SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) ��������������������������������������������������������������������Ŀ � United States +1 408 438-8771 � United Kingdom +44 628 478011 � ��������������������������������������������������������������������Ĵ � Germany +49 89 140-9331 � Singapore +65 227-2217 � ���������������������������������������������������������������������� (C)opyright 1991 ST-4767N (94601-767H) Wren Runner 2 FH SCSI-2 ��� Some 16-pin configurations may not have these pins. � � �����������������������������͸ /�4�3�2�1�\ �����P�W�A�������͵:::SCSI:Cable:::::::::::::::1�͵ 0 0 0 0 ��� �Ŀ � �����������������������������; ��5�G�G�12� �o�o o o o o o(o)o ���������1���������1���������1 Power �o�o o o o o o(o)o ������������������������������ ��� 4 2 1 M P � � Terminator Resistor SIPS � ����� � � � � � � � � � �� Reserved � � � � ���� Motor Start Delay ( 16 sec * ID) � � � ������ Parity option enable � � �������� Motor Start option enable � ������������ Drive ID's, ID 0 (none) if only SCSI device ������������������ Terminator power from Drive (vertical) � Terminator power from Bus (lower horizontal) ST-4767N 94601-767H/M WREN RUNNER FH UNFORMATTED CAPACITY (MB) ________________767 FORMATTED CAPACITY (64 SECTORS) (MB) _____665 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________20340 CYLINDERS ________________________________1356 HEADS ____________________________________15 DISCS ____________________________________8 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) TRANSFER RATE (mbytes/sec) _______________3 SPINDLE SPEED (RPM) ______________________4,800 AVERAGE LATENCY (mSEC) ___________________6.25 BUFFER ___________________________________256 Kbyte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 TPI (TRACKS PER INCH) ____________________1,600 BPI (BITS PER INCH) ______________________30,600 AVERAGE ACCESS (ms) ______________________11.9 SINGLE TRACK SEEK (ms) ___________________2.5 MAX FULL SEEK (ms) _______________________26 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _4.5 +12V TYPICAL (amps) __1.6 +5V START-UP (amps) __1.1 +5V TYPICAL (amps) ___0.8 TYPICAL (watts) ______27 MAXIMUM (watts) ______60 BUFFERED STEP PULSE RATE (micro sec) _____ WRITE PRECOMP (cyl) ______________________N/A REDUCED WRITE CURRENT (cyl) ______________N/A LANDING ZONE (cyl) _______________________AUTO PARK IBM AT DRIVE TYPE ________________________0 or NONE Already low-level formatted at the factory. Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)