Sega Saturn (Model 1) - Revision history

Josh at 17:18, 12 May 2025

2025-05-12T17:18:18Z

← Older revision		Revision as of 18:18, 12 May 2025
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	The '''Sega Saturn''' (Model 1) is a 32-bit fifth-generation home video game console developed by Sega and released in Japan in November 1994, followed by North America and Europe in 1995. Renowned for its complex dual-CPU architecture and advanced 2D/3D graphics capabilities, the Saturn was Sega's answer to the Sony PlayStation and Nintendo 64.		The '''Sega Saturn''' (Model 1) is a 32-bit fifth-generation home video game console developed by Sega and released in Japan in November 1994, followed by North America and Europe in 1995. Renowned for its complex dual-CPU architecture and advanced 2D/3D graphics capabilities, the Saturn was Sega's answer to the Sony PlayStation and Nintendo 64.

	== 🧠 Architecture and Processor ==		== Architecture and Processor ==
	At the heart of the Saturn is a sophisticated multi-processor design:		At the heart of the Saturn is a sophisticated multi-processor design:
	* '''Main CPU''': Dual '''Hitachi SH-2''' 32-bit RISC processors, each running at 28.6 MHz, connected via a custom bus.		* '''Main CPU''': Dual '''Hitachi SH-2''' 32-bit RISC processors, each running at 28.6 MHz, connected via a custom bus.
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	This parallel architecture enabled advanced graphical effects but presented programming challenges, impacting third-party development.		This parallel architecture enabled advanced graphical effects but presented programming challenges, impacting third-party development.

	== 💾 Memory and Storage ==		== Memory and Storage ==
	The Saturn's memory subsystem includes:		The Saturn's memory subsystem includes:
	* '''2 MB main RAM'''		* '''2 MB main RAM'''
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	'''Storage''' is provided by a double-speed (2×) CD-ROM drive, supporting up to 640 MB per disc. Save data is stored in internal backup RAM or optional external RAM cartridges.		'''Storage''' is provided by a double-speed (2×) CD-ROM drive, supporting up to 640 MB per disc. Save data is stored in internal backup RAM or optional external RAM cartridges.

	== 🖥️ Display and Graphics ==		== Display and Graphics ==
	The Saturn excels at 2D graphics and supports 3D rendering:		The Saturn excels at 2D graphics and supports 3D rendering:
	* '''Resolution''': Ranges from 320×224 up to 704×480 pixels (interlaced and non-interlaced modes)		* '''Resolution''': Ranges from 320×224 up to 704×480 pixels (interlaced and non-interlaced modes)
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	The Saturn's architecture was optimised for 2D arcade-style games but could deliver impressive 3D visuals when fully utilised.		The Saturn's architecture was optimised for 2D arcade-style games but could deliver impressive 3D visuals when fully utilised.

	== 🔊 Sound Capabilities ==		== Sound Capabilities ==
	Audio on the Saturn is handled by the '''Yamaha YMF292-F (SCSP)''' sound processor:		Audio on the Saturn is handled by the '''Yamaha YMF292-F (SCSP)''' sound processor:
	* '''32 sound channels''' (16-bit PCM or 8 FM synthesis)		* '''32 sound channels''' (16-bit PCM or 8 FM synthesis)
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	The system's sound hardware enabled rich, multi-layered music and effects, rivaling dedicated audio workstations of the era.		The system's sound hardware enabled rich, multi-layered music and effects, rivaling dedicated audio workstations of the era.

