MEMORY MODULES EMPTY !!

After mega-research I replaced my damaged hard drive myself, (the original had had a 512mb memory upgrade & was running Tiger fine) However, now System Profiler shows the module as empty, I bought another which has done the same. Naturally, with only the built in 218mb, I can only install 10.3.9. & cannot use my 10.4 back-up La Cie external firewire drive. What could cause memory modules to do this ? I exercise extreme caution all the time, so am heartbroken, as am disabled & still paying for it.
Please someone tell me what is happening.........!!!
Megagratitude
Anji
iBook G3 Mac OS X (10.3.9) 14" iBook

Are you certain about the Apple RAM only being covered for two years? Have you called about it?
You may be able to find RAM here:
http://ramseeker.com/scripts/sortModelDetails.php?modelId=1&sortSize=512mb
You'll have to check on details of the various firms to find one that has RAM available in the UK.
MacUpgrades lists RAM in the UK here:
http://www.macupgrades.co.uk/store/machine.php?name=ibook-g3
Good luck.

Similar Messages

Mix memory modules

Hi,
I have two 2 GB memory modules that I pulled from my Mac Mini.
Since they are just sitting around, I am wondering if I add them to my iMac that has two empty slots, will give me any performance boost.
The iMac currently has two 8 GB memory modules.
Adding two the 2 GB would make the total go to 20 GB.
Will this help in any way?
Is there a certain order in which I should install these modules?
Thanks
Raj

We cannot say without know the exact model of the Mac Mini. Even though RAM modules may have the same form factor and number of pins, you cannot use RAM rated at a lower speed than that of your iMac's RAM.
You iMac requires 204-pin PC3-12800 (1600 MHz) DDR3 SO-DIMMs
Late 2012 and newer Mac Minis use the same RAM. If the Mini is older, the RAM will not work.

W520 i7-2860QM with 2 memory modules and CPU-Z Reporting them as Slots 1 and 3?

Is this normal for CPU-Z (1.59, 1.60, 1.61) to report a matched kit pair of properly populated memory modules as Slots 1 and 3 in "dual" mode? One is under the keypad in the upper slot #0 while the other is in slot #1 under the chasis on the left closest to the DVD (with the black plastic frame).
Slots 2 and 4 in CPU-Z are reported empty.
I think this is okay and just the way CPU-Z is setup to report the SPD info but would like to double check out here with others using only 2 of their 4 memory slots.
I'm running a fresh clean bloatware-free Win7 Pro SP1 installed to my Samsung 840 Pro 512GB SATA-III SSD and holding at BIOS 1.36. I'm using 1600 speed 2x8GB Corsair Vengeance modules (a 2x8 kit with adjacent module serial numbers). Optimus and the integrated graphics are both disabled in BIOS and the unit never leaves its 170W Series 3 Plus docking station w/ external monitor, keyboard and mouse ..... it runs with the lid closed nice and cool, plus quiet also.
CPU-Z also reports I'm actually running at 1600 on the memory and I have thrown every torture test I know of at this configuration and have not had any issues yet over the last 6 weeks. Benchmark programs are also all on the very high end of the ranges published for W520 units ..... probably with a lot of help from that 512GB SSD SATA-III Samsung 840 Pro.
I never plan to ever use the on-board graphics, so I'm getting ready to install my other identical Corsair 2x8 kit next week and see if stability issues arise at 32GB using 4 modules ...... will hold at BIOS 1.36 unless things start happening at 32GB.
Thanks in advance for any input about the way CPU-Z reports pairs of memory modules.
Two (I used to have Five) - T61p 15.4" WS T9300 2.5Ghz units, August 08/08 Builds with FX570M Nvidia Graphics; ... One W520 i7-2860QM w/2000M Nvidia Graphics (most recent acquisition and stupidly fast); .... One - T42 4:3 15" Flexview 1.8GHz with ATI Graphics (still perfect for traveling); ... Two - T500 15.4" units both with ATI HD3650 Graphics.

