Satellite L300-16L - BSOD with new RAM modules

Hi,
I have got a Satellite L300-16L and am getting the same problem.
Got 2 x 1 GB Dimms standard and ordered 2 new 2GB Dimms. If I put the 2 new 2GB Dimms in I get the BSOD, Memtest also crashes as soon as it begins testing. If I place a 1 GB Dimm in the lower slot and a 2GB in the other windows boots fine, If I try to put the 2 GB in the lower slot and the 1 GB in the higher one it BSODs.
But If i put either 2 GB in on the lower slot on its own windows boots fine, mem test also can test both 2 GBs individually and says there are no issues.
Any ideas anyone? My laptop is supposed to support 4 GB I am sure of it.
Thanks
JJ

Who knows the point is that you got BSOD using new modules.
This means that modules are wrong or not compatible!!!!
So even the notebook would be able to handle the 4GB RAM, the BSOD is related to these new modules.
This would mean that you would have to use adn test other modules which are 100% compatible with this notebook
But as suggested by other users, the chipset is not 4GB capable! Therefore you will be not able to use 4GB RAM.

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Hi,
just regged with this forum as I am having a memory upgrade problem.
I have read through a few of the memory problems on here and all users say its a comaptible memory issue. I had Hynix 512MB RAM in my laptop and I purchased 2 x 1GB of Hynix memory both of these are matching sticks to the installed memory but when I installed them my laptop wouldnt boot at all. It would only boot if I had one stick in at a time.
I tried switching top and btm ports and even when one stick was installed it says in XP, Vista and Windows 7 (yes I have tried all systems) 896MB available. I even tried using my other Hynix stick but it only booted and showed the highest stick of 1GB (896MB usable in Windows 7). After reading all the threads I'm just wondering if this is a hardware fault or is there a fix in the Toshiba world or perhaps in the Toshiba world the L series is nearly obselete and not worth the bother to help out the people who unwittingly bought thier merchandise.
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You are seeing 896MB because the rest is reserved for the Graphics Card VRAM.
Sometimes RAM can simply be not compatible, due to timing incompatibilities or RAM chip/controller design differences.
What speed and timing is your original RAM?
PCxxxx / DDRxxx =
CAS/RAS timings =
What speed and timing is your new RAM?
PCxxxx / DDRxxx =
CAS/RAS timings =
You can view this information using a utility called CPU-Z
http://www.cpuid.com/cpuz.php

PowerMac G4 having problems with new RAM modules!

dear all,
I’ve recently got 2 512 MB Ram module from a British eBay dealer, to be used on 2 different but very similar PowerMac G4 AGP Graphichs 400 MHz machines.
I installed the first module in my father’s Mac, and it works fine, no problems of any sort. Then, a few days later, I installed the other module in my PowerMac, and immediately it started behaving very erratically: some programs didn’t open at all and others crashed with no warning, I tried to run Rember but it soon get stuck. I assumed the Ram module was faulty, emailed the dealer (who’s been very helpful) and then sent it back to get a replacement. The new module arrived yesterday, I installed it... and it was even worse: as some programs didn’t open as soon as the new module was installed, I rebooted the PowerMac but it hasn’t been able even to load the OS anymore, it just stopped at the blue screen forever, once came out a black screen and a Darwin login, but nothing else. As soon as I removed the Ram module the PowerMac started to work perfectly again.I'd assume again there's something wrong in the Ram module, but isn't it too much unlucky to get 2 faulty modules one after the other, or maybe the problem could somewhere else, in my PowerMac?!?
Unfortunately I can't test the new module in my father's machine, as we live 700 kms apart.
My hardware details are:
Power Mac G4
Model: PowerMac3,3
CPU: PowerPC G4 (2.9)
1 CPU
CPU Speed: 400 MHz
L2 Cache (per CPU): 1 MB
Memory: 896 MB
Bus speed: 100 MHz
Boot ROM Version: 4.2.8f1
thanks!

