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Configuring the System Board
NCR S26 Hot Plug Server User Guide 2-11
• One shared slot (EISA or PCI)
• 256 KB flash ROM for easy system BIOS upgrade
• System clock/calendar plus 8 KB extended CMOS RAM with battery
backup
• Onboard AIC-7880 chip that supports one SCSI-2 port
• 50-pin Fast SCSI-2 and 68-pin Wide SCSI interfaces
• Remote Diagnostic Management (RDM) module
• I/O interfaces for one video slot, two serial ports, one parallel port,
peripheral drives, IDE drives, and one PS/2 keyboard and mouse
• Power connector for 420-watt switching power supply
The figure below shows the location of the major components on the system
board.
Figure 2-7. System Board Layout
EISA slots
Buzzer
Flash ROM BIOS
Narrow SCSI connector
Real-time clock
Wide SCSI connector
PCI slots
CPU board slot
Keyboard port
Parallel port
Video port
Video upgrade sockets
Video RAM
Fan connector 3 (FA3)
Fan connector 2 (FA2)
Fan connector 1 (FA1)
RDM Module
Mouse port
COM1
COM2