IBM 19K1484 SCSI Hard Drive

IBM Part #/MPN: 19K1484

DiscTech Item #: IBM-19K1484-UP-OE


$79.95
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$79.95

Enterprise Grade

Capacity: 18GB

Speed: 10K RPM

Interface Types: SCSI 68pin HD68

Form Factor: 3.5" LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 26 to 40

Average Seek Time: 5.2 / 5.8

Electrical Interface: SCSI LVD U160 - 160MBps 16-bit

On-Board Cache: 4MB

IBM 18GB 10K U160 68pin SCSI Hard Drive 19K1484 / ST318404LW - Used Pull OEM

Cheetah 18XL drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a wide Ultra160 SCSI interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers.

Seagate part ST318404LW

Compatibility:

 

 SEAGATE TECHNOLOGY, INC. 1-800-SEAGATE http://www.seagate.com (C)opyright 1999 ST-318404LW Ultra160 SCSI Wide (Cheetah 18XL, LVD) ÉÍÍÍÍÍÍÍÍÍÍÍ» º REAR VIEW º (ST-318404LW only) ÈÍÍÍÍÍÍÍÍÍÍͼ (TOP) J5 Auxiliary ___________________ ÚÄÄ Ä1¿/ÍÍÍÍÍÍÍÍÍ\ Í( ×××××××××××××××××1)ͳ::::::³³ 0 0 0 0 ÆÍ \ÄÄÄÄÄÄÄÄÄÄÄijÄÄÄÄ/ À ÄÄ 2ÙÀÄ5ÄGÄGÄ12Ù 68 pin I/O CableÙ ³³³³³³ Connection Male ³³³³³³ SCSI ID = 0 (none) ³³³³³ÀÄÄ SCSI ID = 1 pin-11 +5v ÄÄÙ³³³ÀÄÄÄ SCSI ID = 2 pin-10 GND ÄÄÄÙ³ÀÄÄÄÄ SCSI ID = 4 ÃÄÄÄÄÄ SCSI ID = 8 pins 9 & 12 no connection ÀÄÄÄÄÄÄ or pin-8 Activity LED* * These pins are driven low for 250ms after PWR ON and RESET to allow jumper selectable SCSI ID as shown above. ÉÍÍÍÍÍÍÍÍÍÍÍ» º REAR VIEW º (ST-318404LC only) ÈÍÍÍÍÍÍÍÍÍÍͼ 80 pin I/O and DC Power Wall/bracket Connection ³ Female J1 /ÄÄÄijÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ\ TOP (HDA) ÍÍÍÍÍÍÍÍÍÍ/ ×××××××××××××××××××× \ÍÍÍÍÍÍÍÍÍÍ (\Ä1ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ40/) BOTTOM Notes on 80 pin I/O connector: pins 1 - 4 = +12v 41 - 44 = 12v GND 34 - 36 = +5v 74 - 76 = 5v GND 37 = SYNC 77 = LEDC 38 = MTRON 78 = DLYDST 39 = SCSIA0 79 = SCSIA1 40 = SCSIA2 80 = SCSIA3 Mating connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin 2-557101-1 right angle to PCB ÉÍÍÍÍÍÍÍÍÍÍÍ» º SIDE VIEW º (ST-318404LW/LC) ÈÍÍÍÍÍÍÍÍÍÍͼ FRONT TOP (HDA) J2 87654321 Õ͸ OF ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍ͵J1 DRIVE BOTTOM :::::::: Ô; ³³³³³³³³ Force Single-ended (LVD models only) ÄÙ³³³³³³À Term Power (LW only)¿ Start Delay (12 secs * ID) ÄÄÙ³³³³ÀÄ Reserved ³ Motor Start ÄÄÄÙ³³ÀÄÄ Reserved ³ Write Protect ÄÄÄÄÙÀÄÄÄ Parity Disable ³ ³ ³ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ ³ Termination Power-source Table ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÄÄÄÄÄ¿ ³ ....ÍÍÍÍÍPWA edgeÍÍÍÍÍ ³ ³ 2 1 ³ ³ A Drive Supplies Bus ÖÄ· ³ ³ øºøº ³ ³ (not used on LC model) øÓø½ ³ ³ A ³ ÀÄÄÄÄÄÄÄÄÄDefault no jumper ÄÄÄÄÄÄÄÄÄÄÄÙ Note: LW and LC drives do not have internal terminators or any other way of adding internal terminators to the drive; use external active termination if required. Use active (ANSI SCSI-2 Alternative 2) terminators when terminating the bus. Use active negation terminators when terminating a SCSI Ultra2 bus operating in Low Voltage Differential (LVD) mode. ÉÍÍÍÍÍÍÍÍÍÍÍÍ» º FRONT VIEW º (ST-318404LW/LC) 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 ÄÙ³ÀÄÄ ID 4 (pin-10 GND) ÀÄÄÄ ID 8 ST-318404LW UNFORMATTED CAPACITY (GB) ________________ FORMATTED CAPACITY (GB) __________________18.351 AVERAGE SECTORS PER TRACK ________________415 rounded down ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________86,304 CYLINDERS ________________________________14,384 user HEADS ______PHYSICAL______________________6 DISCS (3.5 in) ___________________________3 MEDIA TYPE _______________________________THIN FILM/GMR RECORDING METHOD _________________________PRML 16/17 EPR4 INTERNAL TRANSFER RATE (mbits/sec)________285 to 424 INTERNAL FORMATTED TRANSFER RATE (MB/sec)_26 to 40 EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync Low Voltage Differential(LVD) _______80/160 Sync SPINDLE SPEED (RPM) ______________________10,033 AVERAGE LATENCY (mSEC) ___________________2.99 BUFFER (/optional) _______________________4MB/16MB Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________Ultra SCSI Wide Low Voltage Differential __________Ultra3-SCSI Wide ASA II, SCAM level 2 (1 default) BYTES PER TRACK __________________________203,008 avg SECTORS PER DRIVE ________________________35,843,669 TPI (TRACKS PER INCH) ____________________18,145 BPI (PEAK KBITS PER INCH) ________________339 AVERAGE ACCESS (ms read/write)____________5.2/5.8 Drive level without controller overhead SINGLE TRACK SEEK (ms read/write) ________0.6/0.9 MAX FULL SEEK (ms read/write) ____________10.0/11.0 MTBF (power-on hours) ____________________1,200,000 SHOCK (G's, 11/2/.5 ms): operating (Read/Write) __________15 abnormal ________________________15 nonoperating ____________________150/250/ ACOUSTICS (Bels typical) ________Idle ____3.8 Max ____ POWER DISSIPATION (watts/BTUs) Active ____/ Idle ______8.5/29.0 POWER REQUIREMENTS: +12V START-UP (amps) _1.7 +12V TYPICAL (amps) __0.40 idle +5V START-UP (amps) __0.7 +5V TYPICAL (amps) ___0.70 idle IDLE (watts) _________9 IBM AT DRIVE TYPE ________________________0 or NONE Physical: Height (inches/mm): 1.02/26.13 Width (inches/mm): 4.01/101.98 Depth (inches/mm): 5.77/146.68 Weight (lbs/kg): 1.5/0.680 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. (06/08/2000) 

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Weight: 1.8 lb

Warranty: 1 Year DiscTech

Used Pull

1 Year DiscTech Warranty