Bios Flash Memory Organization; Piezoelectric Speaker (N); Flash Memory Organization; Piezoelectric Speaker - Intel MS440GX Product Manual

MS440GX Motherboard Product Guide

BIOS Flash Memory Organization

The Intel E28F004BXT80 4-Mbit flash component is organized as 512 KB x 8 bits and is divided
into areas as described in Table 10. The table shows the addresses in the ROM image in normal
mode (the addresses change in BIOS Recovery Mode).
Table 10.

Flash Memory Organization

Address (Hex)
FFFFC000 - FFFFFFFF
FFFFA000 - FFFFBFFF
FFFF9000 - FFFF9FFF
FFFF8000 - FFFF8FFF
FFF80000 - FFFF7FFF

Piezoelectric Speaker (N)

The onboard piezoelectric speaker is enabled by a jumper on pins 1 and 2 of the front panel
connector.
The onboard speaker can be disabled by removing the jumper. An outboard speaker can be
connected in its place by a jumper on pins 1 and 4.
This speaker provides error beep code information during the POST in the event that the computer
cannot use the video interface. The speaker is not connected to the audio subsystem and does not
receive output from the audio subsystem.
28
Size Description
16 KB Boot Block
8 KB Vital Product Data (VPD) Extended System Configuration Data
(ESCD) (DMI configuration data / Plug and Play data)
4 KB Used by BIOS (e.g., for Event Logging)
4 KB OEM logo or Scan Flash Area
480 KB Main BIOS Block