AdapterID 00041h AdapterName "3Com EtherLink/MC 32 Ethernet Adapter" NumBytes 6 NamedItem Prompt "Enable/Disable Adapter" choice "Adapter Enabled" pos[0]=XXXXXXX1b choice "Adapter Disabled" pos[0]=XXXXXXX0b Help "The normal setting is Adapter Enabled. Use the disabled setting if you are not using the adapter in your system." ; *** Note: Bus master should use the NoDMA parameter which ; is only supported in the Begin NoDMA ; ************ I/O Base Address ********** NamedItem Prompt "I/O Base Address" choice "728x" pos[0]=XXXX000Xb io 7280h-728fh choice "729x" pos[0]=XXXX001Xb io 7290h-729fh choice "768x" pos[0]=XXXX010Xb io 7680h-768fh choice "769x" pos[0]=XXXX011Xb io 7690h-769fh choice "7A8x" pos[0]=XXXX100Xb io 7a80h-7a8fh choice "7A9x" pos[0]=XXXX101Xb io 7a90h-7a9fh choice "7E8x" pos[0]=XXXX110Xb io 7e80h-7e8fh choice "7E9x" pos[0]=XXXX111Xb io 7e90h-7e9fh Help "Anyone of eight choices may be selected. Conflicting assignments are marked with an asterisk and must be changed. The EtherLink/MC 32 occupies 16 bytes in the I/O Address space." ; *** Memory Base Addresses and Ranges *** NamedItem Prompt "Shared Memory Ranges" choice "RANGE:D8000-DBFFF, 16K" pos[3]=xx00xxxxb pos[0]=x110xxxxb pos[2]=xxxxxxx1b MEM 00D8000h - 00DBFFFh choice "RANGE:DC000-DFFFF, 16K" pos[3]=xx00xxxxb pos[0]=x111xxxxb pos[2]=xxxxxxx1b MEM 00DC000h - 00DFFFFh choice "RANGE:C0000-C3FFF, 16K" pos[3]=xx00xxxxb pos[0]=x000xxxxb pos[2]=xxxxxxx1b MEM 00C0000h - 00C3FFFh choice "RANGE:C4000-C7FFF, 16K" pos[3]=xx00xxxxb pos[0]=x001xxxxb pos[2]=xxxxxxx1b MEM 00C4000h - 00C7FFFh choice "RANGE:C8000-CBFFF, 16K" pos[3]=xx00xxxxb pos[0]=x010xxxxb pos[2]=xxxxxxx1b MEM 00C8000h - 00CBFFFh choice "RANGE:CC000-CFFFF, 16K" pos[3]=xx00xxxxb pos[0]=x011xxxxb pos[2]=xxxxxxx1b MEM 00CC000h - 00CFFFFh choice "RANGE:D0000-D3FFF, 16K" pos[3]=xx00xxxxb pos[0]=x100xxxxb pos[2]=xxxxxxx1b MEM 00D0000h - 00D3FFFh choice "RANGE:D4000-D7FFF, 16K" pos[3]=xx00xxxxb pos[0]=x101xxxxb pos[2]=xxxxxxx1b MEM 00D4000h - 00D7FFFh Help "EtherLink/MC 32 requires a 16K memory window and it may be located at any of eight possible address ranges. Conflicts with other adapters in the system will be denoted by an asterisk and must be changed." ; *** Interrrupt Level *** NamedItem Prompt "Interrupt Level" choice "Level 10" pos[3]=xxxx01xxb int 10 choice "Level 11" pos[3]=xxxx10xxb int 11 choice "Level 9" pos[3]=xxxx00xxb int 9 choice "Level 12" pos[3]=xxxx11xxb int 12 Help "This determines the interrupt level of the EtherLink/MC 32. The interrupts can be shared with another device, however the software drivers for both devices must support interrupt sharing. You may be able to improve performance by selecting a level that is not used by another device." ; *** Arbitration Level *** NamedItem Prompt "Arbitration Level" choice "Level 10" pos[1]=xxxx1010b arb 10 choice "Level 11" pos[1]=xxxx1011b arb 11 choice "Level 12" pos[1]=xxxx1100b arb 12 choice "Level 13" pos[1]=xxxx1101b arb 13 choice "Level 14" pos[1]=xxxx1110b arb 14 choice "Level 8" pos[1]=xxxx1000b arb 8 choice "Level 9" pos[1]=xxxx1001b arb 9 Help "Conflicting assignments are marked with an asterisk and must be changed. An arbitration level eight has the highest priority, and increasing levels have decreased priority." ; *** Fairness Enable *** NamedItem Prompt "Fairness Enable" choice "Enabled " pos[1]=xxx1xxxxb choice "Disabled" pos[1]=xxx0xxxxb Help "Fairness is provides equal access is to the host bus for competing bus masters and in most instances should be enabled. In a system where it is desired that a higher priority device have increased bus utilization, fairness may be disabled." ; *** Address Burst Management **** NamedItem Prompt "Address Burst Management" choice "Disabled" pos[3]=xxxxxx00b choice "16-byte boundary" pos[3]=xxxxxx01b choice "32-byte boundary" pos[3]=xxxxxx10b choice "64-byte boundary" pos[3]=xxxxxx11b Help "The Address Burst Management feature enables the Etherlink/MC 32 to relinquish control of the Micro Channel Bus at specific address boundary crossings. As an example, if the 16-byte boundary Address Burst Management is selected, the Bus Master relinquishes bus control as the address increments from xx0Fh to xx10h. In some system configurations, the Address Burst Management feature may provide improved performance, but generally it should be disabled." ; *** Transceiver Type *** NamedItem Prompt "Transceiver Type" choice "On-board Transceiver (BNC)" pos[2]=xxxxxx1xb choice "External Transceiver (AUI)" pos[2]=xxxxxx0xb Help "The active connector is determined by the selection of the Transceiver Type. Check the cabling system in your area to determine which connector should be used. If you have a thin ethernet network and wish to connect using a T-connector, select On-board. If you have the thick drop cable from an external transceiver and wish to attach to the 15-pin AUI cable, select External." end ; end of device