22
2 System Features
Mass Storage Devices
Mass Storage Devices
Hard Disk Drives
A 3.5-inch hard disk drive is supplied on an internal shelf in some models.
These hard drives can be provided with the PC. To see which other hard disk
drives can be purchased as accessories for the VL400, refer to
www.hp.com/
go/pcaccessories
.
To find out about Ultra-ATA DMA/ 66 hard disk drive technology, refer to the
Technical Reference Manual - Vectra Technology.
Floppy Disk Drives
All models are supplied with a 3.5-inch floppy disk drive.
CD-ROM and DVD Drives
Modelsmaybefittedwitha48✕ Max IDE CD-ROM drive. It can play standard
CD-ROM discs, conforming to optical and mechanical standards as specified
in the Red and Yellow Book. This drive can also be purchased as an accessory.
Refer to
www.hp.com/go/pcaccessories.
To find out about CD-ROM and DVD drive technology, refer to Technical
Reference Manual - Vectra Technology.
10 GB
Ultra-ATA 66
15 GB
Ultra-ATA 66
30 GB
Ultra-ATA 66
9.1 GB
Ultra-SCSI
Typical Seek Times (ms)
Average 9.5 8.5 <9.0 6.8
Track-to-Track 2.0 0.8 <1.0 0.9
Full Stroke 18.0 15.0 <20.0 15.0
Rotational Speed (RPM) 5 400 7 200 7 200 7 200
Internal Data Rate (Mb/s) Up to 194 235 191 to 298 Up to 257
Buffer Size (KB) Ultra ATA 512 512 2048 2048