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Card Services Power Management Enabler (CS_APM.EXE)
CS_APM.EXE is a DOS-based background task that enables Card
Services to process system power management Suspend/Resume re-
quests. When system power management software initiates a Suspend re-
quest, CS_APM notifies Card Services, which then verifies that the PC
card slots are idle and can be powered down. Card Services passes this
information back to CS_APM, which then notifies the power manage-
ment software that the sockets can be powered off.
When CS_APM receives a Resume request, it informs Card Services,
which powers on the sockets again.
Enablers
Some PC cards have custom software written by the card manufacturer,
known as Enablers, instead of Card and Socket Services. This custom
software works well if only one or two PC cards are used on a particular
system.
Although many of these were considered compliant with PCMCIA Re-
lease 2.0 specifications, they did not provide a truly compatible environment
for exchanging and sharing PCMCIA operations. The following are some
guidelines for using PC cards with Enablers.
Do not use more than one Enabler at once unless you know what system re-
sources are used by each Enabler. One Enabler may crash another if there is
a conflict.
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Hot swap may not work with some Enablers.
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An Enabler may only work in Windows Standard Mode.
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Enablers have minimal memory requirements. For example, they require
as little as 4 KB for a modem, 16 KB for Ethernet, and 24 KB for Token
Ring.
Know your system resources (see the CONFIG.SYS file) — command line
arguments cannot use resources being used by other devices.
Using Your NEC Versa 6200MX 4-17
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