Drive blank, Drive power – Compaq 4200 Family User Manual
Page 32
4–4 Enclosure 4200 Family LVD Disk Enclosures User Guide
Drive Power
Backplane overcurrent sensors monitor the +5 VDC and +12VDC drive voltages. When
there is a drive overcurrent condition the sensor disconnects the voltage from the drive.
This disables the drive, ensuring that no data is written to it. The drive is disabled until one
of the following conditions occurs:
■
The defective drive is replaced.
■
The overcurrent condition no longer exists.
Drive Blank
To maintain the proper enclosure airflow there must be a drive or a drive blank in each
drive bay. The function of the drive blank (see Figure 4–3) is to control airflow within a
bay.
Figure 4–3. Drive Blank
CXO6824A
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