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IBM OEM Storage Products
IBM
Deskstar 8
DHEA-34331, DHEA-36481 and DHEA-38451
IBM OEM has introduced a new range of disk drives for the
desktop personal computer marketplace.
Available in three capacity points with AT interface, the
drive provides excellent performance and reliability.
Applications
M Desktop personal computers
M Entry servers
M Entry workstations
Features Benefits
M 4.33GB/ 6.48GB /8.45GB at (512 bytes/sector) M Range of capacities to meet the need for increasing storage requirements
M PIO and DMA data transfer modes M Fast interface data rates
M PIO Mode 4 rates up to 16.6MB/sec
M Ultra DMA/33 rates up to 33.3MB/sec
M Average seek time 9.1ms (Read) 9.5ms(Write) M Fast access to data
M 5400 RPM
M 472KB adaptive sector buffer M Fast data retrieval in single and multitasking applications
M Industry standard mounting M Ease of installation
M The drive can be mounted with any of its six
surfaces facing down
M Advanced ECC on the fly (EOF) M Improved data throughput
M CHS and LBA addressing modes M Flexibility to support most appropriate addressing
M Power saving modes M Reduced power consumption
M Robust design for EMC/RFI M Easy integration across multiple platforms
M MR (Magneto Resistive) head technology M High area density, low component count
M No ID sector format M More data stored per track, increased sustained data transfer rate
M PRML Data Channel
M S.M.A.R.T. function support M High reliability and availability
Connectors Jumper Block Operating Environment
Pin 1 Jumper Settings Operating Conditions
Pin A
Jumpers may be fitted to select the Temperature 5O to 55OC*
following options:- Relative Humidity 8 to 90%
non-condensing
16 head logical architecture Maximum Wet Bulb 29.4OC
AT I/F Jumper Power Temperature non-condensing
Connector Block Connector
Pin Numbers Maximum
MASTER active A-B and G-H Temperature Gradient 15OC/Hour
Altitude -300 to 3048m
The DC power connector is designed to SLAVE active A-B and C-D
mate with AMP part 1-480424 (using Non Operating Conditions
AMP pins P/N 350078-4). Equivalent Cable sel A-B and E-F Temperature -40O to 65OC
connectors may be used. Pin Relative Humidity 5 to 95%
assignments are shown below, viewed SLAVE Present E-F and G-H
non-condensing
from the end of the drive. Maximum Wet Bulb 35OC
Reserved I
Temperature non-condensing
Pin Voltage Maximum
1 +12 V 15 head logical architecture Temperature Gradient 15OC/Hour
4 3 2 1 2 GND Altitude -300 to 12,000m
3 GND Pin Numbers
4 +5 V
MASTER active A-C and G-H Note: * The system is responsible for
providing sufficient air movement to
SLAVE active A-C
maintain surface temperature below
Cable sel A-C and E-F 60OC at the centre of the top cover of
AT I/F Connector the drive.
SLAVE Present A-C, E-F and G-H
The drive uses single-ended drivers and Operating Shock
receivers. The connector is designed to Reserved I The hard disk drive meets the following
mate with 3M part 3417-7000 or criteria while operating in respective
equivalent. conditions described below. There must
All other jumper setting patterns are
be a delay between shock pulses, long
reserved. DO NOT MAKE OTHER
Note: It is intended that the hard disk enough to allow the drive to complete
SETTINGS! all necessary error recovery procedure.
should only be in electrical contact with
the chassis of the PC at a designated
set of mounting holes. Other electrical No errors 5G, 11 ms half-sine
contact may degrade error rate shock pulse
I G E C A No data loss seek errors or permanent
performance. As a result of this it is
recommended that there should be no H F D B damage 10G, 11ms half-sine
metal contact to the hard disk drive shock pulse
except at the mounting holes or the side No data loss or permanent damage
rails into which the mounting holes are 15G, 5 ms half-sine
tapped. shock pulse
30G, 4 ms half-sine
shock pulse .
