Upgrading a First Generation Power Mac G4
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Evan Kleiman - 2003.02.03
The G4 processor is the pinnacle of processing power. The whole time it has been around (since August 1999) it has been the best of the best compared to competing processors. However, many of the original G4s no longer seem the speed-demons they used to be.
Is it time to replace these 350 and 450 MHz computers with new ones? Of course not! This is Low End Mac!
Let's get started renovating your former PIII wreckers into the PC eaters they should be.
Processor speed is probably the biggest concern for speeding up
these computers, and it should probably be the major 
concern for anyone upgrading. Companies such as XLR8
and Sonnet make upgrade cards for the Power Mac G4, some running as
fast as 1 GHz! Low End Mac has an excellent page where you can
find an upgrade card to suit your needs.
Memory is another big concern for those using an older G4. They originally came with only 64 MB in the lowest models, but they can hold up to a half-gig. Adding on memory will definitely help. The PC100 SDRAM that the G4 uses can be found on the cheap. A quick look on eBay shows 256 MB sticks going for as little as US$30.
The next G4 slowdown is the video card. The original PowerMac G4s had two different configurations, each with a different type of video card. The "Yikes!" model, with a 350 or 400 MHz processor, supports PCI video cards, just like the Blue and White G3 it was based on, so card choices for this computer are rather limited today. There are a few Voodoo cards that will work with the PCI version, however, you might be better to spend your money on other upgrades for this computer, which we'll cover later. Adding a second video card, instead of replacing the one you have, will add the capability for multiple monitors, which is a whole other topic.
The "Sawtooth" version of this computer came with a 2X AGP port. AGP is another way of connecting a video card to a computer. It is much faster than PCI. For this computer, there is a plethora of available video cards. There all kinds of ATI cards that can be had very cheaply from after-market vendors, eBay, or even places like CompUSA.
Lastly, the 10 GB hard drive found in these Macs seemed huge three years ago. However, with MP3 and video editing an everyday use for many Mac users, a larger hard drive may be needed. The Power Mac G4s all use some flavor of an Ultra ATA drive (33 on the first Yikes, 66 thereafter). These drives are the cheapest to find. 60 GB 7200 RPM drives can be found for less than US$90.
For true speed-demons, a SCSI drive can be installed, too. However, since an additional SCSI card needs to be installed, prices can really climb here (in addition to the cost of the card, SCSI drives cost more than IDE drives), and since we're trying to stay under the price of buying a newer Mac, this probably isn't the best solution. Also keep in mind that some SCSI cards have problems with Mac OS X, so if you're running or plan to run OS X, do your homework.
Why buy a new computer when you can easily upgrade yours? There's no reason, especially with great resources such as eBay. Low end isn't necessarily slow.
Evan Kleiman has been writing for Low End Mac since January 1999. He also runs his own site, Evansite. Evan uses an iMac, along with some vintage hardware. You can read more about his computing experience in The Many Macs of Evan Kleiman.
Not sure if you should upgrade your old Mac or replace it? Check the Mac Daniel index to see if we've already addressed your problem.
Recent Mac Daniel columns
- Bringing G3 iMacs and other G3 Macs into the Tiger Age, Dan Knight, 12.07. Tips on hard drives, memory, WiFi, and getting Mac OS X 10.4 installed on G3 iMacs and other older G3 Macs.
- Multiple users on the same Mac at work, Dan Knight, 11.15. How to set up a Mac so multiple users can log in and use it - and use the same pool of work files.
- 1 working eMac from 2 broken ones, Dan Knight, 11.14. A pair of matching eMacs, each with a different failure, results in one working eMac and lots of leftovers.
- More in the Mac Daniel index.
Recent Content on Low End Mac
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- Wouldn't life be great with an iSlate?, John Hatchett, Recycled Computing, 07.04. PDAs and smartphones are too small for some tasks, full-fledged Tablet PCs are overkill, and ebook readers are too limited. Apple has the tech to own this niche.
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- July 5 in LEM history: 98: The iMac: First of a family? - iMac Perfect for schools - 00: Apple is not your friend - 01: 75 Mac Advantages - Do you trust me? - 02: The joy of X with Classic - The good, the bad, and the intrusive - 05: No Quartz Extreme for Pismo - A brief history of NeXT - 06: Education iMac - iTunes and the French interoperability law - TopXNotes - Apple's secret battery reset utility - Misleading hard drive capacity
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- More links in our archive.
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