BOARD ID="ADP7771" NAME="Adaptec AHA-2740/2742/2744 SCSI Host Adapter" MFR="ADAPTEC, Inc." CATEGORY="MSD" SLOT=EISA LENGTH=330 AMPERAGE=1000 SKIRT=NO READID=YES BUSMASTER=50 IOCHECK=VALID DISABLE=SUPPORTED COMMENTS="AHA-2740/2742 Configuration File Ver. 2.12 Release" IOPORT(1)=0zc87h ;Host configuration definition INITVAL = 0000X00X IOPORT(4)=0zc5ch ;Interrupt definition INITVAL = X000XXXX IOPORT(2)=0zc5dh ;Host configuration definition INITVAL = XXXXXX00 IOPORT(3)=0zc5ah ;SCSI configuration SIZE = WORD INITVAL = XXXXXXXXXXXXXXXX IOPORT(5)=0zc5fh ;Host configuration definition INITVAL = 00XXXXXX FUNCTION = "AIC-7770 Chip Reset" SHOW = NO CHOICE = "" LINK INIT = IOPORT(1) LOC(0) 1B FUNCTION = "Host Adapter Interface Definitions" TYPE = "AIC7771" HELP = "These selections specify those configuration settings that correspond to EISA host bus interface." SUBFUNCTION = "Interrupt Level" HELP = "Interrupt Level configures the interrupt channel (IRQ) used by the host adapter. Multiple AHA-2740 Series host adapters installed in your system can share the same IRQ; however, to increase system performance, you may want to select a different IRQ for each host adapter installed. The IRQ cannot be shared with ISA mode SCSI host adapters such as the Adaptec AHA-1540 and AHA- 1520 Series adapters. If those adapters are installed in your EISA system, they must be assigned unique IRQs." CHOICE = "IRQ 11 LEVEL" LINK IRQ = 11 SHARE = YES TRIGGER = LEVEL INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 01011B CHOICE = "IRQ 11 EDGE" LINK IRQ = 11 SHARE = NO TRIGGER = EDGE INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 11011B CHOICE = "IRQ 9 LEVEL" LINK IRQ = 9 SHARE = YES TRIGGER = LEVEL INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 01001B CHOICE = "IRQ 9 EDGE" LINK IRQ = 9 SHARE = NO TRIGGER = EDGE INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 11001B CHOICE = "IRQ 10 LEVEL" LINK IRQ = 10 SHARE = YES TRIGGER = LEVEL INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 01010B CHOICE = "IRQ 10 EDGE" LINK IRQ = 10 SHARE = NO TRIGGER = EDGE INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 11010B CHOICE = "IRQ 12 LEVEL" LINK IRQ = 12 SHARE = YES TRIGGER = LEVEL INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 01100B CHOICE = "IRQ 12 EDGE" LINK IRQ = 12 SHARE = NO TRIGGER = EDGE INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 11100B CHOICE = "IRQ 14 LEVEL" LINK IRQ = 14 SHARE = YES TRIGGER = LEVEL INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 01110B CHOICE = "IRQ 14 EDGE" LINK IRQ = 14 SHARE = NO TRIGGER = EDGE INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 11110B CHOICE = "IRQ 15 LEVEL" LINK IRQ = 15 SHARE = YES TRIGGER = LEVEL INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 01111B CHOICE = "IRQ 15 EDGE" LINK IRQ = 15 SHARE = NO TRIGGER = EDGE INIT=IOPORT(1) LOC(3 0) 11B INIT=IOPORT(4) LOC(7 3 2 1 0) 11111B SUBFUNCTION = "Bus Release Time" HELP = "Bus Release Time configures the amount of time, in BCLKS (Bus Clocks), the host adapter will continue to transfer data after being pre-empted in bus master mode. Normally 60 BCLKS is sufficient; however, if multiple bus master cards are installed in the system, you may want to lower the value to free the EISA bus sooner." CHOICE = "44 BCLKS" LINK INIT=IOPORT(2) LOC(5 4 3 2) 1011B CHOICE = "60 BCLKS" LINK