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Bitfields for AIC-78xx device configuration register (DEVCONFIG)

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Bit Description

15  - 11

reserved

10

(AIC-787x+) multi-port mode (MPORTMODE)

9

(AIC-787x+) external SRAM present? (RAMPSM)

8

"VOLSENSE"

7

SCB RAM select (SCBRAMSEL)

6

"MRDCEN"

5

(AIC-787x+) external SCB SRAM access time (EXTSCBTIME)

4

(AIC-787x+) external SCB SRAM parity enable (EXTSCBPEN)

3

"BERREN"

2

"DACEN"

1

SCSI terminator power level (STPWLEVEL)

0

(AIC-787x+) differential active negation enable (DIFACTNEGEN)

Note:

Clearing bit 7 allows access to the external SCB SRAM.

See Also:

#01241