rtl8139 on my i845GV MB still can't work. Who know the meaning of post code of linux? I saw linux last post code was 99, using vendor's bios linux last post code was 97. I want to know the difference. tks zhu
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* zhu shi song zhushisongzhu@yahoo.com [041117 10:36]:
rtl8139 on my i845GV MB still can't work. Who know the meaning of post code of linux? I saw linux last post code was 99, using vendor's bios linux last post code was 97. I want to know the difference.
forget post codes under linux. port 80 is used for io delays there. Looks like your interrupt mapping doesnt work?
Stefan
On Wed, 17 Nov 2004, Stefan Reinauer wrote:
forget post codes under linux. port 80 is used for io delays there.
they do have limited use. 98 is usually the idle loop.
Not sure what 99 and 97 are.
ron
On Wed, 17 Nov 2004, Stefan Reinauer wrote:
forget post codes under linux. port 80 is used for io delays there.
no kidding.
and I was looking for some ready-to-use delay loop to hold stuff after using port 80.
either way ended up using serial port
forget post codes under linux. port 80 is used for io delays there.
no kidding.
and I was looking for some ready-to-use delay loop to hold stuff after using port 80.
either way ended up using serial port
actually, is linux actually writing to those ports?
I have been here looking over an LK book and it mentions that the delay is being done by _reading_ only those ports, not writing.
It also mentions that jumps were used before. It would be worthwhile to re-examine the delays used in IDE driver in ADLO code. And change it to perhaps reading the port 0x80. It could potentially make it more reliable.
On Fri, 17 Dec 2004, Adam Sulmicki wrote:
actually, is linux actually writing to those ports?
yes it is.
Just watch a post card when linux is running.
ron
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Adam Sulmicki -
Ronald G. Minnich -
Stefan Reinauer -
zhu shi song