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PCMCIA
- Papa, Mama and the Wee Baby
- Pick a Card, Any Card
<Systems : Table
of Contents : Memory>
Papa, Mama and the Wee Baby or PCMCIA
III, II and I or PCMCIA III, II and I
From Catalog 38, page 7
Because the PCMCIA standard is relatively new, some confusion
still exists about the various specifications.
The ideas behind PCMCIA started in several different groups
at about the same time. That they were evolved into one fairly well defined
implementation is a credit to the electronics industry and the critical
consumer.
Today's standard is a well thought out compromise. In addition
to supporting byte and word transfers, it also provides signaling for
both memory devices like static RAM, DRAM, and FLASH as well as I/O devices
like network interface cards, modems and hard disks.
While the same 68-pin connector supports all of these devices,
the size of the opening for the connector varies with the device. Most
memory devices are Type I, meaning the thinnest card available. A Type
II device like a modem or sound card will not fit into a Type I slot,
but a Type I will fit into the taller Type II slot.
In the same fashion, a PCMCIA hard disk, which is usually
a Type III, requires the additional height of a Type III slot. Most of
the sockets today are Type II.
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Pick a Card, Any Card
From Catalog 36, page 4
Grab a modem, a hard drive, a LAN adaptor, and a couple
of meg of nonvolatile RAM. Stick all four in your jacket pocket and take
off!
No problem if the devices listed above conform to the PCMCIA
standard. (Can you imagine doing that with any ONE of those devices a
couple of years ago? The hard drive alone would have pulled your jacket
off your shoulder, and the LAN card would have torn holes in the pocket.)
I can't think of an easier way to add versatility and capability
to the computers I use as I move about. Low power, small size, and the
security of having your important data in your pocket highlight the advantages
of PCMCIA. Add to that the savings that accrue when you move your accessories
instead of buying duplicate cards for each machine you use, and I believe
the advertising that says PCMCIA is the next wave.
P.S. -- The biggest advantage for me is the ability to move
my custom environment from machine to machine.
P.P.S. -- I now load 17 programs into high memory. Don't
ask! Here, you can ask!
17... RETRIEVE, FILECMD, QEMM, DOS-UP, FDDEVICE, FDCD, ANSI,
MSCDEX, FSFILTER, WRKGROUP, PROTMAN, NE2000, SBPRO, RAMDRIVE, DBLSPACE
SMARTDRV, SETVER
Of the 17 programs listed above, the two most important
to me are RETRIEVE and FILECMD. RETRIEVE is a great deal like DOSKEY,
only better because it is easier to use, more powerful, and it behaves
better with other software. FILECMD is a program that migrated from the
mainframe world and provides a wonderful interface for repetitive directory
interaction.
Thanks to the authors, Jack G. and Glenn H.
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