Jan Beta | SpeedDOS for the Commodore 1541C Disk Drive @JanBeta | Uploaded August 2021 | Updated October 2024, 7 hours ago.
I'm installing a parallel adapter in my Commodore 1541C disk drive to be able to use the SpeedDOS fast loader. // Kindly sponsored by PCBWay - Get your first PCBs free! - pcbway.com/​

Sven Petersen's GitHub for the 1541 adapter PCBs (and ROM files):
github.com/svenpetersen1965/1541-parallel-adapter-SpeedDOS

The modified version for the 1541C is here:
github.com/svenpetersen1965/1541-parallel-adapter-SpeedDOS/tree/master/1541_VIA_Parallel_Adapter_1541C/Rev.%200

The ROM dump from the 1541C SpeedDOS ROM I'm using:
app.box.com/s/uexjx5zrbmteja3b6uubo21gdgq3gta5

My first 1541C video (mains voltage mod):
youtu.be/t3kJrSLaXtU

Repairing the C64 I'm using here:
youtu.be/Cn407PZFD_M

This video was sponsored by PCBWay.

TIME STAMPS:
0:00 Introduction
1:33 Inspecting the drive
3:35 Sponsor Message
4:30 Components for the mod
5:07 Desoldering the VIA chip
8:36 Assembling the PCBs
14:42 Fitting a socket
16:31 Making and connecting the parallel cable
20:12 Test run
21:15 Track zero sensor issues
24:03 Speed test
27:43 Thank you & Good night

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