Faites à ceci mon favori Sinclair ZX Spectrum Pentagon 128 AY-3-8910 & SRAM 512kb PCB

Catégorie:
Rétros Ordinateurs >> Sinclair >> Sinclair ZX Spectrum >> Hardware >> General / Add-Ons
Listing type:
Fixed Price Multiple Items
Item Condition:
New
Localisation du vendeur:
Khabarovsk, Khabarovskiy kray, Russian Federation
Ending in:
19es jours, 02h : 00m : 12s
Quantity Available
5
Budget fixe:
US$50.00 Achat immédiat
Shipping Costs:
A partir fe US$12.00
Méthodes de paiement:
Pay Pal
Number Sold:
0 (Visualiser l'historique)

WARNING: Due to the impact of coronavirus, delivery times across the World are severely impacted, with some countries refusing to accept postage completely.

Item Number : 39951

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Budget fixe: US$50.00
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Description

1.
ZX Spectrum Pentagon 128Kb AY - Modified Board of a popular retrocomputer Zx Spectrum Pentagon 128. There is a place to install a molex connector to power the computer from a modern power supply unit from a PC.
Onboard there is a built-in music processor, as well as 2 connectors for a modern drive and a molex power connector. There is also a place to install a molex connector to power the computer from a modern power supply unit from a PC
The diameter of vias is reduced to 0.4 mm and hidden under the mask
Integrated AY-3-8910.
Integrated port Kempston.
Added block capacitors in SMD version on the back of the board.
The printer's ROM has been converted to a test one, with the main ROM being switched by a jumper that is located near the drive connector.
Rewriting resistive assembly on the processor data bus with a + 5V pin on the edge, not on the center.
Added screen for quartz 8 MHz.
Improved power bus.
Added mounting holes.
Unconnected inputs of microcircuits are pulled up to + 5V.
PCB covered with blue solder mask and silk-screen printing
Added mounting field to install molex type connector for floppy disk power supply
Added pins for installing SMD tantalum capacitors on the power bus
Added pins for installing SMD components instead of pinouts
etc

2.

512 KB SRAM for Pentagon 128 (expandable memory)

SRAM 512 module board for memory expansion of ZX Spectrum Pentagon 128 up to 512kb. One BS62LV4006 static memory chip is used instead of 16 RU5. The module is installed in the memory slots of your computer. Only the board is sold. There are 2 errors on the board - 2 contacts are covered with a mask, the mask must be removed and the holes drilled with a 0.8mm drill

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  • Sinclair ZX Spectrum Pentagon 128 AY-3-8910 & SRAM 512kb PCB

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Shipping and Payment

Item Location:
Khabarovsk, Khabarovskiy kray, Russian Federation
Conditions de livraison:
Acheteur paie les frais de livraison
Commission de livraison:
  • À Russian Federation :
  • Second Class Signed For : US$12.00 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À UE :
  • Courier : US$34.90 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À Europe (Non EU) :
  • Courier : US$34.90 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À Americas (Non USA) :
  • Courier : US$34.90 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À Reste du monde :
  • Courier : US$34.90 Pour l'objet initial, US$9.00 Par article supplémentaire
  • À USA :
  • Courier : US$34.90 Pour l'objet initial, US$9.00 Par article supplémentaire
Limites d'expédition:
Non spécifié
Méthodes de paiement:
Pay Pal

The seller accepts all responsibility for this listing

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