[pc] 86Box 5.1 15/09/2025

86Box v. 5.1. Photo@project

86Box 5.1 15/09/2025

Emulator

• Added input scaling options to the OpenGL 3.0 Core renderer
• Added saving of full screen mode after exiting the emulator
• Added portable mode enabled by placing an empty 86box_global.cfg file next to the Windows executable, macOS app bundle or Linux AppImage
• Fixed keyboard shortcuts with numpad keys in full screen mode
• Fixed command line options not applying to machines started from the manager
• Fixed --clear command line option in its long form

User interface

• Added color scheme override option to the Preferences window on Windows hosts
• Added remember size & position option to the manager’s Preferences window
• Added interlaced mode indication to the refresh rate display
• Added machine actions to the manager’s right-click menu
• Improved ordering on Settings window machine lists
• Fixed resizable window option crashing the emulator on Windows hosts
• Fixed incorrect window size when hiding the toolbar and status bar
• Fixed blank sections and missing CD-ROM information on the manager’s machine details display
• Updated translations: Chinese (Taiwan), Finnish, French, Italian, Portuguese (Brazil)

Machines

• Multiple categories
  • Fixed floppy disk error on several machines with Winbond Super I/O
• 808x
  • Added machines: Multitech PC-500, Multitech PC-900
  • Added display line doubling modes to the Amstrad PC1512, PC1640, IBM PCjr and Tandy 1000 family
  • Fixed Amstrad PC1512 screen clearing effect
  • Fixed F11 and F12 keys not working on the Tandy 1000 family
  • Renamed the existing Multitech PC-500 to PC-500 plus
  • Changed Olivetti M19 BIOS revision to a newer one
• 286
  • Added Model 50Z BIOS variant option to the IBM PS/2 Model 50
  • Fixed chipset name on the Hyundai Super-286C
  • Renamed AMI IBM AT to Trangg Bow Unknown 286
  • Renamed Phoenix IBM AT and Quadtel IBM AT into AT clones
  • Changed maximum RAM on the IBM AT clones
  • Changed minimum RAM on the Senor Science Co. SCAT-286-003
• 386
  • Moved BIOS version variants of the Compaq Deskpro 386 into a single entry with BIOS variant selection
  • Moved MR BIOS variants of the Chaintech 325AX and DataExpert SX495 into the base machines as BIOS variant options
  • Reverted incorrect removal of the on-board IDE controller from the Commodore SL386SX-16
  • Fixed keyboard not working properly on the Acrosser AR-B1374
  • Fixed parallel port on the CAF Technology C747
• 486
  • Added Socket 1 machine: Olivetti PCS 44/C
  • Moved Rev D and MR BIOS variants of the Jetway J-403TG into the base machine as BIOS variant options
  • Moved IBM Aptiva 510/710/Vision into the base IBM PC 330 (type 6573) as a BIOS variant option
  • Fixed AMI WinBIOS 486 PCI not booting
  • Fixed floppy drives not working on the Silicon Valley Computer 486WB
  • Fixed keyboard not working properly on the Advanced Integration Research 486PI, AMI Super Voyager PCI, ECS Elite UM8810P-AIO, Intel Classic/PCI ED and MSI MS-4145
  • Fixed Fixed I/O port resource conflict error on the ICS SB486P
  • Fixed Shuttle HOT-433A Award BIOS option not working properly
  • Fixed Intel Classic/PCI not saving BIOS settings
  • Renamed Dell 466/NP to Dell System 4xx/NP
  • Changed maximum RAM on the Acer V10
• 586
  • Added Socket 4 machine: Intel Premiere/PCI (Batman)
  • Added newer BIOS version option to the Biostar M5ATA
  • Added older BIOS version option to the Rise R534F
  • Added NEC PowerMate V2xxx/P2xxx BIOS variant option to the Intel CU430HX
  • Moved AMBRA DP60 PCI and Dell Dimension XPS P60 into the base Intel Premiere/PCI as BIOS variant options
  • Moved AMBRA DP90 PCI and Dell Dimension XPS Pxxx into the base Intel Premiere/PCI II as BIOS variant options
  • Moved Gateway 2000 Thor into the base Intel Advanced/ATX as a BIOS variant option
  • Moved Toshiba Equium 5200D into the base Intel CU430HX as a BIOS variant option
  • Moved Toshiba Infinia 7201 into the base Intel TC430HX as a BIOS variant option
  • Moved MR BIOS variants of the ASUS P/I-P55TP4XE and Intel Advanced/ATX into the base machines as BIOS variant options
  • Fixed TMC PAT54PV not booting
  • Fixed IDE hard disks not working on the Dell Dimension XPS Pxxx
  • Fixed keyboard not working properly on the Teknor TEK-932
  • Changed maximum CPU support on the MSI MS-5119
• 686
  • Added newer BIOS version option to the ABIT BX6
  • Moved Dell Dimension XPS Pro___n and Gateway 2000 Venus into the base Intel VS440FX as BIOS variant options
  • Fixed Micronics Spitfire hanging during POST

