SEAGATE TECHNOLOGY, INC. 1-800-SEAGATE http://www.seagate.com (C)opyright 1997 ST-34555N Ultra-SCSI (Hawk 4XL) ÉÍÍÍÍÍÍÍÍÍÍÍ» º REAR VIEW º (ST-34555N) ÈÍÍÍÍÍÍÍÍÍÍͼ 50 pin I/O Cable Connection ³ J1ÕÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ1¸ /ÄÄÄÄÄÄÄÄÄ\ TOP (HDA) ͵:::::::::::::::::::::::::Æͳ 0 0 0 0 ³ÍÍ ÔÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ; ÀÄ5ÄGÄGÄ12Ù BOTTOM Caution: Do not use J2 jumpers on J6. The internal contacts will be bent and cannot be reused on J2 without them falling off. ÉÍÍÍÍÍÍÍÍÍÍÍ» º SIDE VIEW º (ST-34555N) ÈÍÍÍÍÍÍÍÍÍÍͼ FRONT TOP (HDA) J2 87654321 Õ͸ OF ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍ͵J1 DRIVE BOTTOM :::::::: Ô; ³³³³³³³³ Enable T-Res (N 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 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. ÉÍÍÍÍÍÍÍÍÍÍÍÍ» º FRONT VIEW º (ST-34555N) ÈÍÍÍÍÍÍÍÍÍÍÍͼ ÚÄÄ´Reserved. Shipped with cover installed. ³ ÀDo not remove. Do not install jumpers TOP (HDA) ÕØÍÍ͸ 1 ÍÍPÍWÍAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵::::³::::::ÆÍÍ * BOTTOM ÔÍÍÍ;³³³³³³ External switches can use ³ J6 ³³³³³³ pins 1,3 and 5 to set ID LED ÄÙ ³³³³³³ Activity LED Ù³³³³À ID 1 (pin-11 +5v) ³³³ÀÄ ID 2 Reserved ÄÙ³ÀÄÄ ID 4 Reserved ÄÄÙ pin-10 ground ST-34555N UNFORMATTED CAPACITY (GB) ________________6.5 FORMATTED CAPACITY (GB) __________________4.55 AVERAGE SECTORS PER TRACK ________________176 rounded down ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________50,488 CYLINDERS ________________________________6,311 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)________72 to 115 INTERNAL FORMATTED TRANSFER RATE (MB/sec)_ EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync SPINDLE SPEED (RPM) ______________________7,200 AVERAGE LATENCY (mSEC) ___________________4.17 BUFFER (/optional) _______________________512 KByte Read Look-Ahead, Adaptive, Multi-Segmented Cache INTERFACE ________________________________Ultra-SCSI ASA II, SCAM level 2 BYTES PER TRACK __________________________124,000 average SECTORS PER DRIVE ________________________8,888,923 TPI (TRACKS PER INCH) ____________________6800 BPI (PEAK KBITS PER INCH) ________________139.2 AVERAGE ACCESS (ms seek/read/write)_______9.1/10.1/11.2 Drive level with controller overhead SINGLE TRACK SEEK (ms read/write) ________1.3/1.4 MAX FULL SEEK (ms) _______________________17.5/19.5 MTBF (power-on hours) ____________________800,000 SHOCK (G's): operating (Read/Write) __________2 abnormal ________________________10 nonoperating 11/2 msec __________75/100 ACOUSTICS (Bels typical, sound power) ____4.2 POWER DISSIPATION (watts/BTUs) Active ____12.9/44 Idle ______8.8/30 POWER REQUIREMENTS: +12V START-UP (amps) _2.44 +12V TYPICAL (amps) __0.54 idle +5V START-UP (amps) __0.78 +5V TYPICAL (amps) ___0.46 idle IDLE (watts) _________8.8 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): 5.74/145.8 Weight (lbs/kg): 1.5/0.68 Already low-level formatted at the factory with 118 spare sectors at the end of each 6 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)