Difference between revisions of "Sega H1 Board"
From Sega Retro
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** Sound DSP: 2× Yamaha FH1 DSP (Digital Signal Processor) @ 22.579 MHz (24-bit, 128-step, 8 parallel instructions) | ** Sound DSP: 2× Yamaha FH1 DSP (Digital Signal Processor) @ 22.579 MHz (24-bit, 128-step, 8 parallel instructions) | ||
** Bus width: 48-bit (2× 24-bit) internal, 32-bit (2× 16-bit) external {{fileref|Sega Service Manual - Sega Saturn (PAL) - 013-1 - June 1995.pdf}} | ** Bus width: 48-bit (2× 24-bit) internal, 32-bit (2× 16-bit) external {{fileref|Sega Service Manual - Sega Saturn (PAL) - 013-1 - June 1995.pdf}} | ||
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| + | ===Graphics=== | ||
| + | {{multicol| | ||
* GPU: Sega 837-9621 Video Board @ 50 MHz {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/coolridr.cpp}} | * GPU: Sega 837-9621 Video Board @ 50 MHz {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/coolridr.cpp}} | ||
** Bus width: 160-bit | ** Bus width: 160-bit | ||
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** Maximum texels per scanline: 3913 | ** Maximum texels per scanline: 3913 | ||
}} | }} | ||
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| + | ===RAM=== | ||
| + | * CPU Board: 3140 [[Byte|KB]] (2 MB [[wikipedia:SDRAM|SDRAM]], 1 MB [[wikipedia:DRAM|DRAM]], 64 KB [[SRAM]], 4 KB [[wikipedia:Ferroelectric RAM|FRAM]]) {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/coolridr.cpp}} | ||
| + | * Video Board: 5.125 [[Byte|MB]] (2.25 MB [[wikipedia:FPM DRAM|FPM DRAM]], 2 MB DRAM, 896 KB SRAM) {{ref|https://github.com/mamedev/mame/blob/master/src/mame/drivers/coolridr.cpp}} | ||
==Softography== | ==Softography== | ||
Revision as of 16:11, 27 November 2015
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The Sega H1 Board is an arcade board made by Sega. Hardware-wise, it crosses the bridge between the Sega System 32 and the Sega Model 1 and Model 2, and uses hardware similar to the Sega Saturn and ST-V. Only two games are known to use it. [1]
Contents
Specifications
- Board composition: CPU Board + Video Board + ROM Board [1]
- CPU: 3× processors, 32-bit, 28.63636 MHz, 47.43636 MIPS [1][2]
- Main CPU: Hitachi SH-2 @ 28.63636 MHz (32-bit, 28.63636 MIPS)
- Sub-CPU: Hitachi SH-1 @ 11.2896 MHz (32-bit, 16 MIPS)
- Sound CPU: Toshiba TMP68HC000N @ 16 MHz (16/32-bit, 2.8 MIPS)
- Sound processors: 2× Yamaha SCSP (Saturn Custom Sound Processor) YMF292 [1][3]
- Sound DSP: 2× Yamaha FH1 DSP (Digital Signal Processor) @ 22.579 MHz (24-bit, 128-step, 8 parallel instructions)
- Bus width: 48-bit (2× 24-bit) internal, 32-bit (2× 16-bit) external [4]
Graphics
- GPU: Sega 837-9621 Video Board @ 50 MHz [1]
- Display: 2-4 monitors, progressive scan
- Display resolution:
- 2 monitors: 992×384 (496×384 per monitor) [1]
- 4 monitors: 1280×224 to 1280×240 (320×224 to 320×240 per monitor)
- Overscan resolution:
- 2 monitors: 1280×512 (640×512 per monitor) [1]
- 4 monitors: 1280×224 to 1664×262 (320×224 to 416×262 per monitor)
- Refresh rate: 57.0426 to 60 Hz [1]
- Frame rate: 57.0426 to 60 frames/sec
- Color depth: 16,777,216 colors (24/32-bit), 65,536 colors (16-bit), 32,768 colors (15-bit) [1]
- Pixel fillrate: 50 million pixels/sec
- Sprite/Texture fillrate: 50 million texels/sec
- Maximum texels per frame: 876,537
- Maximum texels per scanline: 3913
RAM
- CPU Board: 3140 KB (2 MB SDRAM, 1 MB DRAM, 64 KB SRAM, 4 KB FRAM) [1]
- Video Board: 5.125 MB (2.25 MB FPM DRAM, 2 MB DRAM, 896 KB SRAM) [1]
Softography
- Cool Riders (1995)
- Aqua Stage (1995) [6]
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