Even with v0220, a dead battery will cause error 161 and 163 (CMOS battery and checksum error).
Here is how to ensure your European BIOS works flawlessly with modern emulators like PCSX2 . Why the v0220 BIOS Matters
This designates the geographical region. In the original console days, this meant the system was designed for the PAL (Phase Alternating Line) video standard used in Europe, Australia, and parts of Asia, which typically runs games at 50 Hz. europe v0220 bios ps2 30 work
Stick to 2x (720p) or 3x (1080p) scaling. Going too high can cause severe frame drops below 30 FPS on midrange hardware.
Unlike early FAT PS2 BIOS files (such as v01.00), version 02.20 contains updated internal modules designed to interface with the redesigned, integrated hardware chips of the Slimline chassis. Does the Europe v02.20 BIOS Work on PCSX2? Even with v0220, a dead battery will cause
Understanding the compatibility differences is crucial. For the original 8086-based Model 30, it was found that the first BIOS revision (09/02/86) would recognize a hard drive controller but would fail to boot from it. However, the third revision (02/05/87) would recognize and boot DOS properly. Compatibility with add-on IDE controllers (like the popular XT-IDE) has also been tested with these revisions. While the first revision worked with an XT-IDE card, the second revision (12/12/86) was found to work with both the XT-IDE and the original MFM controller.
Then the cubes appeared. But not the floating silver ones. These were organic , pulsing like cells dividing. The screen rippled, and a voice—crackling through the ancient RCA cables—said: In the original console days, this meant the
Europe v02.20 BIOS (often identified with models like SCPH-75004 SCPH-77004
PS2Scavenger Board: PS2 Hardware / BIOS & Modchipping