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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]]
}}
}}


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| [[File:Atari65XE_Schematic.png|center|thumb|300px|Atari 65XE Mainboard Schematic]]
| [[File:Atari65XE_Schematic.png|center|thumb|300px|Atari 65XE Mainboard Schematic]]
|}
|}
 
''For full service documentation, see the [[Atari 65XE Service Manual]] and [[Atari 8-bit Family Schematics]].''
*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>


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* [[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]]
[[Category:Atari 8-bit Computers]]
{{Navbox-Atari8bit}}
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Revision as of 20:43, 9 May 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

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

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

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

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

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

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.png
Atari 65XE Mainboard Schematic

For full service documentation, see the Atari 65XE Service Manual and Atari 8-bit Family Schematics.