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DESCRIPTION
SpinPoint V40
Product Manual
4
CHAPTER 2 DESCRIPTION
This chapter summarizes general functions and key features of the Spinpoint V40 drive, as well as the
standards and regulations they meet.
2.1 Introduction
The Samsung SpinPoint V40 3.5 inch disk drives are high capacity, high performance random access storage
devices, which use non-removable 3.5-inch disks as storage media. Each disk incorporates thin film metallic
media technology for enhanced performance and reliability. And for each disk surface there is a
corresponding movable head actuator assembly to randomly access the data tracks and write or read the user
data. The formatted capacities of the SpinPoint V40 family are 20.0,30.06,40.0,60.0,60.06 and 80.0 gigabytes
of storage. Samsung defines a gigabyte (GB) as one billion bytes.
The SpinPoint V40 drives include the AT controller embedded in the disk drive PCB electronics. The drive's
electrical interface is compatible with all mandatory, optional and vendor-specific commands within the ATA
specification.
Drive size conforms to the industry standard 3.5-inch form factor. The interface connectors are the standard
40-pin for AT Interface and 4-pin for DC power supplies.
The SpinPoint V40 incorporates Advanced GMR (Giant Magneto Resistive) head and Noise Predictive
PRML (Partial Response Maximum Likelihood) signal processing technologies. These advanced
technologies allow for an areal density of over 29.18 gigabits per square inch and storage capacity of over
40.06 gigabytes per disk.
The heads, disk(s), and actuator housing are environmentally sealed within an aluminum-alloy base and
cover. As the disks spin, air circulates within this base and cover, commonly referred to as the head and disk
assembly (HDA), through a non-replaceable absolute filter ensuring a contamination free environment for the
heads and disks throughout the life of the drive.
2.2 Key Features
Key features of the SpinPoint V40 hard disk drives include:
• Formatted capacities are 20.0,30.06, 40.0, 60.0,60.06 and 80.0 Gbytes
• Low-profile, 1-inch height form factor
• 8.9 msec average seek time
• High accuracy rotary voice coil actuator with embedded sector servo
• Ultra ATA33/66/100 interface
• ATA standard PIO Mode 4/DMA Mode 2/Ultra DMA Mode 4 & 5(UDMA 66/100) support
• Supports both CHS and LBA Addressing modes
• Supports all logical geometries as programmed by the host