Hitachi 7K400 Specifications - Page 228
Device Attribute Thresholds data structure
![]() |
UPC - 000053412935
View all Hitachi 7K400 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 228 highlights
2 Abort/restart off-line by host bit 0 The device will suspend off-line data collection activity after an interrupting command and resume it after a vendor specific event 1 The device will abort off-line data collection activity upon receipt of a new command 3 Off-line Read Scanning implemented bit 0 The device does not support Off-line Read Scanning 1 The device supports Off-line Read Scanning 4 Self-test implemented bit 0 Self-test routing is not implemented 1 Self-test routine is implemented 5 Reserved (0) 6 Selective self-test implemented bit 0 Selective self-test routine is not implemented 7 Reserved (0) 12.46.2.7 S.M.A.R.T. Capability This word of bit flags describes the S.M.A.R.T. capabilities of the device. The device will return 03h indicating that the device will save its Attribute Values prior to going into a power saving mode and supports the S.M.A.R.T. ENABLE/DISABLE ATTRIBUTE AUTOSAVE command. Bit Definition 0 Pre-power mode attribute saving capability. If bit = 1, the device will save its Attribute Values prior to going into a power saving mode (Standby or Sleep mode). 1 Attribute Autosave capability. If bit = 1, the device supports the S.M.A.R.T. ENABLE/ DISABLE ATTRIBUTE AUTOSAVE command. 2-15 Reserved (0) 12.46.2.8 Error logging capability Bit Definition 7-1 Reserved (0) 0 The Error Logging support bit. If bit = 1, the device supports the Error Logging 12.46.2.9 Self-test failure check point This byte indicates the section of self-test where the device detected a failure. 12.46.2.10 Self-test completion time These bytes are the minimum time in minutes to complete the self-test. 12.46.2.11 Data Structure Checksum The Data Structure Checksum is the 2's complement of the result of a simple 8-bit addition of the first 511 bytes in the data structure. 12.46.3 Device Attribute Thresholds data structure The following defines the 512 bytes that make up the Attribute Threshold information. This data structure is accessed by the host in its entirety using the S.M.A.R.T. Read Attribute Thresholds. All multibyte fields shown in Deskstar 7K400 Hard Disk Drive Specification 214
![](/manual_guide/products/hitachi-7k400-specifications-548f643/228.png)