
PRELIMINARY/CONFIDENTIAL
38
MACH2 2.5-Inch Serial ATA Solid State Drive
Identify Device Command Output
Table 15 lists the output values that are returned when the Identify Device (ECh) command is issued.
X = Variable values dependent on the specific controller/flash memory configuration.
Table 15.
ECh Command Output
Word
Data
Description
Notes
0
0x044h
Fixed Media Device
Value fixed by CFA.
1
XXXXH
Default Cylinders
Value dependent on SSD model capacity.
3
00XXH
Default Heads
Value dependent on SSD model capacity.
6
XXXXH
Default Sectors/Track
Value dependent on SSD model capacity.
7-8
XXXXH
Number Sectors/Card
Word 7 = MSW, Word 8 LSW
10-19
XXXXH
Serial Number
Serial Number (ASCII String)
22
0004H
ECC Count
Number of ECC bytes passed on Read/Write Long
commands.
23-26
20070831
Firmware Revision
ASCII String
27-46
STEC M2
Model Number
ASCII String
47
0x8001h
Max. Num. Sectors
Maximum of 1 sector on Read/Write Multiple command.
49
0x0B00
Capabilities
Standby Timer defined by Vendor; IORDY operation
supported; IORDY may not be disabled; LBA and DMA
mode support.
53
0x007h
Translation Parameters
Words 54 - 58 are valid; Words 64 - 74 are valid; Word 88
is valid.
54
XXXXH
Current Cylinders
Number of current cylinders.
55
XXXXH
Current Heads
Number of current heads.
56
XXXXH
Current Sector/Track
Number of current sectors per track.
57-58
XXXXH
Current Capacity
Word 57 = LSW of the current capacity in sectors; Word 58
= MSW of the current capacity in sectors.
59
010XH
Multiple Sector Setting
Current setting for Block Count = 1 for R/W Multiple
commands.
61-62
XXXXH
LBA Sectors Addressable
Total number of addressable sectors in LBA mode.
63
0x0007
Multi-Word DMA
MDMA Transfer Modes 0, 1 and 3 supported.
64
0x0003
PIO Transfer Modes
PIO Modes 3 and 4 supported.
82
0x7009
Command Sets
SMART Feature Set supported; WRITE BUFFER and
READ BUFFER commands supported; NOP command
supported.
83
0x4008
APM Feature Set Support
Advanced Power Management feature set supported.
84
0x4002
SMART Self Test
SMART Self Test supported.
85
0x0001
Command Sets
SMART Feature Set enabled; Removable Media Feature
disabled; Packet Command Set disabled; Release
Interrupt disabled; Service Interrupt disabled; Device
Reset Command is not supported.
electronic components distributor