AT Command Set
WD Scorpio ML160M
28
RELEASED 1/16/09 (WD CONFIDENTIAL)
2679-701205-A00
53
Additional Words Valid
Bit 15-8: Reserved for e06144
Bit 7-3: Reserved
Bit 2: 1 = the fields reported in word 88 are valid
0 = the fields reported in word 88 are not valid
Bit 1: 1 = the fields reported in words (70:64) are valid
0 = the fields reported in words (70:64) are not
valid
Bit 0: Obsolete
0007h
54-58
Obsolete
0
59
Current Blocking Factor
Bit 15-9: Reserved
Bit 8: If set, Multiple sector setting is valid
Bit 7-0: xxh = Current setting for number of logical
sectors that shall be transferred per DRQ data
block on READ/WRITE Multiple commands
0XXXh
60-61
Total number of user addressable logical sectors
“WDC WD800BEVE-nnnnnn”
“WDC WD1200BEVE-nnnnnn”
“WDC WD1600BEVE-nnnnnn”
“WDC WD2500BEVE-nnnnnn”
“WDC WD3200BEVE-nnnnnn”
62
Obsolete
0
63
Multi-Word DMA Transfer Mode Supported
Bit 15-11: Reserved
Bit 10: If set, Multiword DMA mode 2 is selected
Bit 9: If set, Multiword DMA mode 1 is selected
Bit 8: If set, Multiword DMA mode 0 is selected
Bit 7-3: Reserved
Bit 2: If set, Multiword DMA mode 2 is supported
Bit 1: If set, Multiword DMA mode 1 is supported
Bits 0: If set, Multiword DMA mode 0 is supported
XX07h
64
Advanced PIO Modes Supported
Bit 15-8: Reserved
Bits 7-0: PIO Modes 3 and 4 supported
0003h
65
Min. Multiword DMA Transfer Cycle Time per word
Bit 15-0: Cycle time in nanoseconds
120
66
Manufacturer recommended multiword DMA transfer cycle
time
Bit 15-0: Cycle time in nanoseconds
120
67
Min. PIO Transfer Cycle Time without flow control
Bit 15-0: Cycle time in nanoseconds
120
68
Min. PIO Transfer Cycle Time with IORDY flow control
Bit 15-0: Cycle time in nanoseconds
120
69-70
Reserved
0
71-74
Reserved for the IDENTIFY PACKET DEVICE command.
0
75
Queue Depth
Bit 15-5: Reserved
Bit 4-0: Maximum queue depth - 1
0000
76-79
Reserved
0
80
Major Version Number
ATA-8 and below supported
01FEh
81
Minor Version Number
0000h
WORD
FIELD DESCRIPTION
VALUE