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New Member

ATA BIT layout

I am trying to 'tweak some settings on a Cisco ATA188. I've found what needs to be changed, but I'm confused as to which bits to change. The fields have 8 characters in it, yet the docs says to change something like bit 0-7. Are each character 8 bits? If the field looks like this: 0x01418564..Would would I change to reflect this: Parameter: SigTimer

Bits: 26 - 27

Values: 0 = 60 ms 2 = 200 ms

1 = 100 ms 3 = 300 ms

Default: 0


Hall of Fame Super Red

Re: ATA BIT layout

Hi Tony,

Here is a link to a thread from last month where Mehmet and Jason are discussing this issue. Hopefully this will help you out.

If you follow the suggestion from Mehmet the Bits to change would be as follows:

xxxx XXxx xxxx xxxx xxxx xxxx xxxx xxxx

Bit 0 is far right and Bit 31 is far left (Sounds political!).

Hope this helps! (Crazy attempt at an example)^


Please remember to rate helpful posts....

New Member

Re: ATA BIT layout

That's great but I still don't see how changing a 4 bit field translates to a single digit in the string. i.e. if the field looks like this: 0x01418564, and I need to change bits 27-28 to a different single value, then I would change '1' to a '2' (In my example to set it to 200ms) ? Sorry I guess I'm not getting it. Thanks for the patience