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-43401N/ND Elite 3 SCSI-2 Fast Wide /------ Write Protect option enable | /--- Not used | | /- Master off/Slave on - Spindle Sync | | | /--------- Terminator Power Source (see below)--\ | | |J4A | / Terminators (SIP on single, | /+ /| +\ J01| | DIP on differential) | |o oo o| J7 /--|--\ +-----+-----\ J4B | |o oo o|o o o o o o-a-o-o|4o|o3|/#===1/====1/====1 Power o o o o | \------/o o o o o o-b-o-o|2o o1|___________________ /12-G-G-5-\ o o o o | =P=W=A==#=#=#=#=#=|=^=|=|#=====( ×××××××××××××××××1)==# 0 0 0 0 #=#=#=#=#== | 8 4 2 1 | | | | | \------------|----/ \---------/ | | | | | ----+-- | | | | SCSI Cable Connector | | | | | | | | | | | 68-pin | | | | | SCSI ID ----/ | | | | | | | | | Motor ---------/ | | | | Spinup Delay (10 secs * ID) -/ | | | | /Ground ----------/ | | Motor Start option enable ---/ | | | |Key (no pin) ------/ | | Parity enable -----/ | | |Spindle Sync (SSCLK-)/ | Sweep Cycle enable -------/ | +Spindle Sync (SSCLK+)--/ | \- port a and b (horizontal) | | #==================================# | | 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. | \----------------------------------------------------------------------/ T-RES descriptions: ST43401N 3 SIPs ST43401ND 3 DIPs ST-43401N/ND Elite 3 UNFORMATTED CAPACITY _____________________3,554,871,600 FORMATTED CAPACITY (512 byte blk) ________2,912,484,864 AVERAGE SECTORS PER TRACK ________________99 (rounded down) ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________57,435 CYLINDERS ________________________________2,738/2,735 (user) HEADS ____________________________________21 DISCS (5.25 in) __________________________11 MEDIA TYPE _______________________________THIN FILM HEAD TYPE ________________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (mbits/sec) _______35-52 INTERNAL TRANSFER RATE AVG (mbyte/sec) ___6.0 EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync. SPINDLE SPEED (RPM) ______________________5,400 AVERAGE LATENCY (mSEC) ___________________5.55 COMMAND OVERHEAD (mSEC) __________________<0.5 BUFFER ___________________________________512 Kbyte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 FAST Wide BYTES PER TRACK __________________________49,000-72,800 SECTORS PER DRIVE ________________________5,696,655 BYTES PER CYLINDER _______________________1,058,400 to 1,587,600 TPI (TRACKS PER INCH) ____________________ BPI (BITS PER INCH) ______________________ AVERAGE ACCESS (ms) read/write ___________10/11 SINGLE TRACK SEEK (ms) read/write ________0.9/1.7 MAX FULL SEEK (ms) read/write ____________22.5/23.5 MTBF (power-on hours) Class A Room _______300,000 MTBF (power-on hours) Office _____________200,000 POWER DISSIPATION (watts) ________________ POWER REQUIREMENTS: Single-ended/Differential +12V START-UP (amps) _3.98/4.60 +12V TYPICAL (amps) __1.90/1.88 +5V START-UP (amps) __2.37/3.48 +5V TYPICAL (amps) ___1.96/2.77 TYPICAL ( watts seek/read)_32.60/36.41 IDLE (watts) ______________28.34/31.81 USER MANUAL PART NUMBER __________________83327630 OTHER ____________________________________ Synchronized Spindles, Sweep Cycle Capability ** Already low-level formatted at the factory with six 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. (08/08/94)