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Tech Specs

350 MHz G3 iMacs

LEM Staff - 2000.07.20

350 MHz iMacA Limited Mac

Apple had two 350 MHz iMacs. The first, available only in blueberry, was introduced in October 1999. It has 64 MB of RAM (expandable to 1 GB), Rage 128 VR graphics with 8 MB of memory, a 6 GB IDE hard drive, CD-ROM, and the option of supporting an AirPort 802.11b WiFi card. It shipped with Mac OS 8.6 and does not include FireWire (something both 350 MHz iMacs lack).

The second 350 MHz iMac, available only in indigo, was introduced in July 2000. Improvements over the blueberry model include a 7 GB hard drive and Rage Pro 128 graphics (still with 8 MB of VRAM). The Mid 2000 iMacs require Mac OS 9.0.4 or later.

Classic Mac OS

  • If you are running Mac OS 9.1 or later, iMac Firmware Update 4.1.9 should be installed. If you are using Mac OS X, you must boot from a Mac OS 9.1-9.2.2 writeable partition (not a CD or network disk) prior to updating. You cannot update to OS X 10.3 or later unless you first install Firmware Update 4.1.9.
  • For more information on firmware updates, see iMac: When to Install Available Updaters.

Mac OS X

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.

Be sure to read and follow Apple’s “Read Before You Install” install instructions to increase the likelihood of getting OS X installed and running on the first try.

Details

  • CPU: 350 MHz PPC 750
  • Bus: 100 MHz
  • RAM: 64 MB, expandable to 1 GB using two PC100 SDRAM (3.3 V, 64-bit, 168-pin, 100 MHz)
  • VRAM: 8 MB SGRAM
  • Video: supports resolutions of 640 x 480, 800 x 600, and 1024 x 768
  • Display: 15″ CRT (13.8″ viewable) multiscan to 1024 x 768
  • L2 cache: 512 KB @ 140 MHz (5:2) backside cache
  • Hard drive: 6/7 GB EIDE drive. Maximum IDE drive size is 128 GB without third-party support. See How Big a Hard Drive Can I Put in My iMac, eMac, Power Mac, PowerBook, or iBook? for your options.
  • CD-ROM: 24x
  • SCSI: none
  • PCI slots: none
  • USB: 2 separate USB 1.1 ports and controllers
  • FireWire 400: none
  • Modem: built-in v.90 56k modem
  • Ethernet: 10/100Base-T
  • WiFi: 802.11b AirPort Card, requires AirPort Card Adapter
  • Microphone: internal
  • Power supply: 150W
  • PRAM battery: 3.6V half-AA
  • Height: 15.0 in/38.1 cm
  • Width: 15.0 in/38.1 cm
  • Depth: 17.1 in/43.5 cm
  • Weight: 34.7 lb/15.8 kg
  • family number: M5521

Online Resources

Cautions

  • You cannot plug the iPod shuffle directly into the iMac’s USB port – it will not fit. It will not charge if plugged into a keyboard USB port or an unpowered USB hub. To charge it while using it with your iMac, you must us a USB extension cable, powered USB hub, iPod shuffle dock, or a USB power adapter.
  • Update Firmware Before Installing Jaguar!, Geoff Duncan, TidBITS, 2002.10.28. If your firmware isn’t at version 4.1.9, you need to boot into OS 9.1 and install it before attempting to install Jaguar (OS X 10.3) on your slot-loading CD-ROM or DVD iMac.
  • You must have the keyboard plugged directly into an iMac USB port to boot with the power key; it will not work if the keyboard is attached to a hub.
  • You cannot boot the iMac from an external USB drive.
  • The iMac loads the MacOS Toolbox into RAM, unlike other Macs which use it from ROM. You lose the use of 3 MB of memory but gain faster performance.

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