Hard Drive Specifications
Page 37
at each octave band. Specification 29 5.6.2 Discrete Tone Penalty Discrete tone penalties are added to -noise ratio taken in accordance with following formula only when determining compliance. Lwt(spec)=Lw+0.1*Pt+0.3 < 4.0 (Bels) where: Lw Pt dLt : A-weighted sound power level. : Value of discrete tone penalty = dLt-6.0 (dBA) : Tone-to the A-weighted sound power (Lw) with ISO 7779.
at each octave band. Specification 29 5.6.2 Discrete Tone Penalty Discrete tone penalties are added to -noise ratio taken in accordance with following formula only when determining compliance. Lwt(spec)=Lw+0.1*Pt+0.3 < 4.0 (Bels) where: Lw Pt dLt : A-weighted sound power level. : Value of discrete tone penalty = dLt-6.0 (dBA) : Tone-to the A-weighted sound power (Lw) with ISO 7779.
Hard Drive Specifications
Page 44
...it is used for DMA data transfers between host and drive, shall be unable to 5 Volt in the H D D through 15K resistor(tolerance of logic signal below the spec. This signal is a 3-state line with -DMACK. Drive 0 may pull down LPUL (Least Positive Up Level...reset or -HRESET, drive 1 shall negate -PDIAG within 1 msec to indicate to avoid wrong insertion by drive 1 or after negation of DTNA-2xxxx 2.5 inch H D D This signal shall be asserted by drive 1 to indicate to drive 0 that it is not present, drive 0 may assert -DASP to + 1 0 0 % ) . If drive 1 is busy)....
...it is used for DMA data transfers between host and drive, shall be unable to 5 Volt in the H D D through 15K resistor(tolerance of logic signal below the spec. This signal is a 3-state line with -DMACK. Drive 0 may pull down LPUL (Least Positive Up Level...reset or -HRESET, drive 1 shall negate -PDIAG within 1 msec to indicate to avoid wrong insertion by drive 1 or after negation of DTNA-2xxxx 2.5 inch H D D This signal shall be asserted by drive 1 to indicate to drive 0 that it is not present, drive 0 may assert -DASP to + 1 0 0 % ) . If drive 1 is busy)....