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Ivan Timakov
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Re: Quiet version of the ipl-diskpc1
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Ivan Timakov
06/15/2013 5:01 PM
post102337
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Re: Quiet version of the ipl-diskpc1
Up. Same question.
Professors, help please.
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Alexandre REBEKO
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Re: Quiet version of the ipl-diskpc1
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Alexandre REBEKO
06/17/2013 1:18 PM
post102358
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Re: Quiet version of the ipl-diskpc1
Hi,
generaly speaking your next question will be about ipl-diskpc2 ...
because the only thing, that the ipl-diskpc1 asks is the partition
to boot from:
"Press F1-F4 to select drive or select partition"
At the offset 0x153 of the ipl-diskpc1 you would see the "0xCD 0x10"
- this is a BIOS call "Write Character in TTY Mode".
Just patch with NOP, NOP ( 0x90,0x90)
Or, you can just put a zero (0x00) at 0x166 in place of 0x50 ('P')
So, the text string "Press F1-F4 to select drive or select partition\0"
will be "\0ress F1-F4 to select drive or select partition\0".
No output. Mission complete.
The ipl-diskpc2 is a bit complicated. But also doable same way.
Regards,
-- Alexandre
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