starting up

[blito]

Hello.
where could i find info on the machine status when
it's first time powered on.
i mean
the keyboard first status.
the dma
the pik
........
..
thank's

[J. Weeks]

>On 2002-04-03 13:41:41, blito wrote:
>Hello.
>where could i find info on the machine status when
>it's first time powered on.
>i mean
>the keyboard first status.
A20 disable,
numlock could be on or off depending on bios,
the other leds are typically off
irq 1
I forget which mode... but this isn't reliable anyway.

>the dma
Well... there aren't any dma transfers goin' on
I don't think there's anything else garaunteed, here.

>the pic
irq's 1+ map to int's 1+
nmi's enabled, sti

Hmm... well, I know this probably isn't the answer you
want to hear, but I would suggest that it's probably
better not to know... or rather, not to assume
that the devices will be in any state at bootup.

You're going to have to reprogram most of them
anyway, and there's inevitably some hardware that
wont startup in the state you want it to, so it'd
be best to assume nothing.

Jeff

[blito]

hello out there
i'm working on a boot sector that finds a
file in a diskette. The file sistem i'm using on is
Fat12 but i want to interpret also ex2f.
i already have the fat12 part coded but i don't
have more space in the boot sector.
could you help me!!!.
i'm looking for a packer or something like that.
Another problem is that the Fat12 final cluster mark
in my boot sector is 0xfff, not 0xff8 i have seen in all boot sector
examples. i couldn't get it works with 0xff8.
please help me!!!!!!.
sorry by the english but i don't know how to write
very well.
thank's all of you becuase of your help.