Hitachi Compute Rack 220S, Руководство по замене

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Introduction 1-7
Hitachi Compute Rack 220S CRU Replacement Guide

POST code
POST code of the system BIOS is displayed.
All codes have two digits, and each digit is a four-bit data in binary.
Upper digit is displayed with the four LEDs from 1 to 4, and lower one
displayed on the LEDs 5 to 8.
If Power On Self Test (POST) is successful, LEDs 1, 3, 5, 6, and 7 are turned
on, and the POST code is "AE" in this case.
Figure1-4:POSTcode indicate
The MAINTENANCE LEDs keep the data of the POST code and the
event code unless the AC power source is turned off. When the
power of the system unit is turned on, the display gets cleared.

Power consumption
The rough estimate of the current power consumption of the system unit (W)
is displayed.
The numbers of turned-on MAINTENANCE LEDs indicate the power
consumption, as follows:
Table 1-6: Power consumption indicate
MAINTENANCE LED Power consumption
All Off Less than 200 W
Only 1 is On 200 W or more and less than 250 W
1 and 2 are On 250 W or more and less than 300 W
1 through 3 are On 300 W or more and less than 350 W
1 through 4 are On 350 W or more and less than 400 W
1 through 5 are On 400 W or more and less than 450 W
1 through 6 are On 450 W or more and less than 500 W
1 through 7 are On 500 W or more and less than 550 W
1 through 8 are On 550 W or more