Word
Description
Value
10–19
Serial number: (20 ASCII
characters, 0000
H
= not
specified)
Drive-unique value
expressed as ASCII
characters
20
Controller type = dual-ported
multisector buffer with
caching
0003
H
21
Buffer size (number of 512-
byte sectors)
00F0
H
(240
D
)
22
Number of ECC bytes
available (R/W Long)
0010
H
(16
D
)
23–26
Firmware revision (8 ASCII
character string).
Drive-dependent string
27–46
Drive model number (40
ASCII characters, padded to
end of string)
Drive-dependent string:
ST3
xxxA
47
Maximum sectors per
interrupt on read/write
multiple
0010
H
48
Double word I/O (not
supported)
0000
H
49
DMA data transfer and
IORDY (supported)
0B00
H
50
ATA reserved
0000
H
51
PIO data transfer cycle
timing mode
0200
H
52
Single-word DMA transfer
cycle timing mode
0200
H
53
Bit 0 = 1 indicates the fields
reported in words 54–58 are
valid;
Bit 1 = 1 indicates the fields
reported in words 64–8 are
valid.
0003
H
54
Number of cylinders (current
emulation mode)
See Section 1.
55
Number of heads (current
emulation mode)
See Section 1.
56
Number of sectors per track
(current emulation mode)
See Section 1.
continued from previous page
24
Medalist XE Family Product Manual, Rev. B
Содержание ST3660A - Medalist 545 MB Hard Drive
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