![](/images/new-backgrounds/1285121/28512143x1.webp)
NOTE: Before installing the Blade Link for BL870c i4 or BL890c i4, make sure the following statements are true:
•All blades have the same CPU SKUs
•All blades have the same hardware revision (only use BL860c i4, BL870c i4, or BL890c i4 Server Blades)
•All blades have CPU0 installed
•All blades have the same firmware revision set
•All blades follow the memory loading rules for your configuration, see “DIMMs” (page 44)
•The enclosure OA firmware is compatible with the blade firmware
•The Monarch blade has an ICH mezzanine card installed
•The proper Blade Link is being used for your configuration
To check on the blade hardware revisions and CPU SKUs, go to the Command Menu in the iLO 3 TUI and enter the DF command. This dumps the FRU content of the blades.
NOTE: If you will be upgrading an initial installation, see the user service guide for more information on server blade upgrades.
Blade Link bay location rules
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| Partner blade |
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| Number of |
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| number / Server |
| conjoined | Supported |
| Partner blade | blade |
Class | blades | enclosures | Blade location rules | support? | number |
BL1 | 1 (standard | c7000 | No specific bay | Yes | Bottom |
| for BL860c |
| location rules for |
| adjacent bay, paired |
| i4) |
| blades |
| with the server blade |
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| in |
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| 1&2, 3&4, 5&6, or |
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| 7&8 |
c3000
BL2 | 2 (BL870c i4) c7000 | Bays 1&2, 3&4, | No |
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| 5&6, or 7&8 with |
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| Monarch blade in |
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| odd bay |
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CAUTION: The bay
N/A
22 Installing the server blade into the enclosure