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Asus Motherboard A7A266-E REV 1.xx will not recognise new Ram DDR 266Mhz PC2100

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  • Dave Sexton Jan 12, 2013

    I have returned RAM to supplier, I will post results when the problem is fixed

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  • Master
  • 3,606 Answers

Hello you can download the manual here:

http://support.asus.com/download.aspx?SLanguage=en&p=1&s=10&m=A7A266-E&os=&hashedid=n/a

Please select your windows system.
Open the manual folder and click global for download.
You need adobe reader to read the content.

Your mainboard has slot for SDram and DDR ram.You can`t use these modules simultaneously, so you have
to choose
what ram to use.
The mainboard max capacity is 2 gb.
Check also the bios for the ram voltage settings.

Good luck

Posted on Jan 07, 2013

Testimonial: "Thanks for your prompt answer, but I have a manual"

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Posted on Jan 02, 2017

map9966
  • 2351 Answers

SOURCE: 2G RAM's for Elitegroup (ECS) L7VMM2 Rev 1.0A Motherboard

You're board can handel; DDR SDRAM up to 200 or 266MHz DDR SDRAM memory module. Accommodates two "unbuffered", 2.5V 184-pin slots. Each slot supports up to 1 GB with a total maximum capacity of 2 GB. Return the Kingston memory you have installed if it is less than a year old. They should allow you to trade up to the MB's supported memory.
Two reach the MB's max memmory of 2GB. Buy two Kingston DIMMS of, "unbuffered", 2.5V 184-pin
DIMMs. Here is one site that sells Kingston memory;
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=235786&CatId=548
The next link is Kingstons site; http://www.ec.kingston.com/ecom/configurator_new/PartsInfo.asp?root=us&LinkBack=http://www.kingston.com&ktcpartno=KVR266X64C2/1G

Here is another site; http://www.buy.com/prod/kingston-1gb-ddr-memory-pc2100-266mhz-184-pin-dimm-kingston-1gb-ddr/q/loc/101/10348796.html
If you decide to search for you're self, use this as the basis for the correct model: Module - KVR266X64C2

Link to ECS web site; http://www.ecsusa.com/ECSWebSite/Product/Product_Detail.aspx?DetailID=62&CategoryID=1&MenuID=50&LanID=9

Good luck!
Mike

Posted on Jun 02, 2010

Testimonial: "Mike answered all my questions and very quickly. Thanks Mike. "

midwan
  • 55 Answers

SOURCE: I have this ASUS P4GE-MX

Hello, The Motherboard's specifications mention that it uses DDR Ram, while the FSB runs at 400MHz. That means that any kind of DDR memory will work up to the maximum of 2 GB (it has 2 slots, so it's up to the max of 2x1GB DDR sticks).
There's no issue with the speed, actually the faster you can get the better results you will have. Try looking for 1GB DDR 400MHz (preferably two of them, if you want to max out the capacity and since it's kind of cheap to do so).
The one you tried and didn't work, might be due to a faulty RAM module.

Posted on Mar 13, 2011

  • 2226 Answers

SOURCE: Will two pc3200 (1GB, 400MHz)

dose the board handle the size of mem it may if the mem can go backwards yes if not you are out of luck. go to web site to see first ok jim

Posted on Jul 17, 2011

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Memory settings for ddr


http://www.motherboards.org/mobot/motherboards_d/ECS/K7AMA/

Since the Processor Front Side Bus (FSB) support is 200 or 266MegaHertz (MHz), the ram memory will be DDR Sdram at either 100Megahertz or 266MHz.

That is PC1600 and PC2100, respectively.

2GB's maximum TOTAL amount for motherboard.
1GB per ram memory slot - Maximum

If you have a Socket A (Socket 462) AMD processor with a 200MHz FSB, I suggest DDR Sdram at 100MHz. (PC1600)

AMD processor with 266MHz Front Side Bus = either PC1600, or PC2100. I would go with PC2100.

Voltage in BIOS Setup is 2.5 Volts. That is is the JEDEC standard voltage, for DDR Sdram.
Ram timings will be dependent upon what the ram memory supports.

IF you have just ONE ram memory module ('Stick'), it goes in Slot 1.
(DIMM 1)
This is the ram memory slot the Processor reads first.

http://www.cpu-upgrade.com/mb-ECS/K7AMA%28V1.5%29.html

http://www.ocinside.de/go_e.html?http://www.ocinside.de/html/workshop/ecs_k7s6a_vcore.html

http://8000.hillbillyhardware.com:8000/Reviews/ecs_945gcd-m/ecs_945gcd-m.html

"When it comes to innovative motherboards ECS is not a company that first comes to mind. Not since the days of the K7AMA that offered DDR266 and PC133 memory options for AMD's K7 line of processors has ECS released a motherboard that has filled a gapping hole in the PC hardware market space. Lets just hope that the failure rate of the 945GCD-M is nothing like the failure prone K7AMA."