	== 🎮 Input/Output and Expansion ==		== Input/Output and Expansion ==
	The Saturn provides a range of connectivity and expansion options:		The Saturn provides a range of connectivity and expansion options:
	* '''Controller ports''': 2 standard 9-pin Sega controller ports (supporting multitap for up to 6 players)		* '''Controller ports''': 2 standard 9-pin Sega controller ports (supporting multitap for up to 6 players)
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	* '''Power supply''': Internal		* '''Power supply''': Internal

	== 🔍 PCB Schematics & Service Manual ==		== PCB Schematics & Service Manual ==
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	The official Sega Saturn Service Manual and schematics are available via [[Sega Service Manual - Sega Saturn Pal - 1 June 1995\|Sega Saturn Service Manual (PDF)]].		The official Sega Saturn Service Manual and schematics are available via [[Sega Service Manual - Sega Saturn Pal - 1 June 1995\|Sega Saturn Service Manual (PDF)]].

	== 📷 Gallery ==		== Gallery ==
	<gallery mode="packed" heights="200">		<gallery mode="packed" heights="200">
	File:Sega-Saturn-Console-Set-Mk1.png\|Sega Saturn Model 1 (Japanese launch)		File:Sega-Saturn-Console-Set-Mk1.png\|Sega Saturn Model 1 (Japanese launch)
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	</gallery>		</gallery>

	== 🧪 Related Pages ==		== Related Pages ==
	* [[Sega Saturn (Model 1) Maintenance Guide\|Sega Saturn (Model 1) General Maintenance]]		* [[Sega Saturn (Model 1) Maintenance Guide\|Sega Saturn (Model 1) General Maintenance]]
	* [[Sega Saturn (Model 1) Troubleshooting Guide]]		* [[Sega Saturn (Model 1) Troubleshooting Guide]]
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	[[Category:Sega Systems]]		[[Category:Sega Systems]]

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Josh: /* 🧪 Related Pages */

2025-05-09T15:50:12Z

🧪 Related Pages

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	== 🧪 Related Pages ==		== 🧪 Related Pages ==
	* [[Sega Saturn General Maintenance]]		* [[Sega Saturn (Model 1) Maintenance Guide\|Sega Saturn (Model 1) General Maintenance]]
	* [[Sega Saturn Troubleshooting Guide]]		* [[Sega Saturn (Model 1) Troubleshooting Guide]]
	* [[Sega Saturn Controller Repair Guide]]		* [[Sega Saturn Controller Repair Guide]]
	* [[Sega Saturn Capacitor Replacement Guide]]		* [[Sega Saturn (Model 1) Capacitor Replacement Guide]]

	[[Category:Sega Systems]]		[[Category:Sega Systems]]

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Josh at 15:48, 9 May 2025

2025-05-09T15:48:08Z

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	\| os = Proprietary Sega Saturn OS (in ROM)		\| os = Proprietary Sega Saturn OS (in ROM)
	\| predecessor = [[Sega Mega Drive / Genesis (Model 2)]]		\| predecessor = [[Sega Mega Drive / Genesis (Model 2)]]
	\| successor = [[~~Dreamcast~~]]		\| successor = [[Sega Saturn (Model 2)]]
	\| codename = "Saturn"		\| codename = "Saturn"
	\| model = HST-3200 (JP), MK-80000 (NA/EU)		\| model = HST-3200 (JP), MK-80000 (NA/EU)

Josh at 11:15, 9 May 2025

2025-05-09T11:15:45Z

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	\| weight = 2.0 kg		\| weight = 2.0 kg
	\| os = Proprietary Sega Saturn OS (in ROM)		\| os = Proprietary Sega Saturn OS (in ROM)
	\| predecessor = [[Sega Mega Drive / Genesis]]		\| predecessor = [[Sega Mega Drive / Genesis (Model 2)]]
	\| successor = [[Dreamcast]]		\| successor = [[Dreamcast]]
	\| codename = "Saturn"		\| codename = "Saturn"

Josh: /* 🔍 PCB Schematics & Service Manual */

2025-05-09T11:14:13Z

🔍 PCB Schematics & Service Manual

← Older revision		Revision as of 12:14, 9 May 2025
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	\|}		\|}

	The official Sega Saturn Service Manual and schematics are available via [[Sega Service Manual - Sega Saturn Pal - 1 June 1995\|Sega Saturn Service Manual (PDF)~~]] and [[Sega Saturn Technical Reference~~]].		The official Sega Saturn Service Manual and schematics are available via [[Sega Service Manual - Sega Saturn Pal - 1 June 1995\|Sega Saturn Service Manual (PDF)]].

