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Search: Posts Made By: mariush
Forum: Electronic Component Discussion 2 Days Ago
Replies: 5
Views: 67
Posted By mariush
Interesting. I have a comment about your...

Interesting.

I have a comment about your resistor choices. Those resistors don't really like being overloaded and they don't even like being close to their maximum watt limit for long periods of...
Forum: General Hardware 2 Weeks Ago
Replies: 4
Views: 173
Posted By mariush
As cheapie says, we'll need more details about...

As cheapie says, we'll need more details about what your total budget would be.

For example, I could recommend a very cheap motherboard based on socket AM1 but you'd only be able to use some AMD...
Forum: General Hardware 3 Weeks Ago
Replies: 11
Views: 547
Posted By mariush
An answer on that page says it's S27E510C :...

An answer on that page says it's S27E510C : http://www.samsung.com/us/computer/monitors/LS27E510CSY/ZA-specs - I guess S27D590C but without speakers (just a stereo out jack in case you pass audio...
Forum: Electronic Component Discussion 3 Weeks Ago
Replies: 4
Views: 184
Posted By mariush
The alibaba link says 7343 in the name, that's...

The alibaba link says 7343 in the name, that's the metric size... helps when filtering to choose replacement capacitors... 2917 [7343 Metric]

226 does sound like 22 uF, the voltage rating of 35v...
Forum: General Hardware 4 Weeks Ago
Replies: 3
Views: 4,008
Posted By mariush
Chassic fan is usually the one you put on the...

Chassic fan is usually the one you put on the case.
System fan is usually the one that sits on top of your cpu cooling a heatsink.

Technically, they're both 12v power connectors, with or without...
Forum: PC Power Supply Discussion 4 Weeks Ago
Replies: 20
Views: 624
Posted By mariush
You could leave it a basic button (no retooling...

You could leave it a basic button (no retooling of case and whatever else) but make it behave it two ways:

* basic press down : (fan test) have fan turn on fully for 5-10 seconds then back to it's...
Forum: General Hardware 12-30-2015
Replies: 7
Views: 461
Posted By mariush
Anti-static bags are not necessarily insulating. ...

Anti-static bags are not necessarily insulating.

There's various degrees of "anti-static"-ness ... the pink bags are usually anti-static, the other varieties are dissipative or just conductive,...
Forum: PC Power Supply Discussion 12-25-2015
Replies: 10
Views: 495
Posted By mariush
No, the usb 3.0 says 20v +/-10% which means...

No, the usb 3.0 says 20v +/-10% which means 18-22v ... it allows using 25v rated polymer capacitors or electrolytics at the input, and a usb power controller can just flip a mosfet on or off to send...
Forum: PC Power Supply Discussion 12-25-2015
Replies: 10
Views: 495
Posted By mariush
I wish it would go away, along with -12v. A...

I wish it would go away, along with -12v.

A dc-dc converter on the motherboard would cost peanuts (under 1$ of motherboard price) and you wouldn't have to worry about sensing voltage on the 3.3v...
Forum: PC Power Supply Discussion 12-03-2015
Replies: 13
Views: 492
Posted By mariush
Dude, pretty much everything in a computer these...

Dude, pretty much everything in a computer these days uses dc-dc converters to get lower voltages from 12v, everything except fans (which will work with up to 13.8v anyway) and maybe some regular...
Forum: PC Power Supply Discussion 12-03-2015
Replies: 13
Views: 492
Posted By mariush
Yes, I think it won't be a problem with a solid...

Yes, I think it won't be a problem with a solid design, like the Seasonic one.

See the 520w "brother" : http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story2&reid=185

It does 4.85v at...
Forum: PC Power Supply Discussion 12-03-2015
Replies: 13
Views: 492
Posted By mariush
Get a bunch of molex to sata cable strips, the...

Get a bunch of molex to sata cable strips, the power consumption of SSDs is not big enough to cause you problems if you use such cables.

Here's an example, Amazon UK will probably ship to Italy:...
Forum: PC Power Supply Discussion 10-05-2015
Replies: 24
Views: 1,025
Posted By mariush
Those can't be seen from outside. You probably...

Those can't be seen from outside. You probably missed the point I was trying to make.


