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IDE Solid State Disk
Download Microcode command.
Bit 1 of word 86 shall be set to zero; the device does not support the Read DMA Queued and Write DMA Queued
commands.
If bit 2 of word 86 shall be set to one, the device supports the CFA feature set.
If bit 3 of word 86 is set to one, the Advanced Power Management feature set has been enabled via the Set
Features command.
Bit 4 of word 86 shall be set to zero; the device does not support the Removable Media Status feature set.
Word 88: Ultra DMA Modes Supported and Selected
Word 88 identifies the Ultra DMA transfer modes supported by the device and indicates the mode that is
currently selected. Only one DMA mode shall be selected at any given time. If an Ultra DMA mode is
selected, then no Multiword DMA mode shall be selected. If a Multiword DMA mode is selected, then no Ultra
DMA mode shall be selected. Support of this word is mandatory if Ultra DMA is supported.
Bits 15-13: Reserved
Bit 12: 1 = Ultra DMA mode 4 is selected 0 = Ultra DMA mode 4 is not selected
Bit 11: 1 = Ultra DMA mode 3 is selected 0 = Ultra DMA mode 3 is not selected
Bit 10: 1 = Ultra DMA mode 2 is selected 0 = Ultra DMA mode 2 is not selected
Bit 9: 1 = Ultra DMA mode 1 is selected 0 = Ultra DMA mode 1 is not selected
Bit 8: 1 = Ultra DMA mode 0 is selected 0 = Ultra DMA mode 0 is not selected
Bits 7-5: Reserved
Bit 4: 1 = Ultra DMA mode 4 and below are supported. Bits 0-3 shall be set to 1.
Bit 3: 1 = Ultra DMA mode 3 and below are supported, Bits 0-2 shall be set to 1.
Bit 2: 1 = Ultra DMA mode 2 and below are supported. Bits 0-1 shall be set to 1.
Bit 1: 1 = Ultra DMA mode 1 and below are supported. Bit 0 shall be set to 1.
Bit 0: 1 = Ultra DMA mode 0 is supported
Word 89: Time required for Security erase unit completion
Word 89 specifies the time required for the Security Erase Unit command to complete. This command shall
be supported on devices that support security.
Value
0
1-254
255
Word 90: Time required for Enhanced security erase unit completion
Word 90 specifies the time required for the Enhanced Security Erase Unit command to complete. This
command shall be supported on devices that support security.
Value
0
1-254
255
Word 91: Advanced power management level value
Bits 7-0 of word 91 contain the current Advanced Power Management level setting.
Word 128: Security Status
Bit 8: Security Level If set to 1, indicates that security mode is enabled and the security level is maximum. If set
to 0 and security mode is enabled, indicates that the security level is high.
Bit 5: Enhanced security erase unit feature supported If set to 1, indicates that the Enhanced security erase
unit feature set is supported.
Bit 4: Expire If set to 1, indicates that the security count has expired and Security Unlock and Security Erase
Unit are command aborted until a power-on reset or hard reset.
Bit 3: Freeze
If set to 1, indicates that the security is Frozen.
Bit 2: Lock
If set to 1, indicates that the security is locked.
Rev. A.6
Time
Value not specified
(Value * 2) minutes
>508 minutes
Time
Value not specified
(Value * 2) minutes
>508 minutes
16/32
Nov. 2008
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