82801BA Datasheet, PDF (493/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Register Bit Index
Interrupt Vector Base Address 9-35
INTR 12-6
INTRD_DET Intruder Detect 9-78
INTRD_SEL 9-80
INTREN 12-7
INUSE_STS 12-6
IO Space Indicator 12-3
IOCHK_NMI_EN 9-51
IOCHK_NMI_STS IOCHK# NMI Source
Status 9-51
IORDY Sample Point (ISP) 10-6
IOS (I/O Space) 13-2
IOSE I/O Space Enable (IOSE) 10-2
IRQ Number 9-42
IRQ Routing 9-8, 9-9
IRQ10 ECL 9-40
IRQ11 ECL 9-40
IRQ12 ECL 9-40
IRQ12LEN Mouse IRQ12 Latch Enable 9-12
IRQ14 ECL 9-40
IRQ15 ECL 9-40
IRQ1LEN Keyboard IRQ1 Latch Enable 9-11
IRQ3 ECL 9-39
IRQ4 ECL 9-39
IRQ5 ECL 9-39
IRQ6 ECL 9-39
IRQ7 ECL 9-39
IRQ9 ECL 9-40
IRQEN Interrupt Routing Enable 9-8, 9-9
IRQF Interrupt Request Flag 9-50
ISA Enable 8-11
K
KBC_ACT_STS 9-72
KBC_LPC_EN 9-17
KBC_TRP_EN 9-73
KILL 12-7
L
L128LOCK Lower 128-byte Lock 9-14
LAN Connect Address 7-16
LAN Connect Register Address 7-16
LAN Connect Software Reset 7-19
Last Valid Buffer Completion Interrupt
(LVBCI) 13-11, 14-10
Last Valid Buffer Interrupt Enable (LVBIE)
13-13, 14-11
Last Valid Index 13-10, 14-9
Latch Count of Selected Counters 9-31
Latch Status of Selected Counters 9-31
LEG_ACT_STS 9-72
LEG_IO_TRP_EN 9-73
LEGACY_USB_EN 9-69
LEGACY_USB_STS 9-71
Line Status 11-14
Link Status Change Indication 7-19
Link Status Indication 7-20
Loop Back Test Mode 11-8
Low Speed Device Attached (LS) 11-14
LPT Decode Range 9-15
LPT_LPC_EN 9-18
M
M Interrupt Mask 7-12
Magic Packet 7-19
MAS (Master-Abort Status) 14-3
Mask 9-45
Master Abort Mode 8-11
Master Clear 9-28
Master Latency Count 8-6
Master/Slave in Buffered Mode 9-36
Master-Abort Status (MAS) 13-3
Max Packet (MAXP) 11-9
Maximum Redirection Entries 9-44
MC_LPC_EN 9-17
MCSMI_EN Microcontroller SMI Enable
9-68
MCSMI_STS Microcontroller SMI# Status
9-70
MD3 13-15, 14-13
MDI Management Data Interrupt 7-11
Memory Address Base 8-9
Memory Address Limit 8-9
Memory Space Enable (MSE) 7-2, 8-3
Mic In Interrupt (MINT) 13-15, 14-13
Microprocessor Mode 9-36
MIDI Decode Range 9-15
MIDI_ACT_STS 9-72
MIDI_LPC_EN 9-18
MIDI_TRP_EN 9-73
82801BA ICH2 and 82801BAM ICH2-M Datasheet
Index-5