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{{Infobox computer
{{Infobox computer
| name        = Atari 65XE
| name        = Atari 65XE
| image        = [[File:Atari65XE.jpg|250px]]
| image        = [[File:Atari 65XE computer at Play Expo 2013 (retouched cutout) (white bg).jpg|250px]]
| caption      = Atari 65XE Home Computer
| caption      = Atari 65XE Home Computer
| manufacturer = Atari Corporation
| manufacturer = Atari Corporation
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| codename    = Sweet-16
| codename    = Sweet-16
| model        = 65XE
| model        = 65XE
| logo        = [[File:Atari XE logo.svg|250px]]
}}
}}


The '''Atari 65XE''' is an 8-bit home computer introduced by Atari Corporation in 1985 as part of the XE ("XL Enhanced") series. It maintained compatibility with the Atari 8-bit family while featuring a redesigned case and revised electronics, targeting the home computing and gaming market during the mid-1980s.
The '''Atari 65XE''' is an 8-bit home computer introduced by Atari Corporation in 1985 as part of the XE ("XL Enhanced") series. It maintained compatibility with the Atari 8-bit family while featuring a redesigned case and revised electronics, targeting the home computing and gaming market during the mid-1980s.


== 🧠 Architecture and Processor ==
== Architecture and Processor ==
At its core, the 65XE uses the '''MOS Technology 6502C''' microprocessor, a variant of the classic 6502, running at:
At its core, the 65XE uses the '''MOS Technology 6502C''' microprocessor, a variant of the classic 6502, running at:
* '''1.79 MHz''' (NTSC systems)
* '''1.79 MHz''' (NTSC systems)
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The 6502C coordinates system operations and interfaces with Atari’s custom chips, including ANTIC (video), GTIA (graphics), POKEY (sound and I/O), and PIA (peripherals).
The 6502C coordinates system operations and interfaces with Atari’s custom chips, including ANTIC (video), GTIA (graphics), POKEY (sound and I/O), and PIA (peripherals).


== 💾 Memory and Storage ==
== Memory and Storage ==
The Atari 65XE is equipped with:
The Atari 65XE is equipped with:
* '''64 KB RAM'''
* '''64 KB RAM'''
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* Cartridge slot for instant program loading
* Cartridge slot for instant program loading


== 🖥️ Display and Graphics ==
== Display and Graphics ==
Video output is managed by the '''ANTIC''' and '''GTIA''' chips, providing:
Video output is managed by the '''ANTIC''' and '''GTIA''' chips, providing:
* Resolution up to '''320×192 pixels'''
* Resolution up to '''320×192 pixels'''
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The XE series supports composite and RF video output for connection to TVs and monitors.
The XE series supports composite and RF video output for connection to TVs and monitors.


== 🔊 Sound Capabilities ==
== Sound Capabilities ==
Audio is generated by the '''POKEY''' chip, offering:
Audio is generated by the '''POKEY''' chip, offering:
* '''4 independent audio channels''' (voices), each 8-bit
* '''4 independent audio channels''' (voices), each 8-bit
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* Capable of complex sound effects and simple music synthesis
* Capable of complex sound effects and simple music synthesis


== 🎮 Input/Output and Expansion ==
== Input/Output and Expansion ==
The 65XE provides a range of I/O ports:
The 65XE provides a range of I/O ports:
* '''Cartridge slot''' – for software and hardware expansions
* '''Cartridge slot''' – for software and hardware expansions
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The XE series dropped the XL’s parallel bus connector, limiting some expansion options compared to earlier models.
The XE series dropped the XL’s parallel bus connector, limiting some expansion options compared to earlier models.


== 🔍 PCB Schematics & Service Manual ==
== PCB Schematics & Service Manual ==
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|-
|-
| [[File:Atari65XE_Mainboard.jpg|thumb|center|300px|Atari 65XE Logic Board]]
| [[File:Atari65XE_Mainboard.jpg|thumb|center|300px|Atari 65XE Logic Board]]
| [[File:Atari65XE_Schematic.png|center|thumb|300px|Atari 65XE Mainboard Schematic]]
| [[File:ATARI65XE-SCHEMATIC.pdf|center|thumb|Atari 65XE Mainboard Schematic]]
|}
|}
''For full service documentation, see the [[Atari 65XE Service Manual]]''


*For full service documentation, see the [[Atari 65XE Service Manual]] and [[Atari 8-bit Family Schematics]].*
== Gallery ==
 
== 📷 Gallery ==
<gallery mode="packed" heights="180">
<gallery mode="packed" heights="180">
File:Atari65XE.jpg|Atari 65XE front view
File:Atari 65XE computer at Play Expo 2013 (retouched cutout) (white bg).jpg|Atari 65XE front view
File:Atari65XE_rear.jpg|Rear panel with I/O ports
File:Atari65XE rear.jpg|Rear panel with I/O ports
File:Atari65XE_Mainboard.jpg|65XE motherboard (top view)
File:Atari65XE Mainboard.jpg|65XE motherboard (top view)
File:Atari_XE_family.jpg|Atari XE series (65XE, 130XE)
</gallery>
</gallery>


