if that is indeed true (50k having issues to detect hdd)
and he will have to do a low level format that takes 3 hours... which may not work...
damn, i would concideer to get a new ps2...
Actually, I should have better said that it looks like that *SOME* 50k has issues to detect the HDD - I read quite often people with such model has issues but I also know some other 50k owners that doesnt have... So it's not proven, just my personal experience.
Anyway, thanks for this info, i had created a thread asking for differences on different revisions. i will quote your post into my thread, and if you got more info about this matter, i would like to know, as i stated in my thread, there are plenty of ps2 revisions.. the ps1 got a wikipedia page with loads of info about the revisions (like laser issues)
https://gbatemp.net/threads/choosing-a-ps2-fat-revision-model.442288/
here if you wish to contribute with knowledge about ps2 revisions
I will give a look but TBH, Im not really versed into hardware, only know a few things. If you're really interested in such matters, you mignt want to look at PS2Ident tool made by SP193 : http://ichiba.geocities.jp/ysai187/PS2/PS2Ident.htm
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2. Is the NA + dev9 port whats connects the network adapter to the ps2?
NA = network adapter
dev9 port : yep, it's what you said
You should clean both.
3. The ULE7WIP.ELF from uLE (u Launch Elf) WIP 7.Zip correct?
Yes, that's this one.