Hmmmmm,




Not doing it for you? Then post more details in a Comment.

Regards,
joecoolvette

Jan 03, 2013 | EliteGroup K7AMA Motherboard

1 Answer

System reguirements to inrease ram memory


Ram Memory typically operates at half of the frequency rate, ('Speed'), that the Processor's -> FSB does.

Your motherboard supports Processors that have either a 400MegaHertz Front Side Bus, (400MHz FSB), or 533MHz FSB, or 800MHz FSB.

(Northwood Core for 400MHz FSB. The rest is in the other solution I provided)

Processor has a 400MHz FSB?
You can use DDR Sdram ram memory that is 266MHz.
(PC2100)

Processor has a 533MHz FSB?
You can use DDR Sdram ram memory that is either 266MHz, Or 333MHz.
(PC2100 and PC2700 respectively)

Processor has an 800MHz FSB?
You can use DDR Sdram that is either 266MHz, or 333Mhz, or 400Mhz.
(PC2100, PC2700, and PC3200, respectively)

NOTE*
When using a processor that has an 800MHz FSB, and using PC2700, (DDR at 333MHz), the PC2700 ram memory will run at ->
320MHz.

JEDEC has set the voltage requirements for DDR Sdram at 2.5 Volts.
'Performance' ram memory that is DDR Sdram may use higher voltages.
Not recommended unless you know how to overclock.

Although the motherboard, and the ram memory module may have SPD, it doesn't always work,

http://en.wikipedia.org/wiki/Serial_presence_detect

A lot of times you are faced with going into BIOS Setup, and changing the ram memory voltage, IF BIOS Setup has this feature.
This is why I say overclocking experience helps tremendously.

You want Low Density, Unbuffered, Non-ECC, and a CL of 2.5 for PC2700, and a CL of 3.0, (3) for PC3200.

[Why would anyone want to run PC2100> Lol! ]

For additional questions please post in a Comment.

Regards,
joecoolvette

Nov 11, 2012 | Computers & Internet

1 Answer

I have a Hp Pavilion 733b with chipset 845g, i have 1gb of ram but just recognise 256mb


Product: HP Pavilion 733b Desktop PC

http://h10025.www1.hp.com/ewfrf/wc/product?product=296502&lc=en&cc=us&dlc=en&lang=en&cc=us

Motherboard: FIC VG31

[ First International Computers ]

Motherboard specifications;

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07722&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=296502

Memory Type: DDR Sdram
Memory Speed: DDR Sdram at 266MegaHertz, or 200MHz
(PC2100, and PC1600, respectively)

Memory Sockets: Two. For Dual Inline Memory Module/s.
Maximum Memory: -> Maximum TOTAL Amount for motherboard.
2GB.
Maximum Amount for EACH ram memory slot: 1GB

So far looks good, BUT;

1) Is the Ram Memory Non-ECC?

http://en.wikipedia.org/wiki/ECC_memory

2) Un-Buffered? (Un-Registered)

http://en.wikipedia.org/wiki/Unbuffered_memory

3) Voltage: Does it use 2.5 Volts?

JEDEC standard for DDR Sdram ram memory voltage is 2.5 Volts (DC)
FIC is going to set the ram memory default voltage at 2.5 Volts.

Point? DDR Sdram at 2.6 Volts, or higher, may not work.
Betting the motherboard doesn't have SPD, and the ram memory may not either.

http://en.wikipedia.org/wiki/Serial_presence_detect

4) Ram Memory frequency rate:
What frequency rate of ram memory are you using?
(Excuse me,...'Speed')

The Intel 82845G Northbridge chip, will only support DDR Sdram at a -> Maximum <- frequency rate, of 266Megahertz. (266MHz),

http://en.wikipedia.org/wiki/List_of_Intel_chipsets#Pentium_4_chipsets

I have seen websites offering DDR Sdram at 400MHz for this board.
Maybe there is a BIOS update, I don't know. But going with the standard BIOS program that is installed, and info for the Intel 845G support, I would say this = No.

Processor Front Side Bus (FSB) support is either 400MHz, or 533MHz.
Ram memory typically operates at HALF of the Processor's FSB.

That would be 200MHz (PC1600), or 266MHz (PC2100), respectively.

[Half of 533 = 266.5
It's just rounded down to 266 ]

Can you read a manufacturer's label on the ram memory modules?
If so post what you see in a Comment.

Regards,
joecoolvette

[Sometimes when upgrading ram memory, it may take you to turn the computer completely off, and wait 1 minute. Then turn it on, and let it run for a couple of minutes, then turn it off. Wait 1 minute, turn it back on.

IF, the motherboard does have SPD, and IF, the Ram Memory has SPD, it may take a couple of 'Cold Boots', for BIOS to recognize the Ram Memory.

