82801DB Datasheet, PDF (578/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

Register Index
Table A-3. Intel^® ICH4 Variable I/O Registers (Sheet 6 of 6)
Register Name
Modem Out Last Valid Register
Modem Out Status Register
Modem In Position In Current
Buffer Register
Modem Out Prefetched Index
Register
Modem Out Control Register
Global Control
Global Status
Codec Access Semaphore
Register
Offset
15h
16h
18h
1Ah
1Bh
3Ch
40h
44h
Datasheet Location
Section 15.2.3, “x_LVI—Last Valid Index Register” on page 15-503
Section 15.2.4, “x_SR—Status Register” on page 15-504
Section 15.2.5, “x_PICB—Position in Current Buffer Register” on
page 15-505
Section 15.2.6, “x_PIV—Prefetch Index Value Register” on page 15-505
Section 15.2.7, “x_CR—Control Register” on page 15-506
Section 15.2.8, “GLOB_CNT—Global Control Register” on page 15-507
Section 15.2.9, “GLOB_STA—Global Status Register” on page 15-508
Section 15.2.10, “CAS—Codec Access Semaphore Register” on
page 15-510
578
Intel^® 82801DB ICH4 Datasheet