Sega Network Taisen Mahjong MJ 3 Firmware Update (GDX-0019)

EMU Infos

dumper	Jorge Valero, rtw
date	07/01/2024
emulator	MAME 0.262
dev	MetalliC

PCB Infos

name	mj3up on ProgettoEMMA mj3up on Arcade Database
description	Sega Network Taisen Mahjong MJ 3 Firmware Update (GDX-0019)
year	2005.09.05
manufacturer	Sega

Technical references

CPUs

QTY	Type	clock	position	function
1x	PIC16C622A		(317-0414-JPN)(253-5508-0318)(253-5508-0414J)	8bit CMOS Microcontroller (internal ROM extracted)

ROMs

QTY	Type	position	status

RAMs

QTY	Type	position

PLDs

QTY	Type	position	status

Notes

It's a Chihiro disk.
Disk type: CD
Disk N°: GDX-0019
Disk ID: BKK
Key: 23E69E258362C197

---

Listing of cdrom

CD-ROM	INFO
Title	BOX GDROM FIRM UPDATE MJ3
Media ID	204D
Media Config	GD-ROM1/1
Regions	J
Peripheral String	0000000
Product Number	GDX-0019
Version	V1.000
Release Date	20050905
Manufacturer ID	
TOC	DISC
Track	Start Sector	End Sector	Track Size
track01.bin	150	8630	19947312
track02.raw	8781	10132	3179904
track03.bin	45150	549299	1185760800
Misc	Info
dc_bios.bin	Dreamcast BIOS (0x00000000 - 0x001FFFFF)
dc_flash.bin	Dreamcast Flash (0x00200000 - 0x0021FFFF)
syscalls.bin	Dreamcast Syscalls (0x8C000000 - 0x8C007FFF)
disc.gdi	nullDC gdi file

Files

• 
  disk front 1
• 
  disk back 1
• 
  disk front 2
• 
  disk back 2
• 
  readme

1546