Table 57. Fan zones, fan number, and the components cooled by the fans
Fan zone
Fan-pack number Components cooled by the fans
1 9 and 10
• Hard disk drives
2 1 and 2
• Compute book 1
• DIMMs connected to compute
book 1
• Voltage regulator for compute
book 1
• The ML2 (Ethernet) adapters (PCIe
slot 10)
• PCIe slot 9
3 3 and 4
• Compute book 2
• DIMMs connected to compute
book 2
• Voltage regulator for compute
book 2
• PCIe slots 7 and 8
4 5 and 6
• Compute book 3
• DIMMs connected to compute
book 3
• Voltage regular for compute book
3
• PCIe slots 4, 5, and 6
5 7 and 8
• Compute book 4
• DIMMs connected to compute
book 4
• Voltage regular for compute book
4
• PCIe slots 1, 2, and 3
Note: To ensure proper operation, replace a failed hot-swap fan within 30 seconds.
To install or replace a hot-swap fan pack, complete the following steps:
Note: These procedures for replacing a hot-swap fan assembly apply to both the standard I/O book and the
compute books.
1. Make sure that you are installing the appropriate fan-pack for the I/O book.
Note: The fan packs have text printed on the front of the fan above the fan handle that indicates which
book the fan-pack should be installed in. For example, the fan-pack for a compute books might have the
text “Top - Compute Book Only”. The fan-pack for a standard I/O book might have the text “Top -
Standard I/O Book Only”. The fan packs are not interchangeable.
2. Touch the static-protective package that contains the new fan to any unpainted metal surface on the
server. Then, remove the new fan from the package.
3. Align the fan with the fan bay and slide it in the bay until it is seated firmly. Rotate the fan handle up to
secure the fan in the slot.
Chapter 6. Removing and replacing components 261
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