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PCI bus arbiter
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NS9750 Hardware Reference
D21 R/W CMS_DATA_LOST 0 Allows software to control the DATA_LOST
bit in the CardBus Socket Present State
register.
When set, indicates that the external card was
removed from the socket while the interface
was active, and data may have been lost.
D20 R/W CMS_NOTA_CARD 0 Allows the software to control the
NOTA_CARD bit in the CardBus Socket
Present State register.
When set, indicates that an unsupported card
is inserted in the socket.
D19 R/W CMS_CB_CARD 0 Allows software to control the CB_CARD bit
in the CardBus Socket Present State register.
When set, indicates that a CardBus card is
inserted in the socket.
D18 R/W CMS_CARD_16 0 Allows software to control the CARD_16 bit
in the CardBus Socket Present State register.
When set, indicates that a 16-bit PC card is
inserted in the socket.
D17 R/W CMS_PWR_CYC 0 Allows software to control the PWR_CYC bit
in the CardBus Socket Present State register.
When set, indicates that the socket is powered
up. When cleared, indicates that the socket is
powered down.
D16 R/W CMS_CCD2 0 Allows software to control the CCD2 bit in
the CardBus Socket Present State register.
Reflects the current state of the CardBus
CCD#2 pin:
0 A card is inserted in the socket.
1 No card is in the socket.
Because CCD2 can be shorted to either CVS2
or CVS1, the value here applies when
CVS[2:1] are both 0.
Bits Access Mnemonic Reset Description
Table 279: CardBus Miscellaneous Support register