Having spent hours browsing and reading these forums, I bit the bullet and bought and built a CarPC -
Travla C-134 Case, EPIAM10K, 512Mb Ram, 80Gb HD, Panasonic DVD/CD-RW, Carnetix P-1260, BR304 GPS Rx, Lilliput 7" Touchscreen and a Griffin Road Trip FM Transmitter (as my car a Volvo XC-90 has "MOST" - Volvo's patented anti-aftermarket Audio system which for the un-initiated is a completely Fibre Optic system, with no known means of adding AUX inputs), plus Linksys USB WiFi Client, and Siemens S55 Handset for GPRS / Phoco.net
All went well on install No.1 - acres of room under the bootspace floor to put the PC, a nice plastic roof to hide the GPS under, plenty of room to mount the FM Tx in the roof as well, near the "Grid Array" Antenna. The Lilli went dodgily in the hole in the front dash to keep your business cards / fags etc. To be completed....
Overall Score 4/10 - impressed people with a PC in the car - sound "iffy" even though the Griffin has 4 presets, having to hop round to get the best reception - not what i was looking for plus the lilli looked very "ghetto".
Install No.2 - Get that Lilli mounted. So I took the grille off the Sub in the middle of the dash, and fabricated a hood out of MDF to mount the Lilli - sans case.
Pics.....
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I'd got the leather from a local trim company and was all ready to cover the MDF and blend the whole thing in. When...
Install No3. - Get the sound working (you don't spend all that cash to listen to hiss, pops and whistles) so with some help from Andy from my local ICE store, I got hold of an Audison SRX4 amp and crossovers.
Working on the principal that the speakers will still be copper from the factory amp - even though its totally Fibre inputs so they should be able to be routed through the SRX4. Luckily my theory held true, Volvo haven't gone for Fibre to the speakers, and it all went in today - thanks Andy.
Install No4. - Sound from the EPIA is not great, so off to get a Soundblaster Live24 USB soundcard. Wow! what a difference, brilliant sound quality - this is is what I wanted.
Install No5. - Will be remove unfinished MDF hood and replace SUB grille, remove the factory HU and install the screen into the space - plenty of room its double DIN and a half and probably put the CD from the PC into the space as well. Off to the fabrication forums for me.
Then sell half a hide of Volvo grey leather and work out whether its worth dragging the pC from the back to the front, just to reduce the length of some of the cable looms.
Install No6. - who knows Dual Screens for the Kids in the back, reversing camera, etc etc......
Thanks to all in these forums without your posts and experience I wouldn't have even taken on the "impossible", but its been worth it Volvo's MOST is now LEAST (well for me anyway). As far as I can tell I'm the first XC90 CarPC on MP3car.
I look froward to your constructive criticisms!!!