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aaarg! new rig construction issues/questions

dakels

Platinum Member
I was installing a new Zalman 7000 ALCu. What a PITA! The thing is really too big, it blocks one of my RAM slots on my Gigabyte 8KNXP (I had to install the RAM first then add the cooler) and it's a bit tight to my DPS2 power card. My main issue was just getting the thing to mount on the brackets. The space between the screw mount and the bracket was so far away I had to get an extra set of hands to help me hole the bracket up (It has play space) while I evenly held the 7000 down to screw it down into the mounts. The first attempt was a disaster, I put so much pressure on it (hard to tell with the heavyness of the cooler) that my P4 2.8C started coming out of the socket on one side while it was locked down! I took the whole thing off and checked my P4's pins. Reseated it and tried again with the help of another person. Finally got the thing down then realized how stupid I was... My Xaser III case with the Hardcano has a temperature probe that is supposed to sit inside the pins of the CPU. You're then supposed to sit the CPU down into the socket with the temp probe sandwiched in there.

Now I'm kinda new to this whole thing so I'd like some advice. Can the temp probe cause any potential problems at all? Even the slightest possible rumour of a problem would make me not put it in. Its just not worth risking my $300 processor over. Also, this Gigabyte 8KNXP motherboard is pretty feature rich, doesn't it have temperature monitors reported in the bios? I would assume those aren't as accurate though as a real probe under the CPU? Also, was this zalman fan normally this much of a b!tch to mount? Seemed extremely excessive to me to require that much pressure on such a delicate and critical part. Even mounted I gotta assume there's a great deal pressure on the CPU. Good thing it's a P4 with a large copper plate topside, I'd be afraid to put that much pressure on a smaller core. I didn't even want to screw it down all the way. The screws already had alot of resistance from the start. They are secure so I went about halfway down for fear of putting too much pressure on it.

I used AS3. I didnt have any 99% isopropyl alcohol on hand, had 70% so I used that. There shouldn't be any problems with that right? The extra 28% difference is just water and I let each mating surface dry thoroughly before applying the AS3. I should note though that the ambient conditions sucked. It was like 80 degrees and rediculously humid, say 90%+ humidity. Will this be a factor when applying AS3? That much humidy would probably be a slight effect on the AS3 but I figured any extra water moisture would cook off the first time I turn the CPU on. I also used high quality paper towels to clean the surfaces. Thes don't seem to lint at all (I checked it on very reflective glass first to check for lint residue). I am not spreading the AS3 with paper towels (razor), just cleaning the mating surfaces with it prior to the AS3 application.

I also noticed my board only takes double sided DIMMs on only 2 of the 6 slots (slots 1 and 4). The others are for single sided chips? Thats a bit odd, especially on a top shelf mobo with all new features. What's up with that? It said something in the manual about being able to use double sided RAM in the other slots given certain configurations. To be safe I installed my Hyper X PC3200 double sided 512mb modules in the definite double sided approved slots in dual channel config.

One other thing, I'm not familiar with the benefits of the DSP2 module. I know what it's supposed to be for but doesn't anyone know if it's better to put it in or leave it out for normal/light OC usage? I know its not required. As long as it doesn't negatively affect performance I'll just leave it in. At the least it looks cool and its not another spare part laying around. 😛

thanks for any input.

btw the black Xaser III case is complex but fantastic to work in so far. I'm really happy with my choice. I have only one fault with it and a minor one at that. The screwless PCI system doesn't fit with large PCB cards like my Radeon 9800 or Audigy 2. Of course I haven't turned it on yet... the sucker could sound like a hurricane with it's 7 case fans but at least all can be controlled by the fanbus if max speeds are too loud.
 
one more question, does a fanbus control speeds of a fan regardless if the fan is variable speed or not? My Xaser case fans don't have the extra control wires my Smart Fans 2's have. Just power connectors.
 
