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samspin

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samspin last won the day on April 24 2020

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  1. For what it's worth, I have a Friendtech Bravo board that had the original Xbox CPU removed and replaced with a socket, which contains an Intel Pentium III SL4CG. The SL4CG has the full 256kb cache. It does appear to give a *slight* boost to framerate and load times. Because it is the original 733mhz clock, it retains full compatibility with all software (unlike 1ghz and 1.4ghz CPU mods as some games depend on the clock rate for timings). This makes sense as the original Alpha hardware used the SL4CG as well. I can only assume the cache was reduced by half to increase yields. I wouldn't be sur
  2. I have a feeling this worked for you because on retail boards, the X3 secret ROM fixes the address lines during the boot process when the D0 point is grounded, preventing you accessing the TSOP even if you unground it. However the X2 on debug, test, and Chihiro boards has no secret ROM so this shouldn't happen! In that case I may try this method with an Xecuter Lite 2.3B I've just bought, as it has 1MB which is plenty for the debug BIOS to fit (although I will have to hotswap it from a retail in order to flash the debug BIOS onto it in the first place of course, as the flash chip is non-remova
  3. This is precisely what I tried to do, but it still FRAGs once I move the Xenium chip to the X2 board. I truly believe this is due to the Xenium chip initializing itself and loading a common 2BL before passing onto where the remainder and kernel would be from the BIOS bank. Since the Xenium then won't work normally in either a retail or X2 board at that point I end up having to use emergency mode and flashing a new BIOS over the network. If anyone else manages to find a way to get around this please do tell.
  4. I thought I'd chime in here as I also have a couple of boards with MCPX X2 chips on them (in my case with the full 128MB RAM on them) originally used in Sega Chihiro consoles. From the get-go they FRAGd until I applied heat to reflow the GPU, and now they light up solid green but display nothing. From what I can see, all non-retail boards *always* have the TSOP write enable points bridged, and have the LPC port populated as that is where the mediaboard is normally plugged into. I therefore strongly believe that this was also the case for your test board: I do not think a previous owner tried t
  5. It can also work if someone flashed a 256KB BIOS image to a 1MB TSOP, without bothering to copy it four times to make a 1MB file first. This results in the TSOP having only 256KB at the bottom, and then the rest blank. The Xbox reads from the top of flash and if there is nothing there, will fail to boot. The 3 wire trick works by forcing the board to start from a different bank in the TSOP. I have done this myself when I accidently did this with Eurasia Flash Disc. It is worth noting that Evox checks and automatically copies a 256KB BIOS image four times if you attempt to flash to a 1MB chi
  6. Trying to boot 3 times then blinking error lights is a pretty standard outcome in this situation as the SMC will attempt to boot 3 times before giving up if it encounters an error. Such an error can be any number of things. Flashing Red And Green errors include: bad EEPROM configuration, bad BIOS, no BIOS (or cannot find one due to grounded D0 but no chip connected properly to the LPC!), GPU not connected properly, or CPU not connected properly. The last two are extremely unlikely in this situation and fixing those is something very few people can do. Meanwhile a 3 times boot attempt then FRAO
  7. As long as the disk is unlocked, you can use the latest beta of FatXplorer https://fatxplorer.eaton-works.com/3-0-beta/ As at this time, it currently only supports reading from OGXbox disks, not writing to them. But hopefully this is all you need anyway! DO NOT use Xplorer360 (not be confused with the similarly named FatXplorer) as it is not designed for OGXbox disks and in my experience it does corrupt them.
  8. What I would do in this case is have a second Xbox that IS modded side by side with your stricken one, with the lids off of both. Provide external power to the existing HDD but with the IDE cable plugged into the stricken board. Start it up allow it to turn on long enough to allow it to unlock the HDD, then unplug the IDE cable but leave the Molex power connector plugged in, so that the HDD remains unlocked so long as it has power to it. Start up the modded Xbox with HEXEN in the DVD drive, and go through the options for a "disk upgrade". Unplug it's own HDD and attach the IDE cable from t
  9. Sometimes I find that I have to format newly resized partitions twice to get them to show up and work properly. I set the partitions up with XBPartitioner but still find that the partitions are marked with zero size in UnleashX. Use UnleashX to format such partitions, and then go into XBPartitioner again. To get XBPartitioner to give the option to reformat partitions marked ERR press the white button on your controller until "format current partition" is displayed rather than "write partition table" and then press start. Then the partitions should work properly in all dashboards.
  10. I can testify that the tray above will mount in the Xbox HDD tray and the screwholes will align properly. WD Velociraptor Icepacks will also work just as well too, I was lucky getting a bunch in a joblot.
  11. When the temperatures start to get too high for my liking I tend to replace the heatsinks with VGA coolers. Having said, the last time I did this yesterday, I heated the original heatsinks too much in the process of unsetting the glue, teaches me to use a temperature controlled gun to gently heat rather than a hairdryer! Now the board FRAGs and is irrepairable. I'm really not proud of myself for this and don't know why I tried that on this occasion when I normally use a temperature controlled gun. I guess I was acting out of haste, but it's a vital lesson learned to be much more careful with t
  12. I've got a board with the same issue, fancy taking it off my hands? It already has the full 128MB on it but FRAGs due to BGA solder problems on either the CPU or GPU after getting the heatsinks too hot from a hairdryer while removing them (the stock thermal glue gum is a PITA to remove). So much for trying to replace the heatsinks and getting ahead of myself. It would be a shame for the RAM to go to waste but I don't have the skills neccessary to do this kind of soldering. For someone with the right skills and equipment I imagine it would be easy. Long answer is yes. However it is very
  13. I usually use the same StarTech one, I've found them to be the fastest- both in terms of startup time and stability during FTP transfers, and most reliable. Sadly though the price has gone up from £8 each to around double that since the COVID19 outbreak began. My last order for two of those at that price magically went missing in the post recently. I'm now back to trying my luck with cheaper ones. I'll post back in here with my results and a link to a listing if I have any luck with them once they arrive.
  14. Also depends on the IDE cable. Some cheap IDE to SATA adapters only work well with 80-wire IDE cables, as opposed to the standard 40-wire IDE cable the Xbox comes with. I've never had much luck obtaining straight flat 80-wire IDE cables with the correct length that bend properly, and they often liked to move themselves in the way of the rear screw during reassembly and get themselves broken with a screw right through the middle! I've had much better luck with round-ribbon 80-wire IDE cables as they are much more flexible to fit in the case. The problem is the short end is often wired inten

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Board startup date: April 23, 2017 12:45:48
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