Mating NC connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin
2-557101-1 right angle to PCB
�����������������ͻ
� RIGHT SIDE VIEW � (Both ST-31200W and ST-31200WC)
�����������������ͼ
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-31200WC drive cannot furnish terminator power,
because no pins on the 80 pin I/O connector are devoted to terminator
power.
������������ͻ
� FRONT VIEW � (Both ST-31200W and ST-31200WC)
������������ͼ
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-31200W
Hawk 1LP
UNFORMATTED CAPACITY (MB) ________________1258.8
FORMATTED CAPACITY (xx SECTORS) (MB) _____1052.4
AVERAGE SECTORS PER TRACK ________________84
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________24,300
CYLINDERS ________________________________2,700 user
HEADS ______PHYSICAL______________________9
DISCS (3.5 in) ___________________________5
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec)________26.8 to 47.2
EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync
SPINDLE SPEED (RPM) ______________________5411
AVERAGE LATENCY (mSEC) ___________________5.54
BUFFER ___________________________________256/1024 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 FAST WIDE
TPI (TRACKS PER INCH) ____________________3000
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) ____________________500,000
POWER REQUIREMENTS: +12V START-UP (amps) _1.5
+12V TYPICAL (amps) __0.5
+5V START-UP (amps) __
+5V TYPICAL (amps) ___0.2
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