Intel Pentium III Processor/840, Manual, Page: 35 / 151

Intel
®
Pentium
®
III Processor/840 Development Kit Manual 3-11
Theory of Operation
3.4.3 ACPI 1.0 Wake-Up Events
The ability for the system to wake up is described in Table 3-4. Please note that sleeping states S3,
S4 and S5 are the same (no power to CPU) for the wake up events.
3.5 APM 1.2 Support
Legacy power management (APM1.2) will be supported for non-ACPI aware operating systems
(Windows 3.x, Windows 95-retail and OSR2, Windows NT 4.x).
3.6 Label Requirements
This is not a production board and does not meet FCC regulations. It is intended for use in lab
environments only.
3.7 Battery Requirements
A Type 2032, socketed, 3 V lithium coin-cell battery is used on this evaluation board. The battery
has a shelf life of greater than three years.
3.8 Mechanical Considerations
3.8.1 Motherboard Dimensions
The actual size of the evaluation board is 12 inches wide by 17 inches long.
Table 3-4. ACPI 1.0 Wake-Up Events
Wake-up Event From State
Power button S1,S3,S5
Real Time Clock alarm S1,S3,S5
LAN
†
S1,S3,S5
Modem
†
S1,S3,S5
USB
†
S1
Keyboard S1
PCI PME S1,S3,S5
Mouse S1
† Feature requires additional 5 VSB current; use a power supply capable of 720mA minimum, 5 VSB
current.