The BIOS upgraded to latest and greatest improving connectivity to Dock and compatibility within Windows 9x. It doesn’t affect the operation of the machine but a perfectionist would want to put a good XGA panel in it.
DOS VGA IBM Thinkpad 755c + 3545 Dock I - Recapped, Strengthened, Upgraded Win95
IBM Thinkpad 240x laptop Pentium 3 500mhz 192MB 6GB HDD
Immaculate Restored IBM PS/1 Pro IDE, Not MCA! With SD Card, Soundblaster & 3com
1980's IBM Model F Keyboard for IBM XT
IBM 2626 Vintage Laptop With Charger And IBM Briefcase
Vintage IBM Personal System/2 PS/2 Model 30 Type 8530 8503 screen original Kybd