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Correct the supply (3.3 V and 12 V from the brick, no 5 V rail; the board makes 5 V with a 78M05 at U13); state plainly that Nintendo published no service manual; fix red links (Nintendo 64 General Maintenance, GameCube, Nintendo 64 controller, List of Nintendo 64 games, Category:Nintendo Documentation); note the Jumper Pak is required to boot and contains no capacitors; correct the audio description (software-mixed on the RCP, no sound chip); remove unsourced price, dimensions and weight
 
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| release date  = {{Start date|1996|06|23|df=yes}} (Japan)<br>{{Start date|1996|09|29|df=yes}} (North America)<br>{{Start date|1997|03|01|df=yes}} (Europe/Australia)
| release date  = {{Start date|1996|06|23|df=yes}} (Japan)<br>{{Start date|1996|09|29|df=yes}} (North America)<br>{{Start date|1997|03|01|df=yes}} (Europe/Australia)
| discontinued  = 2002
| discontinued  = 2002
| price          = US$199 (launch)
| cpu            = NEC VR4300, 64-bit MIPS R4300i core, 93.75&nbsp;MHz
| cpu            = 64-bit NEC VR4300 @ 93.75&nbsp;MHz (MIPS R4300i-based)
| graphics      = Reality Coprocessor (RCP), designed by Silicon Graphics
| memory        = 4&nbsp;MB RDRAM (expandable to 8&nbsp;MB with Expansion Pak)
| memory        = 4&nbsp;MB RDRAM, 8&nbsp;MB with the Expansion Pak
| storage        = Game cartridges (ROM, 4–64&nbsp;MB), Controller Pak (EEPROM/Flash/Static RAM)
| storage        = ROM cartridge; saves on cartridge EEPROM/SRAM/FlashRAM or on the Controller Pak
| display        = 256×224 to 640×480, 16.7 million colours (15-bit output), composite/S-Video/RF
| display        = 256×224 to 640×480, composite, S-Video and RF
| sound          = 16-bit stereo, ADPCM, up to 100 channels (handled by Reality Coprocessor)
| sound          = 16-bit stereo, generated in software on the RCP
| dimensions    = 260&nbsp;mm × 190&nbsp;mm × 73&nbsp;mm
| power          = NUS-002 external supply: '''+3.3&nbsp;V and +12&nbsp;V'''. No 5&nbsp;V rail comes in from the brick
| weight        = 1.1&nbsp;kg
| os            = None
| os            = Proprietary
| predecessor    = [[Super Nintendo Entertainment System]]
| predecessor    = [[Super Nintendo Entertainment System]]
| successor      = [[GameCube]]
| successor      = [[Nintendo GameCube]]
| codename      = Project Reality
| codename      = Project Reality
| model          = NUS-001
| model          = NUS-001
| logo          = [[File:Nintendo 64 wordmark.svg|250px]]
| logo          = [[File:Nintendo 64 wordmark.svg|250px]]
}}
}}
<templatestyles src="Template:StyledTable/styles.css" />


The '''Nintendo 64''' (N64) is a fifth-generation home video game console developed and manufactured by Nintendo. Released in 1996, it was Nintendo's first system to feature true 3D graphics and utilised cartridges as its primary media format. The N64 is renowned for its innovative controller design, four built-in controller ports, and a library of influential games such as ''Super Mario 64'', ''The Legend of Zelda: Ocarina of Time'', and ''GoldenEye 007''.
The '''Nintendo 64''' (N64) is Nintendo's fifth-generation home console, released in Japan in June 1996, in North America in September 1996 and in Europe in March 1997. It was Nintendo's first machine designed around real-time 3D rendering and its last to use cartridges until the Switch. It was developed under the codename '''Project Reality''' in partnership with Silicon Graphics.


== Architecture and Processor ==
'''Nintendo never published a service manual for it.''' There is no manufacturer parts list, no diagnostic table and no official capacitor list for this machine. What documentation exists is community work, and the pages below say which source each figure comes from. The most useful single document is the NUS-CPU-03/04 mainboard schematic hosted here.<ref name="n64sch">''N64 NUS-CPU-03/04 Schematic'', drawn by RDC, 2013, hosted at [[:File:N64 NUS-CPU-03-04 Schematic.pdf]]. Power section: connector P4 carries +12&nbsp;V on pin&nbsp;6, +3.3&nbsp;V on pins&nbsp;2 and 3 and ground on pins&nbsp;1, 4 and 5; SW1 switches both rails; U13, a 78M05, takes +12&nbsp;V in and produces the board's own +5&nbsp;V; U12, a PQ7VZ5, produces the RDRAM supplies Vterm (2.56&nbsp;V) and Vref (1.92&nbsp;V) set by R25 130&nbsp;Ω, R26 316&nbsp;Ω, R27 301&nbsp;Ω and R35 390&nbsp;Ω; D3 is the power LED, fed from +3.3&nbsp;V through R31 75&nbsp;Ω. There is no fuse in the console power path. Every capacitor on the drawing is a surface-mount part.</ref>
The Nintendo 64 is powered by a 64-bit MIPS RISC processor, the NEC VR4300, running at 93.75&nbsp;MHz. The CPU is paired with the custom '''Reality Coprocessor''', designed by Silicon Graphics, which handles graphics and audio processing. This architecture enabled advanced 3D rendering, texture mapping, and effects previously unseen on home consoles.


