Adding SCSI-2 Drive to Compaq Deskpro 2000

[EDIPRO]

I have added a Seagate 12550WD 2.1 gig Drive and a Tekram 390U2W SCSI Controller. I think I have the Termination properly set. This is a Differential Drive and requires no terminators only a jumper setting. The cables are set. The Drive powers up and is spinning. I do not see the drive in the Tekram Bios. It keeps saying no valid device exists. What am I missing? Windows 95 is not detecting the drive although it one time said it detected a new serial mouse, which is not there. Either I'm missing something or perhaps SCSI doesn't mix with IDE, EIDE. Please Help! I am to the point of trashing $300 worth of equipment.

 

[prime]

OK, I'm not all that experienced with SCSI, but I do have a small DX2 Server here at home, and it uses a primitive SCSI type, I'm not sure if it's SCSI-1 or SCSI-2. Anyway, I found that I couldn't mix IDE with SCSI in my case, but nowadays it should be possible. how old is the equipment? <br><br>First question, did you buy the drive and card as a package/together, or are they just two pieces of hardware that you assumed would work together? Make sure that the tekram controller actually supports the segate drive. <br><br>With my setup, I've got a HDD, Tape and CDROM drive all on the same SCSI controller, and the tape drive has a built-in terminator, so I've never needed to use a terminator in the sense. <br><br>I also keep my LUN as 1, I don't know if you can have another one instead, but you might want to try that if it isn't already.<br><br>Don't overlook the simple things, like make sure that the cable is plugged in the right way, I've made that mistake plenty of times.<br><br>Lastly, I'd take everything out of the case, except the video card (If it's not on board) and the SCSI controller, and then see if it works.<br><br>Is the controller PnP? if not, it might have an IRQ conflict with another piece of hardware.<br><br>Hope this helps.<br> <p>R@hn<br><a href=mailto:rahnmorphius@hotmail.com>rahnmorphius@hotmail.com</a><br><a href=

http://www.geocities.com/rahnmorphius>Visit

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I've built all of my machines from scratch, ranging from my first XT-10 to my current P133. There are 7 computers in my house currently, and they are all networked. Network games are a must! FEAR THE PENGUIN!

 

[EDIPRO]

I discovered from Seagate that the ST-12550WD Drives are High Voltage Differential (HDV) and require a special controller which is now obsolete. In fact neither HDV Drives or Controllers are manufactured any longer. I was able to exchange the drives for a single ended LDV drive that is compatible with my current controller. I have installed the drive and partitioned it into 4 drives which gives me a total of over 10 gig hard drive space. The controller cost about $ 160 and the drive $ 160, so for about $ 320 I was able to gain this extra space. I would say this was an expensive experiment since there are plenty of larger IDE drives I could have purchased for the same price or less. An expensive lesson for those of you who see these 2.1 gig drives being auctioned off for around $ 25 each. Be careful!!! For me, I am happy to have gained the experience. I am now a certified SCSI Geek. <br><br>Thanks for the feedback!! I have two networked together and am working on a 3rd.