These might come with a pre-OS X version of Mac OS (Mac OS 7, 8, or 9). Some of the first PowerBook G3 laptops didn’t even include USB, although this is easily fixed with a Cardbus expansion card. I found one on eBay for $10 in the original packaging, with the driver CDs. For an even better bargain, you can buy a “spares or repair” Mac.
The Beige G3 is a third-generation Power Mac. It has a new motherboard with a faster system bus than earlier models, a third-generation PowerPC CPU, uses a completely different type of memory, has a different way of upgrading the CPU, and includes a personality card slot. The Power Mac G3 comes in desktop and minitower configurations and replaces the 7300, 8600, and 9600.
The PowerPC 750 (G3) CPU was the first processor designed specifically for the way Macintosh works. Code compatible with the 603e, the G3 was tweaked based on the software Macintosh users ran. This moved the “entry level” chip past the previous powerhouse, the 604e, even at lower clock speeds. Macworld’s SpeedMark showed the 233 MHz is 22% faster than the 233 MHz 604e in the 9600/233.
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The 233 MHz model usually comes in a similar desktop case to the 7200-7600. Because of the smaller motherboard, it has room for one more drive – mounted on the bottom of the desktop case itself. (The G3/233 was also available in a tower configuration, but only from the Apple Store.)
The 266 MHz version was available in either a desktop or tower configuration. The tower is a new design, essentially a shorter version of the well-received 8600 case. The G3 tower typically comes with a Zip 100 drive, leaving one free 5.25″ expansion bay for a removable media drive.
For the first time, Apple shipped a Power Mac with a top notch EIDE hard drive that holds its own against SCSI-2 drives. It was a bit of a paradigm shift, but one the Mac OS community eventually embraced, since it made buying bigger, faster hard drives much more affordable. (Although 16.7 MB/sec. IDE was fast in 1997, it’s a real bottleneck with newer drives. To really unleash their performance, consider a faster IDE/UltraATA controller that fits in one of the G3’s PCI slots.)
The CPU with backside cache plugs into a ZIF socket on the motherboard. Curious users have already found ways to boost performance by changing jumper settings.
Considering the cost of an upgrade daughter card plus a 6 MB SCSI hard drive on an older Power Mac or clone, buying a new the G3/233 was a viable alternative to upgrading an older computer. On top of that, it has a faster CD-ROM, handles more VRAM, provides an extra drive bay (vs. 7200-7600), has a faster system bus, uses less costly IDE/UltraATA drives, and supports less expensive G3 and G4 upgrades.
Early Beige G3s could not support slave drives, as these machines (generally) had Rev. 1 motherboards and Rev. A ROMs. Later Beige G3s with Rev. 2 motherboards and Rev. B or C ROMs do support slave drives. Although the inability to support slave drives under the Classic Mac OS is inherent in the Rev. A ROM, OS X has a mechanism for supplementing the ROM code and allowing the use of slave drives.
You can use the Apple System Profiler to identify which ROM version you have:
Because of its issues, we consider the Beige G3 with a Rev. 1 motherboard a Limited Mac.
If you have an IDE hard drive larger than 8 GB, you should partition is so that the first partition is under 8 GB in size (for simplicity, we suggest 7 GB). Failure to do this could eventually result in an unbootable computer, as all system files must be within the first 8 GB of drive space. These Macs may work successfully with larger drives for a while, but once any system files goes outside of the first 8 GB of space, you’ll have nothing but problems. This applies to both Mac OS X and the Classic Mac OS.
If you have a hard drive over 8 GB in size, you must partition it or you will not be able to install Mac OS X. If you are creating the partition within OS X, it must be smaller than 7.4 GB as reported by Disk Utility (because sometimes a GB is billion bytes and sometimes it’s 1,073,741,824 bytes); we suggest simply setting it at 7 GB to avoid having to redo the whole installation if the partition ends up bigger than specified (it happens). Mac OS X must be completely within the first 8 GB of space on your hard drive or you will not be able to run OS X.
You can only boot OS X from a “master” drive in the Beige G3. This applies to hard drives and CD-ROM drives. If the CD-ROM is set to slave, you will not be able to install OS X. If the hard drive is set to slave, you will not be able to boot from it.
Non-Apple upgrades and peripherals (such as unsupported USB devices, replacement drives, and third-party memory) may cause problems when installing or booting into Mac OS X, so you may need to remove them.
Be sure to read and follow Apple’s “Read Before You Install” instructions to increase the likelihood of getting OS X installed and running on the first try.
The Beige G3 is not officially supported under OS X 10.3 Panther, but it does work with 10.2.8 Jaguar and earlier. Panther can be installed using XPostFacto 3, although built-in video is not currently supported.
New on this model, data on the RAM Disk is lost during a restart. Apple also notes that the 100 MHz Pentium PC Compatibility card is incompatible, although this seems to be due to an audio cable problem. There are also early reports that the G3 will not stay asleep.
Other compatibility issues:
Some of these issues were addressed by later versions of the Mac OS.
When buying a G4 upgrade for the Beige G3, make sure it is compatible with this model’s 66 MHz bus. Pulled G4s from Apple’s Yikes! Power Mac G4 and some OEM G4s are specifically designed for a 100 MHz bus and will not work properly in the Beige G3.
Because of the case design, be sure to specify low profile (1.15″ maximum height) DIMMs when purchasing memory for the desktop version.
The Beige G3 supports 256 MB DIMMs, but they must be built using 128 Mb chips. DIMMs built with 256 Mb chips will work, but the memory controller will only see the first 128 Mb of each chip. Compatible 256 MB DIMMs will have 16 memory chips, 8 on each side.
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Sim Tower is now available for Mac! It is time to play this nostalgic game again on your Mac. I used the free abandonware version from Abandonia.com in this Wrapper and works quite nice. The game is windowed and can be slightly adjusted in size stretching the window using the corners of the window. Hope you guys like it! Have fun, its free!
Bugs and tips (Thanks Michael Stenlund):
1. To save a game you need to overwrite one of the 3 save games (save1, save2 or save3) I put into the save folder.
2. The windows: Info Bar and Map Window can not be dragged and moved around.
3. Changing costs involves using arrow keys instead of mouse. For the player to be able to change a cost, for example, the cost to rent a hotel room, they need to click the cost and use the arrow keys before the cost will be saved by clicking OK. As the memory use intensifies for this program, after several hours of gameplay it has been noted that the using the arrow keys is not enough. The next solution is to use the arrow keys, click OK, and repeat that step up to 5x to save the new price. A quick cmd+tab to Mac OS X and tab back to Wine solves the issue instantly.
4. No full screen
SimTower allows the player to build and manage the operations of a modern, multi-use skyscraper. They must plan where to place facilities in the tower that include restaurants, condominiums, offices, and elevators. To prevent tenants from vacating their properties, the player must keep their stress low by fulfilling their demands for medical centers, parking lots, recycling facilities, clean hotel rooms with the help of housekeepers, and an efficient transportation system, which involves managing elevator traffic. SimTower, which was built around an elevator simulation program, places a strong emphasis on good elevator management.
You can find the game in the Porting Kit up here…
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