SEAGATE TECHNOLOGY, INC. Technical Support Bulletin Board 408/438-8771 [300-9600 HST, MNP 3/5, N-8-1] (C)opyright 1990 ST-1144A ÍÍÍPWAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ Ú....................¿ /ÄÄÄÄÄÄÄÄÄ\ .................... ³ O O O O ³ 1 o o 2 ÄÄÄÄÄÄÄÄ¿ À Cable Connector ÀÄ5ÄGÄGÄ12Ù 3 o o 4 ÄÄÄÄÄÄ¿ ³ 5 o o 6 ÄÄÄÄ¿ ³ ³ 7 o o 8 ÄÄ¿ ³ ³ ³ 9 o o 10 ¿ ³ ³ ³ ³ ³ ³ ³ ³ ÀÄÄ Life-Test (Factory use) ³ ³ ³ ÀÄÄÄÄ Master on (Slave off) ³ ³ ÀÄÄÄÄÄÄ Slave Present (Drive 1 in 2-Drive System) ³ ÀÄÄÄÄÄÄÄÄ Reserved ÀÄÄÄÄÄÄÄÄÄÄ Remote LED ST-1144A UNFORMATTED CAPACITY (MB) ________________N/A FORMATTED CAPACITY (xx/17 SECTORS) (MB) __124.7 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________14,336 CYLINDERS __PHYSICAL/LOGICAL______________NA/1,024 HEADS ______PHYSICAL/LOGICAL______________7/14 DISCS ____________________________________4 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________RLL ZBR TRANSFER RATE INTERNAL (mbits/sec) _______8.2/10/12 INTERFACE ________________________________AT BUS TPI (TRACKS PER INCH) ____________________1,300 BPI (BITS PER INCH) ______________________21,600 AVERAGE ACCESS (ms) ______________________18 SINGLE TRACK SEEK (ms) ___________________6 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _2.0 +12V TYPICAL (amps) __0.7 +5V START-UP (amps) __0.63 +5V TYPICAL (amps) ___0.4 TYPICAL (watts) ______8 MAXIMUM (watts) ______ BUFFERED STEP PULSE RATE (micro sec) _____ WRITE PRECOMP (cyl) ______________________N/A (1024) REDUCED WRITE CURRENT (cyl) ______________N/A (1024) LANDING ZONE (cyl) _______________________AUTO PARK IBM AT DRIVE TYPE ________________________* * MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE. ALSO, CHECK TO SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE. (see below) Possible translation: 1024 cyl, 14 heads, 17 sectors = 124,780,544 Possible translation: 1001 cyl, 15 heads, 17 sectors = 130,690,560 PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION ZBR = Zone Bit Recording = Variable sectors per track !WARNING! - Already low-level formatted at the factory. Since a User-definable or Custom translation geometry may be used, it is imperative that the values be written down and kept with your permanent records for retrieval in the event of CMOS battery failure. Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)