Specifications

￿￿￿219'4The Maxtor Atlas 10K III hard disk drive operates from two supply voltages:

+12 V

/#:614￿#6.#5￿￿￿±10%-￿+++￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿)$

+5 V

±5%

 

Allowable ripple and noise for each voltage:

 

 

 

+12 V

 

250 mVp-p

 

 

 

+5 V

 

800 mV p-p (100 Hz to 8 KHz)

 

 

250 mV p-p (8 KHz to 20MHz)

 

 

 

￿￿￿￿￿2QYGT￿5GSWGPEKPIYou may apply the power in any order or manner, or open either the power or power return line with no loss of data or damage to the disk drive. However, data may be lost in the sector being written at the time of power loss. The drive can withstand transient voltages of +10% to –100% from nominal while powering up or down.

￿￿￿￿￿2QYGT￿4GUGVWhen ￿powering.KOKVUup, the drive remains reset (inactive) until both rising Voltage thresholds reset limits are exceeded for 100 ms. When powering down, the drive resets immediately when either supply voltage drops below the falling voltage threshold.

Power Reset Limits1

 

 

 

 

 

 

 

 

&%￿81+5.6#)'

6*4'5*1V

.=&

 

 

.175V typical

 

 

4.0V minimum

 

 

4.35V maximum

 

 

 

 

+12

Table4-4

V

=

 

9.5VThresholdtypical

 

9.0V minimum

 

10.0V maximum

 

 

 

 

 

 

Maxtor Atlas 10K III 4-5

Page 57
Image 57
Maxtor 10K III manual #614#6.#5±10%-+++$, Power Reset Limits1