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82374EB Datasheet(PDF) 110 Page - Intel Corporation |
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82374EB Datasheet(HTML) 110 Page - Intel Corporation |
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110 / 208 page  82374EB82374SB Table 4 ESC IO Register Address Map (Continued) Address (Hex) Address (Bit) Type Name Block FEDC BA98 7654 3210 04FBH 0000 0100 1111 1011 RW Reserved DMA 04FC 0000 0100 1111 1100 RW DMA CH7 Stop Register Bits 72 DMA 04FDh 0000 0100 1111 1101 RW DMA CH7 Stop Register Bits 158 DMA 04FEh 0000 0100 1111 0111 RW DMA CH7 Stop Register Bits 2316 DMA 04FFh 0000 0100 1111 1111 RW Reserved DMA 0C00h 0000 1100 0000 0000 RW Configuration RAM Page Register Conf 0C80h 0000 1100 100 0000 RO System Board ID Byte Lane 1 Bits 70 Board ID 0C81h 0000 1100 100 0001 RO System Board ID Byte Lane 2 Bits 158 Board ID 0C82h 0000 1100 100 0010 RO System Board ID Byte Lane 3 Bits 2316 Board ID 0C83h 0000 1100 1000 0011 RO System Board ID Byte Lane 4 Bits 3124 Board ID NOTES 1 Port 70h resides in the ESC in addition the lower 7 bits of Port 70h reside in Real Time Clock also 2 Bit 3 of ports 372h and 3F2h reside in the ESC while the other bits reside on the ISA bus 43 Configuration Addresses ESC configuration registers are accessed through IO registers 22h and 23h These IO registers are used as index address register (22h) and index data register (23h) The index address register is used to write the configuration register address The data (configuration register address) in register 22h is used to decode a configuration register The selected configuration register can be read or written to by performing a read or a write operation to the index data register at IO address 23h Table 5 Configuration Register Index Address Configuration Abbreviation Register Name Offset 00 – 01h Reserved 02h ESCID ESC ID 03 – 07h Reserved 08h RID Revision ID 09 – 3Fh Reserved 110 |
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