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 1994 ST-15230N SCSI-2 Fast (Hawk 4) �袴袴袴袴袴敲 � REAR VIEW � (ST-15230N only) 훤袴袴袴袴袴� 50 pin I/O Cable Connection � J1郞袴袴袴袴袴袴袴袴袴袴袴�1� /컴컴컴컴�\ TOP (HDA) 孤:::::::::::::::::::::::::팠� 0 0 0 0 넌� 突袴袴袴袴袴袴袴袴袴袴袴袴� 읕5횳횳�12� BOTTOM �袴袴袴袴袴敲 � REAR VIEW � (ST-15230NC only) 훤袴袴袴袴袴� 80 pin I/O and DC Power Connection � J1 /컴컴냐컴컴컴컴컴컴컴\ TOP (HDA) 袴袴袴袴袴/ 利利利利利利利利利利 \袴袴袴袴袴 (\�1컴컴컴컴컴컴컴컴컴40/) BOTTOM Notes on 80 pin I/O connector: pins 1 - 4 = +12v 41 - 44 = 12v GND 34 - 36 = +5v 74 - 76 = 5v GND 37 = SYNC 77 = LEDC 38 = MTRON 78 = DLYDST 39 = SCSIA0 79 = SCSIA1 40 = SCSIA2 80 = SCSIA3 Mating NC connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin 2-557101-1 right angle to PCB �袴袴袴袴袴袴袴袴敲 � RIGHT SIDE VIEW � (Both ST-15230N and ST-15230NC) 훤袴袴袴袴袴袴袴袴� BACK 郞� J2 12345678 TOP (HDA) FRONT OF J1팠袴袴袴袴袴袴袴袴袴袴�P�W�A袴袴袴袴袴袴袴袴袴袴袴� OF DRIVE 突� :::::::: BOTTOM DRIVE 납납납납 쿟erminator Power 冒납납냅 Enable T-Res 渼Terminator Power 켸납납읕 Start Delay (12 secs * ID) � Reserved 컴冒냅컴 Motor Start � Parity Enable 컴켸읕컴 Write Protect � � � 旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 읕� Termination Power-source Table � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴커 넌袴袴....袴袴�....袴袴�PWA edge袴袴� � � � � 1 2 1 2 1 2 � � 靈� 靈� A Drive Supplies Bus � � 빗빗 編編 廖퀑� B Drive Supplies Own � � 度쏵 咆鞭 度 鞭 C Bus Supplies Drive � � A B C � 읕컴컴컴컴Default컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� �袴袴袴袴袴袴袴袴� � LEFT SIDE VIEW � (ST-15230N only) 훤袴袴袴袴袴袴袴暠 If these ID jumpers are used, then ID jumpers shown in front view ARE NOT USED. FRONT TOP (HDA) J5 郞�1� 郞퇑ACK OF 袴袴袴袴P�W�A袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴孤:::팠킞1 OF DRIVE BOTTOM 突袴� 突퐻RIVE 납� ID 1 켸냅� ID 4 ID 2 �袴袴袴袴袴袴� � FRONT VIEW � (Both ST-15230N and ST-15230NC) 훤袴袴袴袴袴暠 旼캑Reserved. Shipped with cover installed. � 픁o not remove. Do not install jumpers TOP (HDA) 凉袴拷 1 袴P�W�A袴袴袴袴袴袴袴袴袴袴孤::::�::::::팠� * BOTTOM 突袴槁123456 � J6 납납납 LED 켸 납납납 ID 4 冒납냅 Reserved ID 2 켸납읕 Remote LED (pin-3 +5v) ID 1 컴牡컴 Spindle Synchronization (pin-6 REF SIG+, default If these ID jumper are used, then jumper installed) ID jumpers shown in left side view J5 or 80 pin I/O cable ARE NOT USED. ST-15230N Hawk 4 UNFORMATTED CAPACITY (MB) ________________5170 FORMATTED CAPACITY (xx SECTORS) (MB) _____4294 AVERAGE SECTORS PER TRACK ________________111 ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________75,848 CYLINDERS ________________________________3,992 user HEADS ______PHYSICAL______________________19 DISCS (3.5 in) ___________________________10 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (mbits/sec)________33.9 to 61.0 EXTERNAL TRANSFER RATE (mbyte/sec) _______5.2 Async EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync SPINDLE SPEED (RPM) ______________________5,411 AVERAGE LATENCY (mSEC) ___________________5.54 BUFFER ___________________________________512/2048 KByte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 FAST SECTORS PER DRIVE ________________________ TPI (TRACKS PER INCH) ____________________4200 AVERAGE ACCESS (ms) (read/write)__________10.4/11.4 Includes controller overhead SINGLE TRACK SEEK (ms) ___________________2.1 MAX FULL SEEK (ms) _______________________20.6 MTBF (power-on hours) ____________________800,000 SHOCK (G's): operating (Read/Write) __________10 nonoperating ____________________60 ACOUSTICS (typ/max dBA) __________________ POWER REQUIREMENTS: +12V START-UP (amps) _2.4 +12V TYPICAL (amps) __0.54 +5V START-UP (amps) __0.61 +5V TYPICAL (amps) ___0.36 TYPICAL (watts) ______9 MAXIMUM (watts) ______11 LANDING ZONE (cyl) _______________________AUTO PARK IBM AT DRIVE TYPE ________________________0 or NONE Physical: Height (inches/mm): 1.62/41.1 Width (inches/mm): 4.00/101.6 Depth (inches/mm): 5.74/145.8 Weight (lbs/kg): 2.1/0.93 Already low-level formatted at the factory with twelve spare sectors per cylinder (all twelve spare sectors are on one track) and two spare cylinders/unit. ZBR = Zone Bit Recording = Variable sectors per track Seagate reserves the right to change, without notice, product offerings or specifications. (08/26/94)