Originally posted by: dakels
one more question, does a fanbus control speeds of a fan regardless if the fan is variable speed or not? My Xaser case fans don't have the extra control wires my Smart Fans 2's have. Just power connectors.
the extra wire is to report the speed, not control it. A fanbus reduces the voltage to the fan using the 2 power wires to slow it.

Using a fan control on a variable-speed thermally-controlled fan might or might not work, but is kind of silly since the fan is already slowing itself down when its temp sensor says it is cool.

(ed) using a fanbus on a fixed-speed fan that just happens to have a third wire to report its RPM is fine.
 
ok the noob is getting screwed here
I set up the box and no power... Won't do a damn thing. The rhoebus Hardcano is confusing me. The instructions are about as extensive as a 2 line speech. Still even with it all disconnected it should boot up or a MB light should go on or something... it's not showing any signs of life. I am not looking fond of taking the motherboard out to check for shorts. I can't tell if it's the PSU either.

Would no sign of life indicate just a PSU problem or could it be mobo also? Shouldn't at least a power led light up on the board itself?

ugh... this sucks and I'm angry and confused 😛
 
dakels, how secure is the Zalman 7000? I was considering getting it, but I've read it isn't as secure when mounted as other HSFs. Would you be worried about transporting your comp with the HSF still mounted?
 
Originally posted by: Alphanos
dakels, how secure is the Zalman 7000? I was considering getting it, but I've read it isn't as secure when mounted as other HSFs. Would you be worried about transporting your comp with the HSF still mounted?

I'd say its pretty secure. It's not going anywhere but it does have a slight amount of play movement due to the looseness of the clip design. It's extremely slight. Just enough to twist maybe 1/16" and it only did that for me cuz the AS3 I had was just fresh and wet still and I was feeling it with my hand looking for movement. It won't move on it's own. I was moving the case around up and down from side to standing and it didnt move at all, not even slide with the play movement I was referring to. Still, its alot of weight. Unles the case was on it's side (motherboard is level), I don't know if I'd leave it on for extended trips. The weight is not something I'd want to stress on the motherboard with a bouncy car or moving fan. I wouldn't recommend a Zalman 7000 for a person who moves the computer around alot, like for LAN parties or whatever.

If you want to continue reading, below is a little mini review of my installation experience.

The Zalman 7000 ALCu was pretty difficult to put on. I wouldn't recommend it for older chips with small contact areas/die. The P4 C processor I used was ok because they have a large copper spreader on top whereas a smaller athlon or Celeron cores would probably get damaged from such force. Since the P4 has so much contact area, it spread the weight/pressure more evenly. I don't think I'd risk the amount of pressure that was needed to fit this HS/Fan on a small core contact area.
picture of cores from AS website -scroll down about 2 pages.

I haven't installed it on other motherboard/processors but if the spacing from the screw mounts and the bracket is the same, which I assume it would be, I'd actually recommend having 2 people to install the 7000. One to keep even pressure on the HS so it doesn't kick up on a side while trying to get your first screw in. The other person to screw it in while holding the bracket up.

The tip of 1/4" screw was about a whopping 1/4" away from the hole before starting! I thought something was wrong since the gap was so far. I then had to push the bracket up (about 1/8" play space), then slightly bend the screw clip on the HS down to meet the mounting bracket. I just turned the screw enough to hold it then went to the other side to attach that. This way when I went to screw it down I could tighten it evenly. I tightened to about 3/4's of the screw leaving about 1/4 left untightened. I just didnt think any more pressure was necessary and the HS was very secure and not going anywhere.

Now in hindsight, I think I may have benefitted from pre bending the HS's screw clips, just a little bit. I tried this on my second attempt to mount the HS but I didn't do it enough but still, bending it a little did help. I took the Zalman 7000 off to try to add a temperature probe and reapply the AS3 which I felt had to have been messy after the first fumbled mounting. When I reattached it the second time after the clips were bent down a little bit, I was able to reattach by myself but only with the greatest of dexterity. Like as in my forearm was holding the HS level while my fingers were propping up the bracket, while trying to screw it down all at once. I was like a human pretzel.