Shipping Default Settings
Non-Operating Shock
16 head logical architecture is enabled. The drive withstands without damage or
MASTER is set to on (i.e. jumper on degradation of performance, a 75G
pins A-B and G-H) No other jumpers half-sine wave shock pulse of 11ms
are fitted. duration on six sides when heads are
parked. (When power is not applied to
the unit the heads are automatically
located in the parked position). Above
specification is for shocks applied in
each direction of the drives three
mutually perpendicular axis, one axis at
PACKAGING: The drive must be protected against Electrostatic a time.
Discharge especially when being handled. The safest way to avoid
damage is to put the drive in an anti static bag before ESD wrist straps Operating Vibration
etc. are removed. Due to the complexity of this subject we
recommend that users contact the IBM
Drives should only be shipped in approved containers, severe damage can be technical support group representative
caused to the drive if the packaging does not adequately protect against the to discuss how to perform the
shock levels induced when a box is dropped. Consult your IBM marketing necessary measurements if they believe
representative if you do not have an approved shipping container. this to be an area which requires
evaluation.
To prevent external electrical noise from Note:
DC Power Requirements interfering with the file's performance, "O" designates an output from the
the file must be held by four screws in a Drive.
The following voltage specifications user system frame which has no "I" designates an input from the
apply at the drive power connector. electrical level difference at the four Drive.
Damage to the drive electronics may screws position, and has less than +/- "I/O" designates an input/output
result if the power supply cable is 300 millivolts peak to peak level common.
connected or disconnected while power difference to the file power connector "*" These signal lines are redifined
is being applied to the drive (Hot ground. during the Ultra DMA protocol
plug/unplug is not allowed). There is to provide special functions as
no special power on/off sequencing detailed in the table below:-
Cabling
required.
Special Conventional
Input Voltage The maximum cable length from the Definition Definition
+5 Volts Supply 5V(+/-5% during Host system to the drive, plus the (Ultra DMA)
run and spin up)1 circuit pattern length inside the Host Write -DDMARDY IORDY
+12 Volts Supply 12V(+10%,-8% during systems, must not exceed 18 inches Operation HSTROBE -DIOR
run and spin up)2 (45.7cm). STOP -DIOW
Read -HDMARDY -DIOR
1
To avoid damage to the file For higher data transfer application Operation DSTROBE IORDY
electronics 5V power supply voltage >8.3MB/sec, a consideration in system STOP -DIOW
spikes must not exceed 7V. design is recommended to reduce cable
2
To avoid damage to the file noise and/or cross-talk, such as shorter
electronics 12V, power supply voltage cable, bus termination, shielded cable,
spikes must not exceed 15V. etc. Interface
Power Supply Current Signal Definition The interface conforms to the working
document of information technology -
(All values + 5 volts +12 volts
in Amps.) Pop Mean Pop Mean The pin assignments of interface AT Attachment-3 Interface (ATA-3)
signals are listed as follows: revision 6 dated on October 26 1995
Idle average 0.32 0.26 with following deviations.
Idle ripple (peak to peak) 0.20 0.48 PIN Signal I/O PIN Signal I/O ICRCE (Interface CRC error)
1 Bit 7 of Error Register is supported as
Seek peak 0.44 1.40
01 -RESET I 02 GND Interface CRC Error bit. This bit will be
Seek average 1
0.30 0.50 set if a CRC error has occurred on the
03 DD07 I/O 04 DD08 I/O
data bus during an ULTRA-DMA
Start up (max) 0.60 2.00 transfer.
05 DD06 I/O 06 DD09 I/O
2
Random R/W peak 0.70 1.40
07 DD05 I/O 08 DD10 I/O Check Power Mode
Random R/W average 2
0.36 0.39 CHECK POWER MODE command
09 DD04 I/O 10 DD11 I/O returns FFh to Sector Count Register
Standby/Sleep average 0.13 0.002 when the device is in Idle mode. This
11 DD03 I/O 12 DD12 I/O
command does not support 80h as the
1
Random Seeks at 40% duty cycle. 13 DD02 I/O 14 DD13 I/O return value.
