Just thought I'd share a few links to some really handy utilities for working with Disk Images:
ImDisk Virtual Disk Driver (freeware):http://www.ltr-data.se/opencode.html/#ImDisk ImDisk allows you to mount images for a large number of media types as readable in Windows (NT on up only)...
I have a used PCjr SPEEDUP board, specs:
Board Revision 2.2
Firmware(?) Rev. 3.1,
EPROM is labeled D200
Serial Number 10050
This unit is slightly different than the one in this thread:
http://www.vintage-computer.com/vcforum/showthread.php?15764-If-you-see-something-weird-dig-deeper-...
in...