach or Sandra to prive things to yourself.

As far as putting CDRW and DVD on different channels. You'll only see a boost when copying/burning CDs. Neither of the devices will benefit from an 80-pin cable. 40-pins should deliver the exact same performance.

-SUO
 
Oh, I assume that means CDRWs and DVDs are only ATA-33, is that correct?

I'm so ignorant about this stuff!
 
Most DVDs are ATA33, although some of the faster ones are ATA66. Same applies for CD-ROMS, and to a lesser extent, CDR(W)s.

Check with your manufacturer to be sure.
 
So then shouldn't ATA-66 use an 80-pin cable? I'm just trying to understand why SUO said a 40-pin will deliver the same performance... or is it just ATA-100 that needs 80-pin?

Does my 40-pin device (tape backup) suffer at all from being on an 80-pin cable attached to my PCI-100 card?

 
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