Re: RAM upgrade abandoned
"Bruno Lopes F. Cabral" <[email protected]> Fri, 30 Jan 2004 22:08:02 -0200
| Newsgroups | gmane.linux.drivers.wireless.access-point |
|---|---|
| Message-ID | <[email protected]> |
Hi Roy wrote: >>you problably missed but there is a hack to add more flash, >>and from what Keith said, perhaps adding 4MB flash would >>let us use an uncompressed filesystem and get a few more >>CPU cycles from the units > > If you are talkink about the same page > http://www.wiresncode.com/projects/wireless/openap/ > then you are wrong > this project REPLACES flash it does not add anything yes, but the basis to add more is there :-) > this ap have 1mb as before. > This project had good idea how to avoid using sram but nothing else > and I still dont understand authors motivation to replace exsisting > flash chip with aditional board forever. the original SRAM card was pricey, US$200 or so, and besides pretec US$65 one he made a cheaper alternative with spare parts he have. a good work!! > and about CPU cycles you still miss the point: > yes, maibe you will increase userspace response > but who cares about it? the unit is now only capable of about 350-450KB/s, but with original firmware it does more. so if unix turn the unit SLOWER, we must know the reason, don't we? > it is not so slow anyway. it wont increase througput at all. well, I have 486 notebooks with similar hardware running much better than eumitcomm board... > and if you are still going to upgrade memory you should > be ready to solder the same type chip on top of old flash > there wont be any upgrade cards [...] solder a header is OK, but do that on pins is a work I'd avoid, if I can, sorry > if you need so high computing power then use normal computer > you probably can find some 100mhz pentium for free or very cheap the problem is the power source (AT/ATX). big, heavy, you have to take a long power cable to the unit PoE is handy and that's one of the reasons one would use an AP instead of a computer > so the best would be to design some isa flash card to aviod > using hdd (or use ide flashdisk) I already do that on some computers ;-) > I think it is much better than working on obsolette platform > which is not possible to buy anywhere they appear from time to time... last time I saw they were bellow US$50, new, on U.S. shop (not in ebay) > also this way probably wont become obsolette because uses pc platform. :-) Cheers !3runo