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-31230W and ST-31230WC)
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BACK � J2 12345678 TOP (HDA) FRONT
OF J1�����������������������P�W�A����������������������� OF
DRIVE �; :::::::: BOTTOM DRIVE
��������
�Terminator Power ٳ������ Reserved
ڴTerminator Power �ٳ����� Start Delay (12 secs * ID)
� Enable T-Res ��ٳ���� Motor Start
� Parity Enable ������� Write Protect
�
�
� ��������������������������������Ŀ
�Ĵ Termination Power-source Table �
���������������������������������������������Ŀ
������....�����....�����PWA edge����� �
� �
� 1 2 1 2 1 2 �
� �ķ �ķ A Drive Supplies Bus �
� ���� ���� ��� B Drive Supplies Own �
� ��� ��� � �� C Bus Supplies Drive �
� A B C �
����������Default�������������������������������
Note: The model ST-31230WC 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-31230W and ST-31230WC)
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TOP (HDA) J6 ������1�
��P�W�A�������������������������͵::::::��
* BOTTOM ������;
� ������
LED �� ������
������
������
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-31230W
Hawk 2LP
UNFORMATTED CAPACITY (MB) ________________1200
FORMATTED CAPACITY (xx SECTORS) (MB) _____1050
AVERAGE SECTORS PER TRACK ________________
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________
CYLINDERS ________________________________3898
HEADS ______PHYSICAL______________________5
DISCS (3.5 in) ___________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec)________38 to 62
EXTERNAL TRANSFER RATE (mbytes/sec)_______20 Sync.
SPINDLE SPEED (RPM) ______________________5411
AVERAGE LATENCY (mSEC) ___________________5.54
BUFFER ___________________________________512 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 FAST Wide
TPI (TRACKS PER INCH) ____________________
AVERAGE ACCESS (ms) (read/write)__________9.3/10.5
Drive level without controller overhead
SINGLE TRACK SEEK (ms) (read/write)_______1.2/1.7
MAX FULL SEEK (ms) (read/write)___________19.4/20.4
MTBF (power-on hours) ____________________800,000
POWER REQUIREMENTS: +12V START-UP (amps) _1.7
+12V TYPICAL (amps) __0.36
+5V START-UP (amps) __
+5V TYPICAL (amps) ___0.54
TYPICAL (watts) ______7
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
