Intel LPX - Power Supply and Consumption Information

Advanced/RH Technical Product Specification •• Page 21
Power Consumption
Tables 3 and 4 list the measured current and voltage requirements for the Advanced/RH motherboard configured
with 16 MB of DRAM. Table 5 lists the typical power consumed by the same configuration.. This information is
preliminary and is provided only as a guide for calculating approximate total system power usage with additional
resources added.
Voltage
DC Voltage Acceptable tolerance
+3.3V +/- 5%
+5V +/- 5%
+5V SB (stand by) +/- 5%
-5V +/- 5%
+12V +/- 5%
-12V +/- 5%
Table 3. Advanced/RH Voltage tolerance
Current and Power
Table 4. Advanced/RH Power and Current Requirements
System Configuration
System Configuration
Advanced/RH motherboard, 166 MHz Pentium Processor, 24 MB EDO
RAM, 256 KB PBSRAM L2 cache, Floppy drive, 1.6 GB hard drive,
Sony CDU-77E CD-ROM drive
Table 5. Power use by System Resources
AC (watts) DC (amps)
+5v
+12v
No APM enabled
DOS prompt 28
3.5A
160mA
Windows95 @1024x768 28
4.0A
160mA
APM enabled
DOS prompt 24.3
2.2A
160mA
Windows95 @1024x768 24.4
2.2A
160mA
Suspended 20.3
2.2A
160mA