Hardware

• Core
  • Improved performance of 386DX CPUs
• Display
  • Added loading of custom monitor EDID files
  • Added configuration EEPROM support to ELSA S3 cards
  • Added 256-color text mode support to VGA cards
  • Improved CGA display line doubling mode quality
  • Fixed incorrect refresh rates on the C&T SuperEGA
  • Fixed Voodoo Banshee/3 rendering glitches on direct SVGA applications
  • Fixed S3 Trio32 cursor rendering glitches
  • Fixed Matrox rendering glitches on full motion video applications
  • Fixed screen cut-off issues and incorrect refresh rates in S3 cards
• Input
  • Added keyboard key remapping through manual configuration file editing
  • Fixed game controller detection on macOS hosts
• Sound
  • Added Gravis UltraSound rev 3.7 and Gravis UltraSound ACE ISA sound cards
  • Added game port control to the Gravis Ultrasound family
  • Fixed incorrect I/O port options on the Covox Sound Master Plus
  • Changed minimum RAM on the Gravis UltraSound MAX
• Network
  • Fixed SLiRP changing its IP addresses on hard reset
  • Fixed incorrect behavior with multiple DEC and/or Realtek RTL8139 network cards in the same machine
• Ports
  • Added status line support to serial passthrough
  • Added international character set support to the ESC/P printer
  • Added 28800 and 33600 baud options to the modem
  • Renamed ESC/P printer to ESC/P 2 to better reflect its hardware capabilities
  • Fixed printers not behaving properly on faster emulated CPUs
  • Fixed ECP mode printing on several machines
  • Fixed ESC/P printer printing monospaced text with an incorrect font in some cases
• Storage
  • Added CD-ROM CRC/ECC check override through manual configuration file editing
  • Fixed read errors with Video CD, Mode 2 and multi-session CD-ROM images
  • Fixed incorrect detection of DVDs in host drives
  • Fixed emulator crashes with SCSI devices on some operating systems and drivers
  • Fixed detection of secondary IDE devices alongside an ATAPI primary device on some operating systems

