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-43402ND Dual Port Differential Fast Wide SCSI-2 /----- Not used | /--- Write Protect option enable | | /- Master off/Slave on - Spindle Sync | | | //+\|-|\J4A TOP |oooo o| |oooo o| o-a-o-o Power o o o o \------/ o-b-o-o /12-G-G-5-\ o o o o J4B ==========|=^=|=|====PWA========# 0 0 0 0 #=#=#=#=#======== | | | | \---------/ | | | | | | | | | | | ( \ | | | | Spinup Delay | | | | /) |##\ | | | (10 secs * ID) -/ | | | /##| |##| | | | | Motor Start | | | |##| |##| | | | option enable ---/ | | |##| |##| | | | | Parity Check disable -----/ | |##| |##| | | | Sweep Cycle enable -------/ |##| |##| | | | | |##| |##/ | | \- Spindle Sync (SSCLK+) \##| ( / | | \--- Spindle Sync (SSCLK-) \) Port B | \----- Key (no pin) Port A \------- Ground port a and b (horizontal) /-------+----(top pin-2)- LED 4 | \-(bottom pin-1)- Manual Reset To activate J10 | /--------------------+- Write Protect enable LED features, pin | | \- Write Protect enable is grounded to | | /------------------+- Port B active LED external switch.| | | \- SCSI ID 4 | | | /----------------+- Port A active LED | | | | \- SCSI ID 2 | | | | /--------------+- Ready LED | | | | | \- Self Test | | | | | /------------+- LED 6 (n/a) | | | | | | \- Port B dictates Port A's ID | | | | | | /----------+- Spinup Delay (10 secs * ID) | | | | | | | \- SCSI ID 1 =PWA====== | | | | | | | /--------+- Fault LED | | | | | | | | \- Motor Start Option enable | | | | | | | | /------+- Not assigned J01B | | | | | | | | | \- SCSI ID 8 ( \ /-----\ | | | | | | | | | /-----\ /) |##\ |4o o3| | | | | | | | | | J01A |4o o3| /##| |##| |2o|o1| o o o o o o o o o |2o|o1| |##| |##| | 1 o o o o o o o o J10 | |##| |##| \------------------------------------------| |##| |##| /o /-----GND-------\ | |##| |##| /+o o o o o o o o o o | |##| |##/ | o o 1 o o o o o o o o J9 | \##| ( / | \+/ 8 4 2 1 8 4 2 1 | | \) Port B | | \---+-/ \---+-/ | | Port A | | | | | | |J3| | | \- Port B dictates | Port A -/ | | | Port A's ID | enable | | \----- SCSI ID Port A | Port B ----/ \------------- SCSI ID Port B | enable | | #==================================# | | Terminator Power Source Options J01A & J01B -----/ +----------------------------------+-----------------------------------\ | 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 and supplies own terminator power. | \----------------------------------------------------------------------/ ST-43402ND does not come with any provision to use Termination resistors. Therefore, SCSI bus needs to be externally terminated. ST-43402ND 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 Dual-Port 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)