Lenovo ThinkServer RD240 Hardware Maintenance Manual - Page 78

To install the battery card assembly onto the RAID controller, do the following

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e. The temperature of the battery card assembly is generally 15-20°C (59-68°F) higher than the ambient temperature during fast charge. Therefore, to complete a fast charge cycle, the ambient temperature should be lower than 45°C (113°F). If the ambient temperature exceeds 45°C (113°F), the fast charge cycle will terminate prematurely, thus preventing the battery card assembly from reaching a fully charged state. Attention: • When attaching the battery card assembly to a PCI Express slot, center the Phillips-head screw driver to avoid damaging the screw head and do not over-tighten the screws as you might damage the battery card assembly. • The battery in the battery card assembly must recharge for at least six hours during fast charge under normal operating conditions. To install the battery card assembly onto the RAID controller, do the following: a. Note the top view and bottom view of the battery card assembly. Then, insert the battery pack harness connector into the J4 battery pack harness connector on the backside of the battery card assembly. For more information, refer to the following illustrations. Figure 40. Top view of the battery card assembly 1 Battery pack harness Figure 41. Bottom view of the battery card assembly 1 J4 battery pack harness connector 2 J5 board-to-board connector 3 J2 connector b. With the front side up, place the RAID controller on a flat, clean, static-free surface. 66 ThinkServer RD240 Hardware Maintenance Manual

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e.
The temperature of the battery card assembly is generally 15-20°C (59-68°F) higher than the
ambient temperature during fast charge. Therefore, to complete a fast charge cycle, the ambient
temperature should be lower than 45°C (113°F). If the ambient temperature exceeds 45°C (113°F),
the fast charge cycle will terminate prematurely, thus preventing the battery card assembly from
reaching a fully charged state.
Attention:
•
When attaching the battery card assembly to a PCI Express slot, center the Phillips-head screw
driver to avoid damaging the screw head and do not over-tighten the screws as you might damage
the battery card assembly.
•
The battery in the battery card assembly must recharge for at least six hours during fast charge
under normal operating conditions.
To install the battery card assembly onto the RAID controller, do the following:
a.
Note the top view and bottom view of the battery card assembly. Then, insert the battery pack
harness connector into the J4 battery pack harness connector on the backside of the battery card
assembly. For more information, refer to the following illustrations.
Figure 40. Top view of the battery card assembly
1
Battery pack harness
Figure 41. Bottom view of the battery card assembly
1
J4 battery pack harness connector
2
J5 board-to-board connector
3
J2 connector
b. With the front side up, place the RAID controller on a flat, clean, static-free surface.
66
ThinkServer RD240 Hardware Maintenance Manual