e-machine ET1331G-05 mother board

Emachine / Et1331g-05w
November 8, 2010 at 06:33:50
Specs: Windows 7, Athlon II X2 Dual-Core
Can the e-machine ET1331G-05 mother board handle the Gforce GTX 460 video card? I know this card will require a 450 watt (or more) PSU.

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November 8, 2010 at 07:03:36
if pci-e x16 slot is available u can run gtx 460. The power requirement for the whole system is 450w +12v@26A.

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November 8, 2010 at 07:33:38
emachines desktop systems usually come with a BESTEC power supply.

BESTEC power supplies have a reputation for malfunctioning a lot more often than average, and when they malfunction or fail completely, they are a lot more likely than average to damage something else - they often fry the mboard.

"450w +12v@26A"

The +12v minimum amperage or greater rating is more important than the wattage rating.

Some power supplies have more than one +12v rating - if yours does, add them.

If you're a gamer...
In most if not all cases, the max capacity rating of the PS is an intermittent rating. It's recommended that you do not load your PS to any more that 80% of that rating if you are going to be using something that puts a constant load on it, such as playing a recent game for hours on end. In that case, you multiply the min capacity stated for the system with the particular video chipset on the card by 1.25 to find the min. capacity of the PS you should get.

In this case, 450 x 1.25 = 562.5 watts minimum

If you need to get a PS with more capacity, you can usually replace it with any decent standard sized standard ATX PS.

Standard (PS/2) power supply size - 86mm high, 150mm wide, 140mm deep, or 3 3/8" h x 5 7/8" w x 5 1/2" d , or very close to that, though the depth can be more or less for some PSs.

Don't buy an el-cheapo PS.
See response 3 in this:

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November 8, 2010 at 08:34:09
I don't know if this makes any difference but the Name(s) on the motherboard are as follows:

"SERIAL ATA II" and "ATA 133"

Or is there another actual Name on the board somewhere?

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November 8, 2010 at 10:38:57

Does not state PCIexpress Slot, the motherboard may have a sticker between the CPU and PCI slots, something like 'MCP61PM'

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November 8, 2010 at 10:57:09
All mboards have some markings printed on them that merely indicate they meet some standard.

"SERIAL ATA II" - it supports using the second generation of SATA drives - SATA II drives - that can use a 300mb/sec burst data transfer speed. That standard is backward compatible - it also supports the orginal SATA drives that can use a max 150mb/sec burst data transfer speed.

The SATA drive controller drivers must be installed in the operating system, and the bios must be running the SATA drive controllers in a SATA mode, in order for the 150mb/sec or 300mb/sec burst speed to be possible.
If the bios is set so it's running the SATA drive controllers in an IDE compatible mode of some sort, then the fastest burst speed for them is 133mb/sec.

"ATA 133" - that standard indicates it supports IDE hard drives drives running at up to and including the max burst data speed of IDE drives - 133mb/sec. The drive must be capable of running at that burst speed too - many IDE drives 80gb or smaller have a max burst speed of 100mb/sec or slower (ATA 100, 66, or 33)

In both cases, the max data burst speed requires that hard drive has a memory cache on it's board, and that speed can only be obtained for short periods of time, in one go.

Some markings may merely be labels for what they are beside.

Your mboard, when it's in a brand name system, may or may not have an obvious model number printed on it, usually in larger characters, most often between the card slots, or near the center of the mboard.

In most cases, the company that actually made the emachines system, Trigem in Korea - did NOT make the mboard, and it was supplied to them by some major mboard maker. If the mboard is an OEM only model - made only for brand name system builders - it often has no obvious model number.

If you want to find out who actually made the mboard and what the actual model is, this excellent third party web site usually has that info:


If he has the mboard model listed for your emachines model, click on the highlighted name of it to see a page about the mboard. The manual for the mboard may be listed in the Downloads list at the left on that page, it's often the last download listed. If there is one listed, he has disabled downloading files because he doesn't want to have to pay his ISP more, but you can use the name of the manual's download file and often find that elsewhere on the web.
He would appreciate a donation.

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November 8, 2010 at 12:00:39
Are you therefore saying that this motherboard can safely handle the GTX 460 video card? - with the proper PSU of course.

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November 8, 2010 at 12:10:19
Is this the name of the motherboard...


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November 8, 2010 at 12:38:55
If you had looked at the web site I pointed you to, you would have found that the USA model ET1331G-03w uses the MCP61PM-GM.
When he has no mboard listed, it's often the same mboard for many simlar models.

Here's your mboard - it's an ECS model, with an emachines bios version on it.

Your mboard is recent enough that it should have no problem with video chipset on the card you want to use.

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November 8, 2010 at 15:17:39
Great! Thanks

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November 10, 2010 at 11:11:50
Will this CPU work with the MCP61PM-GM main board?...

