Atari XF551 Disk Drive ROM Upgrade
Upgrade your Atari XF551 Disk Drive with either the Bob Woolley or HyperXF (Stefan Dorndorf) upgrades. Each version has unique features that you may want to consider.
Bob Woolley ROM -
- Allows the installation and use of a 720K 3 1/2" Floppy Drive
- Changes numbers of tracks to 80
- Tweaks the track seek timing to match a typical 3 1/2" floppy drive
- Spin-up delay improving write reliability
- Provides density retry
- Available for either 5 1/4" or 3 1/2" Disk Versions
- Sector skewing
- Faster read/writes
- Disk partitioning
- Fixes density detection bug
- Fixes PAL/NTSC incompatibility
Each chip is verified and a labeled accordingly.
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