Zimmers.NET Files (formerly ftp.funet.fi)


Projects related to mass storage


1541-32k.txt 2016-09-07 10629
Expand 1541 ram to 32k

1541-II-PC.txt 2009-08-18 2959
Connecting a 1541-II disk drive to a PC/AT power supply.

1551-tia.gif 2009-08-18 78932
This German article describes how a broken 28-pin TIA chip in the
cartridge port connector of the 1551 disk drive was replaced with a
more common 40-pin version.

64hdproj.desc 2009-08-18 5653
64hdproj.sfx 2009-08-18 43261
Tells you how to connect an IBM XT hard disk (MFM) to the C64 using
a PC 8-bit MFM disk controller.

burst_fastloader_for_c64.html 2020-10-19 24534
Burst mode for C64 by Pasi Ojala

clean_align_1541.zip 2022-11-10 20638
PDF for a disk-cleaning template, with alignment disk

drive-number-switch.txt 2009-08-18 5937
Build a device number switch for Commodore disk drives.

iecata.tgz 2009-08-18 202185
Asbjørn Djupdal's Commodore serial bus based ATA hard disk controller
has been implemented on an Atmel AT90S8515 microcontroller in the C
programming language. This file includes the schematic diagrams,
the source code and the binary image for the microcontroller.
See also http://www.stud.ntnu.no/~djupdal/cbm/iecata/.

kim1541.zip 2023-04-27 189733
Schematic and rom image for KIM-1 -> IEC adapter, by Dave McMurtrie

pet_1541.zip 2021-10-18 185295
Schematic and UD11 option rom for PET->IEC interface

reset-for-diskdrive.txt 2009-08-18 5054
Build a RESET switch for Commodore disk drives.

track-density-display.lnx 2009-08-18 24410
Build a track density display for Commodore 1541 or 1571. The document
is in geoWrite format.

track-display.lnx 2009-08-18 90196
Build a digital track display for the Commodore 1541. The document is
in geoWrite format.

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