User:Theretrobristolian/MS9-29: Difference between revisions
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|year = 1997 | |year = 1997 | ||
|cpu = Manual or Auto (on some models) | |cpu = Manual or Auto (on some models) | ||
| | |res_switching = 15Khz 3V / 24Khz 4V | ||
|sound = Yamaha YMF292-F SCSP | |sound = Yamaha YMF292-F SCSP | ||
|resolution = 15KHz and 24Khz | |resolution = 15KHz and 24Khz | ||
Revision as of 15:16, 30 December 2023
| Nanao MS9-29 | |
|---|---|
 Photo of an MS9-29S-E chassis | |
 | |
| Manufacturer | NANAO CORPORATION |
| Year(s) | 1997 |
| Resolution(s) | 15KHz and 24Khz |
| Resolution Switching | 15Khz 3V / 24Khz 4V |
| Predecessor | MS8-29 |
| Successor | MS-2931 |
The Nanao MS9-29 was an arcade monitor manufactured by the NANAO Corporation (now known as Eizo Corporation)[1]. The MS9-29 proved to be a popular choice of Sega Europe being fitted to many genre defining machines like Daytona USA and House of the Dead. It was also known for its usage in Sega New Astro City and Taito Egret II cabinets.
The MS9-29 was a successor to the previous MS8-29 in almost every way, with improved safety (due to more components being on the secondary side instead of the primary side) and better colour adjustment with a dedicated Contrast pot. Sadly the MS9-29 in its default configuration suffers from a slightly softer picture than the MS8-29 in 24Khz mode, however a modification has been identified to restore the sharpness of the MS8 to the MS9[2].
Even to this day the MS9-29 proves to be a fan favourite.
Hardware Specifications
Main CPU: 2x Hitachi SH-2 @ 28.6 MHz in a master/slave configuration
Custom Saturn Control Unit (SCU): Fixed-point math coprocessor
VDP1: 32-bit Video Display Processor - handles sprite and polygon drawing. Dual 256 KB framebuffers for rotate and scale effects. Texture mapping, Gouraud shading. 512KB texture RAM
VDP2: 32-bit background and scroll plane Video Display Processor - transparency effects, shadowing, 5 simultaneous scrolling backgrounds and 2 simultaneous rotating playfields
Sound CPU: Motorola 68000 @ 11.45 MHz
Sound Chip: Yamaha YMF292-F SCSP @ 11.3 MHz
Main RAM: 2 MB
VRAM: 1.54MB
Audio RAM: 512KB
Game List
ST-V Mod BIOS
The ST-V MODBIOS able from Joerg Hartenberger's website.
Manuals
Monitor Labels
CN24 Stereo Connector
The ST-V supports stereo via the onboard cn24 connector, the pinout is as follows:-
1-Left
2-Ground
3-Right
4-Ground
A simph a stereo amplifier.
Common Faults
"ST-V IMPROPER GAME INSTALLATION" appears if Isopropyl Alcohol and a toothbrush.
Contributions and thanks
Thanks goes to initial contributions made by 'Kazuo', updated contributions made by 'TheRetroBristolian' and the 'Arcade Otaku Wiki pages' for hosting and assisting with tidying up and making this valuable information for others to read and enjoy.