If you want, I can:
SCPH-90001 is the final "Slim" model of the PlayStation 2. Identifying the correct BIOS version is critical for homebrew compatibility, as units with BIOS v2.30
(often referred to as having a "v18" chassis) have a patched boot ROM that blocks the traditional Free McBoot (FMCB) memory card exploit. www.ebooks2go.com Compatibility Check To determine if your SCPH-90001 can run standard softmods, check the on the bottom of the console: 7C, 7D, 8A, 8B: Generally compatible with Free McBoot.
The "transition" period. Some work, others have the v2.30 BIOS and will not. 8D and later: Likely contain BIOS v2.30 and are incompatible with standard FMCB. www.ebooks2go.com Homebrew Guide for BIOS v2.30 (v18)
If your console has BIOS v2.30, you must use alternative methods since standard memory card booting is disabled: FreeDVDBoot
: This is the "solid guide" for unmodded Slims. It exploits the DVD player to launch homebrew. Burn a specially crafted ISO (like the FreeDVDBoot project ) to a DVD-R. Insert the disc into your PS2 to boot directly into uLaunchELF Open PS2 Loader (OPL)
: Once you have launched uLaunchELF via DVD, you can run OPL from a USB drive or SMB share to play games. FunTuna / OpenFortuna
: These are modified versions of FMCB designed specifically for these "unhackable" consoles. They require you to enter the "Browser" and click on the memory card twice to trigger the exploit manually each time you boot. Hardware Modchip
: A physical modchip (like Mars Pro or Modbo) remains the only way to get a "direct boot" experience on a v2.30 BIOS without using the manual Fortuna exploit or a DVD. www.ebooks2go.com Emulator Setup (PCSX2/AetherSX2) If you are using this BIOS for emulation (like USA v02.30 (20/02/2008) scph-90001 bios v18 usa 230
: This is considered one of the most "mature" BIOS files. It is highly compatible with modern emulators and is often preferred for its stability. : Place the BIOS file in the
folder of your emulator directory and select it in the system settings. FantasyAnime or instructions on burning a FreeDVDBoot AI responses may include mistakes. Learn more
The SCPH-90001 Go to product viewer dialog for this item. with BIOS v2.30
is the final North American revision of the PlayStation 2 Slim. A standout feature of this specific model and BIOS version is its integrated power supply, which eliminates the bulky external power brick found in all previous Slim models. Key Features of BIOS v2.30 / SCPH-90001 Go to product viewer dialog for this item.
Built-in Power Supply: The 90001 series internalizes the AC adapter, making it the most compact and "cable-clean" version of the PS2.
Faster Loading (PS1): Users report noticeably faster loading times for original PlayStation (PSX) titles when "Fast Disc Speed" is enabled in the system menu compared to earlier revisions.
Most Reliable Laser: As the last production model, it typically includes the most refined and reliable laser assembly (KHM-430 series), which is less prone to burnout than earlier 7000x models.
Modern Aesthetics: Features a redesigned exterior with a half-glossy, half-matte finish and flush power/eject buttons. If you want, I can:
Security Revision: This BIOS (v2.30) famously patches the memory card update exploit, meaning it is generally incompatible with standard FreeMcBoot (FMCB). However, you can still use alternatives like Funtuna or Fortuna for softmodding.
Are you looking to use this BIOS for emulation on PCSX2 or for a physical console setup? Which PS2 slim should I keep? The SCPH-77001 or SCPH-90001?
Here is content regarding the SCPH-90001 BIOS v18 USA (version 2.30), structured for technical clarity and preservation purposes.
Buy it if:
Avoid it if:
Unlike earlier BIOS revisions (such as v1.60 or v1.90), the v2.30 BIOS includes specific updates tailored to the hardware changes of the 90001 chassis:
When dumping or emulating this BIOS:
| Specification | Detail |
|---------------|--------|
| Console Model | SCPH-90001 |
| Region | USA (NTSC-U / North America) |
| BIOS Version | v1.8 (also denoted as 1.8 or 018) |
| BIOS ROM Size | 512 KB (4 Mbit) |
| Hash (MD5) | d1b5b3d6e9f5c7a1e2b8f0c3a4d6e7f9 * |
| Hash (SHA-1) | 23b1a5c8e9f7d4b2c6a0e3f8d1b5c7a9e2f4d6b8 * |
| Common Usage | Late slim PS2 (final major hardware revision) | SCPH-90001 is the final "Slim" model of the PlayStation 2
* Actual hash values vary by dump; these are representative placeholders. Always verify dumps against known Redump or No-Intro DAT files.
This is a loaded question. For a pure, out-of-the-box gamer in 2000 who only played legit, pressed black-bottom discs, the SCPH-90001 is arguably the best:
However, for a retro enthusiast in 2026, the 90001 is the worst model.
Console Model: SCPH-90001 Region: NTSC-U/C (North America) BIOS Version: 2.30 Date: Typically dated 02/20/2008 or similar late-revision timestamps.
To understand the SCPH-90001, you must understand Sony’s war against piracy. By 1999, the PlayStation was a juggernaut, but bootleg games were rampant. Early models (1001, 5501) were easily defeated by a "modchip" that tricked the BIOS into accepting copied discs.
Simultaneously, Sony was bleeding money on manufacturing. The original PU-8, PU-18, and PU-20 motherboards were robust but expensive.
Enter the SCPH-90001. Released quietly in late 1999/early 2000, it served two purposes: