FireWire Specifications, USB Specifications

•Media, 10Base-T:Category 3 or higher UTP on 2 pairs up to 100 m

•Media, 100Base-TX:Category 5 UTP on 2 pairs up to 100 m

•Media, 1000Base-T:Category 5 and 6 UTP on 4 pairs up to 100 m

•Channel speeds: IEEE Auto Negotiation of 10Base-T, 100Base-TX, and 1000Base-T

FireWire Specifications

•Data transfer speed: 100, 200, up to 400, and up to 800 megabits per second (800 Mbps available only on back-panel FireWire ports)

•FireWire 400 port (front panel) and two FireWire 800 ports (back panel)

Note: The FireWire 800 ports on your Xserve G5 system transfer data from 800 Mbps devices much faster than was possible before. These ports have 9-pin connectors, and are compatible with original FireWire devices with 6-pin or 4-pin connectors.

With an appropriate cable, the new 9-pin ports work seamlessly with all FireWire devices. Cables are available for connecting a 9-pin port to 4-pin, 6-pin, and 9-pin devices.

•Cables with the three types of FireWire connectors

FireWire 400 (6-pin)	FireWire 400 (4-pin)	FireWire 800 (9-pin)

USB Specifications

•Support for USB 2.0

•Two external Universal Serial Bus (USB) Type A ports

•Separate 480 megabit per second (Mbps) USB channel for each port

•500 milliamperes (mA) at 5 V available per port for a total of 1 ampere (A)

Serial Port Specifications

• 9-pin D connector

1 2 3 4 5

6 7 8 9

•Pin signals

1:Received line signal detector (RLSD)

2:Received data (RD)

3:Transmitted data (TD)

Appendix A Specifications

G5 specifications

The Apple G5, introduced in June 2003, marked a significant advancement in personal computing with its innovative architecture and powerful performance. It was the first desktop computer to feature a 64-bit architecture, which allowed it to process larger amounts of data more efficiently than its 32-bit predecessors. The G5 was equipped with the IBM PowerPC 970 processor, which operated at speeds ranging from 1.6 GHz to 2.7 GHz, making it a formidable contender in the market for both personal and professional use.

One of the standout features of the G5 was its aluminum chassis, which not only gave it a sleek and modern look but also aided in heat dissipation. The innovative design allowed the G5 to maintain lower operating temperatures regardless of the loads it handled. The G5 was famous for its quiet operation, thanks to a temperature-controlled, variable-speed fan system that minimized noise during regular use while still providing adequate cooling during intensive tasks.

In terms of memory, the G5 could support up to 8 GB of RAM, utilizing DDR SDRAM technology that provided enhanced performance in multitasking and complex applications. For graphics, the G5 offered powerful options, including dedicated GPU support from NVIDIA and ATI, enabling users to perform demanding tasks such as video editing and 3D graphics rendering with ease.

The connectivity options on the G5 were well thought out, including built-in USB 2.0 and FireWire 800 ports, which supported high-speed data transfer for external devices. In addition, the G5 featured an Ethernet port for networking capabilities, making it suitable for both home and office environments.

The G5 also ran on Mac OS X, which was optimized to take full advantage of its hardware capabilities. With its Unix-based foundation, Mac OS X provided users with a stable and secure operating environment, complete with a plethora of software applications tailored for creative professionals, including those in graphic design, video editing, and audio production.

Overall, the Apple G5 was a groundbreaking machine that successfully combined advanced technology, stylish design, and robust performance, earning a dedicated following among professionals and enthusiasts alike. Its legacy continues to influence Apple's approach to desktop computing, marking a pivotal moment in the evolution of personal computers.