24. Removing the Appliance and Fan Cover...................................................................................................25
25. Removing Air Baffles.................................................................................................................................26
26. Replacing Air Baffles.................................................................................................................................27
27. Loosen fan cover thumbscrew..................................................................................................................27
28. Remove fan cover......................................................................................................................................28
29. Install fan cover........................................................................................................................................ 28
30. Secure fan cover........................................................................................................................................28
31. Replacing PSU........................................................................................................................................... 29
32. Replacing a drive.......................................................................................................................................30
33. Installing a drive in the front panel...........................................................................................................30
34. Removing a fan..........................................................................................................................................31
35. 1U fan enumeration.................................................................................................................................. 31
36. Install a fan................................................................................................................................................31
37. Removing a riser card............................................................................................................................... 32
38. Replacing a riser card................................................................................................................................32
39. Installing a riser card................................................................................................................................ 33
40. Installing a riser card to the chassis.........................................................................................................33
41. Releasing CMOS battery from motherboard............................................................................................ 34
42. Removing the battery................................................................................................................................34
43. Replacing CMOS battery........................................................................................................................... 35
44. Checking CMOS battery orientation......................................................................................................... 35
vi