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MVME3100 Single Board Computer Installation and Use (6806800M28C)
115
3.3V_VIO: 3.3V VIO enabled. This bit set indicates that the PMC bus (PCI bus B) is configured
to 3.3V VIO.
PCI_C_SPD:
PCI bus C speed. Indicates the frequency of PCI bus C.
00: 33 MHz
01: 66 MHz
10: 100 MHz
11: 133 MHz
PCIX_C: PCI-X bus C. A set condition indicates that bus C is operating in
PCI-X mode. A cleared condition indicates PCI mode.
PCI_C_64B: PCI bus C 64-bit. A set condition indicates that bus C is enabled to operate in 64-
bit mode. A cleared condition indicates 32-bit mode.
RSVD: Reserved for future implementation.
Table 6-10 PCI Bus C Status Register
REG PCI Bus C Status Register - 0xE2000006
BIT 76543210
FIELD
RSVD
RSVD
RSVD
RSVD
PCI_C_64B
PCIX_C
PCI_C_SPD
OPERRRRRRRRR
RESETXXX01XXX