Wanted to share: Dual PSU Action

JrRacinFan · Jun 15, 2008

While testing to find stable clocks with my motherboard I decided to connected a dedicated power supply for graphics. I found out the easy way that all my instabilities are not caused by power consumption.

I know this is not a pretty site with wires but the power supply stays cool and does not even get remotely warm. Any comments/suggestions are welcome.

Main question being to my post though is this, Leave it or remove it?

intel igent · Jun 15, 2008

any improvement's at all?

JrRacinFan · Jun 15, 2008

None really intel. All I have noticed is that i can push CL4 up to my max fsb.

Cold Storm · Jun 15, 2008

Bro, I think its crazy that you have that you did it! But, it works! Just have to see if its "safe"!

JrRacinFan · Jun 15, 2008

Perfectly safe man. I've been running with this all this morning. I will leave it in for a few days and see how well it does.

intel igent · Jun 15, 2008

JrRacinFan said:
None really intel. All I have noticed is that i can push CL4 up to my max fsb.

at max FSB without the added PSU what are you at CL5?

i dunno if all you get is 1 bump in CL timing and everything else is equal....

any improvement on the GFX side?

have you run any benches?

:toast:

JrRacinFan · Jun 15, 2008

Been running benches all morning. Only improvement is the jump to CL4.

intel igent · Jun 15, 2008

no increase in FSb of GFX clock's?

have you tried to put only the MOBO on main PSU and GFX/peripheral's on the second?

what does the CL4 give you? anything noticeable?

:toast:

JrRacinFan · Jun 15, 2008

No increase in vid card clocks ..

I can try the hdd's/optical if you want and post back.

CL4 drops about a second off my superpi

intel igent · Jun 15, 2008

it's not for me your trying, it's for you

i'm just making suggestion's

:toast:

Cold Storm · Jun 15, 2008

I think doing that would be a great idea. Puts less onto the computer.

JrRacinFan · Jun 15, 2008

After doing what was suggested. This the good reason to push for a good psu.

And I have a little bit of room to go.

intel igent · Jun 15, 2008

what were your #'s prior to this?

edit : you were at 2.5 before? not bad an extra 400mhz! :rockout:

panchoman · Jun 15, 2008

jr, if you're not getting anything outta the dual psus, you're better off sticking with 1 psu. i imagine you'll be on a worse part of the efficency curve and its just much more of a hassle really..

JrRacinFan · Jun 15, 2008

Yup working on it pancho. Lookin at some new motherboards. Once I get that I will resurrect the dual psu project. I just noticed thats its more stable and mroe responsive.

@intel

Thats my max stable right there at CL4.

intel igent · Jun 15, 2008

so you gained 400Mhz and bumped up to CL4?

if so :rockout:

JrRacinFan · Jun 15, 2008

Disconnecting the slave psu for now until I get a new motherboard. It gives me no true noticeable improvements due to the 975x chipset. If I had a P35/X38/P45, then this would be a different story. Not much more to see here.

Cold Storm · Jun 15, 2008

Well, at lease it shows you what is needed. You've tried all there is to try before getting a new board.

Xazax · Jun 15, 2008

Personally, i would get one of those "dedicated" PSU's for the Graphics card ive seen a few, that might help more having your dual PSU's

But yea your crazy...

farlex85 · Jun 15, 2008

Seems to me this would only be useful if you vmod the graphics card, or if you have water on the proc and thus are able to push large amounts of power through it. W/ an unmodded card and air cooling, there doesn't seem to be much reason for it imo.

JrRacinFan · Jun 15, 2008

Thanks for the input farlex. Like I was saying, I just needed to test and make my instabilties werent due to an underpowering psu. Thank you all for your opinions.

farlex85 · Jun 15, 2008

JrRacinFan said:
Thanks for the input farlex. Like I was saying, I just needed to test and make my instabilties werent due to an underpowering psu. Thank you all for your opinions.

Ah yes ok I see. Yeah that does seem like a good way to test for that. I'll keep that in mind if I ever run into a similar situation.

Xazax · Jun 15, 2008

BTW what are you watts and amps on those PSU's?

JrRacinFan · Jun 15, 2008

The Antec 500W: dual 12v 18a. The @Power 550W: single nominal 24a/max 28A.

@farlex

Just figured since it wasn't an underpowering psu might have wanted to play around and bench a little. Didn't work out as well as I wanted.

dark2099 · Jun 15, 2008

Possibly with a better board that will be helpful, I'll definitely keep a close eye and maybe fiddle with that some time.

System Name	Dual Build Streamer
Processor	Ryzen 7900x3d : Ryzen 4600G
Motherboard	AsRock B650E Steel Legend : Giga B450i Aorus
Cooling	Custom Water 1x420 : Stock
Memory	32GB T-Force Deltas : 16GB Dominator Platinums
Video Card(s)	PowerColor 7900 XTX Liquid Devil: iGPU
Storage	20+ TB
Display(s)	Sammy 49" 5k Ultrawide
Case	Custom White Painted Phanteks Enthoo Pro 2
Audio Device(s)	Onboard : Onboard
Power Supply	EVGA 1200W P2
Mouse	Corsair M65 RGB Elite White
Keyboard	Hyperx Origins 65
Software	Windows 10

