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Overview
The Altos R300 system is a PCI bus based processor system built on an
optimized baseboard. It comes with a single socket 478 processor slot
utilizing an Intel
®
Pentium
®
4
processor or Intel
®
Celeron processor
with the Server Works GC-SL core logic chipset consisting of three
distinct components: CMIC-SL, CIOBX2 and CSB5. The mainboard also
integrates two Broadcom BCM 5703 10/100/1000 Base-T Gigabit
Ethernet controllers solution for high performance network
applications reducing power consumption.
For expandability, the system includes two 64-bit/100 MHz PCI-X bus
slots and four DIMM slots that allow memory installation up to a
maximum capacity of 4 GB.
For connectivity, the mainboard provides two USB (Universal Serial Bus)
connectors, PS/2 interfaces for both mouse and keyboard, one UART
serial port, one monitor port and two LAN ports.
For media storage, Altos R300 supports one slim-type CD-ROM drive,
one slim-type floppy disk drive and a hard disk drive.
The system is fully compatible with Windows 2000 Server, SCO
OpenServer 5.0.6, Unixware 7.1.1, NetWare 6, and Red Hat Linux 8.
Processors
The Intel
®
Pentium
®
4
processor implements a new scalable system bus
protocol. The system bus uses SST (Source-Synchronous Transfer) of
addresses and data to improve performance for servers or
workstations. With its on-die 512-KB level two (L2) cache implementing
the Advanced Transfer Cache Architecture, the Intel
®
Pentium
®
4
processor delivers higher performance than previous Pentium III
processors while maintaining binary compatibility with all previous
Intel
®
Architecture processors.
The mainboard supports FSB (front-side bus) speed up to 533 MHz.
aa r300.book Page 3 Tuesday, March 4, 2003 9:39 AM