82801DB Datasheet, PDF (580/587 Pages) Intel Corporation – Intel 82801DB I/O Controller Hub 4 (ICH4)

Register Bit Index
Channel 7 Select 301
Channel Mask Bits 320
Channel Mask Select 318
Channel Request Status 318
Channel Terminal Count Status 318
Clear Byte Pointer 319
Clear Mask Register 320
CNA Mask 264
CNF1_LPC_EN 308
CNF2_LPC_EN 308
Codec Access Semaphore 490, 510
COMA Decode Range 305
COMA_LPC_EN 309
COMB Decode Range 305
COMB_LPC_EN 309
Command Unit (CU) Executed 262
Command Unit Command 265
Command Unit Status 263
Configure Flag 408
Connect Status Change 416, 446
COPROC_ERR 343
Coprocessor Error Enable 302
Count Register Status 323
Countdown Type Status 323
Counter 0 Select 322
Counter 1 Select 322
Counter 2 Select 322
Counter Latch Command 322
Counter Mode Selection 321
Counter OUT Pin State 323
Counter Port 323
Counter Select 321
Counter Selection 322
CPU BIST Enable 304
CPU Break Event Indication Enable 302
CPU Frequency Strap 304
CPU PLL Lock Time 347
CPU Power Failure 347
CPU SLP# Enable 346
CPU Thermal Trip Status 347
CRC Error 461
CU Not Active 262
Current Connect Status 416, 446
Current Equals Last Valid 484, 504
Current Index Value 483, 503
CX Mask 264
D
D1 Support 260, 424
D2 Support 260, 424
D29_F0_Disable 313
D29_F1_Disable 313
Intel^® 82801DB ICH4 Datasheet
D29_F2_Disable 313
D29_F7_Disable 313
D31_F1_Disable 314
D31_F3_Disable 314
D31_F5_Disable 313
D31_F6_Disable 313
Data 268
Data Message Byte 0 461
Data Message Byte 1 461
Data Mode 340
Data Parity Error Detected 254, 385, 401, 452,
470, 495
Data Scale 260, 425
Data Select 260, 425
DATA_BUFFER 449
DATA_HIGH_BYTE 465
DATA_LEN_CNT 448
DATA_LOW_BYTE 465
DATA0/COUNT 459
DATA1 460
Date Alarm 341
Daylight Savings Enable 340
Debug Port Number 433
Debug Port Offset 426
Deep Power-Down on Link Down Enable 272
Delayed Transaction Enable 303
Delivery Mode 336
Delivery Status 336
Delivery Type 334
Destination 335
Destination Mode 336
Detected Parity Error 254, 385, 420, 452, 470,
495
DEV_ERR 457
DEV_TRAP_EN 367
DEV_TRAP_STS 367
Device Connects 203
Device Identification Value 252, 276, 384, 400,
418, 451, 468, 494
Device Monitor Status 366
Device Specific Initialization 260, 477
DEVICE_ADDRESS 464
DEVSEL# Timing Status 254, 385, 401, 420,
452, 470, 495
Diagnose Result 267
Division Chain Select 339
DMA Channel Group Enable 317
DMA Channel Select 318, 319
DMA Collection Buffer Enable 303
DMA Controller Halted 484, 504
DMA Group Arbitration Priority 317
580