I used (with success) version 2.1.1 (available from Aminet).

my .bochsrc parameters:

display_library: sdl (you have it hashed, and I guess here lies the problem)
romimage: file=bios/BIOS-bochs-latest, address=0xf0000
megs: 32
vgaromimage: bios/VGABIOS-lgpl-latest (check if this helps too)
ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14 (what do you need all the other ata's for? :) )
ata0-master: type=disk, mode=flat, path=twardy.img, cylinders=406, heads=16, spt=63 (of course the path, cyl, head and spt depend on the image file you're using)
boot: disk
ips: 1000000
floppy_bootsig_check: disabled=0
log: bochsout.txt
panic: action=ask
error: action=report
info: action=report
debug: action=ignore
debugger_log: -
vga_update_interval: 25000 (You can set it to default 100000, I've been experimenting with Bochs and Efika :) )
keyboard_serial_delay: 250
keyboard_paste_delay: 100000
floppy_command_delay: 500
mouse: enabled=0
private_colormap: enabled=0
keyboard_mapping: enabled=0, map=