Altos Computer Systems Altos 486 — Altos 486 System Reference Manual – Service & Technical Guide PDF (EN)

HARD DISK DRIVE POWER REQUIREMENTS DC Power Volts +12 ±5 1 1.2 Steady State: (percent) Amperes (typical) (Maximum) Ripple (Maximum percent allowed with equivalent resistive load) Start Surge:

(Maximum percent) Amperes (Maximum) 1 ±10 (10 Seconds typical) 2.5 Volts (±5 percent) Amperes (typical) (Maximum) Ripple (Maximum percent allowed with equivalent resistive load) +5 0.4 0.5 2 AC Power None required Heat Dissipation watts (typical) (Maximum) 14 17 OVERALL DIMENSIONS Height (inches) Width (inches) Length (inches) Weight (pounds) 1.63 5.88 8.0 4.5 o 0 Operating Temperature 40 to 122 F (4 to 50 C) ENVIRONMENTAL REQUIREMENTS Relative humidity (percent non-condensing) 8 to 80 (Maximum wet bulb temperature) 780F (26oC) o 0 Non-operating Temperature -40 to 135 F (-40 to 57 C) Relative humidity (percent) 8 to 80 2-1