I'm not a lurker...search the forum for my name and my tricks on re-writting better FW onto DVD players back in the day.
You've so been instrumental with so many posts to help! I took my 805 out of the cabinet on FRI (main TV/Home theater) to upgrade to 1.08 due to the LipSync & DTS Bomb issue I had since day 1 5yrs ago (Onkyo said it was my other components at the time).
FWIW - my unit was a pre-order with the elusive 1.03 MainFW.
The Wife is REALLY on my case and I have issues (she likes her TV/Music). Once unhooked, I realized I was in the 1.00 SOL MainUpdate Club and accidentaly bent the contacts 180 FLAT (but got around it: read on)
I got craftly and built a 10k & jumper override using noting more than some carefully cut flat ribon cable a resistor & snip of the resistor wire to make the jump (I can post pics for those who want to see the surgical process)

Anyhow, Good news!! I got to MainUpdate 1.01 using Windows 7 x64 & USB to DB9 connector & thought life was good after upgrading to Main FW 1.08 & loading the latest DSP SW (what a bizzare way to update the DSPs ?!?!)

Anyhow...I'm stuck with the E2PROM ERROR...I don't care if I trash the unit at this point as I've slept `4hrs all wknd trying all sorts of combo's of FW from various units 875, 905, FW version up FW version down (it didn't fry my my FLASH...it's a flash chip...c'mon)
I've tried FW from the 875 (no E2PROM ERROR, but also NO Video processor

)
I've tried the "new" DSP1 #12116A - still stuck with the E2PROM error.
Tried the Save Settings (no luck - did this way to many times...doesn't help)
Here's the versions I've tried:
805 ORIGINAL (LIP SYNC & POP ISSUE)
MAIN/UPDATE: 1.01/07615L
MAIN FW: 1.03/07607A
DSP1: 8051/07518A
DSP2: 8052/07518A
DSP3: 8053/07518A
VID: 3.51/07516A
HDMI: 1.0/017517A
805 AFTER 1.8 & DSP UPDATE (E2PROM ERROR)
MAIN/UPDATE: 1.01/07615L
MAIN FW: 1.08/8223A
DSP1: 8051/08214A
DSP2: 8052/07518A
DSP3: 8053/07820B
VID: 3.55/07516A
HDMI: 1.02/08528A
805 AFTER 1.8 UPDATE & NEW DSP1 #11216A(*)
MAIN/UPDATE: 1.01/07615L
MAIN FW: 1.08/8223A
DSP1: 8051/11216A *
DSP2: 8052/07518A
DSP3: 8053/07820B
VID: 3.55/07516A
HDMI: 1.02/08528A
(*)875(*) 1.4 FIRMWARE UPDATE USING (NO E2PROM ERROR BUT ALSO NO VIDEO)

MAIN/UPDATE: 1.01/07615L
MAIN FW: 1.04
DSP1: 8051/08214A
DSP2: 8052/07518A
DSP3: 8053/07820B
VID: BLANK
HDMI: 1.02/08528A
*** BOTTOM LINE: I can be in a new FW or DSP within 15 mins (any config)...BUT I just don't have any more .MOT files to test with. I'd like to try 1.04 or 1.05 but they're all gone from the net and wasn't sure if you/anyone has these. Or know how to clear the E2PROM error for good on the 805 w/1.08 MainFW***
At this point I'm willing to try just about anything...any help is greatly appreciated. Pls PM me if you have copies of the MOT & ID (versions: 1.04, 1.03, 1.05, 1.07) files for my 805.
I'd hate to throw this unit out

Thanks all!!!