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Ultra ATA Integrity
Monitoring
(CRC Checking)
A feature of SATA and SCSI, Cyclic Redundancy Checking provides data transfer verification and
proactive notification of hard drive data transmission problems with recommendations for
enhancing system performance. It detects all the following errors' types:
single-bit errors
double-bit errors
an odd number of errors
error bursts up to 32-bits long
Drive Self Tests (DPS)
Drive Protection System (Adaptec and LSI SCSI controllers do not offer DPS)
A diagnostic hard drive self test. It scans critical physical components and every sector of
the hard drive for physical faults and then reports any faults to the user.
Running independently of the operating system, it can be accessed through the computer's
setup procedure. It produces an evaluation on whether the hard drive is the source of the
problem and needs to be replaced.
The system expands on the Self-Monitoring, Analysis, and Reporting Technology (SMART), a
continuously running systems diagnostic that alerts the user to certain types of failures
DPS Access through F10 Setup during Boot (F10 diagnostic access not available with SCSI
drives)
SMART Technology
(Self-Monitoring, Analysis
and Reporting
Technology)
Allows hard drives to monitor their own health and to raise flags if imminent failures were predicted
Predicts failures before they occur. Tracks fault prediction and failure indication parameters such
as re-allocated sector count, spin retry count, calibration retry count.
By avoiding actual hard drive failures, SMART hard drives act as "insurance" against unplanned
user downtime and potential data loss from hard drive failure.
SMART I – Drive Failure Prediction
SMART II – Off-Line Data Collection
SMART III – Off-Line Read Scanning with Defect Reallocation
Security Features
Padlock support
Padlock loop in rear of chassis. Locks side cover and secures chassis from theft. (0.22" diameter)
Cable Lock Support
Kensington lock slot in rear of chassis. Locks side cover and secures chassis from theft. (3mm x
7mm opening)
Universal chassis clamp
lock support
Threaded feature in rear of chassis. Locks side cover and locks cables to chassis. Secures
chassis from theft and allows multiple units to be chained together when used with optional cable.
Solenoid lock and hood
sensor
Yes
Serial, Parallel, USB
Enable/Disable
Enable or disable serial, parallel or USB ports and hide them form the operating system
Removable Media Write/
Boot Control
Prevents the computer from being booted from removable media on supported devices (and can
disable writes to media)
Power-On Password
Prevents an unauthorized person from booting up the computer
Setup Password
Prevents an unauthorized person from changing the system configuration
QuickSpecs
HP xw4300 Workstation
Technical Specifications
DA - 12260 North America — Version 22 — May 25, 2007
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