ADLINK RuffSystem 735 - Manual (Page 8)

RuffSystem Setup
4 User’s Guide RuffSystem
Table 3 lists the current draw values of the RuffSystem with the LittleBoard 800.
Operating configurations:
• In-rush operating configuration consists of one LittleBoard 800, 1GB DDR RAM, AMI BIOS, I/O
board, AC/DC external digital power supply, DC/DC internal power module, CRT monitor, HDD,
keyboard and mouse.
• Idle operating configuration consists of the same items as the In-rush configuration.
• BIT (Burn-In-Test) operating configuration consists of the same items as the Idle configuration as well
as four serial loop backs, one parallel port with loop back, two Ethernet connections, four external USB
flash drives, and one Compact Flash card.
Environmental Specifications
Table 4 provides the most efficient operating and storage condition ranges required for this system with the
LittleBoard 735, LittleBoard 800, and COM 840.
Table 3. System Power Requirements (LittleBoard 800, 1.4 GHz Pentium M CPU)
Input Type In-rush Current
(@ 170.88W Power) Typical Idle Current
(@ 9.54W Power) Typical BIT Current
(@ 13.18W Power)
+14VDC 12.21A 0.68A 0.94A
+16VDC 10.68A 0.60A 0.82A
+18VDC 9.49A 0.53A 0.73A
+20VDC 8.54A 0.48A 0.66A
+22VDC 7.77A 0.43A 0.60A
+24VDC 7.12A 0.40A 0.55A
+26VDC 6.57A 0.37A 0.51A
+28VDC 6.10A 0.34A 0.47A
+30VDC 5.70A 0.32A 0.44A
+32VDC 5.34A 0.30A 0.41A
NOTE Extended temperature range available only on extended temperature tested
(ETT) systems.
Table 4. Environmental Requirements
Temperature Humidity
Operating Storage Extended Operating Non-operating
-20 ° to +65°C
(-4 ° to +149°F)
–55° to +85°C
(–67° to +185°F) –40° to +75°C
(–40° to +167°F) 5% to 90%
relative humidity,
non-condensing 5% to 95%
relative humidity,
non-condensing