ok, I've now tried every possible combination... but with no success
First, taking out one of the "old" 128 MB I realized it was one of the High density DIMMs (chips on one side only) Japamac was mentioning, in total 2 of the 128 modules were like this. However, taking out one or both of them, or even having only the "new" 512 MB module in, hasn't changed much, sometimes the OS booted, sometimes not but there were always some programs not opening/crashing and Rember got stuck with an error message. With just the "new" module the booting stopped at the blue screen (only blue, no apple splash screen in the centre).
With the new module plus one of the old 128 MB modules (the one with chips on both sides) Rember got stuck very soon, and the error message was:
Memtest version 4.2 (32-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004, 2005, 2006 Tony Scaminaci (Macintosh ports)
Licensed under the GNU General Public License version 2 only
Mac OS X 10.4.11 (8S165) running in multiuser mode
Memory Page Size: 4096
System has 1 PPC processor(s) with Altivec
Requested memory: 434MB (455589888 bytes)
Available memory: 434MB (455589888 bytes)
Allocated memory: 434MB (455589888 bytes) at local address 0x02008000
Attempting memory lock... locked successfully
Partitioning memory into 2 comparison buffers...
Buffer A: 217MB (227794944 bytes) starts at local address 0x02008000
Buffer B: 217MB (227794944 bytes) starts at local address 0x0f946000
Running 1 test sequence... (CTRL-C to quit)
Test sequence 1 of 1:
Running tests on full 434MB region...
Stuck Address : setting 1 of 16testing 1 of 16setting 2 of 16testing 2 of 16
I guess all this confirm the "new" module is faulty, I'll soon email the dealer
Thanks to everybody for the help!

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Z77A-GD65 no longer boots with 4 RAM modules

I had 4 x 8GB Cosair Vengeance LP that used to work fine, but no longer boots into Windows with 4 but only with 2 RAM modules. Any help in solving the issue would be appreciated. ( I need 32 GB as I run many virtual machines )
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Quote from: PirateDog on 25-November-13, 00:23:30
If these were 2 kits mixed, ...
These were 2 mixed kits.
Quote from: XFM on 25-November-13, 07:01:42
What voltage is the RAM running? A slight bump up in voltage might help.
As to voltage, I started with standard 1.5 and then incrementally upped it to 1.65v. At 1.6v and above, it does boot into Windows, but intermittently goes into BSOD... Works perfect with 1.5v with 2 RAM modules.
I'll save the money for next build instead of going for 32GB kit. ... guess I'll live with 16GB for now.
Thank you all for the advice.

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Frustrated
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Charlies Secret Angel-

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Satellite L300-145 - BSOD appears if I install 4GB RAM

Hi all
i have this Satellite L300-145 PSLB0E-03601LPT and I want to install 4GB RAM but when I install 4GB on SO boot BSOD appears.
I try to change with other brand memorys with equal modules, I try to install Windows 7 64bit, Linux 9.10 64bit and it the same things. I try also to update BIOS but it the same.
I think it is Remap memory feature on bios but doesnt have that option.
So what i need to do?
My laptop have now 3GB
CPU: T2390 1,86Ghz 533Mhz
CHIPSET: GM965
RAM:2GB DDR2 533Mhz
HDD:Hitachi 200GB
After upgrade
CPU: T8300 2.4Ghz 800Mhz
RAM: 2GB DDR2 667Mhz
HDD: Seagate 7200.4 250GB
I realy need 4GB

Im sorry i confuse with other chipset.
But if i can get 800Mhz and 3GB 667Mhz Dualchannel its very good.
But i dont understand the BSOD.
This is my test:
1) I install 3 difrent 2GB modules and i get the same BSOD on boot OS, but i can enter on bios and i can see on memory info. 4096MB.
2) I try to instal 3GB and laptop boot well but i find one problem if i put Bank0:1GB and Bank1:2GB laptop boot ok but if i swap i get the same error BSOD.
I think one slot cannot address 2048MB of size.
If i install only 2GB on that slot i get the same BSOD.
I have 3 tips of ram
2GB 533Mhz 667Mhz and 800Mhz with difrent brands and chips.
why i this BSOD only appears on boot OS and i can enter on bios without a problem?
Sry for my poor english
Best regards

Satellite C55-A-1MW wont start with new RAM inserted

Hey .
I hope to find someone that can help me.. I've bought ram-memories and tried 4 different memories in my Satellite C55-A-1MW. But every ram card I insert makes the computer unable to start.. it will light up just to shut down again.
Is there some compability issue or anything? I've used 2 different aData Ram extensions car, 1 4gb and 1 2gb . the 4gb card was 1333 mhz and the 2gb card was 1600mhz. and i've tried 2 different corsair cards 4gb 1600mhz.
Is it something that makes it only able to extend the RAM with Toshibas own memories or is the second cardslot for RAM memory broken?

As I can see you use RAM modules with different specifications. Your problem is definitely RAM compatibility problem and you should use RAM modules with the same specification.
According notebook specification there are 4 memory slots and notebook can handle up to 32GB of RAM.
Compatible RAM modules are:
4GB DDR3L-1600 - PA5104U-1M4G
8GB DDR3L-1600 - PA5104U-1M8G
Of course you can use modules from other manufacturers but please don't use some cheap products. I can recommend you usage of Kingston memory modules.

