CS 125

Bussesand

Pointers

Oct 13, 2009

Tom Rule, the MaconMacGuy

No, not this kind!

CS 125 Busses

• Bus: Connection point to add stuff

• USB–1.1 vs. 2.0

• Firewire–400 vs. 800

• SATA – “Serial ATA”. Cheaper, faster than ATA/IDE for hard drives

• PATA (aka IDE/ATA) – internal drives

CS 125 Characteristics

• Hot Swappable• Easy Setup and Use• Newer **IS** backwards

compatible with older–Firewire 800 can use Firewire 400 gizmo

with an adaptor

• Don’t forget to “eject”!–Prevent headaches and data loss

CS 125 USB

• Up to 127 Devices

• 1.1: 12 Mbits/sec

• 2.0:480 Mbits/sec

Male Type A Male Type B

Female Type AMicro Type

CS 125 FireWire

• FW400:400 Mbits/sec

• FW800:

• 800 Mbits/sec

FW400

FW m

ini

CS 125 SATA

• 150 MB/sec & 300 MB/sec

• eSATA = external

• Primarily used for Hard Drives

CS 125 More SATA CablesIf Motherboard has a SATA port, and use this gizmo to make them externally accessible

CS 125 Hmmm……..

• Pop HD into port like Atari game cart

• Also has card reader, USB ports

• Connects to CPU via eSATA

• Handy if have hard drives sitting around

CS 125 External Enclosures

• Box that connects to machine

• YOU add a hard drive to it

• Pay attention to the connection types

• SATA – IDE/ATA – USB – FIREWIRE

• INTERNAL vs. EXTERNAL

CS 125 Examples

• External Enclosures

• Hard Drives

• Add-on cards

CS 125

Which to get?

CS 125 Which to get?

• Get what your computer has

• Can add additional busses w/ expansion cards–Have to know what type of slots your

machine has: PCI, PCI-X, PCI-E, etc.

CS 125 Pointers

i.e. Pointing Devices

CS 125 Mice

• Makes a difference – especially for lefties

CS 125

CS 125 Trackpad

• Multitouch?

DefinitionExampleVideo – scroll down

Youtube

CS 125 Trackballs

Look for•Connection type•DPI•customization

CS 125 Ergonomic from Maltron

CS 125 Pointy Stick

CS 125 Eye Tracker