AMD Phenom II X4 945 Processor HDX945WFGMBOX Quad-Core Socket AM3 3.0GHz 8MB 95W

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November 10, 2010 at 12:55:11
There's no way of finding out for sure which cpus the emachines bios version supports, other than, there may be info about which CPUs have been found to work on the e4all page for the mboard I pointed you to, and perhaps on the the left side of that page, and you can use any cpu for similar emachine models that e4all lists as using the same mboard in the USA models list.
Very similar retail ECS models with the same main chipset should have lists of cous that work with them, or you can look here www.cpu-upgrade.com for unofficial but probably correct info - the part numbers are on the left side in the lists - but there's no guarantee the emachines bios version supports all of them. You can't use a bios version for a very similar ECS mboard, because doing so may render your mboard unbootable, unless there is specific .info on the e4all page about the mboard that you can do that, in the info on the left side.

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November 10, 2010 at 16:24:09
I read this comment....

"I have bought this e-machine ET1331G-05 computer and I upgraded the processor in it to the AMD Phenom II X4 925 2.8 quad core. The motherboard can handle up to 99 watts not 89 you got the wrong version of the motherboard the older one can only stand 89 watts this one can stand 99 watts processors.”

How does that that sound?

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November 10, 2010 at 20:44:29
By the way, most people have very few if any programs that can use more than cpu core, with the possible exception of high end games, those games can usually only use more than one cpu core in Vista or Windows 7, and I haven't heard of any game that can use use more than 2 cores.
Server operating systems, high end and expensive scientific, graphical, or animation, etc., programs can use more than one core, but most do not have such.
Therefore, at least at the present time and for the foreseeable future, most people don't benefit from more than two cores, and they only benefit from two if they use high end games that can use more than one core, and if they use Vista or Windows 7.

The max wattage (directy related to the current - amperage - it draws) of the cpu is another subject. As time has gone by, the cpu voltage has gotten lower and, generally, the current higher. Some mboards have a lower current limit the cpu can draw, because of DUMB design limitations - e.g. certain curcuit traces on the mboards aren't big enough, or voltage regulators for the cpu's relatively low voltage don't have enough current capacity.
Again, because you probably have an OEM only mboard model, you probably can't find out what max cpu wattage your mboard will handle, unless that's in emachine's specs, or in the e4all info about the mboard.
If you had a retail mboard model, you could determine whether your mboard model has that limitation by looking up it's cpu support list - the mboard manufacturer won't list models that draw more wattage (current) than the mboard can handle.

More recent retail mboards often state the max cpu wattage they can handle in their specs, prominently, e.g. on a big label on the main support page, and on it's box.

I prefer AMD cpus, and I don't know much about modern Intel cpus and mboards for them, but the wattage limitation problem was there for a while a couple years ago for some mboards that use AMD cpus . The really stupid thing is it wasn't a problem with previous mboards that could use the high wattage cpus.

That example is only ten watts difference, but if the limit really is 89 watts, certain of the mboard's circuit traces, or the cpu voltage regulators could eventually fail. Where is that guy getting the 89 watt figure from ?
Since other emachines models use the same mboard, one thing you should be able to count on is finding out which cpus that were used the max wattage on those models, and not exceeding that.

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November 11, 2010 at 07:01:17
Here are the Specifications for the MCP61PM GM motherboard...


Among other things it says (under "Video") "...nForce 430 graphics." I wonder what that means.

Perhaps I should just upgrade this motherboard and its processor to comfortably (and safely) handle the GTX 460 video card? I have already upgraded to a 600 W modular PSU.

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November 11, 2010 at 08:20:30
You're mis-quoting.

What it says on e4all's web site is

• Integrated NVIDIA® GeForce® 6150SE nForce 430 graphics"

One of the probably two main chipset chips has the GeForce® 6150SE video adapter integrated into it - it is the one with a heat sink on it. The probably one other main chipset chip has the nForce 430 capabilities.

There are only certain combos of the main chipset chips - the main chipset. On newer mboards, there are often just two chips in the main chipset - on older mboards there may be more than two.
The nForce 430 chip does not have video built in, but the combo of the two chips you have does - so - it has GeForce® 6150SE nForce 430 graphics, but it doesn't have nForce 430 graphics.
For a NVidia main chipset, Geforce xxxxx is the integrated video spec.
There are often other combos that have one chip that is the the same that have different video built in, or no video built in, in which case you must have a video card in a slot. E.g. I have an Asus mboard model that has the nForce 430 chip, but it's other main chip does not have built in video and it does not have a heat sink on it.

As far as I have seen, there is nothing to be concerned about regarding mboards that have video chipsets on cards (in slots) that require more power, as long as the PS has at least the minimum recommended capacity for a system with the video chipset . Connecting the required connectors from the PS to the the card's extra power connector socket(s), if it has one or more, handles the extra power required just fine, and the card slot the card is in is not overloaded.

