Apple 661-3877 | 1.83GHz CPU Logic Board (Motherboard) for iMac

Here are the technical specifications for the Apple 1.83GHz CPU Logic Board (Motherboard) for iMac:

1. Processor: 1.83GHz Intel Core Duo
2. Bus speed: 667MHz
3. Graphics: Intel GMA 950 graphics processor with 64MB of DDR2 SDRAM shared with main memory
4. RAM: 512MB or 1GB (two SO-DIMM slots) of 667MHz DDR2 SDRAM, expandable to 2GB
5. Hard drive: 80GB or 160GB Serial ATA hard disk drive
6. Optical drive: Slot-loading 8x SuperDrive with 4x double-layer burning (DVD±R DL/DVD±RW/CD-RW)
7. Audio: Built-in stereo speakers, internal microphone, optical digital audio output/headphone out, optical digital audio input/audio line in
8. Networking: Built-in 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector), built-in AirPort Extreme Wi-Fi (802.11b/g/n), built-in Bluetooth 2.0+EDR (Enhanced Data Rate)
9. Ports: Three USB 2.0 ports, two FireWire 400 ports, mini-DVI output port with support for DVI, VGA, S-video, and composite video connections (requires adapters, sold separately)
10. Operating system: Mac OS X v10.4 Tiger (can be upgraded to later versions)
11. Dimensions: 17 inches (diagonal) TFT active-matrix LCD, 1440 x 900 resolution, millions of colors
12. Power: Built-in 180W power supply

Helpful notes:
1. This logic board is compatible with the 17-inch iMac model released in 2006.
2. Upgrading the RAM to the maximum 2GB can significantly improve performance.
3. This logic board is not compatible with newer iMac models.