86Box 5.0 24/08/2025

Emulator

• Added keyboard shortcut customization through the Settings window’s Input section
• Added customizable keyboard shortcuts for Ctrl+Alt+Esc (Ctrl+F10), pause (Ctrl+Alt+F1), hard reset (Ctrl+Alt+F12), screenshot (Ctrl+F11) and mute (Ctrl+Alt+M)
• Added system-wide saving for all settings in the Preferences window
• Added detailed image path and size information to the tooltip for hard disk icons on the status bar
• Added preliminary NetBSD host support (currently source code only, no builds available)
• Added configuration file entry sorting to aid readability when performing manual edits
• Added passthrough for some multimedia keys on Windows hosts (can be disabled through the Preferences window)
• Added GameMode support on Linux hosts
• Added more icons to status bar and Media menu options
• Added -W/--nohook command line option to disable advanced keyboard capture methods
• Reworked OpenGL 3.0 Core renderer, adding support for multiple shaders, .glslp shaders and parameter configuration
• Removed Qt OpenGL and OpenGL ES renderers to eliminate maintenance burden and user confusion with the OpenGL 3.0 Core renderer
• Improved input responsiveness on Windows hosts
• Fixed stuck keys when the 86Box window loses focus (including Alt+Tab) on Windows hosts
• Fixed mouse capture on Linux hosts causing a movement jump on the emulated mouse when activated
• Fixed mouse input with Remote Desktop and other remote access tools on Windows
• Fixed keyboard shortcuts on Wayland Linux hosts
• Fixed incorrect emulated display size with HiDPI scaling on some renderers
• Changed the key combination for releasing mouse capture to Ctrl+End on all platforms
• Changed the key combination for exiting full screen mode to the same Ctrl+Alt+Page Up used to enter full screen
• Changed -?/--help command line option to a message box on Windows hosts

User interface

• Added dark mode for Windows hosts
• Added keyboard indicator lights and refresh rate indicator to the status bar
• Added write activity and write protection indicators to status bar icons
• Added full mute option to the sound icon in the status bar
• Added printer tray folder shortcut to the Tools menu
• Added a decimal place to the emulation speed indicator
• Added translations for device configuration options (also known as Configure button options), message box buttons and other untranslated parts of the interface
• Added translations: Dutch by sharkbyte16, Norwegian (Bokmål) by elislays08, Swedish by toshineon
• Removed icon sets feature to eliminate maintenance burden for a seldom-used feature
• Improved Settings window load times
• Improved ordering on Settings window device lists
• Fixed inaccessible device configuration options for floppy drive controllers
• Fixed recently used image lists not saving across restarts
• Fixed status bar icons not updating media insertion state with Update status bar icons turned off
• Fixed Windows 11 rounded corners cutting into the emulated display when the status bar is hidden
• Fixed mouse sensitivity slider not showing up properly on some hosts
• Fixed window close button and Esc key not closing the About window
• Changed default language from English to the system language
• Renamed many device configuration options to improve consistency
• Updated many translations with fixes and the new device configuration translations

