Low End Mac Reader Specials
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Chipping the Mac
Chipping the Macintosh LC Series
Many Mac models can be "chipped" to run at a higher speed. These pages provide information on the maximum reliable speed. This may vary from one machine to the next. Chipping is not authorized by Apple. Any modifications you perform on your Mac may damage it and will void any warranty. Modifications are done at your own risk.
Be sure to visit Marc Schrier's Clock Chipping Home Page, the definitive resource on chipping the Mac.
LCIII (Performa 450)
This modification will run an LC III or Performa 450 at 33 MHz. This will make it identical to an LC III+ and Performa 460. Before you perform the modification, you will need one of the following or the machine will not boot once it has been clock chipped:
- The latest version of System Enabler 308.
- Version 1.1 of System Enabler 003
- System 7.5
The modification:
- Remove the resistor in position R14 (0 ohm). It is located at the top of the motherboard, near the RAM slot.
- Install the resistor you just removed into position R74.
A few notes:
- The computer will now identify itself as a Mac, not an LC III. Also, the Gestalt ID will change from 27 to 62, the same as an LC III+ and Performa 460. This will not cause any problems with this machine.
- According to MicroMac, the Diimo 128k L2 cache card for the LC III and Performa 450 will not work in the LCIII+ or Performa 460. This means that the Diimo 128k L2 cache card will also not work in a clock chipped LCIII or Performa 450.
- Info from LCIII (P450) Speedup
Links for the Day
- Mac of the Day: Power Mac G5 Quad, Oct. 2005 - With two 2.5 GHz dual-core G5 CPUs, the G5 Quad was the most powerful PowerPC Mac ever and introduced PCI Express.
- Group of the Day: Mac Network deals with all aspects of Mac networking.
- Support Low End Mac
Recent Content
- Apple's Tablet an End Run Beyond Netbooks, Frank Fox, Stop the Noiz, 11.20. Whatever Apple has planned will leverage existing technologies while going beyond what its competitors can offer.
- i5 iMac Benchmarked, Mac mini 'Shouldn't Be Overlooked', Twitter Client for Classic Mac OS, and More, Mac News Review, 11.20. Also why Apple leaves the low end to others, 10.6.2 fixes video playback problem in 27" iMac, 3D Leopard and Snow Leopard performance, and more.
- NASA Chemical Sensor for iPhone, Smartphone Death Match, iPhone Earrings, and More, Ian R Campbell, 11.20. Also mobile phone dangers, new apps, GPS solution for iPod touch, new iPod and iPhone cases, and more.
- Apple #4 in Reliability, Apple Tablet a Gadget for All?, HP's i7 Notebook Outdoes Mac Rivals, and More, The 'Book Review, 11.20. Also Flash 10.1 improves video on Hackintosh netbooks, thin-and-light notebooks impress, Windows XP finally on the way out, and more.
- Replacing the Hard Drive in a Clamshell iBook, John Hatchett, Recycled Computing, 11.19. Yes, it is one of the most difficult Apple notebooks to disassemble and reassemble, but a 10 GB hard drive just will not do.
- IBM Model F: A Great Old Keyboard with an Outdated Layout, Tommy Thomas, Welcome to Macintosh, 11.19. Although it used a different technology than the revered IBM Model M keyboard, the Model F was a great keyboard in its own right.
- Soft Touch Keyboards, Wireless Mouse Options, Loving SeaMonkey 2, and More, Charles W. Moore, Miscellaneous Ramblings, 11.18. Also the future of browsing with PowerPC Macs and the multiple mouse input bug introduced with OS X 10.5.8.
- More links in our archive.
Recent Deals
- Best eMac Deals, 11.18. Used 1 GHz Combo, $100; SuperDrive, $269; 1.25 GHz Combo, $119; SD, $319; 1.42 GHz Combo, $289; SD, $498.
- Best Mac OS X 10.6 and Mac Box Set Deals, 11.18. "Snow Leopard", single user, $25; 5 users, $45; Mac Box Set, single user, $139; 5 users, $180; Server, $414. Shipping included.
- Best Xserve Deals, 11.18. Used 1 GHz dual G4, $649; 2.3 dual G5, $795; 3.0 4-core Xeon, $1,899; refurb 2.26 4-core, $2,499; new, $2,888; refurb 8-core, $2,999; new, $3,449; more.
- Best 15" MacBook Pro Deals, 11.17. Used 1.83 GHz, $750; 2.16, $800; 2.33, $900; refurb 2.4, $1,299; 2.53, $1,449; 2.66, $1,699; 2.8, $1,899; new 2.53, $1,579; 2.66, $1,799; more.
- Best Power Mac G4 and AGP Video Card Deals, 11.17. Used 400 MHz, $50; 933 MHz, $80; 500 dual, $60; 867 dual, $90; 1 GHz dual, $150; 1.25 GHz dual, $225; 1.42 GHz, $499.
- Best Mac OS X 10.5 Deals, 11.17. "Leopard" upgrade, $80; single user license, $135; 5 users, $173; Mac Box Set, 5 users, $230; Server, 10 users, $340; unlimited, $850. Shipping included.
- Best Mac mini Deals, 11.16. Used 1.42 GHz G4 mini, $379; 1.66 GHz Core Solo, $419; 2.0 Core 2, $450; new 2.26 GHz nVidia, $580; 2.53 GHz, $769; Server, $990.
- Best iBook G4 Deals, 11.16. Used 12" 1.07 GHz Combo, $210; 1.33 GHz, $298; 14" 1.33 GHz, $398; 1.42 GHz, $479; SuperDrive, $498.
- Best iPod shuffle Deals, 11.16. Used 1 GB, $35; 4 GB, $65; refurb 1 GB, $39; 2 GB, $59; new 2 GB, $55, 4 GB, $75. New and refurb prices include shipping.
- More deals in our archive.
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