SEAGATE TECHNOLOGY, INC. 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-4038 ST412 MFM /�4�3�2�1�\ � O O O O � Power 읕컴컴컴컴� �Data Cable 1 5 G G 12 袴袴袴袴� 袴 袴袴袴袴袴袴袴袴袴袴 袴� 袴袴袴袴袴袴 o o o o o o o o �1 픀ontroller Cable o o o o o o o o 납 Drive Select->1 2 3 4 � � � � 냉� Resistor Termination Pack � � � � � � � 납 � 읓� � � � � 잎 � � � � � � � � � � � � � � � � � � Radial � � � � 읕� Recovery Mode � � � 읕컴� Write Fault � � 읕컴컴� Not Connected � 읕컴컴컴컴 Never Used (Drive Select 3 and 4) � If twisted cable, use Drive Select 2 ST - 4038 UNFORMATTED CAPACITY (MB) ________________38.2 FORMATTED CAPACITY (17 SECTORS) (MB) _____31.9 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________3,665 CYLINDERS ________________________________733 HEADS ____________________________________5 DISCS ____________________________________3 MEDIA TYPE _______________________________OXIDE RECORDING METHOD _________________________MFM TRANSFER RATE (mbits/sec) ________________5.0 INTERFACE ________________________________ST412 TPI (TRACKS PER INCH) ____________________750 BPI (BITS PER INCH) ______________________9,617 AVERAGE ACCESS (ms) ______________________40 SINGLE TRACK SEEK (ms) ___________________8 MTBF (power-on hours) ____________________25,000 POWER REQUIREMENTS: +12V START-UP (amps) _4.0 +12V TYPICAL (amps) __1.5 +5V TYPICAL (amps) ___1.5 TYPICAL (watts) ______25.5 MAXIMUM (watts) ______56 BUFFERED STEP PULSE RATE (micro sec) _____10-70 WRITE PRECOMP (cyl) ______________________300 REDUCED WRITE CURRENT (cyl) ______________N/A (734) LANDING ZONE (cyl)________________________AUTO PARK IBM AT DRIVE TYPE ________________________22, 20 or 8 Seagate reserves the right to change, without notice, product offerings or specifications. (6/26/90)