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ST318451.FC
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2000-06-22
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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 2000
ST-318451FC Fibre Channel FC-AL, Dual Port (Cheetah X15)
╔═══════════╗
║ REAR VIEW ║ ST-318451FC
╚═══════════╝
40 pin I/O and DC Power Wall/bracket Connection
│ Female
J1 /────│─────────\ TOP (HDA)
══════════/ ╫╫╫╫╫╫╫╫╫╫╫╫╫╫ \══════════
(\─1────────────20/) BOTTOM
Notes on 40 pin I/O connector:
+12v = pins 2, 3, 4, 21
+5v = pins 19, 20, 40
GND = pins 6, 22, 23, 26, 29, 32, 35
Mating FC connector: AMP US p/n: 787317-1 straight-in, Male 40-pin
╔════════════╗
║ FRONT VIEW ║ (ST-318451FC)
╚════════════╝
Reserved. Shipped with cover installed.
Do not remove. Do not install jumpers
│ ┌┬──── Reserved
│ ││┌─── Fault LED
│ │││┌── Port B Bypass LED
│ ││││┌─ Port A Bypass LED
TOP (HDA) ╒╪═══╕ ││││1
══P═W═A═════════════════════╡::::│::::::╞══
* BOTTOM ╘════╛│││└┼┘
│ J6 │││ └── Ground
LED ─┘ ││└──── Active LED
│└───── Ground
└────── Remote LED (pin-11 +5v)
ST318451FC drives have two independent FC-AL ports. These
ports may be connected on independent loops or on the same
loop. Port A and Port B may be connected in any order or
combination.
ST-318451FC
UNFORMATTED CAPACITY (GB) ________________23.86
FORMATTED CAPACITY (GB) __________________18.351
AVERAGE SECTORS PER TRACK ________________345 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________103,770
CYLINDERS ________________________________10,377 user
HEADS ______PHYSICAL______________________10
DISCS (3.3 in) ___________________________5
MEDIA TYPE _______________________________THIN FILM/GMR
RECORDING METHOD _________________________PRML 16/17 EPR4
INTERNAL TRANSFER RATE (mbits/sec)________385 to 512
INTERNAL FORMATTED TRANSFER RATE (MB/sec)_37.0 to 49.0
EXTERNAL TRANSFER RATE (mbyte/sec/port)___106 Sync
SPINDLE SPEED (RPM) ______________________15k (14,904)
AVERAGE LATENCY (mSEC) ___________________2.01
BUFFER (/option FCV) _____________________4MB/16MB
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________FC-AL
Fibre Channel - Arbitrated Loop, ASA II
BYTES PER TRACK __________________________1,776,843 avg
SECTORS PER DRIVE ________________________35,843,670
TPI (TRACKS PER INCH) ____________________21,400
BPI (PEAK KBITS PER INCH) ________________343
AVERAGE ACCESS (ms read/write)____________3.9/4.5
Drive level without controller overhead
SINGLE TRACK SEEK (ms read/write) ________0.6/0.8
MAX FULL SEEK (ms read/write) ____________7.5/8.0
MTBF (power-on hours) ____________________1,200,000
SHOCK (G's, 11/2/.5 ms):
operating (Read/Write) __________10/65
abnormal ________________________40
nonoperating ____________________75/300/125
ACOUSTICS (Bels typical) ________Idle ____3.9
Max ____
POWER DISSIPATION (watts/BTUs) Active ____/
Idle ______12.71/41.53
POWER REQUIREMENTS: +12V START-UP (amps) _1.4
+12V TYPICAL (amps) __0.71 idle
+5V START-UP (amps) __0.78
+5V TYPICAL (amps) ___0.73 idle
IDLE (watts) _________
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.00/25.4
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.75/146.05
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. (06/14/2000)