Yes, you're right. Looking more carefully, there's two yellow cables that seem to be AWG16 and the thinner...
Forum: PC Power Supply Discussion 10-05-2015
Replies: 24
Views: 1,025
Posted By mariush
They could easily silkscreen/laser engrave what...

They could easily silkscreen/laser engrave what each wire does on the connector, with some color that doesn't jump in your eyes, like a dark gray/bronze or something. Such an expensive power supply...
Forum: PC Power Supply Discussion 10-05-2015
Replies: 24
Views: 1,025
Posted By mariush
I'd be super annoyed by the sense wires which are...

I'd be super annoyed by the sense wires which are much thinner than the other wires. AWG18 and AWG16 aren't so different so I'd get over it, but just look at that green wire and that cream wire :
...
Forum: PC Power Supply Discussion 09-18-2015
Replies: 54
Views: 2,921
Posted By mariush
I guess it's "smart" but... I'm not so sure about...

I guess it's "smart" but... I'm not so sure about it. Certainly adds to the manufacturing complexity.

To me it looks ugly, especially with the added solder on that fat wide 12v copper, to improve...
Forum: PC Power Supply Discussion 08-22-2015
Replies: 26
Views: 1,512
Posted By mariush
@jnv11 I disagree with you on some points. ...

@jnv11

I disagree with you on some points.

-12v doesn't have to be provided by a power supply, it's low amperage and a waste of a cable. If a motherboard wants to offer serial ports, it can...
Forum: PC Power Supply Discussion 08-12-2015
Replies: 30
Views: 1,485
Posted By mariush
What do you mean by "a large number of HDDs" ? ...

What do you mean by "a large number of HDDs" ?

The quantity is important when you start a computer.

You should be careful about peak currents when hard disks are powered on, which are higher...
Forum: PC Power Supply Discussion 08-05-2015
Replies: 7
Views: 473
Posted By mariush
If price isn't an issue, I would use a passively...

If price isn't an issue, I would use a passively cooled Seasonic power supply. For example, see:

* http://www.newegg.com/Product/Product.aspx?Item=N82E16817151097
*...
Forum: PC Power Supply Discussion 08-05-2015
Replies: 5
Views: 482
Posted By mariush
Have a look at a typical NAS hard drive...

Have a look at a typical NAS hard drive datasheet:

http://www.hgst.com/tech/techlib.nsf/techdocs/0BF8B842F66D454288257C74007E842B/$file/DS_NAS_spec.pdf

Power
Requirement +5 VDC (+/-5%), +(12...
Forum: General Hardware 04-17-2015
Replies: 32
Views: 2,619
Posted By mariush
My newest purchase was a Hitachi NAS series 4 TB....

My newest purchase was a Hitachi NAS series 4 TB.

I've had WD black in my system which are great, I had WD blue (no complaints, gave it to my sister), I have WD green and I have some Seagate...
Forum: PC Power Supply Discussion 04-15-2015
Replies: 13
Views: 1,073
Posted By mariush
I have no problems working on ATX power supplies...

I have no problems working on ATX power supplies using an original Hakko 936 (with conical or regular flat tip for big jobs) or a Pace HW50 (when finer tips are needed)

They're both in the 50-60w...
Forum: PC Power Supply Discussion 02-24-2015
Replies: 14
Views: 1,237
Posted By mariush
You get a toroidal transformer with 115v and 230v...

You get a toroidal transformer with 115v and 230v primary windings and a 15v AC secondary and a 5-7v ac winding

15v ac gets rectified into about 21v DC, minus about 1-1.5v drop on the rectifier,...
Forum: PC Power Supply Discussion 11-29-2014
Replies: 7
Views: 607
Posted By mariush
The power supply you have now will probably work...

The power supply you have now will probably work just fine with your new system, as long as you don't install a modern dedicated video card that needs a lot of power to work.

Pentium G doesn't...
Forum: PC Power Supply Discussion 09-01-2014
Replies: 8
Views: 883
Posted By mariush
A dozen USB chargers in the lab: Apple is very...

A dozen USB chargers in the lab: Apple is very good, but not quite the best

http://www.righto.com/2012/10/a-dozen-usb-chargers-in-lab-apple-is.html
Showing results 1 to 25 of 244

 
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