SEAGATE TECHNOLOGY, INC. 1-800-SEAGATE http://www.seagate.com (C)opyright 1996 ST-34501W/WC Ultra-SCSI Wide (Cheetah 4LP) ÉÍÍÍÍÍÍÍÍÍÍÍ» º REAR VIEW º (ST-34501W only) ÈÍÍÍÍÍÍÍÍÍÍͼ (TOP) J5 Auxiliary ___________________ ÚÄÄ Ä1¿/ÍÍÍÍÍÍÍÍÍ\ Í( ×××××××××××××××××1)ͳ::::::³³ 0 0 0 0 ÆÍ \ÄÄÄÄÄÄÄÄÄÄÄijÄÄÄÄ/ À ÄÄ ÙÀÄ5ÄGÄGÄ12Ù 68 pin I/O CableÙ ³³³³³³ Connection Male ³³³³³³ ³³³³³³ SCSI ID = 0 (none) Auxiliary option header ³³³³³ÃÄÄ SCSI ID = 1 ³³³³³ÀÄÄÄ or pin-2 Fault LED* pin-11 +5v ÄÄÄÄÄÄÄÄÄÙ³³³ÃÄÄÄ SCSI ID = 2 pin-10 GND ÄÄÄÄÄÄÄÄÄÄÙ³³ÀÄÄÄÄ or Vendor Unique* SCSI ID = 8 ÄÄÄÄÄÄÄÄÄÄÄ´ÃÄÄÄÄ SCSI ID = 4 or pin-8 Activity ÄÄÄÄÙÀÄÄÄÄÄ or pin-6 Reserved* LED* * These pins are driven low for 250ms after PWR ON or RESET to allow jumper selectable SCSI ID. Pins 9 and 12 have no connection. ÉÍÍÍÍÍÍÍÍÍÍÍ» º REAR VIEW º (ST-34501WC 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 NC 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-34501W/WC) ÈÍÍÍÍÍÍÍÍÍÍͼ FRONT TOP (HDA) J2 87654321 Õ͸ OF ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍ͵J1 DRIVE BOTTOM :::::::: Ô; ³³³³³³³³ Enable T-Res (W 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 ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ ³ Termination Power-source Table ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ 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 ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄDefaultÄÄÄÄÄÄÄÄÄÙ (not used on WC model) Note: WD drives do not have internal terminators or any other way of adding internal terminators to the drive; use external active termination if required. ÉÍÍÍÍÍÍÍÍÍÍÍÍ» º FRONT VIEW º (ST-34501W/WC) 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 ÀÄÄÄ ID 8 Caution: Do not use J2 jumpers on J6. The internal contacts will be bent and cannot be reused on J2 without them falling off. ST-34501W UNFORMATTED CAPACITY (GB) ________________5.591 FORMATTED CAPACITY (GB) __________________4.55 AVERAGE SECTORS PER TRACK ________________170 rounded down ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________52,208 CYLINDERS ________________________________6,526 user HEADS ______PHYSICAL______________________8 DISCS (3.5 in) ___________________________4 MEDIA TYPE _______________________________THIN FILM/MR RECORDING METHOD _________________________ZBR PRML (0,4,4) INTERNAL TRANSFER RATE (mbits/sec)________122 to 177 INTERNAL FORMATTED TRANSFER RATE (MB/sec)_11.3 to 16.8 EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync SPINDLE SPEED (RPM) ______________________10,033 AVERAGE LATENCY (mSEC) ___________________2.99 BUFFER (/optional) _______________________512/2048 KByte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________Ultra SCSI ASA II, S.M.A.R.T., SCAM level 1 (2 optional) BYTES PER TRACK __________________________115,078 average SECTORS PER DRIVE ________________________8,887,199 TPI (TRACKS PER INCH) ____________________6932 BPI (PEAK KBITS PER INCH) ________________135.4 AVERAGE ACCESS (ms read/write)____________7.7/8.7 Drive level with controller overhead SINGLE TRACK SEEK (ms read/write) ________0.98/1.24 MAX FULL SEEK (ms) _______________________18.2/19.2 MTBF (power-on hours) ____________________1,000,000 SHOCK (G's): operating (Read/Write) __________2 abnormal ________________________10 nonoperating 11/2 msec __________50/140 ACOUSTICS (Bels typical, sound power) ____4.6 POWER DISSIPATION (watts/BTUs) Active ____14.9/51 Idle ______12/41 POWER REQUIREMENTS: +12V START-UP (amps) _2.2 +12V TYPICAL (amps) __0.73 idle +5V START-UP (amps) __0.88 +5V TYPICAL (amps) ___0.64 idle IDLE (watts) _________13.5 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): 1.5/0.68 Already low-level formatted at the factory with 108 spare sectors at the end of each 12 cylinder region. ZBR = Zone Bit Recording = Variable sectors per track Seagate reserves the right to change, without notice, product offerings or specifications. (08/07/97)