Machines

• Multiple categories
  • Fixed secondary floppy drive not being detected on several IBM PS/2 machines
  • Fixed secondary IDE channel issues within operating systems on the ASUS P/I-P65UP5
  • Fixed soft reboot hangs on several PCI machines
  • Fixed Compaq Portable family identification by applications
  • Fixed Compaq Portable family gas plasma display glitches
• 808x
  • Added machines: Amstrad PC5086, Atari PC 3, Mazovia 1016, Tulip PC Compact 2, VTech Laser Turbo XT, VTech Laser XT3
  • Added a small number of compatible expansion devices to the IBM PCjr
  • Added alternate color palette options to the IBM PCjr
  • Added option to disable ROM BASIC on the IBM PC and XT
  • Added BIOS version selection (including diagnostic ROMs) to the IBM PC, XT and AT
  • Added GLaBIOS option to the Juko ST and Vendex HeadStart Turbo 888-XT
  • Fixed IBM PCjr floppy write errors
  • Fixed Tandy 1000 family hang issues with some games
  • Fixed Tandy 1000 family displaying horizontal line artifacts in some applications
  • Fixed Schneider EuroPC JIM jumper option
  • Changed Olivetti M240 BIOS revision to a newer one (again)
  • Renamed Olivetti M21/24/24SP to M21/24/24SP/AT&T PC 6300
  • Renamed Olivetti M240 to M240/AT&T PC 6300 WGS
  • Renamed Packard Bell PB8810 to Samsung SPC-3000V
• 286
  • Added machines: Amstrad PC7286, PC5286, Atari PC 4, Dell System 200, GRiD GRiDcase 1520 (setup required), ICL DRS M35/286, Olivetti M290/AT&T 6286 WGS, Packard Bell PB286, PC’s Limited (Dell) 28608L/AT122, Sanyo MBC-17PLUS, Sharp AX286D, Tulip AT Compact
  • Fixed Toshiba T3100e Fn key not working in some environments
  • Fixed Toshiba T3100e upper memory detection
  • Changed minimum RAM on the IBM PS/2 Model 30-286, Hyundai Solomon 286KP and Hyundai Super-286TR
  • Changed maximum RAM on the NCR 3302 and Arche AMA-2010
• 386
  • Added 386SX machines: Dell System 333s/L, OKI if386AX30L, Packard Bell Legend 300SX, Silicon Valley Computer SVC386SX/P1
  • Added 386DX machines: ASUS 386/33-64K, IBM PS/55 Model 5550-T, 5550-V
  • Added 386DX/486 machine: CAF Technology C747
  • Added Phoenix BIOS option to the Micronics 09-00021
  • Removed non-existent on-board IDE controller from the Commodore SL386SX-16
  • Fixed Acer 100T machine not being selectable on Linux and other case-sensitive systems
  • Fixed DataExpert EXP4349 not booting properly with 386 CPUs
  • Fixed Amstrad MegaPC not booting with some memory amounts
  • Fixed IDE disks not being detected on the AAEON SBC-350A
  • Fixed floppy drives not being detected on the Acer 100T
  • Changed maximum RAM on the DataExpert EXP4349
• 486
  • Added a new category for Socket 3 PCI machines
  • Added Socket 1 machines: AST Advantage! 40xxd, ASUS ISA-486C, DTK PKM-0031Y, Silicon Valley Computer 486WB, Tulip 486 DC/DT
  • Added Socket 2 machines: Alaris Cobalt LPX, Dell 466/NP, ZEOS Martin
  • Added Socket 3 machines: Acer P3, Biostar MB-84xxUUD-A, Compaq Presario 7100/7200 Series 486, ICS SB486PV
  • Added PCI/ISA BIOS variant selection to the Packard Bell PB450
  • Added Award eSupport BIOS option to the Shuttle HOT-433A
  • Fixed Samsung SPC7700P-LW crashing the emulator on soft reboot
  • Fixed DEC Venturis 4xx crashing the emulator during POST
  • Fixed keyboard not working with some operating systems on the J-Bond PCI400C-A, ASUS PCI/I-486SP3
  • Fixed PS/2 mouse not being detected on the ASUS VL/I-486SV2G (GX4)
