82801BA Datasheet, PDF (489/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Register Bit Index
B
Numerics
4 Channel Capability 13-15, 14-13
6 Channel Capability 13-15, 14-13
A
A20Gate Pass-Through Enable
(A20PASSEN) 11-6
AC ‘97 Cold Reset# 13-14
AC ‘97 Interrupt Routing 14-6
AC ’97 Interrupt Routing 13-7
AC‘97 Cold Reset# 14-12
AC’97 Warm Reset 13-14, 14-12
AC97_EN 9-66
AC97_STS 9-65
ACLINK Shut Off 13-14, 14-12
ACPI_EN 9-6
AD3 13-15, 14-13
ADDRESS 12-8
Address Increment/Decrement Select 9-27
ADLIB_ACT_STS 9-72
ADLIB_LPC_EN 9-18
ADLIB_TRP_EN 9-73
AF Alarm Flag 9-50
AFTERG3_EN 9-55
AIE Alarm Interrupt Enable 9-49
ALT_A20_GATE 9-52
ALTACC_EN Alternate Access Mode Enable
9-12
APIC Data 9-42
APIC ID 9-43
APIC Index 9-41
APIC_EN 9-12
APM_STS 9-71
APMC_EN 9-69
AUDIO_ACT_STS 9-72
AUDIO_TRP_EN 9-73
Autoinitialize Enable 9-27
Automatic End of Interrupt (AEOI) 9-36
Auxiliary Current 7-8
B
Base Address 7-5, 9-6, 9-8, 10-4, 11-4, 11-13,
12-3, 13-5, 14-5
Base address of Descriptor table (BADDR)
10-12
Base and Current Address 9-24
Base and Current Count 9-25
Base Class Code 7-4, 8-5, 9-5, 10-4, 11-4,
12-3, 13-4
Base Class Code Value 14-4
Binary/BCD Countdown Select 9-30
BIOS_EN 9-69
BIOS_RLS BIOS Release 9-69
BIOS_STS 9-71
BIOSWE BIOS Write Enable 9-7
BIOSWR_STS 9-77
Bit 1 of slot 12 13-15, 14-13
Bit 2 of slot 12 13-15, 14-13
Bit 3 of slot 12 13-15, 14-13
BLE BIOS Lock Enable 9-7
Block Data Byte 12-9
BOOT_STS 9-78
Buffer Completion Interrupt Status (BCIS)
13-11, 14-10
Buffer Descriptor Base Address 13-9
Buffer Descriptor List Base Address 14-8
Buffered Mode (BUF) 9-36
Bus Master Enable (BME) 7-2, 8-3, 10-2,
11-2, 13-2, 14-2
Bus Master IDE Active (ACT) 10-12
BUS_ERR 12-6
BYTE_DONE_STS 12-6
C
CAP_ID Capability ID 7-8
CAP_LIST Capabilities List 7-3
CAP_PTR Capabilities Pointer 7-6
Cascaded Interrupt Controller IRQ
Connection 9-35
Channel 0 Select 9-11
82801BA ICH2 and 82801BAM ICH2-M Datasheet
Index-1