IBM PC 5150 BIOS Versions

[fs5500]

This is screenshot of System Information for PC-TOOLS on IBM PC 5150

 

[shaheerali99]

How to identify BIOS Chips on motherboard?

 

[fs5500]

How to identify BIOS Chips on motherboard?

1) Rev.1 (04/24/81)
*8K chip labeled with IBM part number of 5700051

2) Rev.2 (10/19/81)
*8K chip labeled with IBM part number of 5700671

3) Rev.3 (10/27/82)
*8K chip labeled with IBM part number of 1501476