JRA PAT for Dreamcast V40L12 [T-42501M]

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Maddog
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JRA PAT for Dreamcast V40L12 [T-42501M]

Post by Maddog » Fri Jul 05, 2019 3:36 am

Dump submitted by Getta Robo, confirming my personal dump. Thanks buddy, this was a nice rarity! :D
His was disc-only (same ringcode with mine), so rest of the info comes from my copy.

Boxcode: T-42501M
Ringcode: T-42501M-0351B 20MM1
Barcode: a23004169a
Note: the barcode displayed is abnormal and does not follow the regular 13 digit barcode rules. Refer to pictures online for other versions, they have similarly styled barcodes to this one.

disc.gdi

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3
1 0 4 2352 track01.bin 0
2 999 0 2352 track02.raw 0
3 45000 4 2352 track03.bin 0
info.txt

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SEGA SEGAKATANA 
SEGA ENTERPRISES
91BD GD-ROM1/1  
J       0799810 
T42501M   V3.000
20010129        
1ST_READ.BIN    
SEGA LC-T-425   
JRA PAT FOR DREAMCAST
track.txt

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[JRA PAT FOR DREAMCAST]
no type   start(physical)  size    MB
session 1:
 1 RDATA      0 (   150)    849    1M
 2 AUDIO    999 (  1149)    738    1M
session 2:
 3 RDATA  45000 ( 45150) 504150 1185M
-------------------------------------
Checksums

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	rom ( name disc.gdi size 87 crc 1f2838df md5 fd4d9a5d43a530d229ee0076d32506fb sha1 eecb4856b5bc0c31573ce72b705cf0519e90c7f6 )
	rom ( name track01.bin size 1996848 crc bbd45245 md5 49da39d5a2e0b3379dc9e3ae48e75a14 sha1 7b7683482ed6bc008237953ae41e4ba5663fb2d6 )
	rom ( name track02.raw size 1735776 crc 860b0460 md5 0bf100ce8aecf4fb1246b1e066d21b45 sha1 5b2578ce7075bbab7858568491cccb9a64b483b3 )
	rom ( name track03.bin size 1185760800 crc bf70d3b1 md5 773367effdbfd6341ce6258f57e42d25 sha1 dc5d3207e40ac22a79a202c4960b234bc691c949 )
V40L12 is v3.000, being the 2nd (and as far as we know final) revision of this disc.
V40L11 is v2.000 and V40L10 is v1.002.
There's also a later V50 disc, but this is using different boxcode.
There's no way to tell them apart by looking at the front cover or disc only, but it is marked on the back cover and the title screen.
If you hit a disc-only version, you can only tell what it is by the ringcode.

Another sort of mystery is the publisher of the disc and information found online doesn't seem to be particularly helpful.
Sega logo is displayed on the box, however the back has some address in Japanese, naming a company called Keiba (=Horse Racing) Security Services Co. Ltd. I decided to use both in the filename, as the boxcode is not a Sega code. Most likely this thing was programmed by Sega but published on behalf of this obscure company. The later V50 switched to a Sega boxcode.

Finally in terms of functionality, the main functionality of being able to bet on JRA horse races from your Dreamcast is long gone, but the disc is not a total coaster. It contains a section with many "How to use" videos and it also has a section listing several different horses (likely older famous horses?). For some of those, there are even videos showing them in action, complete with a funky Japanese commentary, so you may be able to waste a few minutes toying around with the contents.
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