System-Board Connectors - IBM JS21 - BladeCenter - 8844 Installation And User Manual

Note: The power-control button has effect only if local power control is enabled for
Power-on LED: This green LED indicates the power status of the blade server in
the following manner:
v Flashing rapidly: The service processor (BMC) on the blade server is
v Flashing slowly: The blade server has power but is not turned on.
v Lit continuously: The blade server has power and is turned on.

System-board connectors

The following illustration shows the connectors on the system board in the blade
server.
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BladeCenter JS21 Type 8844: Installation and User's Guide
the blade server. Local power control is enabled and disabled through the
management-module Web interface.
communicating with the management module.
I/O expansion option (J18)
I/O expansion option (J22)
Blade expansion option (J200)
Hard disk drive 1 (J501)
Hard disk drive 0 (J500)
DIMM 1 (J400)
DIMM 2 (J401)
DIMM 3 (J402)
DIMM 4 (J403)
Control panel (J4)
Battery (BH1)