============================================================================== XT-8380SH =============================================================================== SPECIFICATIONS: Typical formatted capacity (MBytes) 361 Embedded Controller SCSI 2 Actuator Type Voice Coil Number of Disks 5 Data Surfaces 8 Data Heads 8 Servo 1 Tracks per Surface 1,632 Track Density (Avg.) 1,376 tpi Track Capacity (formatted) 27,648 bytes Bytes per Block 512 Sectors per Track 54 PERFORMANCE Seek Times (ms) Track to Track 3.0 Average 13.5 Maximum 26.5 Rotation Speed (+/- 5%) 3600 Data Transfer Rate (MBytes per sec) To/From Buffer 4.8 POWER REQUIREMENTS +12V DC +/-5% +5V DC +/-5% POWER PHYSICAL Height 3.25 in Length 8.20 in Width 5.75 in Weight 7.10 lb ENVIRONMENTAL Temperature Operating -50deg F to 122deg F Non-operating -40deg F to 149deg F Thermal Gradient 18deg F/hour Humidity Operating 8% to 80% Non-operating 8% to 80% Maximum Wet Bulb 26.7deg C Altitude (relative to sea level) Operating -1,000ft to 10,000ft Non-operating -1,000ft to 40,000ft RELIABILITY and MAINTENANCE MTBF 150,000 MTTR 30 minutes Preventitive maintenance none Component Design Life 5 years Data Reliability Soft read errors < 10 per 10^11 bits read Hard read errors < 10 per 10^15 bits read Seek Errors < 10 per 10^7 seeks SHOCK and VIBRATION shock measured a half-sine pulse. Vibration measured at swept sine, 1 Octave per minute. Non-operating shock 25g Operating Shock 5g Non-operating Vibration 5-31 Hz 0.02in. P-P 31-500 Hz 1G peak acceleration Operating Vibration 5-40 Hz 0.006in. P-P 40-300 Hz .5G peak acceleration Default jumpers are shown by @, open jumpers are shown by ° ° default # Function /------------------------------------------------------\ * *in JP14 Spin when * * power applied * *out JP18 write protect * /------------\ *out JP34 termination * * U32 * * power from * * * * bus * * * *out JP38 spin delay * +------------/ *in JP40 parity enable * /------\ JP7 @ *in JP41 Termination * * U5 * J J J // power from * * * P P P * by drive * +------/ 1 2 3 /------------\ JP6 ° * * ° ° @ * U22 * ------ ° * * ° ° * * ------ * ***Jumpers not listed * +------------/ +\ are not user * * configurable!!*** * /--------\ * * * U16 * ° ° JP5 * * * * ° ° JP4 * SPIN UP SELECTION * +--------/ * JP14 JP38 * J J J /-----\ /-----\ * out out start by # * P P P * U34 * * U44 * * out in start by cmd * 4 1 3 * * * * * in ?? stary by pwr * 0 4 8 +-----/ +-----/ * * @ @ ° * SCSI ID SELCTION * ° JP18 * J2 J2 J2 SCSI ID * ° ° JP41+++* #5 #4 #3 +--------\ ------ ------ ------ JP34° °* * J3 * J2 J6/---+---------------------------+-/ in in in 7 +--------# ***%% **** * J1 * out in in 6 default +-+++%%--+++/ +---------------------------/ in out in 5 L III out out in 4 E DDD in in out 3 D 012 out in out 2 in out out 1 out out out 0