3
AC 97 Audio
Codec
The AC 97 Audio codec is compliant with the AC
97 2.2 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
P4VXMS has three 32-bit PCI slots, an AGP slot,
a CNR (Communications and Networking Riser)
slot, and an onboard PCI LAN interface (optional).
The P4VXMS PCI slots are capable of 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 port
•
One parallel port
•
One MIDI/game port
•
Six USB ports (two backpanel ports, onboard
USB headers providing four extra ports)
•
Audio jacks for microphone, line-in and line-
out
•
One onboard LAN interface connector (op-
tional)
BIOS
Firmware
This mainboard uses Award BIOS that enables
users to configure many system features including
the following:
•
Power management
•
CPU and memory timing
•
Modem wake up alarms
The firmware can also be used to set parameters
for different processor clock speeds.