IDE 1,2, HD, HD, CDROM, CD-RW does it matter?

I have two Harddrives and two CD Roms I want to hook up to two IDE's. I was going to put the HD's on IDE 1, and the CD's on 2. (IDE 1, Harddrive-master, HD-Slave, IDE 2, CD ROM-Master, CDRW Slave). I was in a shop and the "tech" said not to put the CD Rom's on the same IDE. (IDE 1, HD-Master, CD-Slave. IDE 2, HD-Master, CD-Slave).
What's the best way to hook up 2 HDrives and two CD Rom's? Is there any differences? Why? Thanks, Chris.

 

Your original approach gets my vote. As to the guy you talked to, I'd call him HISTORY.

 

My setups are like this:
IDE1 = Primary Master--Harddrive
Primary Slave--free or use for a second harddrive
IDE2 = Secondary Master--CD-R/RW drive
Secondary Slave--CD-Rom or DVD-Rom or other Ide device

Always seem to work fine for me but I have heard of putting the CD-Rom on a different channel then the CD-R/RW but I don't know the reason behind it.

Bubba169

 

Thanks for answering. I have found out that it IS better to have the CD's on different IDE'S. An IDE Cable can only be used by a divice one at a time. The way the buss works, if there on different IDE's they can both work at the same time. Sure, it will work both ways, but it's FASTER if there on different IDE's.

 

I'll disagree with you but if you are happy, so be it.

 

Optimal is to connect CD-RW drive onto separate IDE cable. CD-ROM(RW) on the same cable with HDD slows the HDD. Another device on the cable with CD-RW could break the burning process.
I personally have 2 HDDs on first cable, CD-RW and DVD-ROM on second. I can't operate with DVD while burning, it always causes buffer underrun.
Note: I have an old CD-RW drive. Maybe there some mechanisms (Buffer underrun protections) that prevents it.