1541 Ultimate-II
Features:
Full emulation of a real Commodore 1541 diskdrive.
Uses .D64 and .G64 files stored on MicroSD card or USB stick
Supports .G64 files as well (Read/Write)
Configurable ID
Configurable ROM (1541/1541C/1541II or custom)
RAMBOard memory expansion (up to 40K)
MicroSD or USB storage device (stick, card reader, and even HD)
FAT/FAT32 support, with sub-directories and long filenames
Supports SD V1.1 cards as well as SD V2.0 in High Capacity mode (SDHC)
Battery backed up Real Time Clock
C64 cartridge emulation:
Final Cartridge III
Action Replay
Retro Replay
Super Snapshot
Turbo Assembler w/ Codenet
Epyx Fastloader
Custom 8K/16K carts
Custom Ocean / System3 carts (up to 512K)
Commodore 1750/1764 REU
REU Compatible
Size selectable from 128K up to 16 MB
Can be combined with Retro Replay and SuperSnapshot compatible roms
Flexible freezer menu
select, mount, create D64 images, browse disk images
create new directories, delete files
Ultra fast DMA load of single file programs (.PRG files on SD/USB, inside .D64 or .T64)
Configuration screen, with resident settings
Tape emulation, through 6-pin header on the bottom of the board
Totally rewritten firmware, for easier expansion and maintenance
Specifications:
- Board size: 62 x 84 mm
- Sturdy plastic case, enforced with glass fiber
- 700k-gate FPGA
- Full size 6-pin DIN connector (IEC)
- 2 MB Flash ROM
- 32 MB SDRAM
- MicroSD card compatible slot
- USB host port (supports Mass storage class only)
- Stereo audio output
- 6-pin expansion pin-header for connection to tape port (for C2N emulation), or other future features.
http://www.1541ultimate.net/content/