Cannot format Flash Card

Linear Flash Card cannot be formatted though Windows 'sees' the card and PCM can detect the exact chip type and card size.

Linear Flash Cards cannot be used as DOS/windows compatible storage media. A Flash file system would be  necessary to achieve this. Microsoft does not supply a FLASH file system with Windows. CSM Drives (Professional Line) support  programming linear Flash Cards but do not offer FFS.
Use ATA- or SRAM Cards for DOS/Windows compatible storage.

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Flash Card cannot be written or erased

Every write access to a linear Flash Card fails in my notebook.

Many modern portable PC's do not support the programming voltage (12V) which is required by some older linear Flash Cards. Affects cards with INTEL type 1 (28F010, 28F020, 28F101, ...),  INTEL type 2 (28F008SA) and some other chips.
Use 5V only cards or a PC Card drive which generates the programming voltage itself, e.g. OmniDrive USB LF.

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Win 9x/Me, 2000: PC Card is continuously detected as new hardware

After modifying the contents of  a SRAM or linear Flash Card, Windows comes up with the 'New hardware'  wizard if the card is inserted for the next time. But the card was installed properly.

On SRAM/linear Flash Cards, the contents of some regions of the card determine the PnP-ID which is used by windows to identify new hardware. If these regions are altered, the PnP-ID will change and windows will find new hardware. Use a PC Card drive - e.g. the OmniDrive USB LF - which threats these cards as what they are: Simple Memory Cards.

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Flash Card or FLASH-Module does not boot

The media is installed as a replacement for an IDE hard disk. The BIOS detects the media and all required files are present if I boot from a floppy and look at that C: drive. But when I try to boot from C:, the PC hangs. 

ATA cards are typically preformatted by their manufacturers. The partitioning is usually done in standard mode (C/H/S-Mode). The media must be operated in that mode, or partitioning / formatting must be repeated in the currently selected mode (e.g. LBA or extended).

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