iMac Core 2 Duo 2.0 17-inch (2006)

The iMac Core 2 Duo 2.0 was the second iMac design to use a flat-panel display. It featured a 2.0 GHz Intel Core 2 Duo processor (T7200) (with two independent processor cores on a single chip), 1 GB of RAM (667 MHz DDR2 SDRAM, PC2-5300), a 160 GB (7200 RPM) Serial ATA hard drive, a vertically-mounted slot-loading DVD+R DL SuperDrive, a built-in iSight video camera, and built-in stereo speakers. The flat panel display was a 17-inch TFT Active Matrix LCD at 1440×900 pixels.

Ports on this iMac included three USB 2.0 ports, two FireWire 400 ports, Gigabit Ethernet, and mini-DVI supporting an external display in extended desktop mode (rather than only supporting mirrored mode). This iMac also included built-in AirPort Extreme support.

Source: EveryMac.com

iMac G4/700 15-inch (flat panel, 2002)

The iMac G4/700 (Flat Panel) featured a 700 MHz PowerPC 7441 (G4) processor, 128 MB or 256 MB of RAM (PC133 SDRAM), a 40.0 GB Ultra ATA/66 hard drive (5400 RPM), either a tray-loading CD-RW drive or DVD-ROM/CD-RW Combo Drive, and a 15-inch TFT Active Matrix LCD display.

The internal components of this iMac are contained in a 10.6-inch half-sphere. Protruding from the top of the half sphere was a chrome stainless steel neck supporting the display. This design is sometimes referred to as the “sunflower iMac.” In addition to the polished stainless steel, the case and display are “ice white.” This iMac also included a matching ice white Apple Pro Keyboard and Mouse. The more expensive Combo Drive configuration of this iMac shipped with two clear spherical external Apple Pro Speakers.

This iMac shipped with MacOS X 10.1 and MacOS 9.2 installed with MacOS X selected as the default OS. 

Source: EveryMac.com