8193C KEYBOARD USER'S GUIDE
Product Overview
This document describes the functional specification of standard
USB
keyboard and standard
USB
Hub
keyboard. Its function is fully compatible with the
U
niversal
S
erial
B
us Specification Revision
1.1 as well as the
H
uman
I
nterface
D
evices (HID) class specification 1.1.
USB Interface Features:
Ø
USB is a "must-have" feature in the current market.
Ø
The instant way to expand your PC. You never to open your PC and you don't need to worry
about add-in cards, DIP switch setting or IRQs.
Ø
"Hot-swapping" feature: You don't even need to shut down and restart your PC to attach or
remove a peripheral. Just plug it in and go!
The ACPI Power Management Keys and Their Functions
System requirement:
Ø
Microsoft
Windows
98 Windows® ME, Windows® 2000 or Windows® XP operating system.
Ø
The system supporting ACPI or APMII.
Ø
ATX motherboard and ATX power supply.
The functions of the power management are specified and performed by Windows
98 operating
system, no vendor-specified driver is needed to use them, but the Windows
98 operating system is
necessary. There could be one or two or three ACPI power management keys on the keyboard, those
functions are as follows.
Power off
key:
Power down the system.
Sleep
key:
Put the system to sleep .
Wake up
key:
Wake up or powers up the system.
Power
key:
(Single key with three functions above)
Ø
Press this key and hold over four seconds to power down the system.
Ø
Press this key and release it within four seconds to put the system to sleep.
Ø
When the system is asleep or powered down, press this key and release it within four
seconds to wake up or power up the system.
USB Cable, Plug Contact Numbering & Ports
USB keyboard has a cable for sub-channel device and a series A plug, which fully comply with the
USB
specification 1.1.
Contact
Number
Signal Name
Comment
1
VCC
Cable power
2
- Data
3
+ Data
4
Ground
Cable ground
U
U
S
S
B
B
p
p
l
l
u
u
g
g
