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AC’ 97 Audio
Codec
The AC’ 97 Audio codec is compliant with the AC’
97 2.1 specification, and supports 18-bit ADC
(Analog Digital Converter) and DAC (Digital Ana-
log Converter) resolution as well as 18-bit stereo
full-duplex codec with independent and variable
sampling rates. Further features include support
for four analog line-level stereo inputs.
Expansion
Options
The mainboard comes with the following expan-
sion options:
• Five 32-bit PCI slots
• A 4xAGP slot
• A Communications Network Riser (CNR) slot
(AC97 interface only)
• Two IDE channels and a floppy disk drive
interface
The K7S6A supports Ultra DMA bus mastering
with transfer rates of 33/66/100 MB/sec.
Integrated I/O
The mainboard has a full set of I/O ports and con-
nectors:
• Two PS/2 ports for mouse and keyboard
• Two serial ports
• One parallel port
• One MIDI/game port
• Two USB ports
• Audio jacks for microphone, line-in and line-
out
BIOS
Firmware
This mainboard uses Award BIOS that enables
users to configure many system features including
the following:
• Power management
• Wake-up alarms
• CPU parameters
• CPU and memory timing
The firmware can also be used to set parameters
for different processor clock speeds.
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