2
Seek duty = 30%, W/R duty = 45%,
15 DD01 I/O 16 DD14 I/O Sleep mode
Idle duty = 25%.
17 DD00 I/O 18 DD15 I/O During Sleep mode the drive will be
Power Supply Generated Ripple as activated by any command, including,
seen at file power connector. 19 GND (20) Key but not limited to, a soft reset.
21 DMARQ O 22 GND Hard Reset
Maximum Notes
23 -DIOW* I 24 GND Hard Reset response is identical to Soft
+5V DC 100mV pp 0-10 MHz Reset response with the following
25 -DIOR* I 26 GND exception:
+12V DC 150mV pp 0-10 MHz When drive is MASTER the DASP line
27 IORDY* O 28 CSEL I is not checked and SLAVE presence is
During file start up and seeking, 12 volt 29 -DMACK I 30 GND
assumed to be unchanged. When drive
ripple is generated by the file (referred is set as a SLAVE it will activate DASP
to as dynamic loading). If several files 31 INTRQ O 32 -HIOCS16 O line to indicate it is present.
have their power daisy chained together
then the power supply ripple plus other 33 DA01 I 34 -PDIAG I/O
file's dynamic loading must remain 35 DA00 I 36 DA02 I
within the regulation tolerance of
+10/-8%. A common supply with 37 -CSO I 38 -CS1 I
separate power leads to each file is a
more desirable method of power 39 -DASP I/O 40 GND
distribution.
Idle Immediate* (95) 3
Data Organisation P(rotocol):
Initialise Drive Parameters (91) 3 1 PIO data IN command
Description DHEA- DHEA- DHEA-
2 PIO data OUT command
34331 36481 38451 Read Buffer (E4) 1 3 Non data command
Physical Layout 4 DMA command
Read DMA (retry) (C8) 4
+ Vendor specific command
Label Capacity (MB) 4330 6480 8450 Read DMA (no retry) (C9) 4
* Alternate command codes for
Bytes per Sector 512 Read Long (retry) (22) 1 previous defined commands.
Sectors per Track 154-264 Read Long (no retry) (23) 1
Number of heads 4 6 8 Electromagnetic Compatibility
Read Multiple (C4) 1
Number of disks 2 3 4 Read Native Max LBA/CYL (F8) 3+ The drive meets the following EMC
Logical Layout 1
Read Sectors (retry) (20) 1
requirements when installed in a
suitable user system and exercised with
Number of Heads 16(15) 16(15) 16(15) Read Sectors (no retry) (21) 1 a random accessing routine at
Number of Sectors/Track 63 63 63
maximum data rate:
Read Verify Sectors (retry) (40) 3
Number of Cylinders 8440 12592 16383 United States Federal Communication
Read Verify Sectors (no retry) (41) 3
(8960) (13424) (16383) Commission (FCC) Rules and
Recalibrate (1X) 3 Regulations Part 15, subject J -
# of Sectors 8467200 12692736 16514064 Computer Devices "Class B Limits".
(8467200)(12685680)(15481935) Seek (7X) 3
Total logical 4335206400 6498680832 8455200768 European Economic Community (ECC)
Set Features (EF) 3
Data Bytes (4335206400) (6495068160) (7926750720) directive #76/889 related to the control
Set Max LBA/CYL (F9) 3+ of radio frequency interference and the
Verband Deutscher Elektrotechniker
Set Multiple (C6) 3 (VDE) requirements of Germany
Logical layout describes imaginary
(GOP).
