How can I make my emulator run more slowly? I've looked through the forum but can't find anything that helps

PC specs:
Intel Core i7
4Gb RAM
XP Pro 64 bit
Basilisk II prefs:
disk C:\Games\BasiliskII\install.hfv
extfs
screen win/512/342
seriala COM1
serialb COM2
udptunnel false
udpport 6066
rom C:\Games\BasiliskII\quadra650.rom
bootdrive 0
bootdriver 0
ramsize 8388608
frameskip 6
modelid 5
cpu 3
fpu false
nocdrom true
nosound false
noclipconversion false
nogui false
jit true
jitfpu true
jitdebug false
jitcachesize 8192
jitlazyflush true
jitinline true
keyboardtype 5
keycodes false
mousewheelmode 1
mousewheellines 3
ignoresegv false
idlewait true
enableextfs true
debugextfs false
extdrives CDEFGHIJKLMNOPQRSTUVWXYZ
pollmedia true
etherpermanentaddress true
ethermulticastmode 0
routerenabled false
ftp_port_list 21
portfile0 C:\B2TEMP0.OUT
portfile1 C:\B2TEMP1.OUT