Hitachi DK23EB - Travelstar Series 20 GB Hard Drive Support and Manuals
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Popular Hitachi DK23EB Manual Pages
User Manual - Page 9
GMR Head - Buffer: 2MB - Average Access Time 13 ms - Rotary Actuator - Low Power Consumption: 0.85W(...in CHS mode is 8,455MB.
1.0 General
1.1 Introduction
The DK23EB series disk drives reach high capacities (40GB for Setup]
Table 1.1 Identify Device information (Addressing)
Model
Word 1
Word 3
Word 6
Number of SPT
DK23EB-40
16383 (*1)
16
63
(3FFFh)
(0010h)
(3Fh)
*1....
User Manual - Page 13
...
Sleep/Standby -
Start up *5
0.9 A(4.5W)
- Idle *6
0.17 A(0.85W)
- 3.0 Specification Summary
3.1 Principal Specifications
Table 3.1 Principal Specifications
Specifications
No. Item
DK23EB-40
1 Capacity per drive (Formatted)
40.007
Capacity per sector
512
Disks
2
Heads
4
Cylinders
32,081
2 Seek time Average
13 *1
(Nominal Maximum
24 *1
value)
Minimum
3
3 Average...
User Manual - Page 14
... refer to Low Power Active mode after Read/Write operation. This maximum time is not included the seek time by the system.
Caution
This product is measured at the connector of ...is required for possible combustion due to 20 seconds in case of spin up retries under certain conditions of the voltage specifications(Table 3.1) and environmental specifications(Table 3.2).
*4 :For DC power ...
User Manual - Page 15
...HDD package box. Please see specification 5.1 Packing for reference.
Please see specification 5.1 Packing for reference.
*3 :In case of the drive. Item
Specification
DK23EB-40
1
Ambient *1
Operational
5 to 55°C
temperature
Non-operational
-40 to 70°C *2
Temperature gradient
Max. 20... 2.8 Bels
*4
seek
Typical 3.1 Bels
...than 1 non-recoverable error in
(*5)
(with ...
User Manual - Page 38
...
4 - 5 Retired
6 Number of logical sectors per logical track
7-9 Vendor specific
10-19 Serial number (20 ASCII characters)
20 Retired
21 Retired
22 Number of ECC bytes passed on READ/WRITE LONG commands
23-26 Firmware revision(8 ASCII Characters)
27-46 Model number(40 ASCII Characters)
DK23EB-40: "HITACHI_DK23EB-40"
47 Number of sectors on multiple commands
Bit 15 - 8 80h...
User Manual - Page 41
...
Bit 11 0 = Reserved
Bit 10 1 = Host Protected Area feature set supported
Bit 9 1 = DEVICE RESET command supported
Bit 8 1 = SERVICE interrupt enabled
Bit 7 1 = Release interrupt enabled
Bit 6 1 = Look-ahead enabled
If word 85 bit 6 is set to one, the Security Mode
feature has been enabled via SECURITY SET PASSWORD
command.
Bit 5 1 = Write cache enabled
If word 85 bit 5 is...
User Manual - Page 44
... number of CYL. Bit 7 - 0
Signature Code "A5h"
Value (HEX.) 0000h
0XXXh
0000h XXA5h
Model DK23EB-40
Table 6.6 Identify Device information (Addressing)
Word 1
Word 2
Word 3
Number of user addressable sectors in
word 255. Word
Table 6.5 Identify Device Information(Continued) Description
127 Removable Media Status Notification feature set support
Bit 15 - 2 0 = Reserved
Bit 1 - 0 00...
User Manual - Page 57
... 5 4 3 2 1 0
B0h
C2h
4Fh
- If a device receives a firmware modification, all times the device is powered on device that have generated error conditions. DRV
XX
XX
XX
D8h
0 : DRV0
1:DRV1
K6602743 Rev.2 02.12... to the Standby state.
6.3.2.8.4 SMART Function Default Setting
The device is utilizing the power management feature set to utilize the standby timer, The device automatically ...
User Manual - Page 64
... a self-test in captive mode, the device sets BSY to analyze RRO and settling accuracy. If an error occurs while a device is performing the routine the...part of this self-test routine is performed in off-line read scan test - b) Automatic sector reallocation in the off -line or mode. d) Partial read scanning for each head. e) Seek performance test - Measures average seek time...
User Manual - Page 78
...
Executable
Executable
Security Erase Unit
Executable
Executable
Security Freeze Lock
Aborted
Executable
Security Set Password
Aborted
Executable
Security Unlock
Executable
Executable
Seek
Executable
Executable
Set Features
Executable
Executable
Set Multiple Mode
Executable
Executable
Sleep
Executable
Executable
SMART Automatic Enable/Disable
Executable
Executable...
User Manual - Page 87
...the capacity of the Device Configuration Overlay feature set.
Commands unique to the Device Configuration Overlay feature set use a single command code and are maintained over power-down and ... Device Configuration Overlay feature set allows a utility program to modify some of the commands, modes, and features sets that the device is capable of supporting. These commands are aborted...
User Manual - Page 99
... and 6-13 through 17 define the timings associated with all phases of critical timing
tACK
20
20
20
20
20
20
Setup and hold time at sender
tFS
230
200
170
130
120
90 First strobe
tUI
0
0
0
0
0
0
Unlimited interlock
tAZ
10
10
10
10
10
10 Maximum time allowed for output
drivers to release
tZAD
0
0
0
0
0
0
Maximum delay time for the STOP, HDMARDY and...
User Manual - Page 102
...: The definitions for
output drivers turning on
tIORDYZ
20
20
20
20
20
20 Maximum time before releasing IORDY
tACK
20
20
20
20
20
20
Setup and hold time at
sender
tLI
0 150 0 150 0 150 0 100 0 100 0 75 Limited interlock time
tMLI
20
20
20
20
20
20
Interlock time with minimum
tAZ
10
10
10
10
10
10 Maximum time allowed for
output drivers to negation of DMARQ or...
User Manual - Page 104
...
0
20 70 20 70 20 70
0
0
0
tACK
20
20
20
tDZFS
70
48
31
Mode3(ns) MIN MAX 20
6.2
0 100 0 20 55 0
20
20
Mode4(ns) MIN MAX 6.7
6.2
0 100 0 20 55 0
20
6.7
Mode5(ns)
Description
MIN MAX
4.8
Data valid setup time at
sender
4.8
Data valid hold time at
sender
0 75 Limited interlock time
0
Unlimited interlock
20 50 Envelope time
0
Minimum time before
driving IORDY
20
Setup...
User Manual - Page 108
...
160
125
100
100
100
85
Ready-to-pause time
tIORDYZ
20
20
20
20
20
20 Maximum time before
releasing IORDY
tACK
20
20
20
20
20
20
Setup and hold
time at sender
tCVH
6.2
6.2
6.2
6.2
6.2
10
CRC word valid hold times
for the STOP, DDMARDY and HSTROBE signal lines are no longer in effect
after DMARQ and DMACK are negated. tMLI
tACK
tIORDYZ
tMLI
tACK
tCVS...
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