Chapter 3 Specifications 13
Appendix A Data Retention Time
The data retention time is a function of:
• the capacity of the battery pack, and
• the load of the backed up circuitry.
Capacity and Load Factors The data retention time as a function of the battery pack
capacity and load is listed below.
The load is the DRAM SIMM and the PERC Controller.
Battery Pack DRAM Size Data Retention Time
BAT-NIMH-4.8-01 1 Bank of 1 MBx36 (12 chips)
See the Technical Update shipped
with the PERC or Dell Server.
2 Banks of 1 MBx36 (12 chips)
BAT-NIMH-4.8-02 1 Bank of 1 MBx36 (12 chips)
2 Banks of 1 MBx36 (12 chips)
The information in this table is not complete. See the “Getting
Help” Chapter in the Installation and Troubleshooting Guide
that accompanied your Dell computer for additional information
about technical support.
