Table 68. Identify Device Information. (Part 2 Of 7) - Hitachi 7K100 - Travelstar - Hard Drive Specifications

Table 68: Identify device information. (Part 2 of 7)
Word Content
48 0000H
49 0F00H
50 4000H
51 0200H
52 0200H
53 0007H
54 XXXXH
55 XXXXH
56 XXXXH
57-58 XXXXH
59 0XXXH
60-61 (Note 1)
62 0000H
63 0X07H
* indicates the use of those parameters that are vendor specific.
Note 1. See Table 74: "Number of cylinders/heads/sectors" on page 115.
* Capable of double word I/O, '0000'= cannot perform
Capabilities, bit assignments:
15-14(=0) Reserved
13(=0) Standby timer value are vendor specific
12(=0) Reserved
11(=1) IORDY Supported
10(=1) IORDY can be disabled
9(=1) Reserved
8(=0) Reserved
* 7-0(=0) Reserved
Capabilities
15(=0) 0=the contents of word 50 are valid
14(=1) 1=the contents of word 50 are valid
13- 1(=0) Reserved
0(=0) 1=the device has a minimum Standby timer value that
is device specific
* PIO data transfer cycle timing mode
* DMA data transfer cycle timing mode Refer Word 62 and 63
Validity flag of the word
15- 3(=0) Reserved
2(=1) 1 Word 88 is Valid
1(=1) 1=Word 64-70 are Valid
0(=1) 1=Word 54-58 are Valid
Number of current cylinders
Number of current heads
Number of current sectors per track
Current capacity in sectors
Word 57 specifies the low word of the capacity
Current Multiple setting. Bit assignments:
15- 9(=0) Reserved
8 1= Multiple Sector Setting is Valid
7- 0 xxh = Current setting for number of sectors
Total Number of User Addressable Sectors
Word 60 specifies the low word of the number
FFFFFFFh=the 48-bit native max address is greater than
268,435,455
* Reserved
Multiword DMA Transfer Capability
15-11 (=0) Reserved
10 1=Multiword DMA mode 2 is selected
9 1=Multiword DMA mode 1 is selected
8 1=Multiword DMA mode 0 is selected
7- 3 (=0) Reserved
2 1=Multiword DMA mode 2 is supported
1 1=Multiword DMA mode 1 is supported
0 1=Multiword DMA mode 0 is supported
Travelstar 7K100 Hard Disk Drive Specification
Description
109