Some of the old mobo's were just like that.
{MOtherBOard ]

Jul 11, 2012 | Computers & Internet

7 Answers

I have this ASUS P4GE-MX Motherboard. I want to upgrade my ram from DDR 256 MB TO DDR 1 GB. For temporary purpose, I tried another 256 DDR ram with 400 MHZ, but I had some problem with booting my system....


Hello, The Motherboard's specifications mention that it uses DDR Ram, while the FSB runs at 400MHz. That means that any kind of DDR memory will work up to the maximum of 2 GB (it has 2 slots, so it's up to the max of 2x1GB DDR sticks).
There's no issue with the speed, actually the faster you can get the better results you will have. Try looking for 1GB DDR 400MHz (preferably two of them, if you want to max out the capacity and since it's kind of cheap to do so).
The one you tried and didn't work, might be due to a faulty RAM module.

Mar 13, 2011 | ASUS P4GE-MX Motherboard

3 Answers

I want to extend the RAM memory on my NEC computer. The motherboard is a GA-8SIMLNF Rev.1.1. It has two memory slots and presently one slot is occupied with a PC2100U-20330-A1 256 DDR 133 CL2 memory. I...


Check your manual (Gigabyte will have the manual on their website), to make sure your motherboard can handle 1Gb of Ram, or more. Generally in my experience, medium aged motherboards handle 1GB per slot, max (mine uses PC3200, not PC2100, and will take up to 4GB in its 4 slots).

You'll want PC2100 ram (easily searched for on http://www.newegg.com), either in 2x512MB sticks, or a single 1GB stick for your open slots (bringing you up to 1.25GB).

Mar 01, 2011 | Intel Motherboard

5 Answers

What type of ram can I add to my Compaq EVO 510 CMT and what is the max amount?


DDR SDRAM type Ram i.e. DDR1 with 266mhz speed with DDR266/PC2100 compliance. You can simply ask for DDR SDRAM 266Mhz or you can find online with the similar compliance, DDR266/PC2100 Compliance.

I hope you still have the old one which was installed on the system, if so look at the white sticker, it should be labelled there...
6e6b61b.gif


If you need further help, let me know.

Good luck.

Thanks for using FixYa.

Sep 15, 2010 | Compaq Evo D510 Minitower (Open Box)...

1 Answer

2G RAM's for Elitegroup (ECS) L7VMM2 Rev 1.0A Motherboard


You're board can handel; DDR SDRAM up to 200 or 266MHz DDR SDRAM memory module. Accommodates two "unbuffered", 2.5V 184-pin slots. Each slot supports up to 1 GB with a total maximum capacity of 2 GB. Return the Kingston memory you have installed if it is less than a year old. They should allow you to trade up to the MB's supported memory.
Two reach the MB's max memmory of 2GB. Buy two Kingston DIMMS of, "unbuffered", 2.5V 184-pin
DIMMs. Here is one site that sells Kingston memory;
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=235786&CatId=548
The next link is Kingstons site; http://www.ec.kingston.com/ecom/configurator_new/PartsInfo.asp?root=us&LinkBack=http://www.kingston.com&ktcpartno=KVR266X64C2/1G

Here is another site; http://www.buy.com/prod/kingston-1gb-ddr-memory-pc2100-266mhz-184-pin-dimm-kingston-1gb-ddr/q/loc/101/10348796.html
If you decide to search for you're self, use this as the basis for the correct model: Module - KVR266X64C2

Link to ECS web site; http://www.ecsusa.com/ECSWebSite/Product/Product_Detail.aspx?DetailID=62&CategoryID=1&MenuID=50&LanID=9

Good luck!
Mike

Jun 02, 2010 | EliteGroup L7VMM2 (L7VMM2 NO CARD READER)...

1 Answer

PC Motherboard Memory upgrade


From Asus tech: Memory 3 184-pin DIMM slots for PC1600/PC2100 DDR SDRAM
Supports up to 2GB memory
No ECC supportThis is only compatible RAM so make sure your new chip is PC1600 or PC2100. If you mis the 2 it the faster RAM will run at the slower chip speed. Hope this helps.

Feb 20, 2009 | ASUS P4B266 Motherboard

2 Answers

RAM upgrate


you can upgrade to a max of 2gb on that board. These are your 1gb options: 1GB PC2700 333MHz DDR Memory, 1GB PC2100 266MHz DDR Memory, and 1GB PC3200 400MHz Non-ECC Unbuffered 184-pin DDR DIMM Memory. Install a set of any of these and your off and running.

Dec 22, 2007 | FIC P4M-800T Motherboard

2 Answers

P4VMM2 Motherboard problems with RAM Cards changing fron SDRAM to DDR


Depending on your version of motherboard, it may only take ddr when you change the motherboard jumpers, as i assume you have 2 SDRAM and 2 DDR slots, but you will need to refer to your manual

Apr 10, 2007 | EliteGroup P4VMM2 Motherboard

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