  • Fixed CPU cache error on the TriGem 486G
  • Fixed DMI/ESCD write error on the FIC VIP-IO2
  • Fixed incorrect chipset type on the Mylex MVI486 and Siemens Nixdorf D824
  • Changed minimum/maximum RAM on several SiS 471 based machines and the Acrosser AR-B1476
  • Changed maximum RAM on the Lanner Electronics AP-4100AA
  • Changed most STPC machines to remove discrete PCI card support
  • Renamed ASUS VL/I-486SV2G (GX4) to VL/I-486SV2GX4
• 586
  • Added Socket 4 machines: Acer V12P, AT&T Globalyst 330, ECS SI5PI AIO, Micronics M5Pi
  • Added Socket 4/5 machine: Taken PCI560-01
  • Added Socket 5 machines: Dell OptiPlex GXL/GXM, Siemens-Nixdorf D842
  • Added Socket 7 machines: Biostar M5ATA, Dell OptiPlex GN+, Gateway 2000 Tigereye (replacing the previous Tigereye which is now Mailman), LG IBM Multinet x52, Packard Bell PB790, PC Partner VIA809DS, Siemens-Nixdorf D943
  • Added Super Socket 7 machine: eMachines eTower 300k
  • Added Award 4.50PG and newer 4.51PG BIOS options to the AOpen AP5S
  • Added Award 4.50PG and 4.51PG BIOS options to the Chaintech 5SBM2
  • Added on-board PC Technology RZ1000 IDE controller to the Intel Premiere/PCI family
  • Added AMD K6-2 CPU support to the ASUS P/I-P55T2P4, ASUS TX97 and PC Chips M560
  • Removed AMD K6 CPUs from most Intel motherboards due to BIOS incompatibilities
  • Fixed keyboard not working with some operating systems on the Gigabyte GA-586IP
  • Fixed I/O port resource conflict error on the FIC VA-503+
  • Fixed missing secondary IDE channel on the Intel Premiere/PCI II
  • Fixed PCI device IRQs on the ASUS PCI/I-P54NP4
  • Fixed Dell Dimension XPS Pxxx and Hannibal+ password jumper error
  • Changed minimum/maximum RAM and supported CPUs on many Socket 7 machines
  • Changed minimum RAM on the PC Chips M579
  • Changed minimum CPU support on the Gigabyte GA-5SG100
  • Renamed Chaintech 5SBM2 to 5SBM/5SBM2
  • Renamed Gateway 2000 Tigereye to Mailman and changed category to Socket 7 Dual Voltage
  • Renamed Acer M3A to Acer AcerPower Ultima
  • Renamed Toshiba Infinia 7200 to the 7201 variant to better reflect its on-board hardware
  • Renamed Compaq Presario 2240 to 224x
  • Renamed Compaq Presario 4500 to 45xx
  • Renamed Dell Hannibal+ to Dell Dimension XPS Pxxxa/Mxxxa
  • Renamed Packard Bell PB680 to Packard Bell Multimedia C110
  • Renamed Packard Bell PB810 to Packard Bell Multimedia M415
  • Renamed Gateway Tomahawk to Gateway E-1000
  • Renamed TriGem Richmond to TriGem RD535
  • Renamed Daewoo CB52X-SI to Daewoo CD520
• 686
  • Added Socket 8 machines: Dell Dimension XPS Pro___n (OEM version of the Intel VS440FX), FIC PO-6000
  • Added Slot 1 machines: ABIT BX6, Acer V62X, Compaq ProSignia S316/318, Dell OptiPlex GXa
  • Added Socket 370 machine: Soyo SY-7SBB
  • Added on-board Crystal CS4236B sound to the Intel VS440FX
  • Added on-board CMD PCI-0648 IDE controller to the ASUS CUBX
  • Removed Pentium Pro CPUs from the ASUS P3V4X and Virtual PC 2007 due to BIOS incompatibilities
  • Fixed on-board Crystal CS4236B sound on the Intel AP440FX
  • Fixed BIOS setup hang on LG IBM Multinet machines
  • Fixed FIC KA-6130 password jumper error
  • Changed minimum RAM on the PC Chips M729
  • Changed maximum RAM on the Acer V60N, Biostar MB-8600TTC, Chaintech 5SBM2, Intel AP440FX, HP Vectra VEi 8, Tyan Tsunami ATX and ECS P6BAT-A+
  • Changed maximum CPU support on the ABIT LX6, ASUS KN97, Packard Bell Bora Pro and Gigabyte GA-6GXU

