Compaq AlphaServer ES45 3B Especificaciones descargar pdf (Pagina 151)

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Configuring and Installing Components 4-41

4.13.1 Disk Drive Status LEDs

Three LEDs are located on the front of the disk drive carrier: a Drive

Activity LED, an On-Line LED, and a Drive Failure LED. Figure 4–20

shows the location of the LEDs and Table 4–1 explains the status LED

displays.

Figure 4–20 Location of Drive Status LEDs

Drive Activ-

ity LED

(Green)

Depending on the host con-

troller, this LED can either

flash by itself or in unison

with the On-Line LED when

there is SCSI bus activity.

This LED is off when there

is no bus activity.

On-Line LED

(Green)

When the +5 VDC is avail-

ableandthediskisproperly

installed, this LED is on.

Otherwise, it is off. Depend-

ing on the host controller,

this LED can either flash by

itself or in unison with the

Drive Activity LED when

there is SCSI bus activity.

MR0045

LEDs

Drive Failure

LED

(Amber)

Depending on the host con-

troller, this LED can flash

when an error condition is

detected by the controller.

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