Hitachi IC25N040ATCS04-0 - Travelstar 40GN 40GB UDMA/100 4200RPM 2MB 2.5" IDE Hard Drive Specifications page 209

Command category is referred to in section 12.0, "Command protocol" on page 101.
We recommend that the host system execute Soft reset and then retry to issue the command if the host
system time-out would occur for the device.
Note 1. For SECURITY ERASE UNIT command, the execution time is referred to 13.22, "Security Erase
Unit (F4h)" on page 150.
Note 2. For FORMAT UNIT command, the execution time is referred to 13.7, "Format Unit (F7h: Vendor
Specific)" on page 120.
Note 3. When the initial power mode at power on is Standby mode, and when the following commands
are issued by the host as First Command, the command's time-out value of the field is 10 seconds:
Security Disable Password
Security Erase Unit
Security Set Password
Security Unlock.
Hitachi Travelstar 60GH & 40GN hard disk drive specifications
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