Speaker; Lower Nibble High Byte Functions - Intel D815EGEWLU - P3 Socket 370 MicroATX Motherboard Specification

Intel Desktop Board D815EGEW Technical Product Specification
Table 83 describes the lower nibble of the high byte and indicates the bus on which the routines are
being executed.
Table 83.

Lower Nibble High Byte Functions

Value Description
0 Generic DIM (Device Initialization Manager)
1 Onboard system devices
2 ISA devices
3 EISA devices
4 ISA PnP devices
5 PCI devices

5.4 Speaker

A 47 Ω inductive speaker is mounted on the D815EGEW board. The speaker provides audible
error code (beep code) information during POST.
For information about
The location of the onboard speaker
114
Refer to
Figure 1, page 14