how to combine 12v rails

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UaVaj

Golden Member
Nov 16, 2012
1,546
0
76
have a psu with two 18A 12v rails.

how do one go about testing/figuring out which lead connects to which rail.

looking to combine the two 18A rail for a single 34A rail.
 
U

UaVaj

Golden Member
Nov 16, 2012
1,546
0
76
never mind.

according to this test methodology. (which seems logical)
http://www.techpowerup.com/forums/showthread.php?t=147571

looks like it is all marketing gimmicks.
although label says dual rails, testing verifys it is a single rail.
every yellow (12v) have positive continuity (all ~3ohm).
every black (ground) have verified continuity (all ~3ohm).

if you insist on knowing the manufactuer. pm me.
anway this is a very very very well known manufactuer psu. :eek:
 
Maximilian

Maximilian

Lifer
Feb 8, 2004
12,603
9
81
UaVaj said:
never mind.

according to this test methodology. (which seems logical)
http://www.techpowerup.com/forums/showthread.php?t=147571

looks like it is all marketing gimmicks.
although label says dual rails, testing verifys it is a single rail.
every yellow (12v) have positive continuity (all ~3ohm).
every black (ground) have verified continuity (all ~3ohm).

if you insist on knowing the manufactuer. pm me.
anway this is a very very very well known manufactuer psu. :eek:
Click to expand...

So... umm.. are you that ashamed of the PSU you have bought you wont share its make/model because its that bad? Did you build it yourself or something? o_O
 
U

UaVaj

Golden Member
Nov 16, 2012
1,546
0
76
it is a good psu. just that the labeling is misleading.

there reallie no need to post the make and model.
at this point in time - it won't benefit anyone.

single rail is the standard now-a-day anyway.
no need to tarnish a reputable brand.
 
Maximilian

Maximilian

Lifer
Feb 8, 2004
12,603
9
81
UaVaj said:
it is a good psu. just that the labeling is misleading.

there reallie no need to post the make and model.
at this point in time - it won't benefit anyone.

single rail is the standard now-a-day anyway.
no need to tarnish a reputable brand.
Click to expand...

Weird o_O

Single/multi rail is not any kind of "standard", theres more important factors in picking a PSU.
 
lehtv

lehtv

Elite Member
Dec 8, 2010
11,900
74
91
Turns out it's an Asus A-55GA, manufactured by AcBel. Xbitlabs claims the real power output is about 400 watts. The total +12V rating is 360W, but if Xbitlabs is correct it is not capable of maintaining that continuously.
 
Last edited:
Maximilian

Maximilian

Lifer
Feb 8, 2004
12,603
9
81
Aha, it all makes sense now! He didnt want to taint the household name of AcBel or shed a bad light on Asus who are of course primarily known for their extensive line of world class PSU's.

We can only hope that this thread dosent bring down the opinion of the 3 or so people who have heard of AcBel or knew that Asus even made PSU's otherwise the bottom lines of both companies could be drastically affected!

/sarcasm

Well mystery solved, gratz lehtv :thumbsup:
 
Red Squirrel

Red Squirrel

No Lifer
May 24, 2003
67,395
12,142
126
www.anyf.ca
I actually prefer single rail, I much rather have something like 50 amps at 12 volts on a single rail than multiple smaller rails. Then again I sometimes use computer power supplies for things other than computers. :p

Typically all similar colored cables are the same voltage so it would be as simple as just combining them.
 
Gillbot

Gillbot

Lifer
Jan 11, 2001
28,830
17
81
Red Squirrel said:
I actually prefer single rail, I much rather have something like 50 amps at 12 volts on a single rail than multiple smaller rails. Then again I sometimes use computer power supplies for things other than computers. :p

Typically all similar colored cables are the same voltage so it would be as simple as just combining them.
Click to expand...

Yep, I use them to charge or jump start my car. :eek:
 
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