[Atrix 4G Android Development] TGHI:
Yes, I am on a Bell Atrix.

Root (permanent) was successful: http://xdaforums.com/showthread.php?t=1045634

build.prop and default.prop for this ROM is as follows:

# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=OLYEM_U4_2.1.1
ro.build.display.id=OLYEM_U4_2.1.1
ro.build.version.incremental=4009634
ro.build.version.sdk=8
ro.build.version.codename=REL
ro.build.version.release=2.2.2
ro.build.date=Fri Apr 29 00:01:01 CST 2011
ro.build.date.utc=1304006461
ro.build.type=user
ro.build.user=e13392
ro.build.host=zch68lnxdroid46
ro.build.tags=ota-rel-keys,release-keys
ro.product.model=MB860
ro.product.model.internal=MB860
ro.product.brand=MOTO
ro.product.name=MB860_RTFR
ro.product.device=olympus
ro.product.board=olympus
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=motorola
ro.product.locale.language=fr
ro.product.locale.region=FR
ro.wifi.channels=
ro.board.platform=tegra
# ro.build.product is obsolete; use ro.product.device
ro.build.product=olyem
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=olympus-user 2.2.2 OLYEM_U4_2.1.1 ota-rel-keys,release-keys
ro.build.fingerprint=MOTO/MB860_RTFR/olympus/olympus:2.2.2/OLYEM_U4_2.1.1/4009634:user/ota-rel-keys,release-keys
# end build properties
#BEGIN ikolympus-145 ndkj78 04/29/10 add properties for RIL
rild.libpath=/system/lib/libmoto_ril.so
#ikolymp-874 increment channels to support EFEM
persist.ril.mux.noofchannels=9
persist.ril.mux.ttydevice=/dev/ttyHS3
#Begin IKOLYMP-2372 jqc837 31.aug.10 Short music file set as ringtone does not play in loop when receiving incoming call
#Begin IKOLYMP-425 jqc837 31.aug.10 ro.cdma.home.operator.numeric should not be set
ro.telephony.call_ring.multiple=false
#End IKOLYMP-2372 IKOLYMP-425
#added property for modem ikolympus-203
persist.ril.modem.ttydevice=/dev/ttySPI0
#added property for default RIL mode to be UMTS ikolymp2180
persist.ril.modem.mode=2
#IKOLYMP-4257 add feature GENERIC_OEM_HOOK flag
#IKOLYMP-4894 add feature MUX_PANIC_NOTIF flag
#IKOLYMP-5747 add feature BDTSE_FOR_DTMF flag
#IKOLYMP-7714 Remove feature BDTSE_FOR_DTMF. Revert to DTSE for DTMF
#IKOLYMP-8033 Restore BDTSE_FOR_DTMF. Remove GENERIC_OEM_HOOK (no longer used)
persist.ril.features=0x24
#IKOLYMP-9894 Increase the PPP max failure threshold to 12
#IKOLYMP-10006 Increase the PPP max failure threshold to 16
persist.ril.pppd.start.fail.max=16
#end

#IKOLYMP-9157 libgps send_rds retry number+1
persist.libgps.send.rds.retry=4

ro.hdmi.mirror.enable=false
ro.hdmi.default.app=
hw.overlay.path.config=

# temporary enable AT&T NSUI feature from system prop.
# This should be removed once Flex is enabled in Olympus.
ro.mot.FTR.NSUI=false

# for larger screen support
# 3.75" WVGA == 248dpi
# 4.0" qHD == 275dpi
ro.sf.lcd_density=240
dalvik.vm.heapsize=32m

# Enable FP sensor
ro.mot.hw.fingerprint.enable=1

# required for UDD backup tcmd
ro.mot.hw.calibratedImager=1

# Time between scans in seconds. Keep it high to minimize battery drain.
# This only affects the case in which there are remembered access points,
# but none are in range.
wifi.supplicant_scan_interval = 45