System Name	old school / new school
Processor	3.0e C0 @ 3.6 / e5200
Motherboard	p4p800e-dlx / p5q-DLX
Cooling	custom water see sig / air
Memory	2x1g oczPC4000EbPl / 2x2g ocz2rpr1066
Video Card(s)	3850AGP / 4890vaporX
Storage	36g raptor+120g wd / wd 1001fals 1tb
Display(s)	BenQ / sharpAQUOS LC-37D64U
Case	modded antec plusview / generic
Audio Device(s)	audigy 2zs / ASUS Xonar HDAV1.3
Power Supply	fan/cable modded powerstream 520 / OCZ 700mxsp
Software	Xp pro SP2 / VISTA ultimate OEM

System Name	Dual Build Streamer
Processor	Ryzen 7900x3d : Ryzen 4600G
Motherboard	AsRock B650E Steel Legend : Giga B450i Aorus
Cooling	Custom Water 1x420 : Stock
Memory	32GB T-Force Deltas : 16GB Dominator Platinums
Video Card(s)	PowerColor 7900 XTX Liquid Devil: iGPU
Storage	20+ TB
Display(s)	Sammy 49" 5k Ultrawide
Case	Custom White Painted Phanteks Enthoo Pro 2
Audio Device(s)	Onboard : Onboard
Power Supply	EVGA 1200W P2
Mouse	Corsair M65 RGB Elite White
Keyboard	Hyperx Origins 65
Software	Windows 10

System Name	Haro
Processor	AMD 1700x
Motherboard	AsRork x370 Taichi
Cooling	EK Custom Loop - CPU only
Memory	32gb G-Skill Trident Z
Video Card(s)	EVGA 1080 Superclock 2
Storage	Too Many
Display(s)	Viewsonic VX2450WM-LED 24" & LG 32 IPS
Case	Cooler Master Cosmos II
Power Supply	Cooler Master V1000
Mouse	SteelSeries Rival 500
Software	Win10 Pro
Benchmark Scores	i5 750 4.62ghz pi runs // Evga FTW p55

System Name	Dual Build Streamer
Processor	Ryzen 7900x3d : Ryzen 4600G
Motherboard	AsRock B650E Steel Legend : Giga B450i Aorus
Cooling	Custom Water 1x420 : Stock
Memory	32GB T-Force Deltas : 16GB Dominator Platinums
Video Card(s)	PowerColor 7900 XTX Liquid Devil: iGPU
Storage	20+ TB
Display(s)	Sammy 49" 5k Ultrawide
Case	Custom White Painted Phanteks Enthoo Pro 2
Audio Device(s)	Onboard : Onboard
Power Supply	EVGA 1200W P2
Mouse	Corsair M65 RGB Elite White
Keyboard	Hyperx Origins 65
Software	Windows 10

Processor	Amd Athlon X2 4600+ Windsor(90nm) EE(65W) @2.9-3.0 @1.45
Motherboard	Biostar Tforce [Nvidia] 550
Cooling	Thermaltake Blue Orb-- bunch of other fans here and there....
Memory	2 gigs (2x1gb) of patriot ddr2 800 @ 4-4-4-12-2t
Video Card(s)	Sapphire X1950pro Pci-E x16 @stock@stock on stock
Storage	Seagate 7200.11 250gb Drive, WD raptors (30/40) in Raid 0
Display(s)	ANCIENT 15" sony lcd, bought it when it was like 500 bucks
Case	Apevia X-plorer blue/black
Audio Device(s)	Onboard- Why get an sound card when you can hum??
Power Supply	Antec NeoHe 550-manufactured by seasonic -replacement to the discontinued smart power series
Software	Windows XP pro SP2 -- vista is still crap

System Name	Xazax
Processor	6700k
Motherboard	ASrock Fatal1ty z170
Cooling	H240X
Memory	16GB DDR4 2800mhz
Video Card(s)	Gtx 980ti
Storage	1TB Mushkin
Display(s)	ASUS PG27 G-sync
Case	Corsair Air 540
Audio Device(s)	Logitech G35
Power Supply	Corsair 1500w Digital
Keyboard	Patriot Viper
Software	Windows 10

System Name	Aquarium
Processor	Ryzen 9 7950x
Motherboard	ROG Strix X670-E
Cooling	Lian Li Galahead 360 AIO
Memory	2x16gb Flare X5 Series 32GB (2 x 16GB) DDR5-6000 PC5-48000
Video Card(s)	Asus RTX 3060
Storage	2TB WD SN850X Black NVMe, 500GB Samsung 970 NVMe
Display(s)	Gigabyte 32" IPS 144Hz
Case	Hyte Y60
Power Supply	Corsair RMx 850
Software	Win 11 Pro/ PopOS!

System Name	Everchanging
Processor	AMD Ryzen 9 5900X
Motherboard	ASUS ROG Crosshair Dark Hero
Cooling	Arctic Cooling Liquid Freezer 2 420mm
Memory	2x16GB Corsair DDR4 3600 CL16
Video Card(s)	eVGA RTX 3090 Ti FTW3
Storage	Samsung 980 Pro 256GB, Samsung 980 Pro 2TB
Display(s)	2xSamsung 28" 4k HDR 144Hz
Case	Fractal Meshify 2 XL
Audio Device(s)	fiio K9 to Hifiman Sundara's via 4.4mm balanced cable
Power Supply	Seasonic Prime TX 850w
Mouse	Corsair Harpoon Wireless RGB
Keyboard	Corsair K70 RGB PRO
Software	Windows 11 x64

Wanted to share: Dual PSU Action

Keep the psu as slave for graphics?

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