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| alt.os.development | Operating system development chatter | 4,255 messages |
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| Message 4,119 of 4,255 |
| Paul Edwards to wolfgang kern |
| Re: Secrets on UEFI GPT |
| 13 Feb 24 13:57:44 |
From: mutazilah@gmail.com On 10/02/24 03:08, wolfgang kern wrote: > if you have access to any UEFI GPT machine can you please copy me a 512 > byte hexdump of LBA_1 ? I checked the replies but didn't see anyone post the requested hexdump. > this would answer all my open questions on GPT. Ok, I don't know anything about GPT, but what I do know is that my Chinese computer (with Zhaoxin processor) that has Kylin OS installed has UEFI enabled, and if I switch to legacy, it no longer boots. But legacy boots PDOS, including from USB stick. So after booting PDOS I have done an xychop from drv81: for 1024 bytes, and here it is: 000000 00000000 00000000 00000000 00000000 ................ 000010 00000000 00000000 00000000 00000000 ................ 000020 00000000 00000000 00000000 00000000 ................ 000030 00000000 00000000 00000000 00000000 ................ 000040 00000000 00000000 00000000 00000000 ................ 000050 00000000 00000000 00000000 00000000 ................ 000060 00000000 00000000 00000000 00000000 ................ 000070 00000000 00000000 00000000 00000000 ................ 000080 00000000 00000000 00000000 00000000 ................ 000090 00000000 00000000 00000000 00000000 ................ 0000A0 00000000 00000000 00000000 00000000 ................ 0000B0 00000000 00000000 00000000 00000000 ................ 0000C0 00000000 00000000 00000000 00000000 ................ 0000D0 00000000 00000000 00000000 00000000 ................ 0000E0 00000000 00000000 00000000 00000000 ................ 0000F0 00000000 00000000 00000000 00000000 ................ 000100 00000000 00000000 00000000 00000000 ................ 000110 00000000 00000000 00000000 00000000 ................ 000120 00000000 00000000 00000000 00000000 ................ 000130 00000000 00000000 00000000 00000000 ................ 000140 00000000 00000000 00000000 00000000 ................ 000150 00000000 00000000 00000000 00000000 ................ 000160 00000000 00000000 00000000 00000000 ................ 000170 00000000 00000000 00000000 00000000 ................ 000180 00000000 00000000 00000000 00000000 ................ 000190 00000000 00000000 00000000 00000000 ................ 0001A0 00000000 00000000 00000000 00000000 ................ 0001B0 00000000 00000000 1127210C 14D30000 .........'!..... 0001C0 0200EEFF FFFF0100 0000AF12 9E3B0000 .............;.. 0001D0 00000000 00000000 00000000 00000000 ................ 0001E0 00000000 00000000 00000000 00000000 ................ 0001F0 00000000 00000000 00000000 000055AA ..............U. 000200 45464920 50415254 00000100 5C000000 EFI PART....\... 000210 9D526FFC 00000000 01000000 00000000 .Ro............. 000220 AF129E3B 00000000 22000000 00000000 ...;...."....... 000230 8E129E3B 00000000 6F892CDF A452F145 ...;....o.,..R.E 000240 96E465FA F34F6C40 02000000 00000000 ..e..Ol@........ 000250 80000000 80000000 224BCEB6 00000000 ........"K...... 000260 00000000 00000000 00000000 00000000 ................ 000270 00000000 00000000 00000000 00000000 ................ 000280 00000000 00000000 00000000 00000000 ................ 000290 00000000 00000000 00000000 00000000 ................ 0002A0 00000000 00000000 00000000 00000000 ................ 0002B0 00000000 00000000 00000000 00000000 ................ 0002C0 00000000 00000000 00000000 00000000 ................ 0002D0 00000000 00000000 00000000 00000000 ................ 0002E0 00000000 00000000 00000000 00000000 ................ 0002F0 00000000 00000000 00000000 00000000 ................ 000300 00000000 00000000 00000000 00000000 ................ 000310 00000000 00000000 00000000 00000000 ................ 000320 00000000 00000000 00000000 00000000 ................ 000330 00000000 00000000 00000000 00000000 ................ 000340 00000000 00000000 00000000 00000000 ................ 000350 00000000 00000000 00000000 00000000 ................ 000360 00000000 00000000 00000000 00000000 ................ 000370 00000000 00000000 00000000 00000000 ................ 000380 00000000 00000000 00000000 00000000 ................ 000390 00000000 00000000 00000000 00000000 ................ 0003A0 00000000 00000000 00000000 00000000 ................ 0003B0 00000000 00000000 00000000 00000000 ................ 0003C0 00000000 00000000 00000000 00000000 ................ 0003D0 00000000 00000000 00000000 00000000 ................ 0003E0 00000000 00000000 00000000 00000000 ................ 0003F0 00000000 00000000 00000000 00000000 ................ I assume that is GPT, but since UEFI can boot from MBR (as I mentioned before), maybe it isn't. I haven't attempted to analyze it. BFN. Paul. --- SoupGate-Win32 v1.05 * Origin: you cannot sedate... all the things you hate (1:229/2) |
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