#For enabling Wispr Feature
#disable att wifi hotspot, IKOLYEM-254
ro.mot.wifi.hotspot=0

# To enable Google Froyo Tethering (USB & WIFI hotspot)
ro.tether.denied=false

# To set wifi (AP) driver's firmware path
ro.wifi-ap.fw-path=/system/etc/firmware/wifi/sdio-g-cdc-roml-reclaim-wme-apsta-idsup-idauth.bin

# Enabling EONS feature IKOLYMP-1962
persist.cust.tel.eons=1

ro.opengles.version = 131072

# For docked touchpad keyboard map
android.keylayout.evfwd=/system/usr/keylayout/evfwd.kl
android.keychar.evfwd=/system/usr/keychars/evfwd.kcm.bin

# To send 70 touch events per second
windowsmgr.max_events_per_sec = 70
debug.mot.extwmlog=0
debug.mot.extamlog=0

#proximit sensor screen off delay
mot.proximity.delay=450

#proximit sensor disable touch distance
mot.proximity.distance=60

# Enable HAC support
ro.mot.hw.HAC=1

# BEGIN Motorola, w30250, 4-Nov-2010, IKOLYMP-6198 turn on entitlement check
# BEGIN Motorola, e13085, 9-Dec-2010, IKOLYHKTW-1 turn off entitlement check
ro.mot.entitlement_check=false
# END
# END

# The property "ro.camera.sound.forced" is defined by google.
# Use this property to decide whether camera shutter tone is forced: 1 forced; 0 not-forced.
# BEGIN Motorola, e7482c, 1-Dec-2010, IKOLYEM-76
ro.camera.sound.forced=0
# BEGIN Motorola, w30495 IKOLYMP-9553, add property to control maximum number of hidden apps
ro.MAX_HIDDEN_APPS=50
# END

# BEGIN Motorola, e7482c IKOLYEM-486, add property to control if disable background data when making call
ro.mot.background_data.disabled=false

# BEGIN Motorola, w20919 IKOLYEM-993, add property to control if email auto config after skip the blur setting
ro.mot.auto.email=true
# END

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.config.alarm_alert=Alarm_Classic.ogg
media.stagefright.enable-player=false
media.stagefright.enable-meta=false
media.stagefright.enable-scan=false
media.stagefright.enable-http=false
ro.default_usb_mode=0
ro.product.multi_touch_enabled=true
ro.product.max_num_touch=2
ro.setupwizard.mode=DISABLED
ro.com.google.gmsversion=2.2_r9
ro.config.sync=no
ro.browser.useragent=0
gsm.sim.mot.simswap=1
ro.config.sync=no
ro.media.dec.vid.wmv.enabled=1
ro.media.dec.aud.wma.enabled=1
ro.media.enc.hprof.file.format=3gp
ro.media.enc.hprof.aud.hz=44100
ro.media.enc.hprof.aud.ch=2
ro.media.enc.hprof.codec.aud=aac
ro.media.enc.hprof.aud.bps=128000
ro.media.enc.hprof.vid.bps=4000000
ro.media.enc.hprof.vid.width=1280
ro.media.enc.hprof.vid.height=720
ro.media.enc.hprof.codec.vid=h264
ro.media.enc.hprof.vid.fps=30
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
ro.com.google.clientid=android-motorola
ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html
ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html
ro.mot.hw.uaprof=http://uaprof.motorola.com/phoneconfig/MotoMB860/profile/MotoMB860.rdf
ro.build.version.full=Blur_Version.4.2.11.MB860.Retail.en.FR
ro.config.ringtone=Piano.ogg
ro.config.notification_sound=Kinetic_Bell.ogg

ro.com.google.clientidbase.am=android-motorola
ro.com.google.clientidbase=android-motorola
ro.com.google.clientidbase.gmm=android-motorola
ro.com.google.clientidbase.yt=android-motorola
ro.com.google.locationfeatures=1
ro.com.google.clientidbase.ms=android-motorola