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version of this specification with the linedraw characters
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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1995
ST-32171N Ultra-SCSI (Barracuda 4LP)
ÉÍÍÍÍÍÍÍÍÍÍÍ»
º REAR VIEW º (ST-32171N)
ÈÍÍÍÍÍÍÍÍÍÍͼ
50 pin I/O Cable Connection
³
J1ÕÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ1¸ /ÄÄÄÄÄÄÄÄÄ\ TOP (HDA)
͵:::::::::::::::::::::::::Æͳ 0 0 0 0 ³ÍÍ
ÔÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ; ÀÄ5ÄGÄGÄ12Ù BOTTOM
ÉÍÍÍÍÍÍÍÍÍÍÍ»
º SIDE VIEW º (ST-32171N)
ÈÍÍÍÍÍÍÍÍÍÍͼ
FRONT TOP (HDA) J2 87654321 Õ͸
OF ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍ͵J1
DRIVE BOTTOM :::::::: Ô;
³³³³³³³³
Enable T-Res (N model only) Ù³³³³³³À Terminator Power³
Start Delay (12 secs * ID) ÄÙ³³³³ÀÄ Terminator Powerÿ
Motor Start ÄÄÙ³³ÀÄÄ Reserved ³
Write Protect ÄÄÄÙÀÄÄÄ Parity Disable ³
³
ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³
³ Termination Power-source Table ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
³ ÍÍÍÍÍ....ÍÍÍÍÍ....ÍÍÍÍÍPWA edgeÍÍÍÍͳ
³ 2 1 2 1 2 1 ³
³ A Drive Supplies Bus ÖÄ· ÖÄ· ³
³ B Drive Supplies Own øºøº ºøºø ÖøÄø· ³
³ C Bus Supplies Drive øÓø½ Óø½ø ÓøÄø½ ³
³ A+B is valid A B C ³
ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄDefaultÄÄÄÄÄÄÄÄÄÙ
Note: ND drives do not have internal terminators or any other
way of adding internal terminators to the drive; use
external active termination if required.
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º FRONT VIEW º (ST-32171N)
ÈÍÍÍÍÍÍÍÍÍÍÍͼ
ÚÄÄ´Reserved. Shipped with cover installed.
³ ÀDo not remove. Do not install jumpers
TOP (HDA) ÕØÍÍ͸ 1
ÍÍPÍWÍAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵::::³::::::ÆÍÍ
* BOTTOM ÔÍÍÍ;123456
³ J6 ³³³³³³
LED ÄÙ ³³³³³³
Remote LED Ù³³³³À ID 1
(pin-11 +5v) ³³³ÀÄ ID 2
Reserved ÄÁÙÀÄÄ ID 4
ST-32171N
FORMATTED CAPACITY (GB) __________________2.16
AVERAGE SECTORS PER TRACK ________________163 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________25,890
CYLINDERS ________________________________5,178 user
HEADS ______PHYSICAL______________________5
DISCS (3.5 in) ___________________________3
MEDIA TYPE _______________________________THIN FILM/MR
RECORDING METHOD _________________________ZBR PRML (0,4,4)
INTERNAL TRANSFER RATE (mbits/sec)________80 to 122
EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync
SPINDLE SPEED (RPM) ______________________7,200
AVERAGE LATENCY (mSEC) ___________________4.17
BUFFER ___________________________________512 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________Ultra SCSI
ASA II, SCAM level 2
BYTES PER TRACK __________________________102,500 average
SECTORS PER DRIVE ________________________
TPI (TRACKS PER INCH) ____________________5,555
BPI (PEAK KBITS PER INCH) ________________123
AVERAGE ACCESS (ms read/write)____________9.4/10.4
Drive level with controller overhead
SINGLE TRACK SEEK (ms read/write) ________2.0/2.1
MAX FULL SEEK (ms read/write) ____________17.5/18.5
MTBF (power-on hours) ____________________1,000,000
ACOUSTICS (Bels typical, sound power) ____4.2
POWER DISSIPATION (watts/BTUs) Active ____12.9/44
Idle ______8.8/30
POWER REQUIREMENTS: +12V START-UP (amps) _2.00
+12V TYPICAL (amps) __0.52 idle
+5V START-UP (amps) __0.78
+5V TYPICAL (amps) ___0.46 idle
IDLE (watts) _________10
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.0/25.4
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.47/146
Weight (lbs/kg): 1.5/0.68
Already low-level formatted at the factory with 80 spare sectors at
the end of each 8 cylinder region.
ZBR = Zone Bit Recording = Variable sectors per track
Seagate reserves the right to change, without notice, product
offerings or specifications. (07/28/97)
A copy of this specification file may be obtained
by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st32171n.txt.
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