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System Overview 1-13
Shared ISA/PCI Connector Slot
Real-Time Clock/Calendar
The real-time clock provides system clock/calendar information stored in a non-volatile
memory (NVRAM). The real-time clock battery provides power backup for the real-
time clock.
BIOS
The BIOS and Setup Utility are located in the Flash EPROM on the system board and
include support for system setup and legacy device configuration. A number of security,
reliability, and management features also have been incorporated to meet vital server
needs.
IDE Controller
The system includes a single channel enhanced IDE 32 bit interface controller for
intelligent disk drives with disk controller electronics onboard. The controller has a
connector located on the system board that supports a master and a slave device. The
IDE controller provides support for the internally mounted CD-ROM.
The device controls:
!
PIO and DMA transfer modes
!
Mode 4 timings
!
Transfer rates up to 33 MB/s
!
Buffering for PCI/IDE burst transfers
!
Master/slave IDE mode
!
Up to two devices.
Summary of Contents for Express5800/120Mc2 series
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Page 50: ...2 18 Setting Up the System ...
Page 106: ...4 34 Upgrading Your System Plugging in the AC Power Cords ...
Page 154: ...B 22 Management Workstation Application ...
Page 155: ...C System Status Hardware Support Information ...
Page 166: ...10 Glossary ...
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