	== 📷 Gallery ==		== 📷 Gallery ==

Josh: /* 🔍 PCB Schematics & Service Manual */

2025-05-09T11:13:07Z

🔍 PCB Schematics & Service Manual

← Older revision		Revision as of 12:13, 9 May 2025
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	\|-		\|-
	\| [[File:Sega-Saturn-Motherboard.jpg\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard]]		\| [[File:Sega-Saturn-Motherboard.jpg\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard]]
	\| [[File:~~SegaSaturn-Model1-Schematic~~.~~png\|thumb~~\|center\|~~300px~~\|Sega Saturn Model 1 Mainboard Schematic]]		\| [[File:Sega saturn va0.5 schematics.pdf\|center\|thumb\|Sega Saturn Model 1 Mainboard Schematic]]
	\|}		\|}

Josh: /* 🔍 PCB Schematics & Service Manual */

2025-05-09T11:11:57Z

🔍 PCB Schematics & Service Manual

← Older revision		Revision as of 12:11, 9 May 2025
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	{\| class="wikitable styled-table" style="width:80%; text-align:center;"		{\| class="wikitable styled-table" style="width:80%; text-align:center;"
	! ~~style="background-color:#f2f2f2;"\|~~ Saturn Model 1 Mainboard		! Saturn Model 1 Mainboard
	! ~~style="background-color:#f2f2f2;"\|~~ Mainboard Schematic		! Mainboard Schematic
	\|-		\|-
	\| [[File:Sega-Saturn-Motherboard.jpg\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard]]		\| [[File:Sega-Saturn-Motherboard.jpg\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard]]

Josh: /* 🔍 PCB Schematics & Service Manual */

2025-05-09T11:11:05Z

🔍 PCB Schematics & Service Manual

← Older revision		Revision as of 12:11, 9 May 2025
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	\|}		\|}

	The official Sega Saturn Service Manual and schematics are available via [[Sega Saturn Service Manual (PDF)]] and [[Sega Saturn Technical Reference]].		The official Sega Saturn Service Manual and schematics are available via [[Sega Service Manual - Sega Saturn Pal - 1 June 1995\|Sega Saturn Service Manual (PDF)]] and [[Sega Saturn Technical Reference]].

	== 📷 Gallery ==		== 📷 Gallery ==

Josh at 11:04, 9 May 2025

2025-05-09T11:04:36Z

← Older revision		Revision as of 12:04, 9 May 2025
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	* [[Sega Saturn Capacitor Replacement Guide]]		* [[Sega Saturn Capacitor Replacement Guide]]

	[[Category:Sega ~~Consoles]]~~		[[Category:Sega Systems]]
	~~[[Category:1990s Video Game Consoles~~]]

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Josh: /* 🔍 PCB Schematics & Service Manual */

2025-05-09T11:04:01Z

🔍 PCB Schematics & Service Manual

← Older revision		Revision as of 12:04, 9 May 2025
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	! style="background-color:#f2f2f2;"\| Mainboard Schematic		! style="background-color:#f2f2f2;"\| Mainboard Schematic
	\|-		\|-
	\| [[File:~~SegaSaturn~~-~~Model1~~-~~LogicBoard~~.jpg\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard]]		\| [[File:Sega-Saturn-Motherboard.jpg\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard]]
	\| [[File:SegaSaturn-Model1-Schematic.png\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard Schematic]]		\| [[File:SegaSaturn-Model1-Schematic.png\|thumb\|center\|300px\|Sega Saturn Model 1 Mainboard Schematic]]
	\|}		\|}