Quote
Originally posted by Wonkanoby
if it drops that low rms the psu
Sorry for asking, but what's rms? I found nothing on google that seemed to fit in, but I guess you mean to get rid of the PSU and get a new (better) one.
I also ran memtest86 for 3+ hours and it seemed that one of my memorysticks was heavily corrupted.
So I removed that one and ran memtest86 again for an hour without any problems, but the volt keep dropping anyway... and the freezing-problem persists.
Hopefully I can purchase a PSU on approval and run some test.
Thanks for the quick answers guys!
edit: By the way, which brand do you recommend for the PSU? Right now I have Topower, cheapest one I could find when I bought my computer about a year ago (only bought the two extra memorysticks last week).

Mixing memory modules on Westmere

Dear Hardware gurus,
I have a 12-Cores Westmere. Do you know is it possible to mix different memory modules on it, namely:
6x1 Gb 1330Mhz
+
2x4 Gb 1066Mhz
and if yes, in which configuration?
Thanks a lot for any comment!

Kappy, thanks for the note.
I am actually going to order some more 1333 modules, but just for the short time I have to work with what I have currently (see my original post).
As I posted above, I tried a bit already to combine the modules and Mac doesn't boot
Can you suggest a configuration, which will work?

Memory modules and hard drive not recognized

I removed and reinserted the factory installed Satellite L505D-LS5007 laptop hard drive and memory modules just as practice for installing a hard drive upgrade and an 8GB memory upgrade. The problem is obviously with the memory and not with the hard drive.
After the first practice try, one memory module was recognized. Also for a few seconds after the first practice try, I ran the PC with the battery installed, but no memory installed. I did not look in the User's Guide first to see that I should have removed the battery before removing the memory.
Now the System Indicator Lights for the HDD Activity and Memory Card Reader do not light up. The PC turns on and the display is solid black with no messages.
Before buying new memory modules, what possible ways might there be to get the PC to recognize the factory installed memory modules and hard drive again?
Solved!
Go to Solution.

When troubleshooting, I always change one variable at a time. I would hate to miss a solution by being in a hurry. In this case, you may have damaged either the RAM or the RAM slot. I would stick with the Toshiba specifications for the RAM, making sure it is the correct size, speed and type recommended. I also recommend that when you replace the RAM that both modules be from the same manufacturer, size, and specification. Try one RAM module in one slot and then the other. And then try both RAM modules in both slots. After the testing you should be able to figure if this is a RAM problem or a RAM slot problem.
In the case of hard drives, the real test is whether or not the Bios sees the hard drive. If the Bios doesn't see the hard drive, it's not going to work. The Bios should see the hard drive whether or not the hard drive is partitioned, formatted or has data on it. My experience has been that many Toshiba laptops will work fine with larger capacity hard drives provided they are the same speed in RPMs, have the same interfacing connection and physically the same size.
Again, prior to doing any work on your computer, make sure that both the AC power has been disconnected and the battery has been removed. Be careful out there. A blown repair job by a non-Toshiba tech is NOT covered under warranty.

Memory modules for Msi Big Bang trinergy

Hey forum,
i want to buy some memory modules for my trinergy mobo because the ones i had earlier also proved to be incompatible. I would like to ask you if there are any memory modules besides the ones recommended from the MSI site concerning my mobo. I am looking for a 2x2 gb ram kit with a heat dispenser so it can work around 1600mHz. Thank you in advance
P.S Is the list on the site the only one? i mean are there any updated versions of it with more high end memory modules tested?

Ideally you would provide us with your fullsystem specs first >>Posting Guide<<
From a memory perspective, the reason these modules have heatspreaders is mostly due to marketing and to impress the potential buyers. The secondary reason is that most manufacturers sell you overvolted and overclocked 1066 or 1333 chips on a 1600 marketed module that needs 1,65V instead of the standard 1,5V. Your memory controller is part of the CPU and natively only supports 1333 at 1,5V.
If you really insist, then at least get yourself a 1600 kit that does this speed at 1,5V. One of the modules that seem to work well are the CMZ4GX3M2A1600C9 from Corsair. From a user perspective, the mem modules from Crucial that you see in my signature come highly recommended as they have been proven to work on the P55 platform whenever used.

