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Hi, I created a dual BIOS using "X2 BIOS Manager v2.3" for my Xecuter 2.3b lite modchip. Bank 1 is Cerbios using UDMA5 and Bank 2 is Cromwell to allow recovery if I flash a dodgy BIOS in the future. Both banks work fine, Cerbios boots normally also. I've tried various flash programs (Xblast OS, Gentoox) on my OG Xbox itself, and get the same issue, Cerbios won't start Safe Mode, which as far as I know should use UDMA2, but I don't know what else it requires. Cerbios.ini is on C:\ and looks fine, it is in use when booting Cerbios normally, the dash list is correct. I want to make sure Cerbios Safe Mode works for an extra backup facility, and ideally want a backup bios bank, for if I upload a bios that the Xbox doesn't like in the future. Maybe a bit overly cautious I feel I'm 95% there, just don't know how Safe Mode works, and what it checks for. Thanks

So separate to my Softmod in another thread, I also have an old Xecuter 2.3b lite which has sat in my toolbox for about 15 years or so. Physically it's in pristine condition. I have no idea what bios it should/might have on it, as it was removed from my old Xbox way back when after I got another (original Xenium) chip. I have the ground/D0 cable and a switch module. I'm not the worlds best solderer but I managed to use braid etc to remove the solder from the LPC holes on my v1.0 board, and solder in a 12 pin header. I don't have the cable for the switch module for this chip, so have tried using spare wire to set the switches so the chip would be enabled. The LED's on the chip light up when powered on, regardless of the state of ground/D0. However, if I jumper the pins to enable the chip, or ground D0, my console frags (eg on/off three times, ending with flashing green/red light). I have triple checked my soldering. I used a multimeter to test all the pins on the LPC following a guide in another thread and voltages etc appear correct when the console is powered on. D0 is definitely correct as there is continuity if I bridge the top D0 point with the wire (which is soldered to the bottom D0 point). My question is, if the Modchip bios isn't correctly flashed/loaded, would that cause a Frag? I'm worried my soldering isn't good enough but all the multimeter tests seem to indicate everything is working as it should be, leading me to think the chip is faulty/dead (even though the LED's light). I'm close to ordering an OpenXenium if I can find one somewhere, as that will negate my TSOP/HDD issues, but just worried there might be something i'm missing with my soldering etc. Thanks for any advice

I've purchased a box with the executor 2.3B chip as far as I can tell. Please forgive my noobishness, it's been years since I've played with this stuff. I managed to find an install guide for this chip but nothing that really tells me how to use it. The three switches on the front for starters. From what I can gather, Switch one appears to be enable/disable the chip. Switch 2 is to protect/unprotect the bios from flashing? and switch 3 is for Bank 1 and Bank 2? Can anybody verify and explain purpose of the third one? Next question, the hdd is set up in ways I don't understand. I'm showing like 4 different drive paths/partitions. C, E, F, G I think and they are full of junk I don't know what I can safely delete (and how)? The C is where my emulators and roms are stored and it is partitioned for like 100mb and full, whereas there is 4 or 5 gigs of stuff in the other partitions. Can I just take out this hdd (so I don't mess with a working machine), put in a different one and install an OS on it? I want to start fresh with a clean OS (I have the newest hexen image burned already), I want only one partition, a different dashboard perhaps (I don't particularly like the XBMC on there) Next question is how do I find out which bios is installed? Should I install a new one or just leave it?

Picked up another xbox that was sold for parts and untested. Noticed a switch hanging out of the bottom so took a chance. Xbox started up fine and booted up custom bios. Had to remove the motherboard to remove clock capacitor that has visibly failed. Does not appear to be any damage to the traces (version 1.4 or 1.5). Will reinstall the chip after cleaning up the xbox to see what I have. Already downloaded the install instruction that were on another thread.

Team Xecuter _ Xecuter 2.3B Lite Plus Install.pdf