Hardware

• Core
  • Added CPU frame size option with a new default to increase smoothness
  • Added Cyrix 6x86 family of Socket 7 CPUs
  • Added missing 8080 emulation feature to the NEC V20 and V30
  • Added missing PSE-36 feature to the Pentium II Deschutes
  • Added Samuel codename to better identify VIA Cyrix III CPUs
  • Changed NEC V30 CPU speed options to better reflect real chips
  • Improved CPU performance on ARM hosts
  • Fixed modern versions of OpenBSD crashing due to inaccuracies in the MMU and Pentium Pro SYSENTER/SYSEXIT handling
  • Fixed Windows 9x installer crashing on ARM hosts due to a memory paging inaccuracy
  • Fixed ReactOS and Microsoft C LINK.EXE crashing due to protected mode inaccuracies
  • Fixed Windows NT 3.x DOS box crashing due to a recompiler inaccuracy
  • Fixed USL SVR4.2 Unix crashing due to a CPU flag inaccuracy
  • Fixed specific FPU diagnostic tests failing due to an interrupt inaccuracy
  • Fixed rendering issues with the Final Reality demo on MMX-capable CPUs due to an inaccuracy
  • Fixed FXSAVE and FXRSTOR FPU instruction inaccuracies
  • Fixed EFER inaccuracy affecting CPU probing applications on K6-2 and K6-III CPUs
  • Fixed LOCK instruction legality inaccuracy
  • Fixed CPU privilege level inaccuracy on cache and MSR related instructions
  • Fixed D6 opcode inaccuracy on NEC V20 and V30 CPUs
  • Fixed newer Linux kernels limiting maximum memory on Pentium II Deschutes and Celeron Mendocino CPUs due to a cache reporting inaccuracy
  • Fixed debug breakpoints on 386 CPUs
  • Fixed segment wraparound inaccuracy with some CPU instructions
  • Fixed PCI device IRQs on machines with UMC chipsets
  • Fixed expanded (EMS) memory support on the C&T NEAT, SCAT and VLSI SCAMP chipsets
  • Fixed PCI bridge not being automatically installed upon running out of slots
  • Fixed ISA Plug and Play detection hangs with some device drivers
  • Fixed ACPI IRQ resource allocation issue on later VIA chipsets
  • Fixed microcode update errors with Pentium II and Celeron CPUs on some machines
  • Fixed PS/2 DMA inaccuracy due to missing commands
• Display
  • Improved emulation performance of S3 ViRGE and Trident TGUI cards
  • Added Quadram Quadcolor and Yamaha V6355D CGA-compatible ISA video cards
  • Added OKI JEGA and OKIVGA/H-2 ISA video cards
  • Added ATI VGA Wonder 1024D XL Plus ISA video card (ATI 28800-6 with 1 MB VRAM)
  • Added ELSA Winner 1000 (S3 86C805) ISA video card
  • Added Quantum3D Raven (Voodoo Banshee) PCI video card
  • Added picture controls to composite CGA emulation
  • Added color support to the IBM MDA (enabled by selecting a color monitor through the Configure window)
  • Added IBM Nordic and Czech Kamenicky font ROM options to the IBM MDA and Hercules
  • Added 256 KB video RAM option to the Paradise WD90C30-LR
  • Added 512 KB video RAM option to the IBM 8514/A
  • Added linear framebuffer base option to VLB Cirrus Logic cards
  • Added 640x480 mode and other missing features to the C&T SuperEGA
  • Fixed incorrect refresh rates on many cards
  • Fixed rendering issues with specific drivers on many cards
  • Fixed Voodoo Banshee/3 crashing the emulator while booting BeOS
  • Fixed Voodoo 3D rendering glitches on some games
  • Fixed ATI Mach32 rendering issues on NeXTSTEP
  • Fixed ATI Mach64 rendering glitches on Solaris
  • Fixed Voodoo Banshee/3 rendering glitches on full motion video applications
  • Fixed C&T B69000 and Cirrus Logic cards not working with some drivers
  • Fixed XGA emulator crashes with some drivers
  • Fixed Force 4:3 display ratio option on 8514/A and XGA cards
  • Fixed transparency glitches with some games on Voodoo cards
  • Fixed 8-bit color glitches on the ATI Mach64VT
  • Fixed cursor glitches on the ATI Mach64VT
  • Fixed Bochs SVGA machine compatibility issues
  • Fixed emulator crash on exit with some VGA cards
  • Fixed text mode formatting attributes on EGA cards
