IBM IC25N020ATDA04 - Travelstar 20 GB Hard Drive - Figure 86. Identify Device Information (3 of 7)

Command set supported
15(=0) Reserved
14(=1) 1=NOP command supported
13(=1) 1=READ BUFFER command supported
12(=1) 1=WRITE BUFFER command supported
11(=0) Reserved
10(=1) 1=Host Protected Area Feature Set Supported
9(=0) 1=DEVICE RESET command supported
8(=0) 1=SERVICE interrupt supported
7(=0) 1=release interrupt supported
6(=1) 1=look-ahead supported
5(=1) 1=write cache supported
4(=0) 1=supported PACKET Command Feature Set
3(=1) 1=supported Power Management Feature Set
2(=0) 1=supported Removable Media Feature Set
1(=1) 1=supported Security Feature Set
0(=1) 1=supported S.M.A.R.T. Feature Set
746BH82
Minor version number
ATA/ATAPI-5 T13 1321D Revision 1
0015H81
Major version number
ATA-1, ATA-2, ATA-3 and ATA/ATAPI-4, ATA/ATAPI-5
003CH80
Reserved 0000H69-79
Minimum PIO Transfer Cycle Time With IORDY Flow Control
15- 0(=78) Cycle time in nanoseconds (120ns,16.6MB/s)
0078H68
Minimum PIO Transfer Cycle Time Without Flow Control
15- 0(=F0) Cycle time in nanoseconds (240ns, 8.3MB/s)
00F0H67
Manufacturer’s Recommended Multiword DMA Transfer Cycle
Time
15- 0(=78) Cycle time in nanoseconds(120ns, 16.6MB/s)
0078H66
ns, 16.6MB/s)0078H65
Flow Control PIO Transfer Modes Supported
15- 8(=0) Reserved
7- 0(=3) Advanced PIO Transfer Modes Supported
‘11’ = PIO Mode 3 and 4 Supported
0003H64
DescriptionContentWord
Figure 86. Identify device information (3 of 7)
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
128