Product Specification
StorFly 25
VSFA25PxxxxG-xxx
Rev: 1.0
Tel 949.888.2444
–
30052 Tomas, Rancho Santa Margarita, CA 92688 USA
–
www.virtium.com
15
Word
O/M
F/V
Value
Description
F
0 Shall be set to one to indicate a device specific Standby timer value
minimum.
51-52
X
XXXXh
Obsolete
53
M
F
F
F
X
0007h
15-3
Reserved
2
1 = the fields reported in word 88 are valid
0 = the fields reported in word 88 are not valid
1
1 = the fields reported in words 70:64 are valid
0 = the fields reported in words 70:64 are not valid
0
Obsolete
54-58
XXXXh
Obsolete
59
M
F
V
V
0101h
15-9
Reserved
8
1 = Multiple sector setting is valid
7-0
xxh = Current setting for number of sectors that shall be
transferred per interrupt on R/W Multiple command
60-61
M
F
XXXXh
Total number of user addressable sectors
62
0000h
Obsolete
63
M
F
V
V
V
F
F
F
F
0007h
15-11
Reserved
10
1=MultiwordDMAmode2isselected
0=MultiwordDMAmode2isnotselected
9 1=MultiwordDMAmode1isselected
0=MultiwordDMAmode1isnotselected
8 1=MultiwordDMAmode0isselected
0=MultiwordDMAmode0isnotselected
7-3
Reserved
2 1=MultiwordDMAmode2andbelowaresupported
1 1=MultiwordDMAmode1andbelowaresupported
0
1=MultiwordDMAmode0issupported
64
M
F
F
0003h
15-8
Reserved
7-0
Advanced PIO modes supported
65
M
F
0078h
Minimum Multiword DMA transfer cycle time per word
15-0 Cycle time in nanoseconds
66
M
F
0078h
Manufacturer
’
s recommended Multiword DMA transfer cycle time
15-0 Cycle time in nanoseconds
67
M
F
0078h
Minimum PIO transfer cycle time without flow control
15-0 Cycle time in nanoseconds
68
M
F
0078h
Minimum PIO transfer cycle time with IORDY flow control
15-0 Cycle time in nanoseconds
69-70
F
0000h
Reserved (for future command overlap and queuing)
71-74
F
4000h
Reserved for the IDENTIFY PACKET DEVICE command
75
O
F
F
001Fh
Queue depth
15-5 Reserved
4-0 Maximum queue depth
–
1
76-79
F
0306h
Reserved for Serial ATA
80
M
F
F
F
03F0h
Major version number
0000horFFFFh=device does not report version
15
Reserved
14
Reserved for ATA/ATAPI-14
13
Reserved for ATA/ATAPI-13