  • Fixed pixel inaccuracy with VGA overscan
  • Fixed video RAM size reporting on Paradise cards
• Input
  • Added 5-button 2-wheel PS/2 mouse option to emulate a horizontal tilt wheel (as seen on later Microsoft IntelliMouse Explorer models)
  • Added Mouse Systems bus mouse
  • Added Microsoft Serial BallPoint mouse
  • Added CH Flightstick Pro + CH Pedals and Thrustmaster FCS + Rudder Control System game port joysticks
  • Added generic flight yoke and steering wheel game port joysticks
  • Added keyboard type selector
  • Added host touchscreen input support to the 3M MicroTouch
  • Added calibration data saving, software baud rate selection and more missing features to the 3M MicroTouch
  • Fixed keyboard not working with some DOS games
  • Fixed mouse wheel on Linux hosts
  • Fixed serial mouse crashing the emulator on SCO Unix
  • Fixed Logitech serial mouse and Microsoft InPort bus mouse not working with some drivers
  • Fixed stuck keys after a soft reboot through Ctrl+Alt+Del
  • Fixed 3M MicroTouch misaligning touches when the emulated display is scaled
  • Fixed serial mouse (again) and 3M MicroTouch crashing the emulator if attached to a non-existent serial port
• Sound
  • Added non-IDE variants of the Sound Blaster 16 PnP and AWE64 cards
  • Added Gravis UltraSound MAX ISA sound card
  • Added Creative EMU8000 PnP (Goldfinch) ISA sound card
  • Added Sound Blaster ViBRA 16CL ISA sound card
  • Added Ensoniq AudioPCI (ES1370) PCI sound card
  • Added Mindscape Music Board ISA sound card
  • Added The Entertainer Commodore SID-based ISA sound card
  • Added Covox Voice Master Key, Covox Sound Master Plus, ISA DAC and Rainbow Arts PC-Soundman ISA sound cards
  • Added game port disable option to select Sound Blaster models
  • Added SID model and filter strength options to the Innovation SSI-2001
  • Fixed PC speaker sound effect glitches with slow PIT mode on some games
  • Fixed Sound Blaster 16 family cards not working on OS/2 verison 4
  • Fixed Sound Blaster Classic detection by more DOS games
  • Fixed ESS cards (including MCA models) not working with some drivers
  • Fixed ESS ES688 playback issues on OS/2
  • Fixed ESS ES688 crashing the emulator when its non-existent MPU-401 is accessed
  • Fixed VIA on-board sound playback issues with some drivers
  • Fixed low default volume and playback speed issues on the Pro Audio Spectrum Plus
  • Fixed sound distortion on the AdLib Gold
  • Renamed SB/DSP and MPU-401 MIDI input options on sound cards to Receive MIDI input and Receive MIDI input (MPU-401) respectively
  • Updated ymfm and reSIDfp libraries
• Network
  • Added TAP networking support for Linux hosts
  • Added MAC address OUI (vendor) editing to the generic NE1000 and NE2000 cards
  • Improved SLiRP connection stability (especially on Windows hosts)
  • Fixed modem crashing the emulator with Assertion failed! message under heavy Telnet traffic (again)
  • Fixed modem crashing the emulator if attached to a non-existent serial port
  • Fixed modem not connecting to some Telnet servers which require option negotiation
  • Fixed modem hanging the emulated machine when receiving a dial-in call
  • Fixed Realtek RTL8139C+ not working with some drivers
  • Fixed Realtek RTL8139C+ reporting a half-duplex link (known issue: still not 100 Mbit)
  • Fixed NE2000 and compatible cards not working with NetWare client drivers
  • Renamed AMD PCnet-VL network card to PCnet-32
• Ports
  • Added bidirectional, ECP and EPP parallel port modes on supported machines
  • Added named pipe client mode to serial passthrough on Windows hosts
  • Fixed ESC/P printer not printing text when using a system-wide or custom ROM directory
• Storage
  • Added Panasonic/MKE CD-ROM interface and drive
  • Added Alcohol 120% MDS CD-ROM image support
  • Added read and write error reporting to hard disks, CD-ROM, MO and ZIP drives
