FW82801DB S L66K Intel, FW82801DB S L66K Datasheet - Page 510
FW82801DB S L66K
Manufacturer Part Number
FW82801DB S L66K
Description
Manufacturer
Intel
Datasheet
1.FW82801DB_S_L66K.pdf
(587 pages)
Specifications of FW82801DB S L66K
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AC ’97 Modem Controller Registers (D31:F6)
15.2.10
510
CAS—Codec Access Semaphore Register
I/O Address:
Default Value:
Lockable:
Reads across DWord boundaries are not supported.
Bit
7:1
0
Reserved
Codec Access Semaphore (CAS) — R/W-Special. This bit is read by software to check whether a
codec access is currently in progress.
0 = No access in progress.
1 = The act of reading this register sets this bit to 1. The driver that read this bit can then perform
an I/O access. Once the access is completed, hardware automatically clears this bit.
NABMBAR + 44h
00h
No
Description
Attribute:
Size:
Power Well:
Intel
R/W
8 bits
Core
®
82801DB ICH4 Datasheet
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