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D e v i c e / H e a d R e g i s t e r
³
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7
³
6
³
5
³
4
³
3
³
2
³
1
³
0
³
³
1
³
L
³
1
³
D R V
³
H S 3
³
H S 2
³
H S 1
³
H S 0
³
ÀÄÄÄÄÄÁÄÄÄÄÄÁÄÄÄÄÄÁÄÄÄÄÄÁÄÄÄÄÄÁÄÄÄÄÄÁÄÄÄÄÄÁÄÄÄÄÄÙ
Figure 32. Device/Head Register
This register contains the device and head numbers.
Bit Definitions
L
Binary encoded address mode select. When L = 0 , addressing is by CHS mode. When
L = 1 , addressing is by LBA mode.
DRV
Device.
When D R V = 0 , device 0 (master) is selected.
When D R V = 1 , device 1
(slave) is selected.
HS3,HS2,HS1,HS0
Head Select. These four bits indicate binary encoded address of the head . HS0 is the
least significant bit.
At command completion, these bits are updated to reflect the
currently selected head.
The head number may be from zero to the number of heads minus one.
In LBA mode, HS3 through HS0 contain bits 24-27 of the LBA. At command com-
pletion, these bits are updated to reflect the current LBA bits 24-27.
9.9
Error Register
ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
³
E r r o r R e g i s t e r
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7
³
6
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5
³
4
³
3
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2
³
1
³
0
³
³
B B K
³
U N C
³
0
³
I D N F
³
0
³
A B R T
³
T K 0 N F
³
A M N F
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Figure 33. Error Register
This register contains status from the last command executed by the device, or a diagnostic code.
At the completion of any command except Execute Device Diagnostic, the contents of this register are valid
always even if E R R = 0 in the Status Register.
Following a power on, a reset, or completion of an Execute Device Diagnostic command, this register con-
tains a diagnostic code. See Figure 37 on page 57 for the definition.
Bit Definitions
BBK
Bad Block. B B K = 1 indicates a bad block mark was detected in the requested sec-
tor's ID field.
UNC
Uncorrectable Data Error.
U N C = 1 indicates an uncorrectable data error has been
encountered.
IDNF (IDN)
ID Not Found. I D N = 1 indicates the requested sector's ID field could not be found.
ABRT (ABT)
Aborted Command.
A B T = 1 indicates the requested command has been aborted
due to a device status error or an invalid parameter in an output register.
52
O E M Specifications of DTNA-2xxxx 2.5 inch H D D
Summary of Contents for DTNA-22160 - Travelstar 2.1 GB Hard Drive
Page 2: ......
Page 11: ...Figure 2 Breathing hole caution of DTNA 21800 22160 General 3...
Page 12: ...4 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 14: ...6 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 15: ...Part 1 Functional Specification Copyright IBM Corp 1997 7...
Page 16: ...8 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 26: ...18 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 40: ...32 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 51: ...Part 2 ATA Interface Specification Copyright IBM Corp 1997 43...
Page 52: ...44 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 54: ...46 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 56: ...48 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 82: ...74 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 88: ...80 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 163: ...Command Descriptions 155...
Page 164: ...156 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...
Page 167: ...Timings 159...
Page 168: ...160 OEM Specifications of DTNA 2xxxx 2 5 inch HDD...