Introduction
K8N4/K8N4U
2
Form factor
ATX form factor of 305mm x 244mm
Microprocessor
Supports AMD Socket 939 CPU
Supports HyperTransport
TM
technology
System memory
Supports DDR266/333/400 SDRAM
Supports 128Mb/256Mb/512Mb/1Gb technology up to 4GB
Provides four 184-pin DDR SDRAM interfaces
PCI Express x16 Graphics
PCI Express 1.0a specification compliant
Supports one PCI Express x16 port
PCI Express x1 Ports(optional)
PCI Express 1.0a specification compliant
Supports two PCI Express x1 ports
Onboard IDE
Supports Independent timing of up to 4 drives
Supports Ultra ATA 33/66/100/133
Two fast IDE interfaces supporting four IDE devices
Onboard LAN(optional)
10/100(available on -L mainboard)/1000(available on -K mainboard) Mbit/sec Ethernet
support
10/100(available on -L mainboard)/1000M(available on -K mainboard) LAN interface
built-in on board
USB 2.0
USB 2.0 compliant, operates at 480Mbps, about 40X times faster than USB 1.1
Provides 10 USB 2.0 ports
Onboard I/O
One floppy port supporting up to one 3.5
’
’
floppy drives with 1.44M format
One high speed 16550 compatible COM with 16 byte send/receive FIFO
One parallel port supports SPP/EPP/ECP mode
Supports PS/2 mouse and PS/2 keyboard
Provides one IrDA connector
All I/O ports can be enabled/disabled in the BIOS setup
Onboard Audio
AC’
97 2.3 Specification Compliant
Provides onboard Line-in Jack, Microphone-in Jack and Speaker-out Jack Connector
6-channel Onboard Audio(available on -6A mainboard)
Provides Front left&right, Rear left&right/Line-in Jack and Center&Woofer/Microphone-
in Jack,which can be specified by software
8-channel Onboard Audio(available on -8A mainboard)
Provides side speaker out, front speaker out, mic in, rear speaker out, center&subwoofer
speaker out
