Añadir a mis favoritos vLA81 - Sinclair ZX81 ULA Replacement - NEW

Categoría:
Computadoras Retras >> Sinclair >> Sinclair ZX81 >> Components
Tipo de anuncio:
Precio Fijo Cantidad Multiple
Item Condition:
New
Ubicación del vendedor:
Riverhead, NY, United States of America
Tiempo restante:
3 días, 21h:27m:08s
Cantidad disponible:
2
Último comprador:
f***c (1)
Precio fijo:
US$49.99 ¡Cómpralo ya!
VAT, Duty and handling fees may be payable on Price & Shipping on receipt
Gastos de envío:
From only US$4.99
Formas de pago:
Pay Pal
Cantidad vendida:
1 (Ver historial)
Comprador Precio Fecha y hora Cantidad comprada
f***c (1) US$49.99 19/11/2023  03:10:11 1

Item Number : 63982

Vendedor

JandM (3) User Offline

Important: Mensaje a los compradores

Thank you for your order. We will prepare it and send it shortly!
Have a great day!
Team J&M

 

 

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Descripción

The vLA81 is a modern plugin replacement for the Sinclair ZX81 ULA. 
 
 

As they simply don't make ZX81 ULAs anymore, then unfortunately if the ULA has failed (and there's not much else on a ZX81 to fail), then options for repair are rapidly diminishing. The vLA81 provides a simple way to keep these icons of 80's computing going.

Apart from providing the functionality of both the earlier 2C158E/184 ULA (without back porch) and the 2C210E (with back porch), the vLA81 also has a few extras added.

vLA81 features:

 

  • Fits within the same 40 pin DIL socket outline as the original ULA.
  • Narrow IC pins for easy plugin ULA replacement. In most cases the existing socket will be OK (unless, of course, the existing ULA is soldered in).
  • Provides the same functionality as the 2C210E Sinclair ULA.
  • Video level selectable between standard video (suitable for direct connection to a 75 ohm monitor input) and high sync level (suitable for the modulator input or some video mod boards).
  • Back porch on/off select.
  • Internal 32K memory support (High or Low for the different hires schemes).
  • Programmable user configuration gives access to:
    • Inverse or normal video and choice of black or white border.
    • 50/60 Hz video standard.
    • Ability to map ram to the ROM space (write protect enable/disable – 32K internal ram required).
  • Tested with an extensive suite of ZX81 software.
  • Ideal for preserving the original ZX81 ULA.
  • Low power consumption.
 
 
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  • vLA81 - Sinclair ZX81 ULA Replacement - NEW
  • vLA81 - Sinclair ZX81 ULA Replacement - NEW

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Envío y Pago

Item Location:
Riverhead, NY, United States of America
Condiciones de envío:
Gastos de envío a cargo del comprador
Gastos de envío:
  • Para United States of America :
  • First Class Post : US$4.99 Por artículo inicial, US$1.00 Por artículos adicionales
  • Para EU :
  • Airmail Post : US$8.99 Por artículo inicial, US$1.00 Por artículos adicionales
  • Para Europe (Non EU) :
  • Airmail Post : US$8.99 Por artículo inicial, US$1.00 Por artículos adicionales
  • Para Americas (Non USA) :
  • Airmail Post : US$9.99 Por artículo inicial, US$1.00 Por artículos adicionales
  • Para Resto del Mundo :
  • Airmail Post : US$9.99 Por artículo inicial, US$1.00 Por artículos adicionales
Condiciones de envío:
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Formas de pago:
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