Some fun with the MMCS display
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:yeahthat:
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If anybody figures out how to sideload apps, that should be enough. It is basically Windows and will just need Evoscan PPC version to run on it.
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I hope to get some details on how to remove and unlock the drive and edit files later this week. And a brief description of what files are where (I have posted some of that data previously).
Getting applications to run on it is gonna be much more difficult. Perhaps just using it as an AUX input and display would be much easier for digital displays.
I think it would be cool to have track maps added along with lap and sector times - again, not an easy task.
Getting applications to run on it is gonna be much more difficult. Perhaps just using it as an AUX input and display would be much easier for digital displays.
I think it would be cool to have track maps added along with lap and sector times - again, not an easy task.
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Tools Needed
Tools needed:
- Small Phillips driver #0
- T8 Torx screwdriver
- Notebook 2.5” IDE to 40-pin IDE adapter
http://www.pccables.com/00504.htm
http://www.macmall.com/p/product~dpno~460984~pdp.befdgdc;jsessionid=9871017C418CFA9C393495E45E59AA73?emOmni=null&source=MWBGOOGLEBASE
- USB-to-IDE adapter
[ame]http://www.amazon.com/Drive-Adapter-Converter-Optical-External/dp/B001OORMVQ/ref=sr_1_2?ie=UTF8&qid=1334349515&sr=8-2[/ame]
- Graphic file editing tool
- (Optional) A new hard drive for backup image with a late version linux rescue disk (and knowledge of dd)
- This bootable ISO image burned to CD (save file, burn to CD as ISO image, boot to this CD)
UnlockMMCS.iso
Tools needed:
- Small Phillips driver #0
- T8 Torx screwdriver
- Notebook 2.5” IDE to 40-pin IDE adapter
http://www.pccables.com/00504.htm
http://www.macmall.com/p/product~dpno~460984~pdp.befdgdc;jsessionid=9871017C418CFA9C393495E45E59AA73?emOmni=null&source=MWBGOOGLEBASE
- USB-to-IDE adapter
[ame]http://www.amazon.com/Drive-Adapter-Converter-Optical-External/dp/B001OORMVQ/ref=sr_1_2?ie=UTF8&qid=1334349515&sr=8-2[/ame]
- Graphic file editing tool
- (Optional) A new hard drive for backup image with a late version linux rescue disk (and knowledge of dd)
- This bootable ISO image burned to CD (save file, burn to CD as ISO image, boot to this CD)
UnlockMMCS.iso
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7,866 Posts
Open the MMCS to expose the CD/DVD/hard drive access area.
![Vehicle Car Multimedia Electronics Vehicle audio]()
Carefully remove the plastic cover over the hard drive slot in the MMCS.
![Electronics Vehicle Car Multimedia Technology]()
![Electronics Technology Electronic device Videocassette recorder]()
Using a T8 Torx driver, loosen the two screws retaining the hard drive carrier. The screws are captive by the carrier and will not fall out.
![Mid-size car Vehicle]()
Carefully remove the plastic cover over the hard drive slot in the MMCS.
Using a T8 Torx driver, loosen the two screws retaining the hard drive carrier. The screws are captive by the carrier and will not fall out.
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Grab one of the T-studs on the carrier and pull the drive out of the MMCS head unit. Alternately use the plastic flag tab to pull it out. Be careful to not damage the MMCS screen while R&Ring the drive tray.
![Electronics Technology Electronic device Multimedia Vehicle]()
![Bumper Automotive exterior Trunk Hand Vehicle door]()
If needed, remove the drive from the carrier to connect it to an IDE computer port (note the following pinout chart can be used to Master/Slave the drive using a small SCSI jumper
http://storage.toshiba.com/storage-...nical-support/jumper-settings-for-pata-drives , a great way to use "dd" to make an image of the unlocked drive before modifying!):
![]()
![Electronics Technology Electrical network Electronic component Electronic device]()
![Technology Electronic device Wire]()
If needed, remove the drive from the carrier to connect it to an IDE computer port (note the following pinout chart can be used to Master/Slave the drive using a small SCSI jumper
http://storage.toshiba.com/storage-...nical-support/jumper-settings-for-pata-drives , a great way to use "dd" to make an image of the unlocked drive before modifying!):
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Note the boot CD ISO provided only works with the two IDE channels Primary/Secondary Master/Slave configurations.
After the drive is connected to an IDE port, boot to the CD. Once it comes to the A:\> prompt, enter “unlockhd.bat” and press Enter. When the screen asks for which drive to unlock, select the proper option (Primary Master, Primary Slave, Secondary Master, Secondary Slave). Proceed until it returns back the A:\> prompt.
You can check the lock status of all attached drives using unlockx.bat.
Restart the computer. It should now show the drive letters assigned (chart below is in DOS format; Linux partition order is different!) to the six hard drive partitions. If you want to make a backup image, now is the time to do it. If you use the boot CD with no other drives connected, the partition order will be the following:
C: is the NAV files partition. 20481MB Primary 1
D: is the Screen partition. 1027MB Logical drive
E: is the CDDB database partition 1027MB Logical drive
F: is the AVUNIT (Music Server) 5436MB Logical drive
G: is the swap partition 125MB Primary 2
H: is the Loading partition 509MB Primary 3
Note that the drive letter/partition order will vary for other operating systems, such as Linux.
