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Processor
The mainboard uses a micro PGA 478-pin socket that has the
following features:
•
Supports 400/533 MHz frontside bus (FSB)
•
Supports "Hyper-Threading" technology CPU
•
Accommodates Pentium 4 processors at 1.5G/1.6G/1.7G...
2.5G and above
"Hyper-Threading" technology enables the operating system
into thinking it's hooked up to two processors, allowing two
threads to be run in parallel, both on separate 'logical' proces-
sors within the same physical processor.
Chipset
The SiS645DX Northbridge and SiS962/SiS962L Southbridge
chipsets are based on an innovative and scalable architecture
with proven reliability and performance.
•
Support Intel Pentium 4 series CPU with data transfer
rate of 400MHz and Over Clocking up to 533MHz
•
Support 12 outstanding transactions
•
Supports DDR333/266/200 SDRAM or PC133/100
SDRAM
•
AGP v2.0 Compliant
•
Supports Graphic Window Size from 4MBytes to
256Mbytes
•
Perform 533MB/s bandwidth in 66MHz x 4 mode
•
Serves Isochronous downstream transfer responsive to
the memory read requests originated from USB or au-
dio/modem controllers
•
PCI 2.2 specification compliance
•
Supports PIO mode 0,1,2,3,4 and Multiword DMA mode
0,1,2
•
Supports Ultra DMA 33/66/100/133
•
Three independent OHCI USB 1.1 host controllers and
one EHCI USB 2.0 host controller, support up to six ports
•
Compliant with IEEE 1394-1995 and 1394a-2000
•
System wake-up events include: Power button, keyboard
password/hot key, RTC alarm, Modem ring-in, LAN, AC
97 wake-up, USB wake up and 1394 wake up
Additional key features of the mainboard include support for
six USB ports, an AC' 97 link for audio and modem, hardware
monitoring, and ACPI/OnNow power management.
Note: The SiS962L Southbridge chipset does not sup-
Memory
The mainboard supports DDR 266/333 SDRAM. It accommo-
dates two unbuffered 2.5V 184-pin slots. Each slot supports up
to 1 GB with a total maximum capacity of 2 GB.
USB
The USB 2.0 Controller is compliant with Universal Serial Bus
Specification Revision 2.0.
The USB 2.0 supports data transfer rates up to 480MB/sec for
high-speed devices and specifies a microframe that will be
th
1/8
of a 1msec frame. This allows the USB 2.0 devices to
have small buffers even at high data rates.
The USB 1.1 connectors and other full speed cables can sup-
port the IEEE1394A function.
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