user manual

M40S

SAMSUNG HARD DISK DRIVE

Transfer rate

Data transferring speed among PC and other devices of HDD.

Tri-pad head

The existing thin film head have 2 ABS and adding one more ABS, head is designed to be

profitable to low flying height. Produced by SAE, ReadRite company.

Unformatted

capacity

HDD capacity before formatting.

USB

Universal Serial Bus. Particular chip was connected in period plate and manage keyboard,

mouse, printer,modem, this chip unify the connecting pot shape of other device period plate,

then make easy to connect and speed is 10 times higher than the current vertical connection.

VAR Value Added Re-seller. Vendor sell the existing product after making higher value added.

VCM

Voice Coil Motor: Stable and high speed motor applying speaker system, make move head in

proportion to magnetic strength. Motor used voice coil has fewer components than step motor so

it is strong for stress and abrasion and move head in high speed. They divided Rectangular and

Flat coil type of VCM according to shape and Linear and Rotary type according to rotation

method. Recently flat coil type and rotation type is general.

VCM COIL Trapezoid shaping parts connected to ARM with winding coated write in 250 times.

Winchester

Disk

Disk drive same as fixed Disk and hard Disk. Winchester was the of developing model at that

time by IBM, establish fixed magnetic disk within airtight space then head rise on connecting

disk, we apply to all kind of hard disk drive now days.

Window

Clock

Make hole so head for servo write to write locational information could enter inside of HDD.

Window

Pusk Pin

PinholetoenterHDA.

Write cache

Write cache improve system capacity, i.e. make possible to work while recording information on

disk and this is risk to loose data when off but PC use write cache within operating system like

smart drive to prevent that risk.