All partitions are TFAT. If you choose to play with the partitions, be careful to keep the same volume labels and Volume ID values. Note that the NAV partition Volume ID changes with the Navigation software version – updating to newer maps will change the Volume ID. Additionally note that most files and directories are Read-Only, 0555, except the Music Server files which are 0777.
Note the stock Music Server partition is ~5.4GB, which means it will hold just shy of 100 CDs. I imaged the entire [unlocked] drive to a larger capacity hard drive, Toshiba MK8050GAC at 80GB, and then expanded the Music Server partition to slightly larger than 50GB. Haven’t filled it up yet and I’ve got over 350 CDs recorded there so far.
The original drive, on the 2008 models. is either a Toshiba MK3029GAC (30GB) or a Toshiba MK4036GAC (40GB). I have tried using Seagate’s series of 80GB automotive hard drives with mixed results while the Toshiba MK8050GAC (80GB) has always worked flawlessly.
Once the drive is unlocked, use the USB adapter to mount it to a computer for file copying/editing. If you mount to a 32-bit Windows or newer, the file/directory names will display in LFN format (long file names).
After the drive is connected to an IDE port, boot to the CD. Once it comes to the A:\> prompt, enter “unlockhd.bat” and press Enter. When the screen asks for which drive to unlock, select the proper option (Primary Master, Primary Slave, Secondary Master, Secondary Slave). Proceed until it returns back the A:\> prompt.
You can check the lock status of all attached drives using unlockx.bat.
Restart the computer. It should now show the drive letters assigned (chart below is in DOS format; Linux partition order is different!) to the six hard drive partitions. If you want to make a backup image, now is the time to do it. If you use the boot CD with no other drives connected, the partition order will be the following:
C: is the NAV files partition. 20481MB Primary 1
D: is the Screen partition. 1027MB Logical drive
E: is the CDDB database partition 1027MB Logical drive
F: is the AVUNIT (Music Server) 5436MB Logical drive
G: is the swap partition 125MB Primary 2
H: is the Loading partition 509MB Primary 3
Note that the drive letter/partition order will vary for other operating systems, such as Linux.
All partitions are TFAT. If you choose to play with the partitions, be careful to keep the same volume labels and Volume ID values. Note that the NAV partition Volume ID changes with the Navigation software version – updating to newer maps will change the Volume ID. Additionally note that most files and directories are Read-Only, 0555, except the Music Server files which are 0777.
Note the stock Music Server partition is ~5.4GB, which means it will hold just shy of 100 CDs. I imaged the entire [unlocked] drive to a larger capacity hard drive, Toshiba MK8050GAC at 80GB, and then expanded the Music Server partition to slightly larger than 50GB. Haven’t filled it up yet and I’ve got over 350 CDs recorded there so far.
The original drive, on the 2008 models. is either a Toshiba MK3029GAC (30GB) or a Toshiba MK4036GAC (40GB). I have tried using Seagate’s series of 80GB automotive hard drives with mixed results while the Toshiba MK8050GAC (80GB) has always worked flawlessly.
Once the drive is unlocked, use the USB adapter to mount it to a computer for file copying/editing. If you mount to a 32-bit Windows or newer, the file/directory names will display in LFN format (long file names).
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On the Screen partition:
\ScreenData contains opening.bmp. That is the initial splash screen. use your favorite graphics editing tool to edit this file, then write it back to the drive. Note that the MMCS unit must be power-cycled (with the drive installed already) for this splash screen to load.
\ScreenData\Can\imagefiles contains the Air_Con.gif file that I modified as shown in the first post. Gave her some eyes and stuff. Flavor to taste.
\ScreenData\Opening\imagefiles contains the animated GIF files that appear just after the splash screen. There are four default animated gif included: Opening_autumn.gif, Opening_normal.gif, Opening_spring.gif, Opening_summer.gif, & Opening_winter.gif. Pick which file you want displayed and copy it/rename it to Opening_normal.gif. or create your own and name it Opening_normal.gif in this directory. The second pic above is the winter gif file. The default files are about 1MB - don't know what the size limit is for it to load.
There’s lots and lots of other assorted graphics files generally in an “imagefiles” directory. Be sure to tag the files Read-Only when you’re done editing.
Enjoy!
\ScreenData contains opening.bmp. That is the initial splash screen. use your favorite graphics editing tool to edit this file, then write it back to the drive. Note that the MMCS unit must be power-cycled (with the drive installed already) for this splash screen to load.
\ScreenData\Can\imagefiles contains the Air_Con.gif file that I modified as shown in the first post. Gave her some eyes and stuff. Flavor to taste.
\ScreenData\Opening\imagefiles contains the animated GIF files that appear just after the splash screen. There are four default animated gif included: Opening_autumn.gif, Opening_normal.gif, Opening_spring.gif, Opening_summer.gif, & Opening_winter.gif. Pick which file you want displayed and copy it/rename it to Opening_normal.gif. or create your own and name it Opening_normal.gif in this directory. The second pic above is the winter gif file. The default files are about 1MB - don't know what the size limit is for it to load.
There’s lots and lots of other assorted graphics files generally in an “imagefiles” directory. Be sure to tag the files Read-Only when you’re done editing.
Enjoy!
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