Satellite C655-S5041 won't boot with new RAM (8GB)

I recently bought some Ram from Newegg which can be found here. I installed the aforementioned Ram into my laptop following the correct method (unplug, remove battery, etc.) however when I booted my computer up I received a black screen with a blinking cursor that freezes after a few seconds shortly after the manufacturer's page is loaded.
I know for a fact that the Ram I bought is compatible with my laptop as I'm using one of the 2 sticks at the moment along with the original Ram from my laptop. Here's where I am really having issues though.
When I have just one stick of Ram I purchased installed without the original stick my computer fails to boot up also regardless of which slot the Rams in. I have tested the sticks I bought, and my computer will boot up with them, just not without the original stick that came with my computer which wouldn't be an issue except that a) there's only 2 slots, and b) my laptop can't have more than 8GB of Ram.
My BIOS is up to date (Ver1.6) and so long as I have my original stick of Ram installed my computer boots without any issues. Needless to say you can see why I'm in need of some help.
Any help would be greatly appreciated. If you need any other specifics regarding my computer or settings feel free to ask and I'll do what I can to find them out.

Satellite C655-S5047 Specifications
Satellite C655D-S5041 Specifications
Is your model is a Satellite C655-S5047, or a Satellite C655D-S5041, as there is no C655-S5041. Toshiba laptops are extremely finicky about the RAM they will accept, regardless of the advertisied compatability of other modules. It is imperative to to be percise about your model number as:
The only approved replacement RAM modules for a Satellite C655-S5047 are shown on the spec sheet:
Memory Upgrade
Part Number Description
PA3669U-1M2G Toshiba 2GB DDR2-800 Memory Module
PA3670U-1M4G Toshiba 4GB DDR2-800 Memory Module
Or the best quality compatible Kingston Memory modules. However, if this is your system, unless you are very lucky, I doubt you will find the 4GB modules available from Toshiba, Kingston, or a third party supplier. I use the same memory in my system.
The only approved replacement RAM modules for a Satellite C655D-S5041 are shown on the spec sheet:
Memory Upgrade
Part Number Description
PA3676U-1M2G Toshiba 2GB DDR3-1066 Memory Module
PA3677U-1M4G Toshiba 4GB DDR3-1066 Memory Module
Or the best quality compatible Kingston Memory modules. These modules:
Part Number: PA3677U-1M4G
Part Number: KTT1066D3/4G
You purchased DDR3-1066 modules, which might work in the Satellite C655D-S5041. However, I sincerely doubt they will work in the Satellite C655-S5047.
Mike

Satellite Pro C50-A-1E4 runs unstable using new RAM modules

I have the above machine and have upgraded the RAM (to 8GB) a long while ago. I normally upgrade BIOS if there is a new release.
However, for some while my machine has been unstable and this is due to machine running RAM at XMP1866 (933MHz) instead of CPU rated 1600 (800MHz). I have attached screengrab from Piriform Speccy to report this.
There is no setting within UEFI BIOS 1.40 to adjust RAM timing and therefore BIOS takes SPD data incorrectly for CPU ID.
I am unable to locate earlier BIOS to check if this pattern was repeated but it took over a year to display fault hence the machine is out of warranty. If I put smaller sticks of 1600 RAM the system seems stable.
However, I purchased the RAM to make use of it. I am now unable to test if the RAM is faulty as it will not pass Memtest (either lockup or crash out) but I am unsure as to whether system instability is cause of system being OC due to BIOS or faulty RAM.
The question being it ran perfectly for about a year before displaying errors. BIOS should correctly detect speed setting from JEDEC standard data in EEPROM. It does not do this. I have often ran 'overspec' memory in other PCs without encountering this behaviour. It is only troubleshooting that has made me aware of this discrepancy.
RAM is Crucial Ballistix 8GB-1866 BLS8G3N18AES4CEU.16FE

Originally Posted by TomDexter
I doubt its a BIOS issue
First of all you can not use any RAM module you have to use an fully compatible modules and as you probably know, not all RAM modules available on the market are fully compatible.
As far as I know in case of RAM upgrade Toshiba recommends the usage of these modules.
4GB DDR3-1600 PA5037U-1M4G
8GB DDR3-1600 PA5037U-1M8G
The specifications are:
Memory Speed: 1600Mhz PC3-12800
Capacity: 8GB
Pins: 204 SODIMM
RAM Type: DDR3 SODIMM
Rank: Dual Rank
CAS Latency (CL): CL11
Voltage: 1.5v
I would recommend you to use modules which meet exactly the same specifications.
That's sidestepping the point nicely. I still believe the BIOS to not be reading the EEPROMs correctly, but hey if you can swerve that one then I'll swerve Toshiba in future.
Thanks for editing the post title.