== Memory and Storage ==
For servicing, see [[Nintendo 64 Maintenance Guide]], [[Nintendo 64 Troubleshooting Guide]] and [[Nintendo 64 Capacitor Replacement Guide]].
The system includes 4&nbsp;MB of unified RDRAM, expandable to 8&nbsp;MB with the optional Expansion Pak. Games are distributed on proprietary ROM cartridges ranging from 4&nbsp;MB to 64&nbsp;MB in size. Save data is stored either on cartridge-based memory or on the removable '''Controller Pak''', which fits into the controller's expansion slot.


== Display and Graphics ==
== Architecture ==
The N64 outputs video at resolutions from 256×224 up to 640×480 pixels, supporting up to 16.7 million colours (though most games use 15-bit colour). The Reality Coprocessor's graphics subsystem enables real-time 3D rendering, Z-buffering, anti-aliasing, and texture filtering, setting new standards for console graphics at the time.


== Sound Capabilities ==
A '''NEC VR4300''' at 93.75&nbsp;MHz — a 64-bit MIPS R4300i core with a 32-bit external bus — paired with the '''Reality Coprocessor''', an SGI design that contains both the Reality Signal Processor and the Reality Display Processor. The RCP does the geometry, rasterisation and audio work; there is no separate sound chip, and audio is generated in software on the RSP with the microcode supplied by the game.
Audio is processed by the Reality Coprocessor, supporting 16-bit stereo output with up to 100 simultaneous channels. Games often feature high-quality sampled music and sound effects, though storage limitations of cartridges sometimes required compression.


== Input/Output and Expansion ==
Main memory is '''unified RDRAM''' shared by CPU, graphics and audio, which is the machine's defining architectural constraint: bandwidth, not processing, is usually what limits an N64 game.
The console features four controller ports for multiplayer gaming. Each controller includes an expansion slot for accessories such as the '''Rumble Pak''' (for force feedback), '''Controller Pak''' (memory card), and '''Transfer Pak'''. The system offers composite, S-Video, and RF video outputs, and supports a range of officially licensed and third-party peripherals.


== General Maintenance ==
== Memory ==
Routine maintenance involves keeping cartridge connectors and controller ports clean, ensuring adequate ventilation, and checking for dust buildup. Expansion Pak and Jumper Pak should be properly seated to avoid boot errors. You can find the full general maintenance guide on the [[Nintendo 64 General Maintenance]] page.


== PCB Schematics & Service Guide ==
4&nbsp;MB of RDRAM as shipped, 8&nbsp;MB contiguous with the '''Expansion Pak''' fitted in place of the '''Jumper Pak'''.
Official service information is limited, but community resources provide detailed PCB scans and repair guides. You can find documentation within [[:Category: Nintendo Documentation|Nintendo Documentation]]. The motherboard is identified as NUS-CPU-xx, with several revisions over the console's lifespan.


=== Motherboard Images ===
'''The Jumper Pak is not optional.''' It is a passive RAMBUS bus terminator, and '''with neither pak fitted the console will not boot at all.''' A missing or half-seated pak looks exactly like a dead console, and neither pak contains any capacitors — there is nothing in either of them to recap.
 
Saves live on the cartridge, in EEPROM, battery-backed SRAM or FlashRAM depending on the title, or on the removable '''Controller Pak''' that plugs into the controller.
 
== Power ==
 
The '''NUS-002''' external supply is a switch-mode unit, not an adapter, and it delivers '''two''' rails over a six-way connector: '''+3.3 V''' at roughly 2.7 A and '''+12 V''' at roughly 0.8 A, with three ground ways.
 
'''No 5 V rail comes in from the brick.''' The board generates its own +5&nbsp;V with a 78M05 at '''U13''', from the incoming +12&nbsp;V, and derives the RDRAM's '''Vterm (2.56 V)''' and '''Vref (1.92 V)''' on board with a PQ7VZ5 at U12. There is no fuse in the console's power path.<ref name="n64sch" />
 
The supply is the most common failure in an N64 system. It contains mains-side capacitors that hold a lethal charge after it is unplugged; see [[Nintendo 64 Maintenance Guide]] before opening one.
 
