Results 1 to 13 of 13

Thread: PSU +12v line amps and X1900XT

  1. #1
    Registered+
    Join Date
    Aug 2003
    Location
    Devon
    Posts
    44
    Thanks
    3
    Thanked
    0 times in 0 posts
    • Flakvin's system
      • Motherboard:
      • Gigabyte GA-Z68AP-D3
      • CPU:
      • Intel Core i5 2400 @ 3.6GHz
      • Memory:
      • Mushkin Blackline DDR3 8GB 1600MHz
      • Storage:
      • Crucial M4 256GB SSD -- WD Caviar Black 640GB x2 RAID 0
      • Graphics card(s):
      • Powercolor Radeon HD7870 GHz Edition 2GB PCS+
      • PSU:
      • Corsair HX520W
      • Case:
      • Coolermaster HAF 932
      • Operating System:
      • Win7 x64
      • Monitor(s):
      • Acer G276HLABid 27"
      • Internet:
      • Eclipse ADSL

    PSU +12v line amps and X1900XT

    Howdy.. I'm thinking about upgrading to an X1900XT from a 6800Ultra. Now, I've been hearing/reading that you need 30amps on your +12v line from the PSU to be able to run the X1900XT stable. My current PSU: Hiper Type R 580w has, according to the manual, two +12v's.. one labelled +12v1 and +12v2. +12v1 has a max of 20amps on it and the +12v2 has 18amps. Does that mean I have a maximum of 38amps on my +12v, or do I only have 20amps max.

    Anyone care to help me out with this query?

    Cheers
    Sig here?

  2. #2
    Senior Member
    Join Date
    May 2006
    Posts
    530
    Thanks
    1
    Thanked
    6 times in 6 posts
    right well all i know is that i am running an x1900xtx on a seasonic 500W PSU if thats any help

    i get no power issues

  3. #3
    HEXUS.social member Agent's Avatar
    Join Date
    Jul 2003
    Location
    Internet
    Posts
    19,159
    Thanks
    733
    Thanked
    1,605 times in 1,044 posts
    You have split rails
    Some PSUs like Tagan can combine and split them depending on what you want, i dont think your PSU can, but have a check as im not 100% sure.
    It is a known "issue" with some PSU's, as the 30amps is needed off a single line. If your PSU cant do this, you may well run into problems.
    Quote Originally Posted by Saracen View Post
    And by trying to force me to like small pants, they've alienated me.

  4. #4
    Resident abit mourner BUFF's Avatar
    Join Date
    Jul 2003
    Location
    Sunny Glasgow
    Posts
    8,067
    Thanks
    7
    Thanked
    181 times in 171 posts
    depends what you also have on each rail & therefore the current draw.
    Imo you should be OK but there's only 1 way to find out for sure ...

    MSI P55-GD80, i5 750
    abit A-S78H, Phenom 9750,

    My HEXUS.trust abit forums

  5. #5
    Registered+
    Join Date
    Aug 2003
    Location
    Devon
    Posts
    44
    Thanks
    3
    Thanked
    0 times in 0 posts
    • Flakvin's system
      • Motherboard:
      • Gigabyte GA-Z68AP-D3
      • CPU:
      • Intel Core i5 2400 @ 3.6GHz
      • Memory:
      • Mushkin Blackline DDR3 8GB 1600MHz
      • Storage:
      • Crucial M4 256GB SSD -- WD Caviar Black 640GB x2 RAID 0
      • Graphics card(s):
      • Powercolor Radeon HD7870 GHz Edition 2GB PCS+
      • PSU:
      • Corsair HX520W
      • Case:
      • Coolermaster HAF 932
      • Operating System:
      • Win7 x64
      • Monitor(s):
      • Acer G276HLABid 27"
      • Internet:
      • Eclipse ADSL
    Pie_uk: Which Seasonic PSU model do you have? I checked the Seasonic website and it seems most Seasonic PSU's use +12v1 and +12v2 like mine does, so maybe there's hope for me and my PSU

    Agent: I've emailed Hiper about this, no reply just yet.

    http://www.hipergroup.com/English/pr...hpu-4k580.html << That's the PSU i have, dunno if anyone can see any info there which may be of use.
    Sig here?

  6. #6
    Senior Member
    Join Date
    May 2006
    Posts
    530
    Thanks
    1
    Thanked
    6 times in 6 posts
    S12 500 real good PSU ! best ive had to this date

  7. #7
    Member
    Join Date
    Jun 2006
    Location
    UK
    Posts
    89
    Thanks
    2
    Thanked
    0 times in 0 posts
    • The_Iceman's system
      • Motherboard:
      • Gigabyte MA790XT-UD4P AM3
      • CPU:
      • AMD Phenom II X3 720 BE
      • Memory:
      • Corsair XMS3 TwinX 4GB DDR3 1333MHz
      • Storage:
      • 500G & 250GB Spinpoint
      • Graphics card(s):
      • ASUS EAH4890 1GB
      • PSU:
      • Corsair TX750W
      • Case:
      • Coolermaster HAF RC932
      • Operating System:
      • Windows 7 Home Premium x64
    I've been wondering this also, please post back if you get a good answer Flakvin... I intend to pair up an X1900XT-X with the same PSU, my PC won't have loads of hard drives, fans or random accessories so I think this would be ok. Would be great if someone could clarify though.

