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-410800N Elite 9 Fast SCSI-2 /- Terminator Power Source (see below)--\ 4o|o3 | J4A 2o o1 J4B | o o o o o o A R o o Power o o o o | o o o o o o g F o o #=========================# /12-G-G-5-\ o o o o | =#=#=#=#=#=#==#=#=#==#=#::::::::::::::::::::::::1#=# 0 0 0 0 #=#=#=#=#== | | 4 2 1 | | +-/ | | \=========================/ \---------/ | | | | | | --+-- | | | | | SCSI Cable Connector | | | | | | | | | | | | | | | | | | | | | | | \-- Spindle Synch Cable Connector | | | | | | | | | | | (top pin: SSREF, bottom: ground) | | | | | | | | | | \----- Terminator Enable | | | | | | | | | \--------- LED Connection (g: ground pin) | | | | | | | | | Activity (A-G) | | | | | | | | | Ready (R-G) | | | | | | | | | Fault (F-G) | | | | | | | | \- Reserved | | | | | | | \--- Write Protect Enable Spinup Delay -/ | | | | | \------- SCSI ID (10 secs * ID) | | | | \----------- Reserved Motor Start option enable ---/ | | | Parity check DISable -----/ | | Reserved -------/ | #==================================# | | Terminator Power Source Options +----------------------------------------/ +----------------------------------+-----------------------------------\ | 2 & 4 - Initiator supplies power over the SCSI Bus for terminators. | | Drive supplies no terminator power. | | 1 & 2 - Drive supplies power for its own terminator resistor-paks | | but not to SCSI Bus. This is the factory setting. | | 1 & 3 | | AND - Drive supplies power for external terminator at end of the | | 2 & 4 daisy chain. Terminator resistor-paks must be removed. | | This option is recommended only for last drive on daisy | | chain. | \----------------------------------------------------------------------/ ST410800ND drives are shipped without terminators and have empty terminator sockets on the PCB. You must provide termination resistors for these drives. ST-410800N Elite 9 UNFORMATTED CAPACITY _____________________10,800 FORMATTED CAPACITY (512 byte blk) ________9,090 AVERAGE SECTORS PER TRACK ________________133 (rounded down) ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________132,975 CYLINDERS ________________________________4925 HEADS ____________________________________27 DISCS (5.25 in) __________________________14 MEDIA TYPE _______________________________THIN FILM HEAD TYPE ________________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (mbits/sec) _______44-65 INTERNAL TRANSFER RATE AVG (mbyte/sec) ___7.2 EXTERNAL TRANSFER RATE (mbyte/sec) _______10 (burst) SPINDLE SPEED (RPM) ______________________5,400 AVERAGE LATENCY (mSEC) ___________________5.55 COMMAND OVERHEAD (mSEC) __________________<0.5 BUFFER ___________________________________1024 Kbyte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 FAST ASA BYTES PER TRACK __________________________63,000-91,000 SECTORS PER DRIVE ________________________17,845,731 BYTES PER CYLINDER _______________________1,058,400 to 1,587,600 TPI (TRACKS PER INCH) ____________________3,921 BPI (BITS PER INCH) ______________________ AVERAGE ACCESS (ms) read/write ___________11/12 SINGLE TRACK SEEK (ms) read/write ________0.9/1.7 MAX FULL SEEK (ms) read/write ____________23/24 MTBF (power-on hours) Class A Room _______NA MTBF (power-on hours) Office _____________500,000 POWER DISSIPATION (watts/BTUs) Active ____25/85 Idle ______22/75 POWER REQUIREMENTS: Single-ended/Differential +12V START-UP (amps) _4.8/4.8 +12V TYPICAL (amps) __1.57/1.57 +5V START-UP (amps) __0.98/1.0 +5V TYPICAL (amps) ___0.665/0.71 TYPICAL ( watts seek/read)_32.60/36.41 IDLE (watts) ______________28.34/31.81 USER MANUAL PART NUMBER __________________ ** Already low-level formatted at the factory with nine spare sectors per cylinder, one spare cylinders/unit, one system cylinder/unit, and one diagnostic cylinder/unit. Physical: Height (inches/mm): 3.25/82.6 Width (inches/mm): 5.75/146.1 Depth (inches/mm): 8.0/203 Weight (lbs/kg): 7.8/3.6 Seagate reserves the right to change, without notice, product offerings or specifications. (03/24/94)