Re: 3C509: Problems using more then 16KB of the boot rom

[Ken Yap <ken@nlc.net.au>]

>I have problems to use more then 16KB of the boot rom. The 3COM Chip
>cannot address it, although I setup 32K in the 3c5x9cfg.exe. Also
>the 3c5x9cfg tool has a problem. On the one hand it displays a boot rom
>size of 32K on the info page, on the otherhand it displays a memory
>range of C8000-CBFFF instead of CFFFF, which indicates a 16KB memory
>window. I also tested with a logic pen, that the chip select line of 
>the boot rom does not assert, if the address is over the 16KB window.
>
>Can anybody help me, how to use the full 32KB on a 3COM 3C509B ISA/PnP.

I have heard of this problem on some 3c509 cards but never seen this
myself. I'm using 27C256 PROMs fine.
===========================================================================
This Mail was sent to netboot mailing list by:
Ken Yap <ken@nlc.net.au>
To get help about this list, send a mail with 'help' as the only string in
it's body to majordomo@baghira.han.de. If you have problems with this list,
send a mail to netboot-owner@baghira.han.de.