SEAGATE TECHNOLOGY, INC. Technical Support Bulletin Board 408/438-8771 [300-9600 HST, MNP 3/5, N-8-1] (C)opyright 1990 Swift AT (IDE) ST-1239A (94354-239 or 230) ΪΔΔΔ\ ³ O ³ 5 ³ O ³ G ΪΔΏ Some have ³ O ³ G AT (IDE) Cable ³ ΓΔ these pins ³ O ³ 12 1Ϊ........................Ώ o o o o o(o o) 6 is OFF ΐΔΔΔ/ ........................ o o o o o(o o) 7 is ON ΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ 1 2 3 4 5 6 7 ON OFF ³ ³ ³ ³ ³ ΐΒΩ 1 Slave Master ΔΔΩ ³ ³ ³ ³ ³ 2 5 Heads 7/9 Heads ΔΔΔΔΩ ³ ³ ³ ³ 3 Slave installed Slave not inst. ΔΔΔΔΔΔΩ ³ ³ ³ 4 7 byte ECC 4 byte ECC ΔΔΔΔΔΔΔΔΩ ³ ³ 5 Factory test Normal Oper. ΔΔΔΔΔΔΔΔΔΔΩ ³ 6/7 Some PWA's have these pins, factory use ΔΔΔΔΔΔΔΩ ST-1239A 94354-239 or 230 Swift UNFORMATTED CAPACITY (MB) ________________239 FORMATTED CAPACITY (36 SECTORS) (MB) _____211 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________11,448 CYLINDERS ________________________________1,272 HEADS ____________________________________9 DISCS ____________________________________5 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________RLL TRANSFER RATE (mbytes/sec) _______________1.25 INTERFACE ________________________________AT BUS TPI (TRACKS PER INCH) ____________________1,543 BPI (BITS PER INCH) ______________________28,103 AVERAGE ACCESS (ms) ______________________15 SINGLE TRACK SEEK (ms) ___________________4 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _2.5 +12V TYPICAL (amps) __0.7 +5V START-UP (amps) __0.75 +5V TYPICAL (amps) ___0.4 TYPICAL (watts) ______11 MAXIMUM (watts) ______33.75 BUFFERED STEP PULSE RATE (micro sec) _____6-200 WRITE PRECOMP (cyl) ______________________N/A (1273) REDUCED WRITE CURRENT (cyl) ______________N/A (1273) 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. Possible Translation: 954 cyl, 12 heads, 36 sectors = 211,009,536 Possible Translation: 636 cyl, 12 heads, 54 sectors = 211,009,536 Possible Translation: 848 cyl, 9 heads, 54 sectors = 211,009,536 Possible Translation: 990 cyl, 16 heads, 26 sectors = 210,862,080 PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION !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. Swift Remote LED Option Front View of Drive Without the Plastic Bezel ΪΔΔΔΒΔΔΔΏ ³ A ³ B ³ B = Anode ΓΔΔΔΕΔΔΔ΄ D = Cathode ³ C ³ D ³ ...ΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΟΝΝΝΟΝΝΝΟΝΝΝΝΝPΝWΝAΝΝΝ... ψ Default jumper at C-D for LED mounted on drive PWA ψ To use remote LED, remove jumper and extend B (Anode) and D (Cathode). ψ Swift LED kit 75912397 allows connection to a remote LED ψ Swift LED kit 95913369 has an LED for attachment to the system front bezel or a 5.25-inch frame kit Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)