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5-108 C141-E239
Table 5.34 Information to be read by IDENTIFY DEVICE command (3/3)
Word Value Description
117-118 X’ 0100’ Number of words for logical sectors
119 X’400x’ Features Implemented Word (Supported Settings) *27
120 X’400x’ Features Enable Word (Enable Settings) *28
121-127 X’0000’ Reserved
128 X’0001’ Security status *29
129-159 X’xxxx’ Undefined
160-205 X’0000’ Reserved
206 X’003D’ SCT command sets support *30
207-209 X’0000’ Reserved
210-211 X’xxxx’ (Option)
Number of verify sectors when Write Read
Verify function Mode 3 is specified *31
212-213 X’xxxx’ (Option)
Number of verify sectors when Write Read
Verify function Mode 2 is specified *32
214-254 X’0000’ Reserved
255 X’xxA5’ Check sum (The 2 complement of the lower order byte resulting from
summing bits 7 to 0 of word 0 to 254 and word 255, in byte units.)
*1 Word 0: General configuration
Bit 15: ATA device = 0, ATAPI device = 1
Bits 14-8: Undefined
Bit 7: Removable disk drive = 1
Bit 6: Fixed drive = 1
Bits 5-3: Undefined
Bit 2: IDENTIFY DEVICE Valid = 0
Bits 1-0: Reserved