Server Power
2.
Check the system power LED:
7-8
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ending with cartridge 5 (left to right, cartridges 1, 2, 3, 4, 5).
— The system power LED (1), as shown in Figure 7-5, should blink to indicate
that the system is trying to power up. If the LED does not blink when the
power button is pressed, then one of the system components is improperly
installed, or there is no main power applied to the system power supplies.
— If the system power LED is amber or if the interconnect check light is
illuminated, check the system interconnect status indicators (located on the
top of the server). For more information, refer to the “System Interconnect
Status Indicators” section of this chapter.
— The system power LED will blink every one to two seconds between a
power-down and power-up condition or immediately after applying power to
the system. This action indicates that the Power/On Standby switch has been
pressed and that the system will power up momentarily.
3.
Check the power supplies on the back of the server. The following settings
indicate that the power switch is on and the power supply is in a “power-on
delay” mode:
— Top LED begins blinking (green).
— Bottom LED is on (solid green).
If the power supply top LED does not begin blinking (the server will not power
up), refer to the “System Interconnect Status Indicators” section in this chapter.
When the top LED illuminates solid green, listen for the fans to start.
4.
Check the hard drive and CD-ROM drive LEDs on the front of the server. The
hard drive and CD-ROM drive LEDs should blink. If the LEDs do not light,
verify that the hard drives are fully installed in the system and the array bypass is
initialized.
5.
Check the memory cartridge LEDs. The memory cartridge attention and power
LEDs will illuminate solid and then go out in sequence beginning with memory
cartridge 1, and ending with memory cartridge 5 (left to right, cartridges 1, 2, 3,
4, 5).
6.
Check the DIMM status LEDs. The DIMM status LEDs for each cartridge will
illuminate solid and then go out in sequence beginning with cartridge 1, and
