HP Workstation xw3100 HP Workstation xw3100 - Service and Technical Reference - Page 143

SMART Drives, Drive Capacities, Additional Drive Application Notes

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Ultra ATA Drive Guidelines and Features Additional Drive Application Notes ■ When replacing a hard drive, the replacement should be of the same type (Ultra ATA -33, -66, or -100) as that being removed to retain the same level of performance. ■ Your system supports a maximum of three drives. A second hard drive can be install in your system; however, you MUST remove the diskette drive to create an available drive bay. ■ Some graphics cards (such as the nVIDIA Quadro4 400 NVS) will require the removal of the diskette drive (or hard drive, if installed) in bay 1. See Chapter 5 for Drive Positions. SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for HP workstations have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and failure indication parameters such as reallocated sector count, spin retry count, and calibration retry count. If the drive determines that a failure is imminent, it generates a fault alert. Drive Capacities The combination of the file system and the operating system used in the workstation determines the maximum usable size of a drive partition. A drive partition is the largest segment of a drive that may be properly accessed by the operating system. A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space. The table that follows identifies the capabilities and restrictions imposed on the workstation by the combinations of BIOS, file and operating systems. Microsoft to Drive Manufacturer Size Conversion Table* Drive Size as Identified by Microsoft Operating System Drive Size as Identified by Drive Manufacturers 40 GB 42.9 GB 80 GB 85.9 GB 160 GB 171.7 GB *Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2. File System FAT 32 NTFS Drive/Partition Capacity Limits Controller Type ATA ATA Operating System Windows 2000/ XP Windows 2000/XP Drive Size 128 GB 128 GB Max Partition Size 32 GB 128 GB Max # of Partitions 4 1 Service and Technical Reference Guide, xw3100 G-5

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Service and Technical Reference Guide, xw3100
G–5
Ultra ATA Drive Guidelines and Features
Additional Drive Application Notes
■
When replacing a hard drive, the replacement should be of the same type (Ultra ATA -33,
-66, or -100) as that being removed to retain the same level of performance.
■
Your system supports a maximum of three drives. A second hard drive can be install in your
system; however, you MUST remove the diskette drive to create an available drive bay.
■
Some graphics cards (such as the nVIDIA Quadro4 400 NVS) will require the removal of the
diskette drive (or hard drive, if installed) in bay 1. See Chapter 5 for Drive Positions.
SMART Drives
The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for HP
workstations have built-in drive failure prediction that warns the user or network administrator of
an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and
failure indication parameters such as reallocated sector count, spin retry count, and calibration
retry count. If the drive determines that a failure is imminent, it generates a fault alert.
Drive Capacities
The combination of the file system and the operating system used in the workstation determines
the maximum usable size of a drive partition. A drive partition is the largest segment of a drive
that may be properly accessed by the operating system. A single hard drive may therefore be
subdivided into a number of unique drive partitions in order to make use of all of its space.
The table that follows identifies the capabilities and restrictions imposed on the workstation by
the combinations of BIOS, file and operating systems.
Microsoft to Drive Manufacturer Size Conversion Table*
Drive Size as Identified by Microsoft
Operating System
Drive Size as Identified by
Drive Manufacturers
40 GB
42.9 GB
80 GB
85.9 GB
160 GB
171.7 GB
*Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by
Microsoft are bytes to the base 2.
Drive/Partition Capacity Limits
File
System
Controller
Type
Operating System
Drive
Size
Max
Partition
Size
Max # of
Partitions
FAT 32
ATA
Windows 2000/ XP
128 GB
32 GB
4
NTFS
ATA
Windows 2000/XP
128 GB
128 GB
1