Tutorial • PlayStation PS1 FAT • ODE friendly • Delta In-Game Reset (IGR)

Delta In-Game Reset (IGR) – Installation Guide

This guide walks you step-by-step through installing Delta In-Game Reset (IGR) on your Sony PlayStation PS1. “IGR” stands for In-Game Reset and lets you reboot the console from the controller (no need to press the Reset button). It’s especially useful with ODEs like XStation or PSIO, as it allows you to return quickly to the game selection menu.

🧩 QSB (no wiring) 🎮 Reset from controller ⚡ ODE friendly (XStation / PSIO) 🧠 Latest-gen MCU
🛒 Available on the Delta Store: PS1 Delta In-Game Reset (IGR) QSB
Choose the QSB version that matches your motherboard revision. Perfect for a clean, fast, and reliable install—no complex wiring diagrams required.
Tip: identify your motherboard (PU) first, then select the matching IGR QSB for a perfect fit.
Key points
✅
Install
QSB install: fast and clean, requires good soldering.
🎯
Purpose
Reset from the controller to quickly return to ODE menus (XStation / PSIO).
🧬
Critical step
Identify your motherboard (PU-XX ) before installation.
Helpful links
• Delta Store
Delta IGR – PS1
 
🔒 Important safety instructions
⚠️ Work only while unplugged
• Unplug everything (power + AV cables).
• Press Power (while unplugged) to help drain residual charge.
• Wait ~2 hours (minimum) for capacitors to discharge fully.
• Never work on a powered console.
• Do not remove / handle the internal PSU.
 

✨ Features – Why Delta PS1 IGR?

Fast, clean installation
  • No-wire QSB installation
  • Reduces solder point mistakes
  • No complex wiring diagram needed (installation card provided)
Controller reset
  • Reset the console via a button combo
  • Ideal for XStation / PSIO
  • Hold combo for 2 seconds to trigger
Modern hardware
  • Latest-generation microcontroller
  • 4 QSB versions for supported boards
  • Reliable behavior and consistent triggering
 

🧰 Required tools

  • PS1 Delta In-Game Reset (IGR) QSB (choose your version)
  • Phillips screwdriver
  • Soldering iron + solder
  • (Recommended) Flux + magnifier / microscope

🧩 PlayStation Compatibility

Supported PS1 models / motherboards Delta In-Game Reset:
PAL NTSC U/C NTSC J NTSC J (ASIA)
Models
SCPH-1002
SCPH-5502
SCPH-5552
SCPH-7002
SCPH-7502
Models
SCPH-1001
SCPH-5001
SCPH-5501
SCPH-7001
SCPH-7501
Models
SCPH-1000
SCPH-3000
SCPH-3500
SCPH-5000
SCPH-5500
SCPH-7000
SCPH-7000W
SCPH-7500
Models
SCPH-5503
SCPH-7003
SCPH-7503
 

✅ 1 - Identify your PlayStation console

Locate the label under your console and write down the model (e.g., SCPH-7502). This is useful, but to choose the correct QSB, you must confirm the motherboard revision (PU-XX).

Tip: note the model, then go to step 3 to precisely identify your motherboard.
Identify PlayStation model (label)
Label located under the console (example).
 

🔧 2 - Disassemble the PlayStation console

⚠️ WARNING – Electrical safety
Unplug everything, press Power, then let the console rest for ~2 hours to allow full capacitor discharge. Do not touch the internal power supply.
🎥 Disassembly videos (by model)
• SCPH-100X / 3X00 / 5000: https://www.youtube.com/watch?v=2r-CYOSpK60
Goal: access the motherboard. You do not need to disassemble the power supply—please do not touch it.
 

🧭 3 - Identify your motherboard (PU-XX)

Once the console is open, identify the motherboard using the photos below. This step is essential to select a compatible Delta PSNee QSB.

PU-7
PU-7 motherboard
References:
PU-7 // 1-655-322-11
PU-7 // 1-655-322-13 / 13A
PU-7 // 1-655-322-14 / 14A
PU-7 // 1-655-322-15
PU-7 // 1-655-322-16
PU-8 EARLY
PU-8 EARLY motherboard
References:
PU-8 // 1-658-467-11
PU-8 // 1-658-467-12
PU-8 // 1-658-467-13
PU-8 LATE
PU-8 LATE motherboard
References:
PU-8 // 1-658-467-21
PU-8 // 1-658-467-22
PU-8 // 1-658-467-23
PU-8 // 1-658-467-41
PU-8 // 1-658-467-42
PU-18
PU-18 motherboard
References:
PU-18 // 1-664-537-11
PU-18 // 1-664-537-21
PU-18 // 1-664-537-31
PU-18 // 1-664-537-41
PU-18 // 1-664-537-52
PU-18 // 1-664-537-62
PU-18 // 1-664-537-72
PU-18 // 1-664-537-82
PU-20
PU-20 motherboard
References:
PU-20 // 1-668-413-12
PU-20 // 1-668-413-22
PU-20 // 1-668-413-32
PU-20 // 1-668-413-42
PU-22
PU-22 motherboard
References:
PU-22 // 1-671-858-11
PU-22 // 1-671-858-12
PU-22 // 1-671-858-21
PU-22 // 1-671-858-22
PU-22 // 1-671-858-32
 

🧩 4 – Installing the Delta PS1 IGR (by motherboard)

Important: Delta PS1 IGR uses a QSB quick-solder board for a clean install. Select the correct QSB for your motherboard revision, then follow the install card.
PU-7 & PU-8 (EARLY / LATE)
Install card (QSB)
PU-7 / PU-8
IGR install PU-7 / PU-8
Tip: double-check board orientation before soldering.
PU-18 (SCPH-55XX)
Install card (QSB)
PU-18
IGR install PU-18
Use flux + fine tip for clean pads.
PU-20 (SCPH-700X)
Install card (QSB)
PU-20
IGR install PU-20
Make sure the QSB sits perfectly flat.
PU-22 (SCPH-750X)
Install card (QSB)
PU-22
IGR install PU-22
Inspect for bridges (magnifier recommended).
Finish: reassemble the console and verify there are no shorts. A clean solder job is key for reliable IGR triggering.

🎮 5 – Using Delta PS1 IGR

How to trigger: hold the button combination for 2 seconds. If you release earlier, the reset will not activate.
PS1 Classic controller
Combo: L2 + R2 + START + SELECT
PS1 Classic controller
PS1 DualShock (red LED)
Combo: L2 + R2 + START + SELECT
PS1 DualShock controller
PS1 Analog (green LED)
Combo: L2 + R2 + START + SELECT
PS1 Analog controller
PS2 Classic controller
Combo: L2 + R2 + START + SELECT
PS2 Classic controller
PS2 DualShock (red LED)
Combo: L2 + R2 + START + SELECT
PS2 DualShock controller
GunCon
Combo: Trigger + A + B
GunCon controller
🚀 Ready to upgrade your PS1 workflow?
Delta PS1 IGR is the premium solution to reset from the controller—perfect for XStation / PSIO setups. Pick the correct QSB for your motherboard and enjoy quick returns to your game menu.
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