Due to the wide mushroom shape of the Zalman 7000, the first RAM slot of my Gigabyte 8KNXP motherboard was blocked from above, meaning I had to add the RAM in first then lay the HS down afterwards. It was also very tight on my DPS2 card. Not really bad but enough to slant the DPS2 card ever so slightly. Not harmful though. The fan mate has a pretty short wire but my Xaser III case had alot of nearby space where I stuck the fanmate on the wall of the case with double sided tape. The fanmate and cooler started up beautifully (after I had my unrelated mobo short figured out). I was really impressed at the amount of air it pushed even on low speed. I cranked the sucker to max speed via the fanmate and all you heard was the sound of air flowing. LOTS of air. No whiny high pitch mechanical sound though, thank god. The large 92mm fan and the low rpm, even at max speed was really very quiet. After closing the case, you can't hear the fan at all, even with all my case fans tuned down to minimum rpm, I couldn't hear the Zalman 7000. Temperture probe reported a cool 42-43ºC even when my ambient temps were 90-95º (it was a scorcher last night). My Gigabyte 8KNXP Bios reported a 46ºC temp. Even if both were slighty low, considering the ambient temp was 90-95ºF with 90% humidity, I'd say the Zalman 7000 ALCu was doing it's job quite nicely.

Overall the experience was not one I care to repeat. I guess it would be alot easier if I had known to bend the clips down a little first but no information anywhere stated anything like this would be needed. The size is also a major problem. The fact that it covers one of my important RAM slots is not a good thing. I was able to get the RAM in there before putting the HS on but I know that to access that chip again, I'll have to remove the HS. On some motherboards I could see this large HS being a problem. Another negative factor is the weight. Even the lighter ALCu gybrid model is a hefty package. Such weight puts a decent amount of stress on the motherboard and mounts. For someone who takes their case on the road alot, like a LAN party goer, I wouldn't recommend such a heavy HS+fan. I have to admit though, this thing looks pretty badass. It's an impressive looking HS+fan but that ultimately means nothing to me as I don't use or want windowed cases. Performance is what matters for me. In that area I'd have to say it performed very very well. The fan noise pushed a noticiably high amount of air (CFM) with a very low noise factor even on max speed. Any noise coming from this at all was only heard when the case was open and the sound is only of air moving, no annoyng whine that some fans can have. As for the cooling, well the ambient temp was 90-95º with 90% humidity and my temperature probe read 43º and the bios read 46ºC. Pretty freakin awesome. This was not under a 100% load but a decent load (some systems diagnostics and windows installation). Overall I'm happy with the cooler for what I want, would I recommend it though? Probably not unless I knew that it wasn't going to conflict with their motherboard layout, they had a large die CPU like the P4, they weren't going to transport the case alot, and they knew how difficult installtion can be. That's alot of negatives. On the plus side, if all these factors are ok, then I think it's the best performing noise/temp cooler I ever used (Not that I'm an heat sink expert). It's cool, cool looking, quiet, easily controllable, and reasonably priced (I paid $32) all you could ask for in a premium CPU cooler as long as you know what the negative factors are and they don't bother you.

 
Did you say "mini" review? 🙂 Nice job. It's a real b!tch the first couple times building a new rig... but well worth the extra time and effort in the end! Good job, and hope it rocks for ya!
 
Originally posted by: bocamojo
Did you say "mini" review? 🙂 Nice job. It's a real b!tch the first couple times building a new rig... but well worth the extra time and effort in the end! Good job, and hope it rocks for ya!
Thanks!

But of course my stupid@ss decided to get one of the most complex mobo's and cases as a first project. Then complicate matters by mixing proprietary parts with normal retail parts. Then I am having a rediculous amount of complications trying to install XP and XP pro.

Look here for the details and about OS installation problems I am having. Maybe you can advise cuz I am at my wits end.

The rig itself is up and running ok but I can't get an OS to install. 🙁
 
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