== 🧪 Related Pages ==
== Related Pages ==
* [[Atari 65XE General Maintenance]]
* [[Atari 65XE General Maintenance]]
* [[Atari 65XE Troubleshooting Guide]]
* [[Atari 65XE Troubleshooting Guide]]
* [[Atari 65XE Keyboard Repair Guide]]
* [[Atari 65XE Capacitor Replacement Guide]]
* [[Atari 8-bit Family Capacitor Replacement Guide]]
* [[Atari 8-bit Family Technical Reference]]
 
[[Category:Atari 8-bit Computers]]
{{Navbox-Atari8bit}}
 
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[[Category:Atari Systems]]

Latest revision as of 17:40, 9 August 2025

Atari 65XE
Atari 65XE Home Computer
Specifications
ManufacturerAtari Corporation
TypeHome Computer
Released1985
Discontinued1992
Intro priceUS$120 (1985)
CPUMOS Technology 6502C @ 1.79 MHz (NTSC) / 1.77 MHz (PAL)
Memory64 KB RAM, 16 KB ROM (BASIC, OS)
StorageExternal cassette tape (410/1010), optional 5.25" floppy disk drive (1050/XF551)
Display320×192 pixels, 40×24 text, 16 colours (ANTIC/GTIA)
SoundPOKEY: 4 voices, 8-bit, noise, envelope, keyboard scan
Dimensions34 cm × 24 cm × 7 cm
Weight1.7 kg
OS / FirmwareAtari BASIC (in ROM), Atari OS
PredecessorAtari 800XL
SuccessorAtari 130XE
CodenameSweet-16
Model no.65XE

The Atari 65XE is an 8-bit home computer introduced by Atari Corporation in 1985 as part of the XE ("XL Enhanced") series. It maintained compatibility with the Atari 8-bit family while featuring a redesigned case and revised electronics, targeting the home computing and gaming market during the mid-1980s.

Architecture and Processor

[edit | edit source]

At its core, the 65XE uses the MOS Technology 6502C microprocessor, a variant of the classic 6502, running at:

  • 1.79 MHz (NTSC systems)
  • 1.77 MHz (PAL systems)

The 6502C coordinates system operations and interfaces with Atari’s custom chips, including ANTIC (video), GTIA (graphics), POKEY (sound and I/O), and PIA (peripherals).

Memory and Storage

[edit | edit source]

The Atari 65XE is equipped with:

  • 64 KB RAM
  • 16 KB ROM, comprising:
    • 10 KB for the operating system (OS)
    • 6 KB for Atari BASIC (Revision C)

Storage options include:

  • Cassette tape drive (Atari 410/1010)
  • 5.25" floppy disk drive (Atari 1050, XF551)
  • Cartridge slot for instant program loading

Display and Graphics

[edit | edit source]

Video output is managed by the ANTIC and GTIA chips, providing:

  • Resolution up to 320×192 pixels
  • Text display: 40 columns × 24 rows
  • 16 colours (palette from 256 possible hues/luminances)
  • Multiple graphics modes (ANTIC modes 2–15), hardware vertical/horizontal scrolling
  • Hardware sprites ("player/missile graphics") for smooth animation

The XE series supports composite and RF video output for connection to TVs and monitors.

Sound Capabilities

[edit | edit source]

Audio is generated by the POKEY chip, offering:

  • 4 independent audio channels (voices), each 8-bit
  • Programmable frequency, noise, and envelope control
  • Keyboard scanning and serial I/O support
  • Capable of complex sound effects and simple music synthesis

Input/Output and Expansion

[edit | edit source]

The 65XE provides a range of I/O ports:

  • Cartridge slot – for software and hardware expansions
  • SIO (Serial Input/Output) port – connects to disk drives, printers, modems, and other peripherals
  • Two joystick ports – compatible with Atari-standard controllers
  • Composite and RF video outputs – for TV/monitor connection
  • Parallel bus (internal, not user-accessible) for memory upgrades and peripherals

The XE series dropped the XL’s parallel bus connector, limiting some expansion options compared to earlier models.

PCB Schematics & Service Manual

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The Atari 65XE features a compact mainboard integrating the 6502C CPU, ANTIC, GTIA, POKEY, and RAM/ROM ICs. Service documentation and schematics are essential for repair and restoration.

Logic Board Schematic Diagrams
Atari 65XE Logic Board
File:ATARI65XE-SCHEMATIC.pdf

For full service documentation, see the Atari 65XE Service Manual

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