COMPSCI 1TA3 Lecture Notes - Pci Express, Pci-X
21 Jan 2014
School
Department
Course
Professor
Document Summary
Buzz words: uart universal asynchronous receiver transmitter, involved with serial pots, connector male, female, orientation based on the motherboard side, bus parallel wires, each wire represents 1 bit, 64 bit bus has 64 wires. Older technologies: parallel port, 1. 2 mbps, female port (small b is bits, big b is bytes, e. g. printers and scanners, serial port, 230 kbps, male port, e. g. modem, mouse, scsi port (scuzzy, small computer system inter face, 40 mbps (320 mbps) Newer technologies: usb (universal serial bus) port, supports up to 127 devices, a device called a hub is required, usb 1. 1 (12 mbps, usb 2. 0 (380 mbps, usb 3 (5 gbps) Ieee 1394 (firewire) port: mainly used for video transfer, on both mac and windows pcs (mainly on mac, 400/800mbps, thunderbolt (intel, 20 gbps, same connector as mini display, port, supports up to 6 devices, a device called a hub or the devices daisy chained together.
