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Chapter 1 Overview
First read this chapter if you use the N8103-93 Additional DAC Battery (SATA) (called BBU
below) for the first time.
This chapter describes the characteristics and configuration of the BBU and outlines the
additional battery installation job.
1. Characteristics of BBU
The BBU is an additional battery exclusively used for the N8103-89 Disk Array Controller
(SATA).
Connecting the BBU to the disk array controller can prevent data from being lost due to an
unforeseen accident including instantaneous power interruption (in the WriteBack mode).
Backup of data in SDRAMs on disk array controller for up to 60 hours
Improvement of reliability in WriteBack mode
Use of rechargeable lithium ion battery
Summary of Contents for N8103-93
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