This release corresponds to 86Box 4.2.1, and has all of the changes from it.

Verify the signature with my GPG public key! 91D5AEA039A4650AFB21A65693C738292A4CE811

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This release fixes more bugs with the Pentium 3 and VIA C3 Nehemiah that caused Windows 8 betas to break.

Changes

• Fix Pentium 3 and VIA C3 Nehemiah opcode tables
• Add (disabled) SSE3 and NX bit emulation!!

Verify the signature with my GPG public key! 91D5AEA039A4650AFB21A65693C738292A4CE811

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This pre-release build of PCBox is to allow the public to test SSE2 and NX bit emulation! Use the Generic Intel CPU type for this.

PCBox 4.2.2 is a bugfix release to PCBox 4.2.1 to address a bug that came up with 4.2.1 involving Windows XP on Pentium 3.

Changes

• Revert Pentium 3 CPUID changes that caused Windows XP to BSOD on boot with Pentium 3 and Voodoo 3.

PCBox is a PC emulator forked from 86Box dedicated to accuracy and hardware preservation.

Changes over 86Box 4.2

• A few bugfixes that will also be in 86Box 4.2.1
• Pentium 3 support, along with SSE1 emulation and underclocked models!
• VIA C3 Ezra support
• VIA C3 Nehemiah support, including VIA PadLock emulation!
• Experimental coreboot support (taken from the 86Box feature/mtrr branch)
• ICH2 machine support (taken from the 86Box feature/ich2 branch)
• Atari PC 3 and Atari PC 4 as new machines