This table provides the devices for each of the buses in a BladeCenter S chassis.
| Bus | Device |
|---|---|
| 0 | Advanced management module (internal) |
| 1 | Local advanced management module (internal) |
| 2 | Not used |
| 3 | Not used |
| 4 | Not used |
| 5 | External buses 6-9 (Chassis) |
| 6 | Chassis presence detection |
| 7 | Media tray |
| 8 | External buses 10-17 |
| 9 | External buses 18-25 |
| 10 | I/O module 1 |
| 11 | I/O module 2 |
| 12 | I/O module 3 (SAS) |
| 13 | I/O module 4 (SAS) |
| 14 | Power module 1 |
| 15 | Power module 2 |
| 16 | Storage module 1 |
| 17 | Not used |
| 18 | Fan 1 |
| 19 | Fan 2 |
| 20 | Fan 3 |
| 21 | Fan 4 |
| 22 | Power module 3 |
| 22 | Power module 4 |
| 24 | Storage module 2 |