Why Can't Download You need to pay for the premium membership subscription of FindBios. Also tried different sources in case of faulty bios file.dr-bios.comsonyplaystationscph-7502512scph-7502.bin: 512.0 KB Download. Tried putting it in roms folder, and main bios folder which is where the config points to. I have tried using scph1001.bin, didn't work tried renaming it to scph5501.bin didn't work. I have PSX working on my retropie but every game says no bios found. Please help I've searched everywhere.
![]() Scph 7502 Bios Code Execution PassedIt is unclear whether any development kits made use of the PIO Loader or whether this was an early development leftover.Licensed by Sony Computer Entertainment Inc.At offset 0x16D34 appears to be debug output for the control pad driver. Following that appears to be a primitive shell of some sort. At offset 0xE288 is a string which all PIO equipment must return to the console in order to have code execution passed to the device. It contains information related to the PlayStation kernel and boot process as the console loads.Copyright 1993,1994 (C) Sony Computer Entertainment Inc.The PIO (Parallel Input/Output) feature was intended to be used for debugging, but was exploited to boot unsigned code on such devices such as the Action Replay.On BIOS versions 4.1A and later, the words fade in as soon as the logo is formed. In BIOS versions 3.0A and earlier, the words pop into view as soon as the logo is formed (except on the SCPH-1000 and -3000 models). This Wikipedia article has some info about different BIOS versionsLogo Screen Differences SCPH-550x (3.0A) and earlierThere are noticeable differences in the Sony Computer Entertainment logo screen between BIOS versions 3.0A (and earlier), 4.1A and 4.5A.Scph 7502 Bios Series Uses SimpleOtherwise, there are no obvious differences regarding how the PlayStation logo itself is drawn between all PlayStation consoles worldwide.System Menu Differences and Similarities SCPH-1002, DTL-H3002 and SCPH-5502The menu on the SCPH-10x model series uses simple icons with text above them. As previously mentioned as well, after the model SCPH-9001, the TM symbol was replaced by a ® symbol (except in Japan where it was always there from the start). On BIOS versions 4.1A and later, this issue is corrected. In BIOS versions 3.0A and earlier, the textures containing words are unevenly scaled as previously mentioned. Differences also exist in the PlayStation logo screen between the aforementioned BIOS versions. Lastly, after the model SCPH-9001, the TM symbol was replaced by a ® symbol. The amazing spider man 2 apk freeOn the blue menus, the "Exit" text fades to black when either of the four face buttons is pressed with it highlighted, while the tiled menus do something more interesting the blue tile behind the "Exit" text acts like it is a door opening to the root menu. The "Memory Card" header also appears to have been removed on the tiled menu.Another detail that may have been left out is the animation of exiting the CD Player or Memory Card menu. On the blue menu, the title above each memory card is generically labelled "Card", while the tiled menu tends to be more specific by labelling each title, "Memory Card Slot". Seeing as no other CD player at the time had a reverberation processor, this addition was considered to be mind-blowing.The Memory Card menu also brings interesting changes between the different styles of the system menu. The screen was scaled vertically in the SCPH-7502 firmware to take advantage of the higher resolution.CD Player and Memory Card Screens SCPH-9001 (4.1A) and earlierThe CD Player on the PS one model has a new addition where the player can select from a list of presets that change the way the music sounds so as to emulate the specified environment with the PlayStation's built-in reverberation processor. Some of the cursors have changed their colors as well.Ditto.
0 Comments
Leave a Reply. |
AuthorTeresa ArchivesCategories |