Since I just tried this a few days ago, I'd thought I'd report my findings. Test bed: Late 2008 Macbook Aluminum, DDR3 PC3-8500 RAM (1067MHz) Tested RAM: DDR3 PC3-10600 (1333MHz) Original RAM: Bank 0/1GB 1067 Bank 1/1GB 1067 Remove both sticks of 1067 RAM. Install 2GB 1333 in Bank 0. Reboot - successful; all systems function normally. Swap 2GB 1333 to Bank 1. Samsung 8gb Kit (2 X 4gb Ddr3l-1333 Sodimm Memory For Mac ProTested at Apples Compatibility Labs to ensure best functionality with all current products that have official Apple support for 4GB SO-DIMMs. Density: 8GB (2x4GB SO-DIMM). Patriot Signature 8GB 204-Pin DDR3 SO-DIMM DDR3 1600 (PC3 12800) Laptop Memory Model PSD38G16002S. CAS Latency: 11 Voltage: 1.5V Buffered/Registered: Unbuffered Features: Patriot Memory's Signature Line DDR3 SODIMM memory delivers the quality, reliability and performance expected for today's computer needs. This 8GB module is designed to run at PC3-12800 (1600MHz) at CAS 11 latency timings. Products 121 - 144 of 1956 - Extend the life of your Mac with a RAM upgrade today. OWC 8GB ( 2x4GB ) PC3-10600 DDR3 1333MHz SODIMM. Samsung M470T5663QZ3-CE6 2GB DDR2 PC2-5300S 667MHz SO-DIMM Laptop Memory. Buy Lenovo 8GB 2 x 4GB PC3-10600S DDR3 1333 SODIMM Laptop Memory Kit 55Y3714 Samsung: Memory. Crucial 8GB Kit (4GBx2) DDR3/DDR3L 1600 MT/S (PC3-12800) Unbuffered SODIMM 204-Pin Memory - CT2KIT51264BF160B. (PC3-8500) SODIMM 204-Pin Memory For Mac - CT2K4G3S1067M 4.7 out of 5 stars 3,361. Customers also shopped for. Reboot - successful; all systems function normally. Mixed RAM: Bank 0/2GB 1333 Bank 1/1GB 1067 Reboot - NO BOOT swapped slots Bank 0/1GB 1067 Bank 1/2GB 1333 Reboot - NO BOOT Remove 1067 RAM. Reboot with 1x2GB 1333 - successful; all systems function normally. Reinstall 2x1GB 1067. Reboot - successful; all systems function normally. At least for the RAM I had (2x1GB 1067 Apple stock Samsung; 2GB 1333 HP stock Hynix), the system boots with all 1067 RAM or all 1333 RAM, but it will not boot if the two are combined. Samsung 8gb Kit (2 X 4gb Ddr3l-1333 Sodimm Memory For Macbook ProI have installed 2x2GB 1067 in the Macbook now, and I have 2x4GB 1067 arriving this week; I'll retest combinations with the 2GB 1333 and repost as soon as possible. As I mentioned in the Apple thread rj713 linked to above, I suspect there's a timing issue involved - the memory controller can handle downcycling the RAM, but it can't co-ordinate two different RAM speeds at the same time. Given that the Late 2008 Macbook is the first of the DDR3 systems, it would be interesting if someone with a later 1067 RAM laptop (2009 or 2010) could try an experiment like mine with mixing 1067 and 1333 RAM, and report back on the results. It may be that the memory controller (if that's the issue) is the same in all generations of the DDR3/1067 era, or it may be that later memory controllers are smarter and more powerful. Guys trust me I have been working for Processors manufacturing companies for quite a long. Always remember to check your processor before going for any ram upgrades or downgrades. RAM bus speed totally depends only and only on the Processor you macbook has. For example, if you have late 2011 13 inch macbook pro 2.4 Cori5, then simply go to the processor specification page. It clearly shows that it supports 1066/1333 MHZ pc3 rams. Now based on that you can upgrade or downgrade without even having a single inch of doubt. However, if you try to do any other experiment where you want to put in a higher bus speed or a lower bus speed ram than specified, then there are 100% chances that it wont work. Samsung 8gb Kit (2 X 4gb Ddr3l-1333 Sodimm Memory For Mac Download![]() Take my tip - whenever deciding for a RAM, get exact specs of your processor and see the RAM compatibility list as RAM is designed to serve processor only and it should be considered before buying any RAM. I have a late 2008 macbook unibody and put 2 x 4gb 1333MHz ram in and it worked, but I do get occasional program crashes, especially for games. With 4GB 1066 ram it is fine. There is a different firmware EFI update for the unibody macbook that allows it to work ok with 8GB ram, earlier updates will only support 6GB, any more causes constant system crashes. You do need a late version of Leopard at the very least to make it work as well. I think all 10.6 (Snow Leopard) variants work OK. To make things more awkward, Apple released the updated EFI with the same version number as the old one. You need version MB51.007D.B03 (look under boot ROM in system profiler).
