Intel raid controller srcsas144e User Manual

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Intel® RAID Controller SRCSAS144E Hardware Guide
16
Fault Tolerance
Table 4 shows the RAID Controller SRCSAS144E fault tolerance features.
Electrical Characteristics
This section provides the power requirements for the RAID Controller SRCSAS144Es. 
Table 5 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