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-15150N SCSI-2 Fast (Barracuda 4) +===========+ J01-----\ 1-\ -------J4-1--------------\ # REAR VIEW # (see /-|\ |"| | +===========+ below)\--/ |"| | |"|J4 1-11 | |"|(see detail below) | |"| | (TOP) \"/-J4-11\ | #==========================/=========\ | | =#::::::::::::::::::::::::1#| 0 0 0 0 #= | | \======================|==#\-5-G-G-12/ | 5 1 50 pin I/O Cable Connection-/ : : : : : : : : : : : | | | | | | | | 6 | 2 SCSI ID = 0 (none) | | | | | | | | | | | SCSI ID = 4 -------/ | | | | | | | | | | SCSI ID = 2 ---------/ | | | | | | | | | SCSI ID = 1 -----------/ | | | | | | | | Reserved (default OFF) --------/ | | | | | | | Parity Disable ------------------/ | | | | | | Enable Motor Start ----------------/ | | | | | Delay Motor Start (10 sec * ID) -----/ | | | | Write Protect Enable ------------------/ | | | Remote LED Connector --------------------/ | | [pin-5 cathode (neg), pin-6 anode (pos)] | | Reserved (default OFF) --------------------/ | Spindle Synch Cable Connector ---------------/ (pin-1 SSREF, pin-2 ground) /- ST-15150N only ------------------------\ | J01 - Terminator Power 2x3 jumper block | \-----------------------------------------/ 2#=# Enable Drive Terminators |o|o o 1\o/o o Terminator power from the drive. #===# (default) o\o=o/ 1o o o Terminator power from pin 26 on the #=# SCSI bus. o o|o| 1o o\o/ Terminator to the SCSI bus on pin 26. #=# o|o|o 1o\o/o Terminator power to the SCSI bus and #===# drive. o|o|o| 1o\o#o/ Note: ST-15150ND (differential model) does not come with any provision to use Termination resistors. Therefore, SCSI bus needs to be externally terminated. /- ST-15150ND only -----------------------\ | J01 - Terminator Power 2x2 jumper block | \-----------------------------------------/ 1#=# 2 Terminator to the SCSI bus on pin 26. |o|o (all other J01 jumper positions are \o/o invalid) ST-15150N UNFORMATTED CAPACITY (MB) ________________5062 FORMATTED CAPACITY (xx SECTORS) (MB) _____4294 AVERAGE SECTORS PER TRACK ________________107 rounded down ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________77,931 CYLINDERS ________________________________3,711 user HEADS ______PHYSICAL______________________21 DISCS (3.5 in) ___________________________11 MEDIA TYPE _______________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (mbits/sec)________47.4 to 71.9 EXTERNAL TRANSFER RATE (mbyte/sec) _______4 Async EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync SPINDLE SPEED (RPM) ______________________7,200 AVERAGE LATENCY (mSEC) ___________________4.17 BUFFER ___________________________________1024 KByte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________SCSI-2 FAST ASA II BYTES PER TRACK __________________________64,773 average SECTORS PER DRIVE ________________________7,812,500 TPI (TRACKS PER INCH) ____________________4,048 BPI (BITS PER INCH) ______________________73,820 AVERAGE ACCESS (ms) (read/write)__________8.0/9.0 Drive level without controller overhead SINGLE TRACK SEEK (ms) ___________________0.6/0.9 MAX FULL SEEK (ms) _______________________17/19 MTBF (power-on hours) ____________________800,000 SHOCK (G's): operating (Read/Write) __________2 nonoperating ____________________50 ACOUSTICS (typ/max dBA) __________________4.7/ POWER REQUIREMENTS: +12V START-UP (amps) _2.18 +12V TYPICAL (amps) __0.83 idle +5V START-UP (amps) __1.0 +5V TYPICAL (amps) ___0.76 idle IDLE (watts) _________14 LANDING ZONE (cyl) _______________________AUTO PARK IBM AT DRIVE TYPE ________________________0 or NONE Physical: Height (inches/mm): 1.63/41.4 Width (inches/mm): 4.00/101.6 Depth (inches/mm): 5.97/151.6 Weight (lbs/kg): 2.3/1.04 Already low-level formatted at the factory with 9 spare sectors per cylinder and 1 spare cylinder per unit. ZBR = Zone Bit Recording = Variable sectors per track Seagate reserves the right to change, without notice, product offerings or specifications. (08/26/94)