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Top 5 Password Managers for Mac Revised Today’s online life has brought great benefits to the average person. However, it has also created some extra complications. One of them is the massive amount of passwords that people need to manage. Password managers for Mac are apps designed to reduce this burden, as they help the user to store and organize passwords. Here below is a review of the top five ones available on the market. How To Setup Keepassx Password Manager For Mac DownloadDashlane is a password manager app and a secure digital wallet. It comes as a Freemium, which means that this is basically a free password manager Mac, which can be upgraded to a Premium version. In this case the Premium version is very good, as it allows the user to handle an unlimited number of devices, supported by different platforms, in a sync manner. Source code tarball v2.0.3. Binary bundle for MacOS X >= 10.7 Binary bundle v2.0.3. Binary bundle for Windows >= Vista (requires security update MS09-015 on Vista) ZIP bundle v2.0.3. Access to Dashlane is efficient, as it is done by a single master password, which is never recorded nor transmitted. Data is stored using AES-256 encryption. Other features include automatic password generation, two-factor authentication, secure backup, a dashboard, and security breach alerts. In addition, the developer publishes Security Roundup, a quarterly report on security policy analysis. Together with the password manager, the app provides a digital wallet, where the user can store credit card information, bank account details, IDs and several other personal details, which can later be used to automatically fill in online forms. Its efficiency and ease of use prompted the New York Times to describe Dashlane as one of the best password managers for Mac. Concisely, Dashlane is an excellent option as a Mac password manager. Both, its combined features and efficiency stand out in a very competitive market. 1Password is a commercial tool, with the option of a free 30-day trial. As its name indicates, the idea behind this password keeper for Mac is for the user to remember only one password, called master password, and which allows access to the app’s database. Once access is granted, all other passwords are managed via 1Password. This software uses strong AES-256 encryption to store the passwords. In addition, the database can be accessed through mobile devices, using fingerprints and PIN codes. How To Setup Keepass Password Manager For Mac And CheeseThe database is very comprehensive, allowing for the storage of passwords, PIN codes, documents, credit card details, and more. The software is integrated with web browsers, and can help the user in creating passwords for online accounts, filling in credit card details, personal forms, etc. How To Setup Keepass Password Manager For Mac 2018![]() In brief, is a very complete Mac password manager, which helps the user in reducing the burden created by having to deal with many passwords. Lastpass is a password manager Mac developed by LogMeIn, Inc. It is a commercial software application that it is offered for free, with a Premium paid option for many computers. It works with OS X, iOS and Android. This Mac password manager has several interesting features such as the capacity to auto-populate passwords in web sites, and personal information in forms. This is complemented with a site sharing option. In addition, it comes with a password generator, which helps the user to find more secure combinations of characters. It also has the capacity to check if a password has already been used. On the downside, the developer was admittedly hacked in 2015, and some master passwords stolen. Later in 2016, some anomalies were found. Overall, this is a good free password manager Mac that can be used in a computer with confidence and efficiency. KeepassX is probably the best password manager for Mac that is open source and for free. |
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