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Discussion Starter #1
I found in internet this files:
SCPH1001.BIN crc32=37157331 (A) Ver 2.2
SCPH5000.BIN crc32=24FC7E17 (J)v2.2
scph5500.bin crc32=FF3EEB8C (J)v3.0
SCPH7001.BIN crc32=502224B6 (U)v4.1
scph7502.bin crc32=318178BF (E)v4.1

I am intersting:
1. Are this files "correct"?
(All use this files?)
2.Do you now latest(greater) bios version
(and filename) or 4.1 is last?
 

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I think the latest psx bios file is something like 9002 and is the bios that comes on a PSone. The bios files that work best with emulators are scph1001, scph7502, and maybe a few others such as dtlh3002, but those are the main ones that work.
 

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hi!

the SCPH-9xxx are not the PSOne, they are the latest PSX without the parallelport. And that's the reason why there aren't any dump's ... because nobody* can dump the bios without this port :p

*Nobody who want to share them with us :p ... i am sure there are dump's currently

The PSone bios is called SCPH-1xx (100,102...) as far as i know, and it doesn't work with PSX emu's (Crash on the start).

Cu, JNS
 

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Discussion Starter #4
Thanks, but how about 1 question?

Thanks, but how about 1 question?
(same files are you using? check crc)
 

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I thought your 1 question was asking about which files we use. Well I use dtlh3002.bin and it works great. The other files that have been tested are scph1001.bin and scph7502.bin. If this doesn't answer your question then try asking it in another way.
 

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He's asking for a CRC check to determine if what he's downloaded is usable. Well, the simple solution to this, rather than asking people to dig up how to build a checksum, is to simply try the BIOS. You can't hurt anything, if it works at all, it's good. If it doesn't work, then you've got a bad dump.
 

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hi!

I think the best way to find out whether they work or not, is to load them in a emu and try them out :p

Also you could try to load the files in the attached program ... if it detect the files correctly, they are correct.

Cu, JNS
 
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