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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1997
ST-39173N Ultra-SCSI (Barracuda 9LP)
+-----------+
| REAR VIEW | (ST-39173N)
+-----------+
50 pin I/O Cable Connection
|
J1+------------------------1+ /---------\ TOP (HDA)
-+:::::::::::::::::::::::::+-| 0 0 0 0 |--
+-------------------------+ +-5-G-G-12+ BOTTOM
+-----------+
| SIDE VIEW | (ST-39173N)
+-----------+
FRONT TOP (HDA) J2 87654321 +-+
OF ---------------------------------P-W-A------+J1
DRIVE BOTTOM :::::::: +-+
||||||||
Enable T-Res (N model only) +||||||+ Terminator Power|
Start Delay (12 secs * ID) -+||||+- Terminator Power++
Motor Start --+||+-- Reserved |
Write Protect ---++--- Parity Disable |
|
+--------------------------------+ |
| Termination Power-source Table +------------------+
+--------------------------------+-------------+
| -----....-----....-----PWA edge-----|
| 2 1 2 1 2 1 |
| A Drive Supplies Bus +-+ +-+ |
| B Drive Supplies Own °|°| |°|° +°-°+ |
| C Bus Supplies Drive °+°+ +°+° +°-°+ |
| A+B is valid A B C |
+------------------------------Default---------+
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.
+------------+
| FRONT VIEW | (ST-39173N)
+------------+
+--+Reserved. Shipped with cover installed.
| +Do not remove. Do not install jumpers
TOP (HDA) ++---+ 1
--P-W-A---------------------+::::|::::::+--
* BOTTOM +----+123456
| J6 ||||||
LED -+ ||||||
Remote LED +||||+ ID 1
(pin-11 +5v) |||+- ID 2
Reserved -+++-- ID 4
ST-39173N
FORMATTED CAPACITY (GB) __________________9.105
AVERAGE SECTORS PER TRACK ________________237 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________75,010
CYLINDERS ________________________________7,501 user
HEADS ______PHYSICAL______________________10
DISCS (3.5 in) ___________________________5
MEDIA TYPE _______________________________THIN FILM/MR
RECORDING METHOD _________________________EPR4 16/17
INTERNAL TRANSFER RATE (mbits/sec)________120 to 190
EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync
SPINDLE SPEED (RPM) ______________________7,200
AVERAGE LATENCY (mSEC) ___________________4.17
BUFFER (/optional)________________________512/1024 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________Ultra SCSI
ASA II, SCAM level 2 (1 default)
BYTES PER TRACK __________________________155,000 average
SECTORS PER DRIVE ________________________17,783,240
TPI (TRACKS PER INCH) ____________________8,250
BPI (PEAK KBITS PER INCH) ________________180
AVERAGE ACCESS (ms read/write)____________7.4/8.2
Drive level with controller overhead
SINGLE TRACK SEEK (ms read/write) ________1.1/1.4
MAX FULL SEEK (ms read/write) ____________16/18
MTBF (power-on hours) ____________________1,000,000
SHOCK (G's, 11/2 ms):
operating (Read/Write) __________5
abnormal ________________________10
nonoperating ____________________75/135
ACOUSTICS (Bels typical, sound power) ____4.2
POWER DISSIPATION (watts/BTUs) Active ____16.05/54.8
Idle ______9.75/33.3
POWER REQUIREMENTS: +12V START-UP (amps) _1.7
+12V TYPICAL (amps) __0.5 idle
+5V START-UP (amps) __1.2
+5V TYPICAL (amps) ___0.75 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): 1.3/0.589
Already low-level formatted at the factory with x spare sectors at
the end of each x cylinder region.
ZBR = Zone Bit Recording = Variable sectors per track
Seagate reserves the right to change, without notice, product
offerings or specifications. (04/15/98)
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