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[The Fifth Horseman]

Posted that in Technical, but got no reply. Trying here...

Convinced by a few people here (including Data), I tried to run Bochs on my PC.

Going through all the settings and making it boot from CD-Rom took me a few hours. After starting the damn thing with Win98 Boot CD, I end up with the following:

00017694391i[CPU ] BxError: instruction with op1=0xff
00017694391i[CPU ] mod was 40, nnn was 7, rm was 3
00017694391i[CPU ] WARNING: Encountered an unknown instruction (signalling illegal instruction)

This just keeps repeating until BOCHS is closed.

Any idea on what might be happening? I booted the thing from a DOS 7.1 bootdisk and it worked properly...

PS. The following was Bochsrc.txt I used:

config_interface: textconfig
display_library: win32
romimage: file=BIOS-bochs-latest, address=0xf0000
megs: 64
vgaromimage: VGABIOS-elpin-2.40
floppya: 1_44=a:, status=inserted
ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
ata1: enabled=0, ioaddr1=0x170, ioaddr2=0x370, irq=15
ata2: enabled=0, ioaddr1=0x1e8, ioaddr2=0x3e0, irq=11
ata3: enabled=0, ioaddr1=0x168, ioaddr2=0x360, irq=9
ata0-master: type=disk, mode=growing, path=cgate.img, cylinders=2031, heads=16, spt=63
ata0-slave: type=cdrom, path=D:, status=inserted
boot: cdrom
ips: 1250000
clock: sync=none, time0=local
floppy_bootsig_check: disabled=0
log: bochsout.txt
panic: action=ask
error: action=report
info: action=report
debug: action=ignore
debugger_log: -
parport1: enabled=1, file="parport.out"
sb16: midimode=1, midi=/dev/midi00, wavemode=1, wave=/dev/dsp, loglevel=2, log=sb16.log, dmatimer=750000
vga_update_interval: 300000
keyboard_serial_delay: 250
keyboard_paste_delay: 100000
floppy_command_delay: 500
mouse: enabled=1
private_colormap: enabled=0
keyboard_mapping: enabled=0, map=

[Eagle of Fire]

Care to tell me what is Bochs before I move this topic to Technical Stuff please?

[NrmMyth]

Maybe that nobody didn't answer is becouse nobody didn't know what is Bochs, OS??

[Virgil]

Bochs is emulator of x86 machine ,also suitable for linux(and maybe other systems - i don't remember) more complex , than dosbox , but much harder to set up .

[The Niles]

Since this is software related I think we can let this stay here although I would not have moved this if it was posted in technical stuff either.

[The Fifth Horseman]

As I said, I have posted it a few days ago in technical - but there was no reply there, so I decided to try my luck in Troubleshooting.

Yes, BOCHS is supposed to emulate entire X86 PC, not unlike DosBox really, but not the same - it's closer to Virtual PC, since it also emulates hard drives (as disk images) and requires an actual opsys installation.