1-2
User’s Guide
1.2
Major Components
The system board has the following major components:
•
Four DRAM banks composed of eight 72-pin SIMM sockets that
support single- and double-density 60 ns SIMMs
•
CPU board slot
•
Four PCI, two EISA bus slots, and one EISA/PCI shared slot
•
256-KB Flash ROM for system BIOS
•
System clock/calendar plus 8 KB extended CMOS RAM with
battery backup
•
50-pin Fast SCSI-II and 68-pin Wide SCSI interfaces
•
Two 24-pin RDM interfaces
•
IDE hard disk and diskette drive interfaces
•
Onboard VRAM and VRAM sockets for video memory upgrade
•
Power connector for 350-watt or 420-watt switching power supply
•
Super I/O, SCSI, VGA, memory, and Advanced Server
Management (ASM) controller chipsets
•
External ports:
•
Two 9-pin serial ports
•
PS/2-compatible keyboard port (optional AT-keyboard port)
•
PS/2-compatible mouse port
•
Parallel
port
•
Video
port
