Intel® RAID Controller SRCSAS144E Hardware Guide 16
Fault Tolerance

Table4 shows the RAID Controller SRCSAS144E fault tolerance features.

Electrical Characteristics

This section provides the power requirements for the RAID Controller SRCSAS144Es.

Table5 lists the maximum power requirements.

Table 4. Fault Tolerance Features

Specification Intel® RAID Controller SRCSAS144E
Self Monitoring
Analysis and Reporting
Technology (SMART)
support
Detects up to 70% of all predictable disk drive failures and monitors the
internal performance of all motors, heads, and drive electronics.
Optional Battery
Backup
Intel® RAID Smart Battery cache backup. Up to 64 hours of data
retention. Trickle / fast charging. Charge indicator.
Drive Replacement Auto detection of hard drive failure; hot-plug, hot-swap. User set rebuild
rate.
Drive Rebuild Using
Hot Spares
Automatic at drive failure; dedicated per array; global per array; auto-
resume of initialization or rebuild on reboot
Error Checking and
Indication
Parity generation and checking, automatic consistency checking; patrol
reads; activity and fault LEDs
Power Conservation Staggered spin-up, lower power requirements.

Table 5. Electrical Characteristics

PCI / PCI Express*
/ Express +12 V PCI / +5.0 V
PCI / PCI
Express /
Express
+3.3 V
PCI PRSNT1# / 2#
Power
Operating
Range
Temperature
115 mA; used only if
battery is present
1.5 A
(PCI only)
N/A 15.6 W
18.3 W with battery
charging
0° C to 45° C