INTERFACE COMMANDS
7 – 12
WORD CONTENT DES C RIPTION
83 Comma nd sets s upporte d. If word s 82 a nd 83 = 00 00h o r F FFFh c o mmand s e t noti f i c a tion no t suppor t ed .
15-10, as currently defined
9, 1 = A utoma ti c Acoust ic Mana gement f e ature se t supp or ted
8-0, as currently defined
84 Comma nd set exte nsions s up porte d. If wor d s 84, 85 and 86 = 0000 h or FFF Fh com mand set notifi c a tion not
supported.
15 = shall be cleared to zero
14 = shall be set to one
13-0 = reserved
85 Command set enabled. If words 84, 85 and 86 = 0000h or FFFFh command set notification not supported.
15, ob s ol ete
14, 1 = NOP command enabled
13, 1 = Read Buffer command enabled
12, 1 = Write Buffer command enabled
11, ob s ol ete
10, 1 = Host Protected Area feature set enabled
9, 1 = Device Reset command enabled
8, 1 = Service Interrupt enabled
7, 1 = Release Interrupt enabled
6, 1 = Look Ahead enabled
5, 1 = Write Cache enabled
4, 1 = Packet command feature set enabled
3, 1 = Power Mangement feature set enabled
2, 1 = Removable Media feature set enabled
1, 1 = Security Mode feature set enabled
0, 1 = SMART feature set enabled
86 Comma nd sets s upporte d. If word s 82 a nd 83 = 00 00h o r F FFFh c o mmand s e t noti f i c a tion no t suppor t ed .
15-10, as currently defined
9, 1 = A utoma ti c Acoust ic Mana gement f e ature se t supp or ted
8-0, as currently defined
88 Ultra D M A
15-14 reserved
13 1 = Ultra DMA mode 5 is selected
0 = Ultra DMA mo de 5 is not s ele ct ed
12 1 = Ultra DMA mode 4 is selected
0 = Ultra DMA mo de 4 is not s ele ct ed
11 1 = U lt r a DMA mo de 3 i s select ed
0 = Ultra DMA mo de 3 is not s ele ct ed
10 1 = Ultra DMA mode 2 is selected
0 = Ultra DMA mo de 2 is not s ele ct ed
9 1 = U lt ra DMA m o de 1 is sele c t ed
0 = Ultra DMA mo de 1 is not s ele ct ed
8 1 = U lt ra DMA m o de 0 is sele c t ed
0 = Ultra DMA mo de 0 is not s ele ct ed
7-6 reserved
5 1 = Ultra DMA mode 5 and below are supported
4 1 = Ultra DMA mode 4 and below are supported
3 1 = Ultra DMA mode 3 and below are supported
2 1 = Ultra DMA mode 2 and below are supported
1 1 = Ultra DMA mode 1 and below are supported
0 1 = Ultra DMA mode 0 is s upp or ted
127 reserved
128 Security Status
15-9 rese rved
8 Sec u rity Le ve l 0 = Hi gh, 1 = Maxi mum
7-5 reserved
4 1 = Security count expired
3 1 = Security frozen
2 1 = Security locked
1 1 = Security enabl ed
0 1 = Security supported
129-130 reserved
131 Spin at power-up, but 0 is asserted when no spin at power-up is enabled.
132-159 Maxtor-specific (not used)
160-255 reserved