Roman Kubat

POLAND • + Follow

Mariusz Fiedorowicz

POLAND
- 0
- 0
Engineer

FRANCE
- 0
- 0
Rob Egly

CANADA
- 0
- 0
Paweł Barszczowski

POLAND
- 0
- 3
22

Description

JiffyDOS without switch

### DESCRIPTION

JiffyDOS without switch for Commodore 64

### TECHNICAL DETAILS / COMPONENTS

1 x 74HC74

1 x 27C256

### LEARN / TOPIC / BUILD INSTRUCTIONS

JiffyDOS is started by default.

If you press down the RESTORE-key during power-up/reset then the original Basic starts.

You need to remove the original ROM and solder socket DIL28.

Put JiffyDOS to DIL28 socket and solder Reset (red wire) and Restore (white wire) to R3 pin and +.

Oct 12,2018

6,221 views

JiffyDOS without switch

2 Layers PCB 27 x 40 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen

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Published: Oct 12,2018

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Topic

DIY Electronics

Computers & USB

JiffyDOS Commodore 64

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