Technical Specifications
30
3.3.3
Fault Tolerance
Table 3-5 shows the RAID Controller SRCU42E fault tolerance features:
3.3.4
Electrical Characteristics
This section provides the power requirements for the Intel
®
RAID Controller SRCU42E.
Table 3-6 lists the maximum power requirements, which include SCSI TERMPWR, under
normal operation.
3.3.5
Thermal and Atmospheric Characteristics
The Intel
®
RAID Controller SRCU42E has the following thermal, atmospheric, and safety
characteristics.
•
Temperature range: 0
°
C to 55
°
C (dry bulb)
•
Relative humidity range: 5% to 90% noncondensing
•
Maximum dew point temperature: 32
°
C
•
Airflow must be sufficient to keep the heat sink temperature below 80
°
C
The following parameters define the storage and transit environment for the Intel
®
RAID
Controller SRCU42E:
•
Temperature range:
−
40
°
C to +105
°
C (dry bulb)
•
Relative humidity range: 5% to 90% noncondensing
Table 3-5
Fault Tolerance Features
Specification
Intel Raid Controller SRCU42E
Support for SMART
1
1. The Self Monitoring Analysis and Reporting Technology (SMART) detects up
to 70 percent of all predictable disk drive failures. SMART also monitors the
internal performance of all motors, heads, and drive electronics.
Yes
Optional Battery
Backup for Cache
Memory
Yes. Up to 72 hours of data retention for 128 Mbyte
Drive Failure
Detection
Automatic
Drive Rebuild Using
Hot Spares
Automatic
Parity Generation and
Checking
Yes
Table 3-6
Maximum Power Requirements
RAID Controller
PCI Express
+3.3 V
PCI Express
12 V
PCI PRSNT1#/
PRSNT2# Power
Over the
Operating Range
Intel
®
RAID
Controller
SRCU42E
1.5 A
1.4 A without battery
1.6 A when battery is
charging
25 W
0 °C to 55 °C
