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Bitfields for Intel 82443BX Power Management Control Register

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Bit Description

7

enable SDRAM power-down for idle rows

6

enable ACPI control register at PORT 0022h

5

suspend refresh type
0 = self-refresh
1 = CBR mode

4

enable normal refresh (must be set before accessing RAM after a reset)

3

quick-start mode enabled (read-only)

2

enable dynamic clock gating on AGPset "IDLE" condition (all buses in idle state)

1

AGP disabled (read-only)

0

enable CPU reset without PCIRST enable

See Also:

#01142