IBM BladeCenter 8677 - Manual (Page 24)

Major components of the BladeCenter Type 8677 unit
The following illustration shows the locations of major components in your
BladeCenter unit.
Note: The illustrations in this document might differ slightly from your hardware.
Blade server
Media
tray Blade server with
storage-expansion
unit
Filler blade
Front bezel
I/O module
Blower module
Power module
Management module
USB port
CD-ROM
drive
Diskette
drive
Attention: To maintain proper system cooling, each module bay must contain
either a module or a filler module; each blade bay must contain either a blade
server or a filler blade.
10 BladeCenter Type 8677: Installation and User’s Guide