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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1996
ST-19171N Ultra-SCSI (Barracuda 9)
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º REAR VIEW º (ST-19171N)
ÈÍÍÍÍÍÍÍÍÍÍͼ
50 pin I/O Cable Connection
³
J1ÕÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ1¸ /ÄÄÄÄÄÄÄÄÄ\ TOP (HDA)
͵:::::::::::::::::::::::::ÆÍ³ 0 0 0 0 ³ÍÍ
ÔÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ; ÀÄ5ÄGÄGÄ12Ù BOTTOM
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º SIDE VIEW º (ST-19171N)
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FRONT TOP (HDA) J2 87654321 Õ͸
OF ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍ͵J1 Cable
DRIVE BOTTOM :::::::: Ô;
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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
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³ Termination Power-source Table ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
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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
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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-19171N)
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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-19171N
UNFORMATTED CAPACITY (MB) ________________11700
FORMATTED CAPACITY (MB) __________________9100
AVERAGE SECTORS PER TRACK ________________168 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________105,480
CYLINDERS ________________________________5,274 user
HEADS ______PHYSICAL______________________20
DISCS (3.5 in) ___________________________11
MEDIA TYPE _______________________________THIN FILM/MR
RECORDING METHOD _________________________PRML (0,4,4)
INTERNAL TRANSFER RATE (mbits/sec)________80 to 124
EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync
SPINDLE SPEED (RPM) ______________________7,200
AVERAGE LATENCY (mSEC) ___________________4.17
BUFFER (/optional)________________________512/2048 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________Ultra-SCSI
ASA II, SCAM level 2
BYTES PER TRACK (avg unformatted) ________102.000
SECTORS PER DRIVE ________________________17,773,440
TPI (TRACKS PER INCH) ____________________5555
BPI (KBITS PER INCH) _____________________91.5 to 124.5
AVERAGE ACCESS (ms) (read/write)__________9.7/10.7
Drive level with controller overhead
SINGLE TRACK SEEK (ms) ___________________0.8/1.4
MAX FULL SEEK (ms) _______________________19.2/20.2
MTBF (power-on hours) ____________________1,000,000
SHOCK (G's, 11/2 ms):
operating (Read/Write) __________2
abnormal ________________________10
nonoperating ____________________50/100
ACOUSTICS (Bels typical, sound power) ____4.6
POWER DISSIPATION (watts/BTUs) Active ____14.7/50
Idle ______13/44
POWER REQUIREMENTS: +12V START-UP (amps) _2.18
+12V TYPICAL (amps) __0.73 idle
+5V START-UP (amps) __0.92
+5V TYPICAL (amps) ___0.84 idle
IDLE (watts) _________12.4
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.62/41.1
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.75/146.1
Weight (lbs/kg): 2.3/1.04
Already low-level formatted at the factory with 16 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. (01/11/98)
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