[Asus  Eee Pad Transformer Prime] turboman93:
OK, I've tried again. I've copied the 3 files to /system/xbin, I copied the stock build.prop file into /system, I've copied the stock gzip to /system/sbin, I've copied the dlpkgfile to the /cache directory and run through Trekest's steps again. My result:

cat /cache/recovery/last_log

Starting recovery on Thu Sep 27 15:53:09 2012

can't open /dev/tty0: No such file or directory

framebuffer: fd 3 (1280 x 800)

recovery filesystem table

=========================

0 /tmp ramdisk (null) (null) 0

1 /system ext4 /dev/block/mmcblk0p1 (null) 0

2 /cache ext4 /dev/block/mmcblk0p2 (null) 0

3 /misc emmc /dev/block/mmcblk0p3 (null) 0

4 /boot emmc boot (null) 0

5 /recovery emmc recovery (null) 0

6 /staging ext3 /dev/block/mmcblk0p4 (null) 0

7 /btmac vfat /dev/block/mmcblk0p5 (null) 0

8 /data ext4 /dev/block/mmcblk0p8 (null) -32768

9 /sdcard vfat /dev/block/mmcblk1p1 /dev/block/mmcblk1 0

I:Got arguments from /cache/recovery/command

Command: "/sbin/recovery" "--update_package=/cache/dlpkgfile"

ro.secure=1

ro.allow.mock.location=0

ro.debuggable=0

persist.sys.usb.config=mtp,adb

ro.build.id=IML74K

ro.build.display.id=IML74K.US_epad-9.4.2.28-20120525

ro.build.version.incremental=US_epad-9.4.2.28-20120525

ro.build.version.sdk=15

ro.build.version.codename=REL

ro.build.version.release=4.0.3

ro.build.date=Fri May 25 14:56:03 CST 2012

ro.build.date.utc=1337928963

ro.build.type=user

ro.build.user=

ro.build.host=Venus

ro.build.tags=release-keys

ro.product.model=EPAD

ro.product.brand=asus

ro.product.name=US_epad

ro.product.device=EeePad

ro.product.board=EeePad

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=asus

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=tegra

ro.build.product=EeePad

ro.build.description=US_epad-user 4.0.3 IML74K US_epad-9.4.2.28-20120525 release

-keys

ro.build.fingerprint=asus/US_epad/EeePad:4.0.3/IML74K/US_epad-9.4.2.28-20120525:

user/release-keys

ro.build.characteristics=tablet

ro.opengles.version=131072

wifi.interface=wlan0

rild.libpath=/system/lib/libril-icera.so

rild.libargs=-e wwan0

persist.tegra.nvmmlite=1

debug.nfc.fw_download=false

debug.nfc.se=false

ro.config.notification_sound=NewMessage.ogg

persist.sys.ringermode=2

ro.config.bootsound=PowerOn.ogg

ro.config.alarm_alert=Alarm_Classic.ogg

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.heapsize=256m

wifi.version.driver=V6.1.24

gps.version.driver=V6.9.20

keyguard.no_require_sim=true

ro.kernel.qemu=

bt.version.driver=V9.29

drm.service.enabled=1

windowsmgr.max_events_per_sec=200

ro.setupwizard.mode=OPTIONAL

ro.com.google.gmsversion=4.0_r1

gsm.bodysargsm=32,26,29,29

ro.com.google.clientidbase=android-asus

ro.wifi.country=US

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

net.change=net.bt.name

dalvik.vm.stack-trace-file=/data/anr/traces.txt

ro.factorytest=0

ro.serialno=C3OKAS073004

ro.bootmode=unknown

ro.baseband=unknown

ro.carrier=wifi-only

ro.bootloader=unknown

ro.hardware=cardhu

ro.revision=0

ro.crypto.fs_type=ext4

ro.crypto.fs_real_blkdev=/dev/block/mmcblk0p8

ro.crypto.fs_mnt_point=/data

ro.crypto.fs_flags=0x00000006

ro.crypto.state=unencrypted

ro.epad.model=TF201

persist.sys.NV_STEREOCTRL=0

persist.tegra.NV_FPSLIMIT=0

persist.sys.NV_FPSLIMIT=35

persist.sys.NV_POWERMODE=1

persist.sys.profiler_ms=0

persist.sys.NV_STEREOSEP=20

persist.sys.NV_STEREOSEPCHG=0

persist.sys.NV_PROFVER=21

persist.sys.fw.camera.status=1

persist.sys.language=en

persist.sys.country=US

persist.sys.localevar=

persist.sys.timezone=America/Chicago

persist.sys.time_synced=1

persist.sys.NV_STEREOAPP=0

init.svc.recovery=running

init.svc.adbd=running

I:Enable RSA key verification.

Installing update...

Finding update package...

I:Update location: /cache/dlpkgfile

Opening update package...

I:1 key(s) loaded from /res/keys

Verifying update package...

I:comment is 1682 bytes; signature 1664 bytes from end

I:whole-file signature verified against key 0

I:verify_file returned 0

Installing update...

Verifying current system...

file "/system/bin/ip" doesn't have any of expected sha1 sums; checking cache

failed to stat "/cache/saved.file": No such file or directory

failed to load cache file

script aborted: assert failed: apply_patch_check("/system/bin/ip", "bd6e07dbec22

33d588fa61fbed93994e7df9d7e9", "7309f93d0a2de0ea21c6514902858081a1e94a2c")

assert failed: apply_patch_check("/system/bin/ip", "bd6e07dbec2233d588fa61fbed93

994e7df9d7e9", "7309f93d0a2de0ea21c6514902858081a1e94a2c")

E:Error in /cache/dlpkgfile

(Status 7)

Installation aborted.

I:result_code: 410

Check and format /storage to vfat if needed...

Mount /btmac successfully

Done.

I'm at a loss at this point. This is a stock ROM rooted with nothing custom.

EDIT: I just noticed the the file that gives to wrong sha1 sum is different. II'm beginning to believe this is because BusyBox is installed and has replaced these files. Is there a way for us to remove the BusyBox without screwing up root?