== Video and audio ==
 
Output resolutions run from 256×224 to 640×480, through composite, S-Video and RF depending on region and lead. The RCP provides Z-buffering, perspective-correct texture mapping, trilinear mipmap filtering and full-scene anti-aliasing — the last of which, combined with the small texture cache, gives the machine its characteristic soft look.
 
Audio is 16-bit stereo, mixed in software; channel counts and quality vary by title because the audio microcode is the game's choice, not the hardware's.
 
== Input and expansion ==
 
'''Four''' controller ports, built in — the first home console generation to treat four-player as standard rather than an accessory. Each controller has an expansion slot taking the '''Controller Pak''' (memory), the '''Rumble Pak''' (force feedback) or the '''Transfer Pak''' (Game Boy cartridge access).
 
The analogue stick is the console's defining wear item. Its gimbal wears mechanically, and a worn one cannot be cleaned or calibrated back into specification — it is replaced.
 
== Board revisions ==
 
The mainboard is silkscreened '''NUS-CPU-xx''' on NTSC and Japanese machines, '''NUS-CPU(P)-xx''' on PAL machines and '''NUS-CPU(R)-xx''' on a further variant. The revisions differ in their capacitor complement and in the video DAC fitted, so '''any component list that does not name a revision does not apply to your board.''' The schematic hosted here covers NUS-CPU-03 and -04 and marks the one section that is present on the -03 only.<ref name="n64sch" />
 
== Servicing ==
 
{| class="wikitable styled-table" style="width:85%;"
|+'''Where to look'''
! Topic !! Page
|-
| Preventive care, supply rails, opening the console || [[Nintendo 64 Maintenance Guide]]
|-
| Symptom-driven fault-finding || [[Nintendo 64 Troubleshooting Guide]]
|-
| Capacitors, mainboard and power supply, by revision || [[Nintendo 64 Capacitor Replacement Guide]]
|}
 
Case screws are '''4.5 mm Gamebit''', not tri-wing. Every electrolytic on the mainboard is surface-mount.
 
Documents hosted here: [[N64 NUS-CPU-03-04 Schematic]].
 
=== Motherboard images ===
<gallery mode="packed">
<gallery mode="packed">
File:Nintendo-N64-Motherboard-Top.jpg|Nintendo 64 motherboard, top view
File:Nintendo-N64-Motherboard-Top.jpg|Nintendo 64 mainboard, top
File:Nintendo-N64-Motherboard-Bottom.jpg|Nintendo 64 motherboard, bottom view
File:Nintendo-N64-Motherboard-Bottom.jpg|Nintendo 64 mainboard, underside
</gallery>
</gallery>


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</gallery>
</gallery>


== Related Pages ==
== Related pages ==
* [[Super Nintendo Entertainment System]]
* [[Super Nintendo Entertainment System]]
* [[GameCube]]
* [[Nintendo GameCube]]
* [[Nintendo 64 controller]]
* [[List of Nintendo Hardware]]
* [[List of Nintendo 64 games]]
 
== References ==
<references />


[[Category: Nintendo]]
[[Category:Nintendo]]

Latest revision as of 18:44, 23 September 2026

Nintendo 64
Nintendo 64 console with controller
Specifications
ManufacturerNintendo
TypeHome video game console
ReleasedJune 23, 1996 (Japan)

September 29, 1996 (North America)

March 1, 1997 (Europe/Australia)
Discontinued2002
CPUNEC VR4300, 64-bit MIPS R4300i core, 93.75 MHz
Memory4 MB RDRAM, 8 MB with the Expansion Pak
StorageROM cartridge; saves on cartridge EEPROM/SRAM/FlashRAM or on the Controller Pak
Display256×224 to 640×480, composite, S-Video and RF
Sound16-bit stereo, generated in software on the RCP
GraphicsReality Coprocessor (RCP), designed by Silicon Graphics
PowerNUS-002 external supply: +3.3 V and +12 V. No 5 V rail comes in from the brick
OS / FirmwareNone
PredecessorSuper Nintendo Entertainment System
SuccessorNintendo GameCube
CodenameProject Reality
Model no.NUS-001

The Nintendo 64 (N64) is Nintendo's fifth-generation home console, released in Japan in June 1996, in North America in September 1996 and in Europe in March 1997. It was Nintendo's first machine designed around real-time 3D rendering and its last to use cartridges until the Switch. It was developed under the codename Project Reality in partnership with Silicon Graphics.

Nintendo never published a service manual for it. There is no manufacturer parts list, no diagnostic table and no official capacitor list for this machine. What documentation exists is community work, and the pages below say which source each figure comes from. The most useful single document is the NUS-CPU-03/04 mainboard schematic hosted here.[1]

For servicing, see Nintendo 64 Maintenance Guide, Nintendo 64 Troubleshooting Guide and Nintendo 64 Capacitor Replacement Guide.

