Instruction manual
If you are using a compact flash drive in an IDE adapter, you may be able to get power from pin 20 of
the drive connector, instead of using separate wires. See the section above in Building the Disk and
Memory Expansion for details.
Testing the Disk Drive
You can test the disk drive using the monitor load, diskwr, diskrd, and dump commands. Of
course, once you write to the disk any information on the sector you write to will be overwritten and
lost. This is especially true of sector 0, which on most disks will have partition information. The cpm
command in the ROM monitor reads disk sector 0 into memory, so you will need to place code in this
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