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IBM storage products
Product summary
Deskstar 22GXP
AT/IDE
Models:DJNA-372200, DJNA-371800,
DJNA-371350, DJNA-370910
Introducting Applications
IBM's latest Deskstar drives are ideal for high- Y High performance Desktop personal computers
performance desktop users. With capacities of up to Y Entry servers
22 GB and a rotational speed of 7200 RPM, users Y Entry workstations
have access to the highest capacities and
performance in the industry.
Y Multimedia applications
Y Video editing
Features Benefits
Y 9.1 GB, 13.5 GB, 18.0 GB & 22.0 GB formatted Y Range of capacities to meet the need for
capacities increasing storage requirements
Y Industry standard interface Y Popular interface with excellent performance
Y PIO Mode 4 rates up to 16.6 MB/sec
Y Ultra DMA/66 rates up to 66.6 MB/sec
Y 139 - 224 Mb/sec media data transfer rate Y Excellent data rate across disk surface
Y Rotational speed 7,200 RPM
Y Average seek time 8.5 ms (read) Y Fast access to data
Y Average latency 4.17 ms
Y 1966 KB segmented sector buffer Y Fast access to data and improved throughput
Y ECC on-the-fly Y High reliability
Y Power saving modes Y Reduced power consumption
Y S.M.A.R.T. function support Y Protection of user data
Y Drive Fitness Test (DFT) technology
Y Security function support Y Password protection for sensitive data
Page 1
IBM Hard Disk Drive Technical Support Center version 4.0
IBM storage products
voltage specification is applied at
Connectors Jumper block the power connector of the drive.
There is no special power on/off
Jumper settings sequencing required.
Pin 1
Pin A
Power supply current
I G E C A DJNA-372200, -371800
AT I/F Jumper Power +5 V +12 V
Connector Block Connector H F D B pop. mean pop. mean
(in amps) (in amps)
The DC power connector is Idle average 0.25 0.42
designed to mate with AMP (part Idle ripple
0.31 0.89
Jumper pins are located between (peak to peak)
1-480424-0) using AMP pins (part
Seek peak 0.49 1.96
350078-4) strip or (part 61173-4) power pins and AT interface pins. 1
Pins A through I are prepared for Seek average 0.29 0.62
loose piece, or their equivalents.
jumper setting. Start up (max.) 0.72 2.04
Pin assignments are shown below.
RND R/W peak 0.78 1.96
16 head logical architecture RND R/W
Note: The AT signal connector is a Master active A-B and G-H 2 0.35 0.58
average
40 pin connector. Slave active A-B and C-D Standby
Pin Voltage Cable Select A-B and E-F 0.13 0.009
average
1 +12 V
Master/Slave Sleep average 0.052 0.011
4 3 2 1 2 GND E-F and G-H
3 GND present
4 +5 V Reserved I DJNA-371350, -370910
+5 V +12 V
15 head logical architecture pop. mean pop. mean
Cabling (in amps) (in amps)
Master active A-C and G-H
Idle average 0.25 0.33
Slave active A-C
The maximum cable length from Idle ripple
Cable select A-C and E-F 0.25 0.55
the host system to the drive plus (peak to peak)
Master/Slave A-C, E-F, and
the length of the circuit pattern in Seek peak 0.46 1.70
present G-H
the host system should not exceed Reserved I Seek average 1 0.29 0.50
18 inches. Start up (max.) 0.71 1.94
RND R/W peak 0.72 1.70
All other jumper setting patterns
For higher data transfer application RND R/W
are reserved. Do not make other 2 0.35 0.46
(greater than 8.3MB/sec), a average
settings!
consideration in system design is Standby
0.13 0.009
recommended to reduce cable Note: Shipping default is Master average
noise and/or cross-talk, such as a active. Sleep average 0.052 0.011
shorter cable, bus termination, a 1. Random seeks at 40% duty
shielded cable, etc. cycle.
DC power requirements
For systems operating with Ultra 2. Seek duty = 30%, W/R duty =
DMA mode 3 or 4, the Connection to the product should 45%, Idle Duty = 25%.
80-conductor ATA cable assembly be made in isolated secondary
(SFF-8049) should be used. circuits (SELV). The following
Data organization (logical)
DJNA- 370910 371350 371800 372200
Number of heads 16*/15 16*/15 16*/15 16*/15
Sectors/track 63 63 63 63
Number of cylinders 16,383 16,383 16,383 16,383
Customer usable
9,115,361,280 13,578,485,760 18,042,716,160 22,605,004,800
data bytes
* Shipping default.
Page 2
IBM Hard Disk Drive Technical Support Center version 4.0
IBM storage products
Power supply generated ripple\ Hot Plug/Unplug support Environment
Maximum Notes Hot plugging/unplugging is not Operating conditions
+5V DC 100 [mV 0-10 allowed because damage to the Temperature 5 to 55