Architecture

[edit | edit source]

A NEC VR4300 at 93.75 MHz — a 64-bit MIPS R4300i core with a 32-bit external bus — paired with the Reality Coprocessor, an SGI design that contains both the Reality Signal Processor and the Reality Display Processor. The RCP does the geometry, rasterisation and audio work; there is no separate sound chip, and audio is generated in software on the RSP with the microcode supplied by the game.

Main memory is unified RDRAM shared by CPU, graphics and audio, which is the machine's defining architectural constraint: bandwidth, not processing, is usually what limits an N64 game.

Memory

[edit | edit source]

4 MB of RDRAM as shipped, 8 MB contiguous with the Expansion Pak fitted in place of the Jumper Pak.

The Jumper Pak is not optional. It is a passive RAMBUS bus terminator, and with neither pak fitted the console will not boot at all. A missing or half-seated pak looks exactly like a dead console, and neither pak contains any capacitors — there is nothing in either of them to recap.

Saves live on the cartridge, in EEPROM, battery-backed SRAM or FlashRAM depending on the title, or on the removable Controller Pak that plugs into the controller.

Power

[edit | edit source]

The NUS-002 external supply is a switch-mode unit, not an adapter, and it delivers two rails over a six-way connector: +3.3 V at roughly 2.7 A and +12 V at roughly 0.8 A, with three ground ways.

No 5 V rail comes in from the brick. The board generates its own +5 V with a 78M05 at U13, from the incoming +12 V, and derives the RDRAM's Vterm (2.56 V) and Vref (1.92 V) on board with a PQ7VZ5 at U12. There is no fuse in the console's power path.[1]

The supply is the most common failure in an N64 system. It contains mains-side capacitors that hold a lethal charge after it is unplugged; see Nintendo 64 Maintenance Guide before opening one.

Video and audio

[edit | edit source]

Output resolutions run from 256×224 to 640×480, through composite, S-Video and RF depending on region and lead. The RCP provides Z-buffering, perspective-correct texture mapping, trilinear mipmap filtering and full-scene anti-aliasing — the last of which, combined with the small texture cache, gives the machine its characteristic soft look.

Audio is 16-bit stereo, mixed in software; channel counts and quality vary by title because the audio microcode is the game's choice, not the hardware's.

Input and expansion

[edit | edit source]

Four controller ports, built in — the first home console generation to treat four-player as standard rather than an accessory. Each controller has an expansion slot taking the Controller Pak (memory), the Rumble Pak (force feedback) or the Transfer Pak (Game Boy cartridge access).

The analogue stick is the console's defining wear item. Its gimbal wears mechanically, and a worn one cannot be cleaned or calibrated back into specification — it is replaced.

Board revisions

[edit | edit source]

The mainboard is silkscreened NUS-CPU-xx on NTSC and Japanese machines, NUS-CPU(P)-xx on PAL machines and NUS-CPU(R)-xx on a further variant. The revisions differ in their capacitor complement and in the video DAC fitted, so any component list that does not name a revision does not apply to your board. The schematic hosted here covers NUS-CPU-03 and -04 and marks the one section that is present on the -03 only.[1]

Servicing

[edit | edit source]
Where to look
Topic Page
Preventive care, supply rails, opening the console Nintendo 64 Maintenance Guide
Symptom-driven fault-finding Nintendo 64 Troubleshooting Guide
Capacitors, mainboard and power supply, by revision Nintendo 64 Capacitor Replacement Guide

Case screws are 4.5 mm Gamebit, not tri-wing. Every electrolytic on the mainboard is surface-mount.

Documents hosted here: N64 NUS-CPU-03-04 Schematic.

Motherboard images

[edit | edit source]
[edit | edit source]
[edit | edit source]

References

[edit | edit source]
  1. 1.0 1.1 1.2 N64 NUS-CPU-03/04 Schematic, drawn by RDC, 2013, hosted at File:N64 NUS-CPU-03-04 Schematic.pdf. Power section: connector P4 carries +12 V on pin 6, +3.3 V on pins 2 and 3 and ground on pins 1, 4 and 5; SW1 switches both rails; U13, a 78M05, takes +12 V in and produces the board's own +5 V; U12, a PQ7VZ5, produces the RDRAM supplies Vterm (2.56 V) and Vref (1.92 V) set by R25 130 Ω, R26 316 Ω, R27 301 Ω and R35 390 Ω; D3 is the power LED, fed from +3.3 V through R31 75 Ω. There is no fuse in the console power path. Every capacitor on the drawing is a surface-mount part.