Samsung WA31273A Technical Manual page 71

Table 6-6. Identify Drive Information (continued)
Word
23-26 Firmware revision (8 ASCII characters)
27-46 Model number (40 ASCII characters)
47 15-8 vendor specific
7-0 00h = READ/WRITE MULTIPLE commands not implemented
01h-FEh = Maximum number of sectors that can be transferred
per interrupt per interrupt on READ MULTIPLE and WRITE
MULTIPLE commands
48 Reserved
49 Capabilities
15-14 Reserved
13 1=Standby time values as specified in this standard are
0=Standby timer values are vendor specific
12 Reserved (for advanced PIO mode support)
11 1=IORDY supported
0=IORDY may be supported
10 1=IORDY can be disabled
9 1=LBA supported
8 1=DMA supported
7-0 Vendor specific
50 Reserved
51 15-8 PIO data transfer cycle timing mode
7-0 Vendor specific
52 15-8 DMA data transfer cycle timing mode
7-0 Vendor specific
53 15-2 Reserved
1 1 = the fields reported in words 64-70 are valid
0 = the fields reported in words 64-70 are not valid
0 1 = the fields reported in words 54-58 are valid
0 = the fields reported in words 54-58 may be valid
54 Number of current logical cylinders
WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 6-27
Description
supported
AT INTERFACE and ATA COMMANDS