Gateway ALR 9250R, User Manual

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22 Gateway ALR 9250R User’s Guide
Basic architecture
The system drawer includes the following features:
•
Support for up to four Intel Pentium
®
II Xeon or Pentium
®
III
Xeon processors with dual 16 KB L1 cache integrated with an
additional 512 KB, 1 MB, or 2 MB of L2 cache
•
SMP design supporting up to four processor modules. Intel MP
Specification V1.1 and 1.4 compliant
•
32-bit PCI and ISA bus master; 64-bit data path processor and
memory data path; extended PCI-to-PCI bridge support
•
256-MB extended data output (EDO), SDRAM memory,
expandable to 4-GB, using PC100 (100MHz) non-registered, 3.3V
DIMM memory modules in the single plug-in module with 16
DIMM sockets
•
Integrated 32-bit DRAM PCI Graphics with 2-MB DRAM
•
Seven PCI expansion slots (one shared)
•
One ISA expansion slot (shared)
•
Two embedded small computer systems interface (SCSI)
controllers:
• Symbios SYM53C810AE—narrow SCSI controller providing
support for legacy 8-bit SCSI devices
• Symbios SYM53C896—dual-channel wide low voltage differential
(LVD)/single-ended (SE) (ultra2/ultra) SCSI controller driving one
SCSI backplane in the system and providing support for external
expansion
•
RAC-400 (110V or 220V AC) Power Supply Subsystem with dual
redundant, hot swappable 400 Watt power supplies
•
Intel upgradable Flash BIOS, year 2000 ready
•
N+1 cooling for system reliability
The system board is the main interface between the processor, memory, and
peripherals.
9250R.book Page 22 Friday, April 9, 1999 9:44 AM