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CompactFlash on IDE Bus

solid-state memory for the PC

CompactFlash on IDE Bus
CompactFlash cards are memory media that retain their contents without a supply voltage. They are used in digital cameras, among other things. Thanks to the ‘intelligence’ present in such a card, it can also be easily connected to a PC, for example for use as a ‘solid-state drive’. The supersimple adapter described here makes it easy to connect all types of CompactFlash cards to a PC.A CompactFlash card is a small memory card, originally developed by Sandisk, with dimensions of approximately 4×4 cm. Since it uses non-volatile memory cells, the contents of the memory are retained for years, even without a separate source of power. Such cards are used particularly often in Digicams. Presently, the memory capacity can be as much as 1 GBytes. IBM, by the way, even supplies mini hard disks in CompactFlash format with capacities of up to 1 GBytes.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor Members can exclusively download these files for free as part of their Membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Resistors:
R1 = 1kOhm
R2 = 10kOhm
Capacitors:
C1,C2 = 100nF
Semiconductors:
D1 = LED, yellow, low current
Miscellaneous:
K1 = 40-way boxheader
K2 = 50-way pinheader, angled pins, 0.05"-grid (Farnell # 3078127)
JP1 = 2-way pinheader with jumper
Extension cable for PC supply
PCB, order code 024032-1
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