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Advice needed for a SCSI setup

Trish's Escape from Hardware Hell Help Board » Hardware » Hard Drive and Storage Related » Advice needed for a SCSI setup « Previous Next »

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Posted on Tuesday, November 30, 1999 - 2:49 pm:   

I am building a new computer, and I am pretty capable as far as the basics go. A local shop was going to set up my SCSI components, because I have very little knowledge on SCSI. Problem is, the shop closed down and the owner moved away.
Here's the components I need to include...
1)Brand new Castlewood ORB internal drive (ultra-wide SCSI).
2)Brand new Iomega Jaz internal (says ultra SCSI for best performance).
3)Existing SCSI internal Zip drive (don't know what SCSI level it is).
4)Plextor PlexWriter 8/2/20 (fast SCSI).
5)Plextor 12/20Plex reader (fast SCSI)- with the possibility of upgrading this drive to a Plextor UltraPlex 32 (ultra SCSI).
I haven't bought the SCSI adapter yet, but I think he was going to use an Adaptec 2940U2W adapter, but I could be wrong.
Since I don't have a clue what I am doing, could someone recommend an adapter (some of my software prefers Adaptec 2940), basics of how to set it up, and any other helpful info? I have to get this machine up ASAP, but I'm stuck.
If more info is needed, it is a dual 500 Celeron setup on an ABIT BP6 mobo, not o/c'ed, 96MB RAM, and an unreal amount of HD space. It is used for various forms of music production.
Thanks in advance.
Posted on Wednesday, December 1, 1999 - 2:55 pm:   

Fasten your seatbelt, there may be some turbulence as you enter the scsi zone. It looks like all of your stuff is at least scsi2, and no more than ultra wide. The main things to consider are termination and i.d. Make sure that each device on the bus has its own unique i.d. number by configuring the jumpers according to manufacturer spec.s. Then make sure that the last device on the bus has either the termination jumper installed, or the termination resistor in place. If you have the scsi adapter in the middle of a bus, make sure both ends are terminated. Always make a bootable scsi device i.d. 0. When in doubt, use the default settings. As for scsi adapters,it's hard to go wrong with the Adaptec 2940u2w. Even though you're not listing any ultra2 devices, you won't regret having the extra speed if you want to put in an ultra2 hard drive later. The u2w only costs about $50 more than the uw, and you have the advantage of being able to use all four of the connectors simultaneously rather than just two of the three on the uw. The users reference that comes with the u2w has a wealth of info on termination, scsi i.d., etc. Adaptec's site is also a goldmine. Repost if you have more specific questions as you go along.

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