SEAGATE TECHNOLOGY, INC. 1-800-SEAGATE http://www.seagate.com (C)opyright 1991 ST-4767ES Wren Runner 2 FH ESDI ÚData Cable ÚController Cable /Ä5ÄGÄGÄ12\ ÍÍÍÍÍÍÍÍ ÍÍÍ J11 ÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍ Í³ 0 0 0 0 ÆÍÍ o o o o o o o o o 1ÄÄÄÄÄÄÄÄÄÄÄ¿ o o o oÀÄÄÄJ1ÄÄÄÄÙ J9 o o o o o o o ÄÂÄ ÀTerminatorÄÙ o o o o 1 2 3 4 5 6 7 À´Synchronous 1 2 4 W Motor Start ÄÄÙ ³ ³ ³ ³ ³ ³ ³Spindles ÄÄÂÄÄ ³ J8 option enable ³ ³ ³ ³ ³ ³ ³ À Write Protect ³ ³ ³ ³ ³ À Synchronized Spindle ÀÄÄÄÄ Drive Selects Factory use only ÄÙ ³ ³ ³ ³ Terminator (connected on Binary Coded ³ ³ ³ ³ last drive in daisy chain) Sectors ³ ³ ³ ÀÄ Factory use only ÍÍÍÍÍÍÍÍÍÍÍØÍØÍØÍÍ 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)