If I were you, I would get the GTX 460, try the computer for a while, and if you then think that's not enough, you could upgrade other things. You buying a power supply with more capacity and a better video card is not a waste of money, if you build yourself a custom system rather than buying another brand name system, and/or if you use them in your next system.

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November 11, 2010 at 11:16:44
I sure appreciate all your input and suggestions.

I have read some comments about the bottleneck that way (or will) occur because the GTX 460 can process more information than the 1.6 ghz CPU can handle.

Any thought on that potential problem?


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November 12, 2010 at 08:40:46
The biggest bottleneck on modern computers is the max speed the hard drive can run at. The data burst speed the drive can attain - e.g. if the drive is capable of it - 300mb/sec for a SATA II drive, and if the bios has it in a SATA mode and the SATA drivers have been loaded in the operating system - can only be maintained for a short period of time in one continuous go - for a few minutes at best - otherwise, the max speed of the drive is it's continuous - sustained - data speed rating - I know of NO new hard drive that has a continuous data speed rating higher than 100mb/sec, and older hard drives have a rating lower than that.

That said, the opposite of that comment is probably the real case - the better the video chipset is on the card in a slot, the LESS load there is on the cpu. The video chipset on the card has it's own processing capability and that does most of the video related required work.

Side notes.

When you are using onboard video, the ram installed in the mboard cannot run at it's full rated bandwidth - max data transfer rate - the ram's max bandwidth is as much as halved. When you use a video card in a dedicated PCI-E or AGP mboard slot rather than the onboard video, in most cases, the onboard video is automatically disabled and, if so, the ram installed in the mboard is no longer shared with the onboard video, and, if so, the ram installed in the mboard is then able to achieve it's max bandwidth. The card installed in a slot has it's own ram. The same ram and ram amount that's installed in the mboard will perform better when a program that benefits from a higher data transfer rate is used.

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November 13, 2010 at 08:37:14
It hasn't been valid to compare the performance of cpus based solely on the speed the core runs at for a long time, unless you're comparing the same type of cpu.

In AMD's case, although they don't do that for newer cpus, starting with the Athlon XP cpus, the AMD model number was an approximation of how the cpu's performance compares overall to the performance of the original Intel P4 cpus, with which the ghz they ran at was a valid thing to compare (it's not for newer P4 cpu types) . e.g. An original Athlon 64 x 2 running at 3.2ghz has a model number 6400+ - it compares in performance in AMD's opinion with an original P4 running at 6400mhz - 6.4 ghz, or better. Newer cpus are even more efficient.

Your Athlon II X2 running at 1.6GHz has much better overall performance than older AMD cpu types running at 1.6ghz.

AMD has been very good about making newer cpus that are compatible with older AM2+ and up mboards and older main chipsets that are compatible with AMD AM2+ and up cpus, a lot more so than Intel has, but the Phenom cpus and some other more recent AMD cpu types perform much better overall when you can install all 1066mhz DDR2 (or faster, or DDR3 ) ram in the mboard. Your mboard supports max 800mhz DDR2 ram - PC2-6400 - so you can't run a Phenom at anywhere near it's max performance specs on this mboard, despite the cpu cores being able to run at 2.8ghz or whatever.

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November 13, 2010 at 14:55:53
Recently I say the Athlon X2 Duo Core 250 rated at 3+Ghz rather than 1.6 Ghz. How come?


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November 13, 2010 at 19:58:10
"Recently I say the Athlon X2 Duo Core 250 rated at 3+Ghz rather than 1.6 Ghz. How come?"

Was that supposed to be.....
"Recently I SAW the Athlon X2 Duo Core 250 rated at 3+Ghz rather than 1.6 Ghz." ??

You can edit your own posts on this site by clicking on the icon that looks like a notepad at the right end of the top of each of your posts, although that may be missing in the first post in the subject. I use that frequently.

You've made two subjects on this site about this computer. In the first one, I found a refurbished computer that is the exact same same model that has an Athlon II X 2 cpu running at 1.6ghz and provided the link to it. There's no guarantee you have the same cpu - sometimes there are several possible cpus for the same brand name model - but in your response 16 in this subject you mentioned a 1.6ghz cpu. I was assuming you have the same cpu as the refurbished one.
Athlon II X 2 cpu = it's an Athlon II cpu, dual core.
There are probably other Athlon II cpus that have a higher core speed.
You may be able to easily overclock them - I have no info about that - but in that case you would need to be able to change either the multiplier , or change the bus speed the cpu is using with the multpiler, or both, and in most cases those options are not there in a brand name bios version (you can cut a conductive bridge on the bottom of the cpu in some cases to unlock the multiplier, otherwise it's usually unchangeable).

The Athlon 64 X 2 cpu I mentioned (6400+) is an older cpu.

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