big F
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Posts posted by big F
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On 1/26/2022 at 4:09 PM, Craiguk said:
And my 1990's soldering iron is up to the job yeah, it has a fine tip.
Those Weller stations are great, they were and still are quite pricey.
Mine is one of the MOD ones that were made for the MOD and certain Defence contractors. It came with a ceramic PCB Yup your eye did not miss read that. Ceramic. Think baked thin pcb thick bone china with a coating and carbon pcb tracks and bonded on components. Great no RF signature and really efficient, until it dies.
I now only have one setting no matter where you put the dial, red glowing hot.
Weller dont make the boards anymore and several of the parts have no markings so I cant even replace the board with a cloned standard printed at PCBway etc. Shame as the PCB is not too hard to trace out.
Seen the replacement boards go on line for silly money, my whole rework station cost less. So sadly it just sits there until one day I find another or have time to try and reverse engineer it.
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Guessing recent news has changed this to a can do.
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1 hour ago, Donnie-Burger said:
OP said X3 worked. Waiting for Cerbios to drop 1.6x support.
Doh! Missed that
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2 hours ago, Donnie-Burger said:
Haven't found a 1.6 bios that supports 128mb yet. Gonna keep trying.
That might skupper things….
Never got into bios modding or building on the Xbox. On a PC it was often just a case of loading up a hex editor and changing text and values.
Just had a quick google on it and theres lots of pages telling you how to modify an X2 bios etc, butt thats just size and splash screen stuff.
I could only find stuff regarding Qemu and obscure mention to repositories on M$ sites probably long gone. Also most mentioned needing a full on Dev box. I only have a debug, so guessing that will not help.
Theres gotta be a member her who is better placed to answer etc.
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8 hours ago, Noshtalja said:
is this not the dash? K:1.00.5101.01 D:1.00.4920.01
That is the dash, the reason I asked is some years ago I had similar with one of mine, cant remember what bios it had at the time, but when you inserted a game that came packaged with a dash updater, it didnt run that, like it always does on a non modded box.
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2 hours ago, The InSoMnIc UK said:
Interesting how threads go I bought it on EBay back in Feb I was the only bidder it was listed as spares or repair as it was not fully booting i opens it after confirming the no boot in April partly removed the insulation tape photo graphed it and slipped a shrink rap sleeve on it and tried researching I also have a 1.6 with a DUO GS X2 AMD chip that boots from both the eject and power but that needs an upgrade to it’s not set up correctly. I think a previous owner tried to wipe it it tells me the batch process failed on the XBMc needs HeXEn but it seems plays original disks ok and after an hour both the cpu and M/B are stable at 47C. Back to the eprom what if I just disconnected power to it would the OG boot seems a shame to remove it if it’s part of history of modding
sorry for not replying earlier to all who have posted the system said I had reached my quota of posts for the day
Should be fine as long as all the coper coated wires are insulated its not going to do anything bad.
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11 minutes ago, Bowlsnapper said:
interesting... What is the purpose though? Youˋre saying that this holds a BIOS thatˋs normally loaded out of the TSOP or the LPC, and uses other methods to patch the boot rom than what we all use now? Was this just the first real way to do it?
Back in the early days IIRC TSOP was widely known about and anyway with boxes needing to be Live enabled TSOP was only for those who got banned from live. MS didn’t ban that much in the early days. Then started the mass ban days where whole continents got banned in one go. It’s after that that TSOP became a serious option. The as many will know M$ upped their game and started HD inspection on log in to live, banning your box just on spare space if it was more than would be on your average 8 or 10g drive.
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8 minutes ago, Mu. said:
It's a UV erasable rom chip (an EPROM) containing a custom bios. To call it an EEPROM would be wrong in both its function and its contents.
And it looks like that because those things came in large DIP packages just like the 8086 did.
Those erasable chips are old but installed in so many things. The bios image on it won’t last long with the Xbox lid off as UV erases them. It’s cap is off, to be fair we used to just stick a label on it with what was programmed on or a bit of black tape.
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Normally only one or two of my 20 or so OGs goes online, several have the ability but rarely need to even the Kai link enabled ones. There’s a few that don’t even have a network cable plugged in <Oh the horror>
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What dash number is this on ?
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Yes TSOP is super easy to do and does everything needed by most except for some more advanced stuff.
unless it’s a 1.6 then you have to mod chip
I make a point of TSOPing all mine even if they end up with a chip installed, just because the factory bios has no real use these days.
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Wow not seen it done like that since the early days, before modchips became commonplace.
There used to be a computer fair regularly near me and a guy would do this for you while you waited.
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Still didn’t say if a manual address works.
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Looks like this has been picked up by the Hackaday website. Should get some interest now and will push a rush for OGXbox on eBay.
https://hackaday.com/2022/06/06/original-xbox-v1-6-ram-upgrade-stacks-tqfp-chips/
link above if you fancy a read.
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2 minutes ago, nikeymikey said:
Its not me lol
If its not a member then we will never know what surprises were hidden inside it.
That will be a shame I think.
Maybe its the original owner, trying to get it back.
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13 minutes ago, nikeymikey said:
Looks like you got some competition out there, currently £21.04 with 13 mins to go
Ha !!! Made him pay £24 for it. Maybe he’s a member here
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There is the equivalent to that transistor in PC boards that along with a few of its friends is often the cause of the same issue in PCs.
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Yup that is essentially what I do. I have a reader that can also connect to all six pins of the chip if needed but mostly just do the 2 pin reads. Not done this in a decade or so now. Makes me want pull out the reader and do it
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You can go old school and grab an eprom reader pull the code from a known machine then drop the code on to the unknown one.
I used to do this all the time in the old days, it takes seconds.
Once you have access you can null the eprom and all aftermarket bios’s dont care about HD locks
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Interested to see how this pans out.
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1 hour ago, ChaoticAnarchyX said:
Does this opens up possibilities to do this on regular boards 1.0 - 1.5 as well??
As its custom silicon in there and not re packaged pc North and South bridge chips I doubt there are any paths for more than 128.
unless some one comes out with a dev box that says otherwise I doubt M$ would have bothered.. That said the properly proper prototypes may but we will never see those as they'll be locked up in what ever storage facility M$ have for all their skunkworks prototype stuff. -
Well this puts another project on my new work bench in my new workshop once my leg is outta its cast.
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Probably the same issue as with original post. My guess is the network control chip on the board. Not sure how you could test it but guessing a swap out would work. Never looked at this but hopefully its separate from the rest of the silicon chipset.
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@nikeymikey does setting a manual IP etc work for it ?
Board Life Status
Board startup date: April 23, 2017 12:45:48
1.6 retail conversion to debug kit help
in General Xbox Discussion
Posted
Considering its so easy. I am surprised nobody saw it when the chip companies were desperately trying to work out where the TSOP points were on the 1.6 when it came out.