Mixing memory module of different sizes in G5-8 slot machine

is there a problem with Mixing memory module of different sizes in G5-8 slot machine
I have 2gb on four slots with 512 memory chips
Can I upgrade my memory with 1gb chips in the remaining four slots.

Hi epospiech-
Yes you can.
Instructions here: Memory (DIMMs) Replacement Instructions
Luck-
-DaddyPaycheck

Memory modules not working on HP Touchsmart 600-1050sc desktop - update BIOS ?

Hi
I just bought 2 x 4GB DDR3 PC3 12800 memory modules from Cruical (see http://eu.crucial.com/eur/en/touchsmart-600-1050sc/CT5311446)
The modules does not work on my HP Touchsmart 600-1050 sc desktop. Acc to HP specs it should support 2 x 4GB (max 8 GB in total).
But the computer does not start (I have installed the modules correct). The manufacturer advises me to update my BIOS.
I wanna ask you guys, before I try suhc a thing, is there any chance this could help?
Thanks

Hi,
Its specs:
Memory upgrade information
Dual channel memory architecture
Two DDR3 SO-DIMMs (200-pin) sockets
SO-DIMM type-PC3-10600 (DDR3-1333)
Non-ECC memory only, unbuffered
Supports 2 GB DDR3 SO-DIMMs
Maximum memory only if using 2GB DDR3 DIMM modules.
Supports up to 8 GB on 64-bit PCs
Supports up to 4 GB* on 32-bit PCs
Please try PC-10600 RAM
Regards,
BH
**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

HT1423 I am adding more memory, should I replace the top two slots with the 4g memory modules, then place 2g memory modules on bottom slots. Does it even matter?

I am adding more memory, should I replace the top two slots with the 4g memory modules, then place 2g memory modules on bottom slots. Does it even matter?

I am adding more memory, should I replace the top two slots with the 4g memory modules, then place 2g memory modules on bottom slots. Does it even matter?

How to install memory modules on a macbook pro 15"

I run Windows 7 via parallels desktop on my macbook pro. How do I type special characters on a Word document using the mac keyboard?

how to install memory modules on a macbook pro 15"
Read the manual / user guide that came with your comptuer or download it from http://support.apple.com/manuals/
I run Windows 7 via parallels desktop on my macbook pro. How do I type special characters on a Word document using the mac keyboard?
Post your question on the Paralells forums: http://forums.parallels.com

Mixing memory modules of different sizes in a Mac Mini

I have a MM Intel Core Duo with a 1.66GHz processor and 512 MB 667 MHz SDRAM. Model Macmini1,1, 32 Bits, SMC Version (system): 1.3f4.
Anybody know if you can mix memory modules in it? I have the standard 256 modules (2) and would take one out and replace it with a 1 GB one. Can this be done?
Thanks

+Anybody know if you can mix memory modules in it? I have the standard 256 modules (2) and would take one out and replace it with a 1 GB one. Can this be done?+
Yes, you can do this. You will get a slight performance hit on video, but that will be more than offset 99% of the time by the extra RAM reducing overloading of the Virtual Memory system.
However, it is enough work to replace the RAM and RAM is cheap enough, that I'd recommend putting in two matched 1 Gig modules instead.

I have a mac mini mid 2011, this device have; 2,3GHz and 2 Gb Memmory.I want to upgrade the memory and i need the list of supported memory modules

i have a mac mini mid 2011, this device have; 2,3GHz and 2 Gb Memmory.I want to upgrade the memory and i need the list of supported memory modules. i am from turkey.

