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Voltages & Stability

Discussion in 'Hardware' started by Avocado505, Jun 22, 2005.

  1. Avocado505

    Avocado505 Bit Poster

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    Just looking for a bit of feedback re system stability in relation to voltages, particularly core voltage...
    Basically my m-board is a bit of an antique now (Jetway V266B)so doesn't have features built into it that a modern board does eg firewire, LAN etc.(Yes I know I need to upgrade lol :oops: ) so consequently I've ended up filling all 5 pci slots with cards to have these features/connections on my system. Recently since adding firewire card as the 5th card on board I've noticed instability that looks more like hardware than software (? system freezing for no apparent reason and even a freeze during boot which has never happened before) so today I was using motherboard monitor 5 to look at voltages. I only have a 300W supply running all this incl 2 case fans :rolleyes:
    Anyway...at some point soon I gotta upgrade board and chip I know( & PSU) but based on the included voltages on mbm5 log does anyone think voltage on core is low enough (should be 2V)to cause freezes ? cpu = Athlon 1700XP+ . I have no other pc at home to compare with...

    +-------------------------------------------------------------------------+
    |Total number of readouts: 576 CPU Speed: 1473 MHz |
    |Running from: 22/06/2005 12:44:40 until: 22/06/2005 14:14:35 |
    +-----------------------------+----------+----------+----------+----------+
    |Sensor | Current | Low | High | Average |
    +-----------------------------+----------+----------+----------+----------+
    |Case | 32° C | 32° C | 33° C | 32° C |
    |CPU | 45° C | 45° C | 45° C | 45° C |
    |40 Gig | 38° C | 32° C | 41° C | 38° C |
    |Core 0 | 1.74 V | 1.73 V | 1.74 V | 1.74 V |
    |+3.3 | 3.26 V | 3.25 V | 3.28 V | 3.26 V |
    |+5.00 | 4.81 V | 4.76 V | 4.81 V | 4.81 V |
    |+12.00 | 11.80 V | 11.73 V | 11.86 V | 11.79 V |
    |-12.00 | -12.27 V | -12.44 V | -12.27 V | -12.28 V |
    |-5.00 | -4.89 V | -4.94 V | -4.89 V | -4.90 V |
    |CPU Fan | 3792 RPM | 3375 RPM | 3835 RPM | 3715 RPM |
    |Case Fan | 2463 RPM | 2445 RPM | 2500 RPM | 2474 RPM |
    +-----------------------------+----------+----------+----------+----------+
     
    Certifications: no IT certs yet...
    WIP: maybe A+ / MCSE ?
  2. Phoenix
    Honorary Member

    Phoenix 53656e696f7220 4d6f64

    5,726
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    Well all your rails are running under spec it seems, and any one of them could be causing problems
    they may all be within ATX spec tollerances, but this doesnt guarantee stability
    a bigger PSU should fix this, but whereas new boards have built in capacitors to help regulate and distribute power, older ones obviously dont, so it may well be the board cant pull enough power over each rail to power all the gear

    :/
     
    Certifications: MCSE, MCITP, VCP
    WIP: > 0
  3. Avocado505

    Avocado505 Bit Poster

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    Cheers Phoenix...I felt that the 12v 5v etc were low myself. However on reflection I was bein dumb saying that the core voltage should be 2V :oops: This is merely default setting on mbm5 for voltage alarm Duuh :rolleyes:
    Yep seems I gotta shell out for a better supply...pc has been behaving perfectly since I posted this thread of course :tune
    However whilst on the subject of voltages...I was a bit adventurous this AM and increased core voltage from 1.74 v to 1.8 v as my first experiment with overclocking. Being ignorant on the detail of this practice I'm not sure if I need to fiddle with host clock speed or ram timings as well? However chip read as same speed on mbm5 & merely got 1 C hotter. I do have a good heat pipe cooler on pc rated to cool a 3200 chip so wondered if possible to get a bit more out of existing system with overclocking? Could you advise? Cheers m8 :thumbleft
     
    Certifications: no IT certs yet...
    WIP: maybe A+ / MCSE ?

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