HDD parameters which are used to Sleep (E6) 3
access customer data on the disk
Sleep* (99) 3 Council Directive 89/336/EEC on the
drive. Logical layout to Physical
approximation of laws of the Member
layout (i.e.. actual Head, Sector)
SMART Disable Operations (BO) 3 States relating to electromagnetic
translation is done automatically in
compatibility.
the HDD Default setting can be SMART Enable/Disable
obtained by issuing IDENTIFY Attribute Autosave (BO) 3
C-Tick Mark complies with Australian
DRIVE command.
SMART Enable Operations (BO) 3 EMC standard, AS/NZS 3348:1995
CLASS-B.
Bracketed values show alternate,
SMART Execute Off-line
jumper selectable, option. Data Collection (BO) 3
SMART Read Attribute Values (BO) 1
Command Description SMART Read Attribute Thresholds (BO) 1
SMART Return Status (BO) 3
The following Commands are supported
by the Drive: SMART Save Attribute Values (BO) 3
Standby (E2) 3
Commands (Hex) P
Standby* (96) 3
Check Power Mode (E5) 3
Standby Immediate (EO) 3
Check Power Mode* (98) 3
Standby Immediate* (94) 3
Execute Drive Diagnostics (90) 3
Write Buffer (E8) 2
Flush Cache (E7) 3
Write DMA (retry) (CA) 4
Format Track (50) 2
Write DMA (no retry) (CB) 4
Identify Drive (EC) 1
Write Long (retry) (32) 2
Identify Drive DMA (EE) 4
Write Long (no retry) (33) 2
Idle (E3) 3
Write Multiple (C5) 2
Idle* (97) 3
Write Sectors (retry) (30) 2
Idle Immediate (E1) 3
Write Sectors (no retry) (31) 2
Registers (Primary Channel Addresses) Outline Dimensions
Address Input Output
Register Register
1F0h Data Data
1F1h Error Features
1F2h Sector Count Sector Count
1F3h Sector Number Sector Number
*LBA bits 0-7 *LBA bits 0-7
1F4h Cylinder Low Cylinder Low
*LBA bits 8-15 *LBA bits 8-15
1F5h Cylinder High Cylinder High
*LBA bits 16-23 *LBA bits 16-23
1F6h Drive/Head Drive/Head
*LBA bits 24-27 *LBA bits 24-27
1F7h Status Command
3F6h Alternate Status Device Control
3F7h Drive Address Not Used
The host uses the register interface to
Mounting Holes
communicate to and from the drive. The
registers are accessed through the host port
addresses shown. The host should not read
or write any registers when the Status
Register BSY bit = 1.
Note: * Meaning of Register contents when
LBA addressing mode used.
Mechanical Data
Dimensions
Height 25.4 +/- 0.4mm
Width 101.6 +/- 0.4mm
Length 146.0 +/- 0.6mm
Weight 580g maximum
The recommended mounting screw torque is 0.6-1.0(NM) (6-10[Kgf.cm)).
1 Max allowable penetration of noted screw to be 3.5mm
2 Max allowable penetration of noted screw to be 5.5mm.
Connector Locations
IBM
IBM OEM Europe
PO Box 41
North Harbour
Portsmouth
Hampshire
PO6 3AU
United Kingdom
Telephone: (44) 1705 561000
IBM Corporation
Storage Systems Division
5600 Cottle Road
San Jose, CA 95193
(408) 256-8000
Japan Headquarters: (81) 466-45-1384
Asia-Pacific Headquarters: (65) 320-1503
Internet access at:
http://www.ibm.com/storage/hddtech
Registered in England: No. 741598
Registered Office: PO Box 41, North Harbour,
Portsmouth. Hampshire P06 3AU.
UK company-wide registration to ISO90001.
Certificate number FM12587.
IBM is the registered trademark of International
Business Machines Corporation.
AMP is a trademark of AMP Incorporated
Molex is a trademark of Molex Incorporated
DATA MATE is a trademark of AMP Incorporated
Other company, product and service names may be
trademarks or service marks of others.
Produced by European SIT Lab.
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