Hawk 4
|
Capacity:
Speed:
Average Read Time:
|
4.29 GB
5400 rpm
10.5 ms |
|
ST-15230W SCSI-2 Fast Wide (Hawk 4)
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� REAR VIEW � (ST-15230W/WD only)
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(TOP) Auxiliary
___________________ ��� �1�/���������\
�( �����������������1)ͳ::::::�� 0 0 0 0 ��
\�����������ij����/ � �� ���5�G�G�12�
68 pin I/O Cable� ������
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Auxiliary option header ������
pin-11 +5v ���������ٳ����
pin-10 GND ����������ٳ���
SCSI ID = 8 �����������ٳ��
SCSI ID = 4 �����������Ĵ��
or pin-6 REFIND+ ������ٳ�
SCSI ID = 2 �������������ٳ
SCSI ID = 1 ���������������
SCSI ID = 0 (none)
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� REAR VIEW � (ST-15230WC only)
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80 pin I/O and DC Power Wall/bracket Connection
� Female
J1 /���ij���������������\ TOP (HDA)
����������/ �������������������� \����������
(\�1������������������40/) BOTTOM
Notes on 80 pin I/O connector:
pins 1 - 4 = +12v 41 - 44 = 12v GND
34 - 36 = +5v 74 - 76 = 5v GND
37 = SYNC 77 = LEDC
38 = MTRON 78 = DLYDST
39 = SCSIA0 79 = SCSIA1
40 = SCSIA2 80 = SCSIA3
Mating NC connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin
2-557101-1 right angle to PCB
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� RIGHT SIDE VIEW � (Both ST-15230W and ST-15230WC)
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BACK � J2 12345678 TOP (HDA) FRONT
OF J1�����������������������P�W�A����������������������� OF
DRIVE �; :::::::: BOTTOM DRIVE
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�Terminator Power ٳ������ Enable T-Res (ST15230W only)
ڴTerminator Power �ٳ����� Start Delay (12 secs * ID)
� Reserved ��ٳ���� Motor Start
� Parity Enable �������� Write Protect
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�Ĵ Termination Power-source Table �
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� �
� 1 2 1 2 1 2 �
� �ķ �ķ ���ķ A Drive Supplies Bus �
� ��� �� ���� B Drive Supplies Own �
� ��� ��� � � C Bus Supplies Drive �
� A B C �
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Note: The model ST-15230WC drive cannot furnish terminator power,
because no pins on the 80 pin I/O connector are devoted to terminator
power.
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� FRONT VIEW � (Both ST-15230W and ST-15230WC)
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TOP (HDA) J6 ������1�
��P�W�A�������������������������͵::::::��
* BOTTOM ������;
� ������
LED �� ������
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Auxiliary option header ������
pin-11 +5v ���������ٳ����
pin-10 GND ����������ٳ���
SCSI ID = 8 �����������ٳ��
or pin-8 BUSY ����� ���
SCSI ID = 4 ������������ٳ�
or pin-6 REFIND+ �� ��
SCSI ID = 2 �������������ٳ
SCSI ID = 1 ���������������
SCSI ID = 0 (none)
If these ID jumper are used, then
ID jumpers shown in left side view J5
or 80 pin I/O cable ARE NOT USED.
ST-15230W
Hawk 4
UNFORMATTED CAPACITY (MB) ________________5160
FORMATTED CAPACITY (xx SECTORS) (MB) _____4294
AVERAGE SECTORS PER TRACK ________________110
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________75,848
CYLINDERS ________________________________3,992 user
HEADS ______PHYSICAL______________________19
DISCS (3.5 in) ___________________________10
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec)________34 to 63
EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync
SPINDLE SPEED (RPM) ______________________5,411
AVERAGE LATENCY (mSEC) ___________________5.54
BUFFER ___________________________________512/2048 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 FAST Wide
ASA II
SECTORS PER DRIVE ________________________
TPI (TRACKS PER INCH) ____________________3000
AVERAGE ACCESS (ms) (read/write)__________9.0/10.5
Drive level without controller overhead
SINGLE TRACK SEEK (ms) ___________________1
MAX FULL SEEK (ms) _______________________22
MTBF (power-on hours) ____________________800,000
SHOCK (G's):
operating (Read/Write) __________10
nonoperating ____________________60
ACOUSTICS (typ/max dBA) __________________/
POWER REQUIREMENTS: +12V START-UP (amps) _2.4
+12V TYPICAL (amps) __0.6
+5V START-UP (amps) __0.8
+5V TYPICAL (amps) ___0.43
TYPICAL (watts) ______9
MAXIMUM (watts) ______
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.63/41.4
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.75/146.1
Weight (lbs/kg): 2.5/0.99
Already low-level formatted at the factory with twelve spare sectors
per cylinder and two spare cylinders/unit.
ZBR = Zone Bit Recording = Variable sectors per track
Seagate reserves the right to change, without notice, product
offerings or specifications. (11/03/95)
