Hi Joe, Thanks for the additional info, that was something I didnt know (I should have guessed that).
Best regards Nils Valentin Tokyo / Japan http://www.be-known-online.com > [EMAIL PROTECTED] wrote: > >>Forgot to add one thing. >> >>As for the Power Supplies (PS). I tried everything from 400W to 550W and >>came to the conclusion that mostly 400W is fully acceptable for most >>machines (1-4 disks). I know that the shop assistants often recommend >>stronger Power supplies (after all thats their business ;-). >> >>Bear in mind that the heat has to go somewhere ;-) >> >>Best regards >> >>Nils Valentin >>Tokyo / Japan >>http://www.be-known-online.com >> >> >> >>>O.K I guess I have to take the risk that Lord Sauron will flame me for >>>what I say next ;-) >>> >>>I would rather recommend you a 2xCPU MB instead of a single CPU MB >>>You will easily find many 2xCPU MB out there and you may want to >>> consider >>>the following: >>> >>>- most have only 32 bit PCI slots, look for 64 bit PCI slots and the max >>>bus speed (133mhz) >>>- server boards come (optional) with onboard scsi cards >>>- you may still find additionally 4xSATA & IDE on the same MB >>>- (optional) SCSI raid card >>>- (optional) server admin card >>> >>>If you take this all into conclusion you will probably opt for the >>>S2882UG3NR or a similar board from another maker >>>http://www.newegg.com/Product/Product.asp?Item=N82E16813151151 *no scsi >>>http://www.newegg.com/Product/Product.asp?Item=N82E16813151152 * with >>> scsi >>>http://www.newegg.com/Product/Showimage.asp?Mode=&Type=&Image=13-151-152-01.jpg%2C13-151-152-02.jpg%2C13-151-152-03.jpg%2C13-151-152-04.jpg%2C13-151-152-05.jpg&CurImage=13-151-152-02.jpg&Description=TYAN+S2882UG3NR-D+Dual+Socket+940+AMD+8131+Extended+ATX+Server+Motherboard+-+Retail >>> >>>Note the scsi raid card socket (option), white and in the middle left) >>> >>>Having the 64 bit pci bus also allows you to navigate real HEAVY loads >>>between scsi discs and the CPU & Memory. >>> >>>Regarding CPU I would probably choose the 246 or 248 ($240-310) which >>> are >>>slightly cheaper than the 252 and, lets face it, the CPU speed alone >>> wont >>>really change so much on the systems performance. >>> >>>http://www.newegg.com/Product/Product.asp?Item=N82E16819103412 >>>http://www.newegg.com/Product/Product.asp?Item=N82E16819103433 >>> >>>Another concern is the heat those CPU beasts produce (90W each). You may >>>want to find a cooler solution which doesnt grill you or the CPU and >>> also >>>doesnt make you death. (I am sitting next to such a beast right now ;-) >>> >>>Most cooling systems go up to the 246 or 248. Finding one for the 252 >>>might be difficult. I had a hard time finding a cooler which would do >>> his >>>job for the 248 while still allowing me to hear my own voice ;-). >>> >>>I would invest the saved money (compared to the 252) into Memory or SCSI >>>and use the SATA for a backup solution. I prefer SCSI, as for me it has >>>shown to be reliable in the long run and still outperforms most SATA/IDE >>>setups. >>> >>>Note that 2xCPU systems are not twice as fast as single CPU systems. The >>>SMP setup does have a bit of a overhead on your OS, so expect something >>>like 0,8x the speed of a single CPU system. >>> >>>What the 2xCPU system gives you however, is the ability to handle heavy >>>load. It can handle obviously more requests than a single CPU system. It >>>will also take advantage of the hyperthreading bus *communication bus >>>between the CPUs. >>>This means that CPU1 can *borrow Memory from CPU2 if it is required for >>> an >>>application. >>> >>>For the case I would choose the CM Stacker. It does Unfortunately not >>>offer the redundant PS, but you can put 2x PS from the maker of your >>>choice. It wont be hot swabable, you will have to switch the plugs >>>yourself. >>>http://www.newegg.com/Product/Product.asp?Item=N82E16811119042 >>> >>>The design is also quite appealing I believe. If you do opt for the CM >>>Stacker make sure to get the Optional Cross floor fan. >>>http://www.newegg.com/Product/Product.asp?Item=N82E16800887011 >>>It will make sure to get the heat out of the case, and that silently. >>> >>>If you prefer to show off the case, there is also a sie window available >>>http://www.newegg.com/Product/Product.asp?Item=N82E16811999760 >>> >>>I hope that I could make some valid points to make your decision easier >>>for your next system. >>> >>>The system above is more expensive than "Lord Saurons" setup but it adds >>> a >>>lot of options and is really a sound system (not to say a beast ;-) >>> >>>I usually buy the parts not all in one go, but as required. >>> >>>Newegg as suggested by "Lord Sauron" does give a good service and I can >>>back him up with that. >>> >>>I currently have 2 Opteron systems online which should be accessable for >>>the public. >>> >>>1) 203.143.127.108 >>>2) 203.143.127.98 (testing) >>>3) 203.143.127.99 (from October) >>> >>>Do you have the possibility to take an opteron system for a testride ? >>>(You might find that some shops might let you try a system) >>> >>>Best regards >>> >>>Nils Valentin >>>Tokyo / Japan >>>http://www.be-known-online.com >>> >>> >>> >>> >>> >> >> >> >> > On the topic of power supplies, buy a decent supply from a good brand - > far more important than sheer "wattage". Companies like Q-tec lie about > their wattages anyway, and their 650W supplies can barely push 300 > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact > [EMAIL PROTECTED] > > -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
