Adaptec 1737100 Programmer Manual - Page 71

AIC-6915 Internal Registers Summary Table 6-4. AIC-6915 Additional Ethernet Registers Summary (Continued) Byte Offset (Hex) Register Name Comments 500C NonBkToBkIPG 5010 ColRetry 5014 MaxLength 5018 TxNibbleCnt 501C TxByteCnt 5020 ReTxCnt 5024 RandomNumGen 5028 MskRandomNum 502C-5033 Reserved 5034 TotalTxCnt 5040 RxByteCnt 5060 TxPauseTimer Writing to this register will cause a flow-control frame to be transmitted with the programmed pause time value. 5064 VLANType 5070 MiiStatus 5074-5FFF Reserved Address Filtering, starts @offset byte address 0x56000 in memory space 6000-60FF Perfect address memory The AIC-6915 compares the destination address against these addresses 6100-617F Hash bitmap The AIC-6915 uses a hash of the destination addresses to index this bitmap Statistic, starts @offset byte address 0x57000 in memory space 7000-7FFF Ethernet Statistic TX Frame Processor, starts @offset byte address 0x58000 in memory space 8000-9FFF TxGfpMem Used for loading the program for the transmit GFP. RX Frame Processor, starts @offset byte address 0x5A000 in memory space A000- RxGfpMem BFFF Used for loading the program for the receive GFP. Fifo Port, starts @offset byte address 0x60000 in memory space C000- EthernetFifo DFFF Used for accessing the internal FIFO. Used for diagnostic and testing only. Ì 6-5