Operator Control Panel And Drives; Control Panel Assembly - Compaq AlphaServer DS20 Service Manual

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Operator Control Panel and Drives

The control panel includes the On/Off, Halt, and Reset buttons and an LCD
display.
Figure 1-3 Control Panel Assembly
CD-ROM
Floppy
OCP Display
1 2
3
PKW-0501-97
OCP display. The OCP display is a 16-character LCD that indicates status during
power-up and self-test. While the operating system is running, the LCD displays the
system type. Its controller is on the XBUS.
CD-ROM. The CD-ROM drive is used to load software, firmware, and updates. Its
controller is on PCI1 on the PCI backplane on the system board.
Floppy disk. The floppy drive is used to load software and firmware updates. The
floppy controller is on the XBUS on the PCI backplane on the system board.
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