Hewlett Packard D9421A SCSI Hard Drive

Hewlett Packard 18GB 15K U160 80pin SCA-2 SCSI Hard Drive D9421A with Tray - Refurbished

Hewlett Packard 18GB 15K U160 80pin SCA-2 SCSI Hard Drive D9421A with Tray - Refurbished

Compatibility: This drive and tray are fully compatible with Netserver models: LC2000r, LPr, LH3/r, LH3000/r, LH4/r, LH6000/r, LT6000r, LXr8000/8500 and RS/12.

 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. 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 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. 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-318451LW 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)_37.4 to 48.9 EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync Low Voltage Differential(LVD) _______80/160 Sync SPINDLE SPEED (RPM) ______________________15k AVERAGE LATENCY (mSEC) ___________________2.00 BUFFER (/option LWV and LCV) _____________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 __________________________ 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) ________0.5/0.7 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) __________15 abnormal ________________________40 nonoperating ____________________75/250/125 ACOUSTICS (Bels typical) ________Idle ____4.0 Max ____ POWER DISSIPATION (watts/BTUs) Active ____/ Idle ______10.7/36.6 POWER REQUIREMENTS: +12V START-UP (amps) _1.42 +12V TYPICAL (amps) __0.61 idle +5V START-UP (amps) __0.73 +5V TYPICAL (amps) ___0.68 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): 1.6/0.726 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 

Alternate MPNs: ST318451LC 0950-4136

Weight: 1.8 lb

Warranty: 1 Year DiscTech

Refurbished

1 Year DiscTech Warranty