CF Card slot
The CF Card slot (Compact Flash) is found on select ThinkPads.
This is a CF+ Type II slot.
ISA based CompactFlash
This is implemented as a ISA device, that can support both CF memory cards, and CF IO cards (e.g. Bluetooth or WiFi).
Linux support
This is handled by the Linux PCMCIA subsystem.
Models featuring this Technology
PCI based CompactFlash
This is implemented as a PCI device, that can support both CF memory cards, and CF IO cards (e.g. Bluetooth or WiFi).
Linux support
This is handled by the Linux PCMCIA subsystem.
Models featuring this Technology
NOTE!
On the X20, chip revision (80), and the X32, chip revision (aa), DMA is not supported, and only PIO modes 0 to 4 are supported (with a UDMA4 & PIO6 supporting card) according to hdparm.
USB based CompactFlash
This is implemented as a USB device, and can only support CF memory cards.
Linux support
This is handled by the Linux USB Storage subsystem (usb-storage).
