SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) /----------------------------------+---------------------------------\ | United States +1 408 438-8771 | United Kingdom +44 628 478011 | +----------------------------------+---------------------------------| | Germany +49 89 140-9331 | Singapore +65 227-2217 | \----------------------------------+---------------------------------/ (C)opyright 1993 ST-11200N SCSI-2 Fast (Hawk 1) +===========+ # REAR VIEW # +===========+ 50 pin I/O Cable Connection | J1#========================1# /---------\ TOP (HDA) =#:::::::::::::::::::::::::#=| 0 0 0 0 |== \=========================/ \-5-G-G-12/ BOTTOM 1------\ 1------\ 1------\ \------/ \---+--/ \------/ \Terminating Resistors/ +=================+ # RIGHT SIDE VIEW # +=================+ BACK #=# J2 12345678 TOP (HDA) FRONT OF J1#======================P=W=A======================= OF DRIVE \=/ :::::::: BOTTOM DRIVE |||||||| |Terminator Power /||||||\ Reserved /|Terminator Power -/||||\- Start Delay (12 secs * ID) | Factory Use --/||\-- Motor Start | Parity Enable ---/\--- Write Protect | | | /--------------------------------\ \-| Termination Power-source Table | +--------------------------------+-------------\ |=====....=====....=====PWA edge===== | | | | 1 2 1 2 1 2 | | #-# #-# #---# A Drive Supplies Bus | | #o#o o#o# #o-o# B Drive Supplies Own | | #o#o o#o# o o C Bus Supplies Drive | | A B C | \---------Default------------------------------/ +================+ # LEFT SIDE VIEW # +================+ If these ID jumpers are used, then ID jumpers shown in front view ARE NOT USED. FRONT TOP (HDA) J5 #==1# #=#BACK OF ========P=W=A===============================#:::#=#J1 OF DRIVE BOTTOM \===/ \=/DRIVE ||| Note: On early drives | ID 1 -/|\- ID 4 with PCB# 75782395 or | ID 2 #75782485 ID jumpers are+-- ID 4 ID 1 reversed. | +============+ # FRONT VIEW # +============+ TOP (HDA) J6 #=====1# ==P=W=A==========================#::::::#= * BOTTOM \======/ | 123456 LED -/ |||||| ID 4 /||||\ Reserved ID 2 -/||\- Remote LED (pin-3 +5v) ID 1 --/\-- Spindle Synchronization (pin-6 REF SIG+) If these ID jumper are used, then ID jumpers shown in left side view ARE NOT USED. ST - 11200N Hawk 1 UNFORMATTED CAPACITY (MB) ________________1,248 FORMATTED CAPACITY (xx SECTORS) (MB) _____1,054 AVERAGE SECTORS PER TRACK ________________73 ACTUATOR TYPE ____________________________VOICE COIL TRACKS ___________________________________28,080 CYLINDERS ________________________________1,872 (user) HEADS ____________________________________15 DISCS (3.5 in) ___________________________8 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (mbits/sec) _______23.2 to 40.6 EXTERNAL TRANSFER RATE (mbyte/sec) _______4 Async EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync SPINDLE SPEED (RPM) ______________________5,411 AVERAGE LATENCY (mSEC) ___________________5.4 BUFFER ___________________________________256 Kbyte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 Fast BYTES PER TRACK __________________________41,660 avg. SECTORS PER DRIVE ________________________2,059,139 TPI (TRACKS PER INCH) ____________________2,150 AVERAGE ACCESS (ms) (read/write)__________10.5/11.2 Drive level without controller overhead SINGLE TRACK SEEK (ms) ___________________1.5/2.0 MAX FULL SEEK (ms) _______________________20.0/21.0 MTBF (power-on hours) ____________________200,000 POWER REQUIREMENTS: +12V START-UP (amps) _2.0 +12V TYPICAL (amps) __0.5 +5V TYPICAL (amps) ___0.4 TYPICAL (watts) ______11 IDLE (watts) _________9 LANDING ZONE (cyl)________________________AUTO PARK IBM AT DRIVE TYPE ________________________0 or NONE Already low-level formatted at the factory. ZBR = Zone Bit Recording = Variable sectors per track Formatted at the factory with 12 spare sectors per cylinder and two spare cylinders at inner tracks per unit. Seagate reserves the right to change, without notice, product offerings or specifications. (08/09/94)