This page provides some basic info about Japanese SMS cartridge's hardware and contains schematics of selected circuit boards. List of games using these boards is not final.

171-5589D

Games:After Burner (アフターバーナー)
Game size:4Mbit (512KByte)
 
Board version:I.
Board number:171-5589D
ROM numbers:MPR-11272
MPR-11273
Mapper used:315-5235

This Japanese SMS/Sega Mark III game cartridge board contains 315-5235 mapper chip and two custom 40-pin 16-bit ROM chips (128Kx16) in "byte mode" to make them 512KB in total, unlike it's US and European counterpart which contains only one 8-bit ROM chip (512Kx8). The ROMs have the first and second halves of the data respectively. Their CE pins are connected to CE1 and CE2 on the 315-5235 to enable them, rather than CE0.

PCB photographs by Protoman:

PCB photographs by jpx072:

Front side of the PCBDesoldered ROM chipsBottom side of the PCB
(ROMs desoldered)(MPR-11273 & MPR-11272)(ROMs desoldered)

Here is a complete board's schematic drawn by Enri (keep in mind that the SMS cartridge connector description is different than the one here so refer to author's original description ):

References

Forum topic - After Burner (JP) with split ROM

171-5583

Games:Phantasy Star (ファンタシースター, 환타지스타)
Game size:4Mbit (512KByte)
 
Board version:I.
Board number:171-5583
ROM numbers:MPR-11198
SRAM numbers:D4364CX-12LL (or) AKM6264ALSP-12
Mapper used:315-5235

This Japanese SMS/Sega Mark III game cartridge board is used exclusively for Phantasy Star and contains 315-5235 mapper chip, one 32-pin 8-bit ROM chip (512Kx8), one 28-pin 64Kbit S-RAM chip with 3 volt CR2032 lithium backup battery and a 3-pin TO-92 package monolithic IC PST529 as control circuit for the battery-backed up memory.

PCB photographs by Protoman:

Complete board's schematic drawn by Enri:

171-5564

Games:Super Racing (スーパーレーシング)
and many more...
Game size:2Mbit (256KByte)
 
Board version:I.
Board number:171-5564
ROM numbers:MPR-11638
Mapper used:INTEGRATED MAPPER

This Japanese SMS/Sega Mark III game cartridge board contains a single custom 32-pin 8-bit ROM chip (256Kx8) with integrated mapper logic.

PCB photographs by Protoman:

Complete board's schematic drawn by Protoman:

171-5518

Games:Masters Golf
and more...?
Game size:1Mbit (128KByte)
 
Board version:I.
Board number:171-5518
ROM numbers:MPR-11192
Mapper used:INTEGRATED

This Japanese SMS/Sega Mark III game cartridge board contains a single custom 28-pin 8-bit ROM chip (128Kx8) with integrated mapper logic.

PCB photographs by Protoman:

Complete board's schematic drawn by Protoman:

Attach:SEGA Schematic_thumb.png

171-5500

Games:Penguin Land / Doki Doki Penguin Land - Uchuu Daibouken (どきどき ペンギンランド 宇宙大冒険) / Uju Daemoheom (우주 대모험)
Game size:1Mbit (128KByte)
 
Board version:I.
Board number:171-5500
ROM numbers:MPR-11077
SRAM numbers:D4364CX-12LL
Mapper used:315-5235

This Japanese SMS/Sega Mark III game cartridge board is used exclusively for Doki Doki Penguin Land - Uchuu Daiboken and contains 315-5235 mapper chip, one custom 28-pin 8-bit ROM chip (128Kx8), one 28-pin 64Kbit S-RAM chip with 3 volt CR2032 lithium backup battery and an 8-pin Fujitsu MB3771 power supply monitor IC for the battery-backed up memory.

PCB photographs by Protoman:

Attach:171-5500_schematics_thumb.png

171-5441

Games:Nekkyuu Koushien (熱球甲子園)
Game size:2Mbit (256KByte)
 
Board version:I.
Board number:171-5441
ROM numbers:MPR-11886
Mapper used:315-5235

This Japanese SMS/Sega Mark III game cartridge board is used exclusively for Nekkyuu Koshien and contains 315-5235 mapper chip and one 32-pin 8-bit ROM chip (256Kx8).

PCB photographs by Protoman:

Complete board's schematic drawn by Enri:

171-5440

Games:Rocky (ロッキー)Space Harrier (スペースハリアー)Out Run (アウトラン)
Game size:2Mbit (256KByte)
 
Board version:I.
Board number:171-5440
ROM numbers:MPR-10575MPR-10411
Mapper used:315-5208

This Japanese SMS/Sega Mark III game cartridge board is confirmed to be used only for Rocky and some versions of SpaceHarrier and OutRun and contains 315-5208 mapper chip and one custom 40-pin 16-bit ROM chip (128Kx16).

PCB photographs by Protoman:

Complete board's schematic drawn by Enri:

171-5439

Games:Space Harrier (スペースハリアー)Out Run (アウトラン)
Game size:2Mbit (256KByte)
 
Board version:I.
Board number:171-5439
ROM numbers:MPR-10410
MPR-10411
Mapper used:315-5235

This Japanese SMS/Sega Mark III game cartridge board has two known board versions.

The first one contains 315-5235 mapper chip and two custom 28-pin 8-bit ROM chips (128Kx8). The ROMs have the first and second halves of the data respectively. Their CE pins are connected to CE1 and CE2 on the 315-5235 to enable them, rather than CE0.

PCB photographs by Protoman:

Complete board's schematic drawn by Enri:

171-5439

The second version contains board number 171-5440 with 315-5235 mapper chip and one custom 40-pin 16-bit ROM chip (128Kx16).

171-5363

Games:Fantasy Zone (ファンタジーゾーン)
and more...?
Game size:1Mbit (128KByte)
 
Board version:I.
Board number:171-5363 (1M Type-F)
ROM numbers:MPR-7751
Mapper used:315-5208

This Japanese SMS/Sega Mark III game cartridge of Fantasy Zone has two known board versions.

The first one contains 315-5208 mapper chip and one custom 28-pin 8-bit ROM chip (128Kx8).

PCB photographs by Protoman:

The second version contains board number 171-5362 and one custom 28-pin 8-bit ROM chip (128Kx8) with integrated mapper.

Complete board's schematic drawn by Enri:

171-5363 (-01)

Games:Zillion / Akai Koudan Zillion (赤い光弾 ジリオン)The Pro Yakyuu - Pennant Race (ザ・プロ野球 ペナントレース)

and many more... ||||

Game size:1Mbit (128KByte)
 
Board version:II.
Board number:171-5363-01 (1M Type-F)
ROM numbers:MPR-10749
Mapper used:315-5208

This Japanese SMS/Sega Mark III game cartridge board contains 315-5208 mapper chip and one custom 28-pin 8-bit ROM chip (128Kx8). The board is a minor revision of the original 171-5363 removing the two additional diodes and capacitor and modifying the circuit traces.

PCB photographs by Protoman:

Complete board's schematic drawn by Enri:

171-5362

Games:Great Football (グレートフットボール)Fantasy Zone (ファンタジーゾーン)

and many more... ||||

Game size:1Mbit (128KByte)
 
Board version:I.
Board number:171-5362 (1M Type-N)
ROM numbers:MPR-10576MPR-10118
Mapper used:INTEGRATED

This Japanese SMS/Sega Mark III game cartridge board contains a single custom 28-pin 8-bit ROM chip (128Kx8) with integrated mapper logic.

PCB photographs by Protoman:

Complete board's schematic drawn by Protoman:




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