Lenovo Storage N3310 (English) User Guide and Hardware Maintenance Manual - Le - Page 122

Remove the two riser card assemblies. See Replacing the riser card assembly

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CAUTION: The heat sinks and microprocessors might be very hot. Turn off the storage product and wait several minutes to let the storage product cool before removing the storage product cover. Before you begin, print all the related instructions or ensure that you can view the PDF version on another computer for reference. Note: Depending on the model, your storage product might look slightly different from the illustrations in this topic. To replace the system board, do the following: 1. Remove all external media from the drives and turn off all attached devices and the storage product. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the storage product. 2. Prepare your storage product. See "Removing or extending the storage product from the rack cabinet" on page 43. 3. Remove the storage product cover. See "Removing the cover" on page 43. 4. Remove the cooling shroud. See "Removing the cooling shroud" on page 46. 5. Remove the system fans. See "Replacing a system fan" on page 99. 6. Record the component locations, cable connections, and cable routing in the storage product. 7. Remove the two riser card assemblies. See "Replacing the riser card assembly" on page 103. 8. Remove all memory modules. See "Removing a memory module" on page 54. 9. Remove the TSM Premium module if one is installed. See "Removing the TSM Premium module" on page 56. 10. Remove the coin-cell battery. See "Replacing the coin-cell battery" on page 105. 11. Remove the heat sinks. See "Installing or replacing a heat sink" on page 72. 108 Lenovo Storage N3310 User Guide and Hardware Maintenance Manual

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CAUTION:
Theheatsinksandmicroprocessorsmightbeveryhot.Turnoffthestorageproductandwaitseveral
minutestoletthestorageproductcoolbeforeremovingthestorageproductcover.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computer for reference.
Note:
Dependingonthemodel,yourstorageproductmightlookslightlydifferentfromtheillustrationsin
this topic.
To replace the system board, do the following:
1. Remove all external media from the drives and turn off all attached devices and the storage product.
Then,disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedto
the storage product.
2. Prepare your storage product. See “Removing or extending the storage product from the rack cabinet”
on page 43.
3. Remove the storage product cover. See “Removing the cover” on page 43.
4. Remove the cooling shroud. See “Removing the cooling shroud” on page 46.
5. Remove the system fans. See “Replacing a system fan” on page 99.
6. Record the component locations, cable connections, and cable routing in the storage product.
7. Remove the two riser card assemblies. See “Replacing the riser card assembly” on page 103.
8. Remove all memory modules. See “Removing a memory module” on page 54.
9. Remove the TSM Premium module if one is installed. See “Removing the TSM Premium module”
on page 56.
10. Remove the coin-cell battery. See “Replacing the coin-cell battery” on page 105.
11. Remove the heat sinks. See “Installing or replacing a heat sink” on page 72.
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Lenovo Storage N3310 User Guide and Hardware Maintenance Manual