Welcome to Apple Support Communities
The Mid 2011 Mac mini supports 8 GB of memory officially, but you can install up to 16 GB of RAM, so you can use 2, 4 and 8 GB modules. You can buy more RAM from OWC or Crucial.
If you are looking for memory at a local shop, make sure you buy 1333 MHz DDR3 memory. See > http://support.apple.com/kb/HT4432?viewlocale=en_US&locale=en_US

Is it right to mix sizes of memory modules in a mac mini 2012? for example 2Gb 8Gb?

Is it right to mix sizes of memory modules in a mac mini 2012? for example 2Gb 8Gb?

Welcome to the Apple Support Communities
You can do that without any problem, always that the total amount of memory is less than the maximum memory your Mac mini supports. A Late 2012 Mac mini supports 16 GB of memory, and you can find in this site the steps to install more memory > http://support.apple.com/kb/HT4432?viewlocale=en_US&locale=en_US#1

2Gb Memory Modules - Power Mac G5?

New here, but a returning Mac user.... at last....
Just got hold of an older (early 2005) G5 Power Mac (Dual 2.7Ghz). Can anyone tell me if it's OK to upgrade the memory using 2Gb memory modules (assuming of course I have matching pairs, and don't exceed the max memory - 8Gb I think)?
Sorry, I'm only able to find that 2 x 1Gb modules is OK, but so far nothing on 2 x 2Gb modules...
Thanks.
~Mark~

2 x 2Gb modules will not work.
Apple specs here: PMG5 RAM Requirements

K7T, memory modules and slowness

Bonjour à tous.
That’s the first time I post… It’s hard for me to write in english…
My motherboard is K7T Turbo (MS-6330). I have two problems :
1. I have three memory modules : 256 MB, 128 MB and 64 MB. All three are 133 MHz speed.
The memory test of Norton Utilities indicates alwys an error at an address about 356888576 (the address is not always the same, but always greater or equal than the one I wrote above.
 When just one of these three memory modules is used, the memory test is always OK (any module plugged in any socket)
 The test is also always OK with the two modules 256 an 64 MB,
 Also OK with the two modules 128 and 64 MB,
 But it is Always failed with the two modules 256 and 128 MB.
Here is my conclusion : my K7T Turbo has a problem « addressing the memory in the space around the address 356888576 and above ».
356888576 is 1545B000 in hexadecimal. 256 MB + 128 MB = 18000000 (hexa) is the only combination of my memory modules that goes ahead 1545B000 (256 MB + 64 MB = 10400000)
Do you think my motherboard is guilty ?
2. The Memory Bandwidth Benchmark of SiSoftware Sandra 2002 gives me a result about 895 MB/s.
The result is the same with one, two or the three memory modules. And It seems to me very low.
Is it possible to obtain better ? Is it necessary to upgrade the BIOS (my version is 2.9) ?
K7T Turbo
Athlon 1.4 GHz
ATI Rage Fury Pro Expert 2000
Sound Blaster Live!
Merci d'avance,
Bernard (from France)

When troubleshooting, I always change one variable at a time. I would hate to miss a solution by being in a hurry. In this case, you may have damaged either the RAM or the RAM slot. I would stick with the Toshiba specifications for the RAM, making sure it is the correct size, speed and type recommended. I also recommend that when you replace the RAM that both modules be from the same manufacturer, size, and specification. Try one RAM module in one slot and then the other. And then try both RAM modules in both slots. After the testing you should be able to figure if this is a RAM problem or a RAM slot problem.
In the case of hard drives, the real test is whether or not the Bios sees the hard drive. If the Bios doesn't see the hard drive, it's not going to work. The Bios should see the hard drive whether or not the hard drive is partitioned, formatted or has data on it. My experience has been that many Toshiba laptops will work fine with larger capacity hard drives provided they are the same speed in RPMs, have the same interfacing connection and physically the same size.
Again, prior to doing any work on your computer, make sure that both the AC power has been disconnected and the battery has been removed. Be careful out there. A blown repair job by a non-Toshiba tech is NOT covered under warranty.

MEMORY MODULES EMPTY !!

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