SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) 旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 � United States +1 408 438-8771 � United Kingdom +44 628 478011 � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 � Germany +49 89 140-9331 � Singapore +65 227-2217 � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸 (C)opyright 1991 ST-4767ES Wren Runner 2 FH ESDI �Data Cable �Controller Cable /�5횳횳�12\ 袴袴袴袴 袴� J11 袴袴袴袴袴袴袴 袴� 固 0 0 0 0 팠� o o o o o o o o o 1컴컴컴컴컴커 o o o o읕컴J1컴컴� J9 o o o o o o o 컫� 픖erminator켸 o o o o 1 2 3 4 5 6 7 윱Synchronous 1 2 4 W Motor Start 컴� � � � � � � 쿞pindles 컴쩡� � J8 option enable � � � � � � � � Write Protect � � � � � � Synchronized Spindle 읕컴� Drive Selects Factory use only 켸 � � � � Terminator (connected on Binary Coded � � � � last drive in daisy chain) Sectors � � � 읕 Factory use only 袴袴袴袴袴曲曲曲袴 Special 0 0 0 60 0 0 1 = 644,659,200 61 0 1 0 = 655,403,520 62 0 1 1 = 666,147,840 63 1 0 0 = 676,892,160 33 1 0 1 Reserved 1 1 0 0=open; 1=closed Add Mark 1 1 1 ST-4767E UNFORMATTED CAPACITY (MB) ________________788 FORMATTED CAPACITY (63 SECTORS) (MB) _____676 ** ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________20,985 CYLINDERS ________________________________1399 HEADS ____________________________________15 DISCS ____________________________________8 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________RLL (1,7) TRANSFER RATE (mbytes/sec) _______________3 INTERNAL TRANSFER RATE (mbits/sec) _______24 SPINDLE SPEED (RPM) ______________________4,800 AVERAGE LATENCY (mSEC) ___________________6.25 INTERFACE ________________________________ESDI TPI (TRACKS PER INCH) ____________________1,600 BPI (BITS PER INCH) ______________________32,049 AVERAGE ACCESS (ms) ______________________11.9 SINGLE TRACK SEEK (ms) ___________________2.5 MAX FULL SEEK (ms) _______________________25 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _4.5 +12V TYPICAL (amps) __2.0 +5V START-UP (amps) __1.2 +5V TYPICAL (amps) ___0.8 TYPICAL (watts) ______27 MAXIMUM (watts) ______ 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 ________________________* * MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING AND PARTITIONING SOFTWARE. ALSO, CHECK TO SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE. ** ESDI controllers which offer an Alternate/Spare sector per track option will format to a capacity = Cyl*Hd*(SPT-1)*512 bytes Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)