Chapter 3
The system boards consist of the main board, the memory board, the SCSI
backplane board, and the LCD display module.
system boards in detail.
3.1
Main Board
The main board has the following major components:
•
Four Slot 2 CPU connectors that support one, two, three, or four Intel
Pentium II Xeon processors:
•
512-KB Flash ROM for system BIOS
•
Supports two PCI buses through one PXB (PCI Expander Bridge)
•
One 68-pin Ultra2 Wide SCSI connector for each SCSI channel
•
One 50-pin SCSI connector
•
Server management functions
•
PCI SVGA on-board with 2MB VGA RAM
•
Enhanced IDE hard disk and diskette drive interfaces
•
Seven PCI slots with one ISA and one PCI-/ISA-shared
•
One dual channel PCI Ultra/Wide and LVD (Ultra2) SCSI controller
System Boards
This chapter discusses the
Chapter 3 - System Boards
3-1