  8. #8
    Senior Member
    Join Date
    Nov 2004
    Posts
    2,028
    Thanks
    3
    Thanked
    34 times in 29 posts
    • YorkieBen's system
      • Motherboard:
      • Gigabyte P35-DS3R
      • CPU:
      • C2D E4600
      • Memory:
      • 4 x 1GB PC6400 Corsair XMS
      • Graphics card(s):
      • Leadtek 8800GT
      • PSU:
      • Corsair 520W
      • Case:
      • Silverstone TJ06
      • Monitor(s):
      • Philips 20" Widescreen
      • Internet:
      • Post Office Broadband
    hardly any modern psu's have a single 12v rail of 30amps - the ATX2 specs (I think thats the one) asks for 2 12v rails neither exceeded 20amps. I think the 30amps is a combined ampage for both 12v rails.

  9. #9
    Registered+
    Join Date
    Aug 2003
    Location
    Devon
    Posts
    44
    Thanks
    3
    Thanked
    0 times in 0 posts
    • Flakvin's system
      • Motherboard:
      • Gigabyte GA-Z68AP-D3
      • CPU:
      • Intel Core i5 2400 @ 3.6GHz
      • Memory:
      • Mushkin Blackline DDR3 8GB 1600MHz
      • Storage:
      • Crucial M4 256GB SSD -- WD Caviar Black 640GB x2 RAID 0
      • Graphics card(s):
      • Powercolor Radeon HD7870 GHz Edition 2GB PCS+
      • PSU:
      • Corsair HX520W
      • Case:
      • Coolermaster HAF 932
      • Operating System:
      • Win7 x64
      • Monitor(s):
      • Acer G276HLABid 27"
      • Internet:
      • Eclipse ADSL
    Right well, I've taken the jump and ordered an X1900XT, so I'll either be very happy very soon or very pissed very soon (and out of pocket &#163;251). Info posted here and collected elsewhere shows I ''should'' be ok with this card and my Hiper PSU.

    I'll post what happens when the beast arrives.
    Last edited by Flakvin; 07-06-2006 at 11:01 AM.
    Sig here?

  10. #10
    Senior Member Dark Horse's Avatar
    Join Date
    May 2005
    Location
    Aberdeen
    Posts
    999
    Thanks
    0
    Thanked
    1 time in 1 post
    I've got my x1900xt clocked at 730/850 with max core/mem voltages on my hiper 480w so the 580w should be more than fine.

  11. #11
    Senior Member
    Join Date
    Dec 2005
    Posts
    245
    Thanks
    1
    Thanked
    8 times in 8 posts
    • Barkotron's system
      • Motherboard:
      • Asus X99-A
      • CPU:
      • i7 5820K
      • Memory:
      • 32GB Crucial Ballistix Sport
      • Storage:
      • 128GB Samsung 850 Pro (OS), 512GB Samsung 840 Evo (Games), various other SSD/HDD (storage, work)
      • Graphics card(s):
      • Inno3d GeForce GTX 980
      • PSU:
      • Hiper Something Something 800W-ish
      • Case:
      • Define XL
      • Operating System:
      • Win 8.1 x64 (fun!), Win2012 R2 (work)
      • Monitor(s):
      • Hazro HR27WD
      • Internet:
      • Virgin 120Mb
    Yeah, my X1900XT runs fine overclocked to whatever it is this week and I'm using a 400W Zalman PSU, so I certainly wouldn't worry about it. I think a lot of the hype about power requirements appears to be over the top - either that or vendors are just hedging their bets and claiming huge demands so customers can't complain if they have problems running the things due to a cheapass power supply.

  12. #12
    Registered+
    Join Date
    Aug 2003
    Location
    Devon
    Posts
    44
    Thanks
    3
    Thanked
    0 times in 0 posts
    • Flakvin's system
      • Motherboard:
      • Gigabyte GA-Z68AP-D3
      • CPU:
      • Intel Core i5 2400 @ 3.6GHz
      • Memory:
      • Mushkin Blackline DDR3 8GB 1600MHz
      • Storage:
      • Crucial M4 256GB SSD -- WD Caviar Black 640GB x2 RAID 0
      • Graphics card(s):
      • Powercolor Radeon HD7870 GHz Edition 2GB PCS+
      • PSU:
      • Corsair HX520W
      • Case:
      • Coolermaster HAF 932
      • Operating System:
      • Win7 x64
      • Monitor(s):
      • Acer G276HLABid 27"
      • Internet:
      • Eclipse ADSL
    Got the X1900XT today.. seems to run fine with the Hiper TypeR 580w PSU.

    Good stuff
    Sig here?

  13. #13
    Registered+
    Join Date
    Aug 2003
    Location
    Devon
    Posts
    44
    Thanks
    3
    Thanked
    0 times in 0 posts
    • Flakvin's system
      • Motherboard:
      • Gigabyte GA-Z68AP-D3
      • CPU:
      • Intel Core i5 2400 @ 3.6GHz
      • Memory:
      • Mushkin Blackline DDR3 8GB 1600MHz
      • Storage:
      • Crucial M4 256GB SSD -- WD Caviar Black 640GB x2 RAID 0
      • Graphics card(s):
      • Powercolor Radeon HD7870 GHz Edition 2GB PCS+
      • PSU:
      • Corsair HX520W
      • Case:
      • Coolermaster HAF 932
      • Operating System:
      • Win7 x64
      • Monitor(s):
      • Acer G276HLABid 27"
      • Internet:
      • Eclipse ADSL
    Extra little note, Hiper emailed me to let me know that the PSU has a maximum of 38Amps on the 12v+ rail... so, that's cool
    Sig here?

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •