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-177N SCSI /컴커 � O �12 � O 쿒 � O 쿒 o o o o o � O �5 o o o o o \컴켸 袴佶佶佶佶佶袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴 1 2 4 � P ........................1 읕탠� � � �.........................� � � � 旼컴컴�1旼컴컴�1旼컴컴�1 � � � 읕컴컴켸읕컴컴켸읕컴컴켸 � � � � Resistor Termination Packs � � � � � 읕 Parity Check enable � 읕컴 Not Used 읕컴컴컴 Drive ID's, ID 0 (none) for single drive system ST - 177N UNFORMATTED CAPACITY (MB) ________________N/A FORMATTED CAPACITY (26 SECTORS) (MB) _____60.8 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________4,606 CYLINDERS ________________________________921 HEADS ____________________________________5 DISCS ____________________________________3 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________RLL TRANSFER RATE (mbits/sec) ________________7.5 SPINDLE SPEED (RPM) ______________________3,600 INTERFACE ________________________________SCSI TPI (TRACKS PER INCH) ____________________1,300 BPI (BITS PER INCH) ______________________19,893 AVERAGE ACCESS (ms) ______________________20 SINGLE TRACK SEEK (ms) ___________________8 MTBF (power-on hours) ____________________150,000 POWER REQUIREMENTS: +12V START-UP (amps) _2.0 +12V TYPICAL (amps) __0.5 +5V TYPICAL (amps) ___0.6 TYPICAL (watts) ______9 MAXIMUM (watts) ______27 BUFFERED STEP PULSE RATE (micro sec) _____3-200 WRITE PRECOMP (cyl) ______________________N/A (922) REDUCED WRITE CURRENT (cyl) ______________N/A (922) LANDING ZONE (cyl)________________________AUTO PARK IBM AT DRIVE TYPE ________________________0 or NONE Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)