[HTC Sensation] id242:
1. Download the rom

2. Open the .zip

3. Navigate to the "system" sub-directory

4. Notice the "build.prop" text file just waiting there for you

5. profit.

tl;dr...

# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=GRJ22
ro.build.display.id=GRJ22
ro.build.version.incremental=eng.kmobs.20111031.203019
ro.build.version.sdk=10
ro.build.version.codename=REL
ro.build.version.release=2.3.7
ro.build.date=Mon Oct 31 20:30:40 CDT 2011
ro.build.date.utc=0
ro.build.type=user
ro.build.user=kmobs
ro.build.host=archVM
ro.build.tags=test-keys
ro.product.model=Sensation
ro.product.brand=htc
ro.product.name=htc_pyramid
ro.product.device=pyramid
ro.product.board=pyramid
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=HTC
ro.product.locale.language=hdpi
ro.product.locale.region=
ro.wifi.channels=
ro.board.platform=msm8660
# ro.build.product is obsolete; use ro.product.device
ro.build.product=pyramid
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=cyanogen_pyramid-eng 2.3.7 GINGERBREAD eng.kmobs.20111031.203019 test-keys
ro.build.fingerprint=tmous/htc_pyramid/pyramid:2.3.4/GRJ22/125597.1:user/release-keys
# end build properties
# system.prop for pyramid
#

debug.fb.rgb565 = 0
debug.sf.hw=1

#C2D
debug.composition.type = c2d

rild.libpath=/system/lib/libhtc_ril.so
# RilLibPath for Ganlite by Godel_Chen
rild.libpath.ganlite=/system/lib/librilswitch.so
rilswitch.vendorlibpath=/system/lib/libhtc_ril.so
rilswitch.ganlibpath=/system/lib/libganril.so

# Modify MMS APN retry timer from 5s to 2s.
ro.gsm.2nd_data_retry_config = max_retries=3, 2000, 2000, 2000

# pyramid RF team request
ro.ril.enable.dtm = 0
ro.ril.gprsclass = 12
ro.ril.hsdpa.category = 10
ro.ril.hsupa.category = 6
ro.ril.hsxpa = 3

ro.ril.enable.ganlite = 1

# Default network type.
# 0 => WCDMA preferred.
ro.telephony.default_network=0

wifi.interface=eth0
wifi.supplicant_scan_interval=15

mobiledata.interfaces=gannet0,rmnet0,rmnet1,rmnet2

# The OpenGL ES API level that is natively supported by this device.
# This is a 16.16 fixed point number
ro.opengles.version = 131072

# This is a high density device with more memory, so larger vm heaps for it.
# Change to 32m, due to 2.3.3 GB already change to 32m
dalvik.vm.heapsize=32m

# For the default value of agps
ro.ril.def.agps.mode = 2

# For HSDPA low throughput
ro.ril.disable.power.collapse = 1

# For Pyramid China NEL
ro.ril.enable.prl.recognition = 1

# For emmc phone storage
ro.phone_storage = 0

# Make rmt_storage start at init
ro.emmc = 1

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.sf.lcd_density=240
ro.com.google.clientidbase=android-htc
ro.com.google.locationfeatures=1
ro.com.google.networklocation=1
ro.setupwizard.enable_bypass=1
dalvik.vm.lockprof.threshold=500
dalvik.vm.dexopt-flags=m=y
media.a1026.nsForVoiceRec=0
media.a1026.enableA1026=0
htc.audio.alt.enable=0
htc.audio.hac.enable=1
keyguard.no_require_sim=true
ro.rommanager.developerid=cyanogenmod
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.com.google.clientidbase=android-google
ro.com.android.wifi-watchlist=GoogleGuest
ro.setupwizard.enterprise_mode=1
ro.com.android.dateformat=MM-dd-yyyy
ro.com.android.dataroaming=false
ro.config.ringtone=Playa.ogg
ro.config.notification_sound=regulus.ogg
ro.config.alarm_alert=Alarm_Beep_03.ogg
ro.modversion=CyanogenMod-7.1.0-SelfKANG10-Sensation
ro.setupwizard.mode=OPTIONAL
dalvik.vm.dexopt-flags=m=y
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt