Owner's manual

503/503-P1 Series Industrial Grade SSD Product Manual v2.0Cactus Technologies

5.1.7. Idle, Idle Immediate-97H, E3H, 95H, E1H

These commands cause the drive to go into idle mode.

5.1.8. Initialize Drive Parameters-91H

The Initialize Drive Parameters command causes the drive to set BSY, enter the Idle (Read) mode,

clear BSY and generate an interrupt. This command enables the host to set the number of sectors

per track and the number of heads per cylinder. Only the Sector Count and the Drive/Drive/Head

registers are used by this command. This command is obsolete in ATA5 but is supported for

backwards compatibility.

Word

Address

Default

Value

Total

Bytes

Data Field Type Information

163 XXXXH 2 CFA advanced modes: supported and enabled bits

164 XXXXH 2

CFA advanced modes: 80ns I/O and Memory supported,

I/O and Memory UDMA modes supported and selected

165-168 0000H 8 Reserved

169 0001H 2 Trim bit in Data Set Management supported

170-216 0000H 94 Reserved

217 0001H 2 Solid State Device (non-rotating media)

218-254 0000H 74 Reserved

255 XXA5H 2 Integrity word

5.1.9. Media Lock/Unlock-DEH, DFH

These commands are NOP.

5.1.10. Read Buer-E4H

The Read Buer command enables the host to read the current contents of the SSD’s sector buer.

This command has the same protocol as the Read Sector(s) command.

5.1.11. Read DMA, Read DMA Ext-C8H, C9H, 25H

These commands read a number of sectors, as specied in the Sector Count register, in DMA mode

5.1.12. Read Log Ext-2FH

This command reads data from the general purpose log; the data read is described in the SMART log

section.

5.1.13. Read Multiple, Read Multiple Ext-C4H, 29H

The Read Multiple command performs similarly to the Read Sectors command. Interrupts are not

generated on every sector, but on the transfer of a block, which contains the number of sectors

dened by a Set Multiple, command.