  • Added hard disk model presets to the existing disk speed system
  • Added a removable disk drive system including a generic drive
  • Added Micro Solutions CompatiCard I and II floppy drive controller cards
  • Added support for up to 4 hard disk controllers per machine
  • Added CMD PCI-0646, PCI-0648 and PCI-0649 IDE controller cards
  • Added generic AMD 53C974A card based on the PCscsi controller
  • Added Seagate ST-50X ISA MFM controller card
  • Added single-channel variants of the XTIDE controller cards
  • Added support for raw floppy images in the OpenStep 1.6 MB format
  • Added I/O address, BIOS address and writable ROM options to the PC/XT XTIDE controller card
  • Added more IRQ options to the Trantor T128 SCSI card
  • Added BIOS version options to the Adaptec AHA-154xB and AMD 53C974 SCSI cards
  • Added early ATAPI/SCSI variant (1.00) to the standard 86Box CD-ROM model
  • Reworked CD-ROM emulation to fix many issues with specific discs and improve performance
  • Improved raw disk image creation performance on Linux and macOS hosts
  • Improved MO and ZIP drive performance
  • Improved floppy drive performance in turbo timings mode
  • Changed CD-ROM drives to reject DVDs on drive models without DVD support
  • Changed ZIP drives to removable disk drives under the new system
  • Changed tertiary and quaternary IDE controllers to selectable hard disk controllers under the new system
  • Changed Vision Systems LBA Enhancer to a selectable ISA ROM card under the new system in the Other peripherals section
  • Removed broken special PS/2 floppy drive types (PS/2 machines should now use standard floppy drives)
  • Fixed hard disks disappearing from the emulated machine if the image file is in use (disks now remain present but reads/writes fail with errors)
  • Fixed mounted folders reading inaccessible host files as corrupted data (a read error is now returned instead)
  • Fixed emulator crash when ejecting disk images on some hosts
  • Fixed Windows 95 not reading floppy disks after a soft reboot
  • Fixed some operating systems not reading floppy disks when booting with a disk inserted
  • Fixed a cue/bin emulation inaccuracy affecting some copy-protected CDs
  • Fixed PS/2 ESDI disk errors on Xenix and OS/2 version 1
  • Fixed IDE disk errors on OS/2 version 3
  • Fixed startup hangs on some DOS CD-ROM games
  • Fixed CD-ROM boot issues with FreeBSD discs in some machines
  • Fixed AMD 53C974, Tekram DC-390 and IBM PS/2 SCSI Adapter not working with some drivers
  • Fixed IBM PS/2 SCSI Adapter detecting duplicate SCSI devices
  • Fixed NCR 53c90a MCA card instability and CD audio issues
  • Fixed Trantor and Pro Audio Spectrum SCSI instability
  • Fixed 2.3 GB MO image corruption
  • Fixed Adaptec AHA-1542CP boot ROM not working on some Plug and Play machines
  • Fixed BusLogic SCSI controllers causing boot errors after exiting AUTO-SCSI on some machines
  • Fixed slow detection of IDE channels with a single device by some BIOSes and Linux
  • Fixed emulation of specific protection methods on 86F floppy images
  • Fixed disk image write timing issue affecting very specific cases on very specific machines
  • Fixed incorrect identification data on the AT ESDI controller
  • Fixed incorrect VHD image geometry in some cases
  • Fixed emulator crash when ejecting disk images with long file paths
• Other
  • Added ISA ROM cards for loading arbitrary option ROMs into the emulated machine
  • Added AST MegaPlus II ISA memory expansion and RTC card (currently as separate devices in their respective categories)
  • Improved ISABugger display with monospaced font and colored LEDs
  • Changed maximum memory amount and IRQ options on the AST SixPackPlus ISA memory expansion card
  • Changed minimum and maximum memory amounts on the Everex EV-165A ISA memory expansion card (and fixed the double magic in its name)