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Thank you for choosing the L4S8A mainboard. The L4S8A mainboard is a
high–performance, enhanced function mainboard that supports Socket 478
Pentium 4 processors with system speeds up to 533MHz for high-end bus i-
ness or personal desktop markets.
The mainboard incorporates the SiS648 Northbridge and SiS963 Southbridge
chipsets. The SiS648 Northbridge chipset provides an 8XAGP and 12-level
In-Order-Queue to support maximum outstanding transactions on host up to
12. The memory controller offers high-bandwidth up to 2.7GB/s under
DDR333 in order to sustain the bandwidth demand from the host processor,
as well as t h e multi I/O masters and AGP masters. While the SiS963
Southbridge integrates the Universal Serial Bus 2.0 Host Controllers, 1394a
and Audio Controller with AC 97 interface.
The L4S8A is designed to give customers an advanced, multimedia solution.
It provides advanced features such as 2 USB ports and an optional LAN con-
nector. There is also an EPP/ECP parallel port and a 16550 high-speed serial
I/O port. A range of audio ports is supplied, comprising line-in, line-out, micro-
phone-in, CD-in and game port. . One AGP slot, five PCI local bus slots and
one communication and networking riser (CNR) slot provide expandability for
add-on peripheral cards.
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Compare the mainboard's package contents with the following checklist:
Standard Items
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One mainboard
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One diskette drive ribbon cable
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One IDE drive ribbon cable
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One auto-install software support CD
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One I/O panel
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One cooling fan retention module
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This user's manual
Introducing the Mainboard
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