This part is a kind of semiconductor called 49LF003A.
Function of this product has SST49LF003A.
Manufacturers : Silicon Storage Technology
Image and pinout :

Some of the text within the PDF file :
2 Mbit / 3 Mbit / 4 Mbit / 8 Mbit Firmware Hub SST49LF002A / SST49LF003A / SST49LF004A / SST49LF008A SST49LF002A / 003A / 004A / 008A2 Mb / 3 Mb / 4 Mb / 8 Mb Firmware Hub for Intel 8xx Chipsets FEATURES: Advance Information • Firmware Hub for Intel 8xx Chipsets • 2 Mbit, 3 Mbit, 4 Mbit, or 8 Mbit SuperFlash memory array for code/data storage – SST49LF002A: 256K x8 (2 Mbit) – SST49LF003A: 384K x8 (3 Mbit) – SST49LF004A: 512K x8 (4 Mbit) – SST49LF008A: 1024K x8 (8 Mbit) • Flexible Erase Capability – Uniform 4 KByte Sectors – Uniform 16 KByte overlay blocks for SST49LF002A – Uniform 64 KByte overlay blocks for SST49LF003A/004A/008A – Top Boot Block protection - 16 KByte for SST49LF002A - 64 KByte for SST49LF003A/004A/008A – Chip-Erase for PP Mode Only • Single 3. [ ... ]
49LF003A PDF Datasheet Download