Problems with new RAM

I bought new ram for my macbook Unibody (7.1) to update from 2gb (2x1Gb) to 4gb (2x2Gb). I replaced the old ram to the new ones, but when I turn the computer on it produces five beeps and continues doing that until I turn it off. But when I put one 1gb old ram in one slot and in the other slot a 2gb new ram it works perfectly and it says that I have 3gb (that means that the computer also recognized the new ram).
The new ram came from a mac mini, and they are 1333mhrz while the old ones are 1066mhrz, but I heard that when the ram admits more speed than the slot speed they can be used with te speed from the computer (if my macbook has 1066mhrz slots, then, the 1333mhrz ram will work at 1066).
Can you help me?

Welcome to Apple Support Communities. We're users here and do not speak for "Apple Inc."
Macs are notoriously 'picky' about RAM memory timing!
Although what you suggest about RAM timing might work in SOME computers, your Mac obviously does not work with the 'faster' RAM inserted in both memory slots, hence the black screen and 5 beeps.
Indeed, some sellers label faster RAM with a slower spec, and indeed some computers don't have a problem with that, but it is not true in this case.
You have several options:
1. Go back to the original 2x1GB RAM modules.
2. Use one of the 2GB with an original 1GB module for a 3GB configuration. It's still a 50% increase in available RAM for your system from 2GB. If you start getting frequent Kernel Panics, that is an indication that the faster 2GB RAM just won't work in your system.
3. Purchase two of the correct RAM modules with the proper specs. Your Unibody can hold 8GB or even 16GB if you're running OS X 10.7 or newer: http://blog.macsales.com/16302-some-2010-mac-owners-can-get-more-ram-than-they-t hought
Crucial.com and OtherWorldComputing (www.macsales.com) are two reliable sources for Apple RAM upgrades, guaranteed to work properly.

Power Mac G5 Refuses to start with new RAM!

I have a Power Mac G5 Dual 1.8GHz June 2004. I know I read somewhere online that it takes 1GB sticks of RAM, and that it has to be dual channel. I went to Best Buy today and got myself 2 sticks of 1GB DDR PC3200 "Compatible with 400/333/266MHz" Dimms, and installed them in pairs. When I start them with or without my old memory, my mac starts up, makes no noises, but the fromt white LED light blinks 2 times, and does this repeadedly until I shutdown and install the old 512MB sticks. I need to get this new RAM to work in here, I just paid $112 total for 2 sticks, and I am not ready to go back to the store yet. Is there something I am missing here? Something I am not doing right?
New RAM Specs:
1GB DDR Dimm,Q PNY Technologies, PC3200 "Compatible with 400/333/266MHz"
I need to get this to work on my machine! Thanks for any help.

Is there something I am missing here?
Not all RAM is created equal and seldom does over the counter PC RAM work in a G5.
Buy and install ONLY guaranteed Mac compatible RAM.
http://eshop.macsales.com/shop/memory/PowerMac-G5-Memory
BTW, you paid too much.
When I start them with or without my old memory, my mac starts up, makes no noises, but the fromt white LED light blinks 2 times,
That means "Incompatible RAM types".
http://support.apple.com/kb/ht1547
I am not ready to go back to the store yet.
Go back to the store.

After installing new RAM module macbook will not wake without re-start

Im having a little problem with my macbook. It operates normally and the new RAM appears to function as normal except when the computer is in sleep mode, it appears to sleep as normal but when the lid is raised or the power button depressed to wake the system up it will not do so without a full re-start. Any help is much appreciated. I have tried re-setting the PRAM and performing the usual maintenance functions from OnyX.
Thank you.

Did replacing the RAM fix the problem? I am also experiencing the same issue. The RAM works great when the computer is running but occasionally I cannot get the computer out of sleep mode and must reset the entire machine. Is the only cause of this a bad stick of RAM?

IMac G5 17" won't boot with new RAM

I tried to install 2 GB RAM into an iMac G5 17" - the computer won't boot at all. The sticks are fine (DDR PC3200 - tried them in a different computer), I reset the PRAM, all to no avail. With the original 256 MB stick, it boots fine, but with the new sticks in either slot or together, all I get is a black screen, no tone, and the fan goes on high. The firmware is up to date. What next?

I have a similar issue with my i5 since installing an additional 4GB (2x2GB) RAM from OWC. It runs fine normally, but if I ever need to reboot the iMac, it usually hangs at a black screen and never chimes. I have to pull the RAM, reset them and then it'll boot. I wonder if there is some timing tolerance problem with mixing RAM (with Apple's Samsung pair).
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Satellite L300-16L - BSOD with new RAM modules

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