INIT=IOPORT(2) LOC(5 4 3 2) 1111B CHOICE = "28 BCLKS" LINK INIT=IOPORT(2) LOC(5 4 3 2) 0111B CHOICE = "12 BCLKS" LINK INIT=IOPORT(2) LOC(5 4 3 2) 0011B CHOICE = "2 BCLKS" LINK INIT=IOPORT(2) LOC(5 4 3 2) 0000B SUBFUNCTION = "Data FIFO Threshold" HELP = "Data FIFO Threshold configures the percentage used by the host adapter to match SCSI and host system data transfer rates. Normally a Data FIFO Threshold of 100% is sufficient." CHOICE = "100%" LINK INIT=IOPORT(2) LOC(7 6) 11B CHOICE = "75%" LINK INIT=IOPORT(2) LOC(7 6) 10B CHOICE = "50%" LINK INIT=IOPORT(2) LOC(7 6) 01B CHOICE = "0%" LINK INIT=IOPORT(2) LOC(7 6) 00B SUBFUNCTION = "Host Adapter BIOS Base Address" HELP = "Host Adapter BIOS Base Address configures the BIOS base address for the host adapter; if you wish to disable the host adapter BIOS, you can do so from this option. When choosing the base address, verify that there is no conflict with other devices using the same address. Note: The BIOS must be enabled in order to boot from a SCSI fixed disk drive attached to the host adapter." CHOICE="D8000H" COMBINE MEMORY=16K ADDRESS=0D8000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 011B INIT=IOPORT(5) LOC(5 4) 00B CHOICE="CC000H" COMBINE MEMORY=16K ADDRESS=0CC000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 000B INIT=IOPORT(5) LOC(5 4) 00B CHOICE="D0000H" COMBINE MEMORY=16K ADDRESS=0D0000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 001B INIT=IOPORT(5) LOC(5 4) 00B CHOICE="D4000H" COMBINE MEMORY=16K ADDRESS=0D4000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 010B INIT=IOPORT(5) LOC(5 4) 00B CHOICE="DC000H" COMBINE MEMORY=16K ADDRESS=0DC000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 100B INIT=IOPORT(5) LOC(5 4) 00B CHOICE="E0000H" COMBINE MEMORY=16K ADDRESS=0E0000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 101B INIT=IOPORT(5) LOC(5 4) 00B CHOICE="E4000H" COMBINE MEMORY=16K ADDRESS=0E4000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 110B INIT=IOPORT(5) LOC(5 4) 00B CHOICE="E8000H" COMBINE MEMORY=16K ADDRESS=0E8000H WRITABLE=YES MEMTYPE = OTH SHARE=NO SIZE=BYTE CACHE=YES DECODE=32 INIT=IOPORT(5) LOC(2 1 0) 111B INIT=IOPORT(5) LOC(5 4) 00B CHOICE = "BIOS disabled" FREE INIT=IOPORT(5) LOC(2 1 0) 000B INIT=IOPORT(5) LOC(5 4) 11B FUNCTION = "SCSI Channel A Configuration" HELP = "These selections specify those configuration settings that correspond to SCSI channel A interface." SUBFUNCTION = "SCSI Channel Interface" CHOICE="Single Channel, Single-Ended SCSI" SUBFUNCTION = "Host Adapter SCSI ID" HELP = "Host Adapter SCSI ID configures the SCSI ID setting for the host adapter. Each installed SCSI device must have a unique SCSI ID (0-7). SCSI ID 7 is normally assigned to the host adapter; SCSI IDs 0 and 1 are normally reserved for SCSI hard disk drives. If two host adapters are installed, each would have its own SCSI bus, thus each host adapter can be set to SCSI ID 7." CHOICE="7" LINK INIT=IOPORT(3) LOC(2 1 0) 111B CHOICE="6" LINK INIT=IOPORT(3) LOC(2 1 0) 110B CHOICE="5" LINK INIT=IOPORT(3) LOC(2 1 0) 101B CHOICE="4" LINK INIT=IOPORT(3) LOC(2 1 0) 100B CHOICE="3" LINK INIT=IOPORT(3) LOC(2 1 0) 011B CHOICE="2" LINK INIT=IOPORT(3) LOC(2 1 0) 010B CHOICE="1" LINK INIT=IOPORT(3) LOC(2 1 0) 001B CHOICE="0" LINK INIT=IOPORT(3) LOC(2 1 0) 000B SUBFUNCTION = "SCSI Bus Parity Check" HELP = "SCSI Bus Parity Check enables or disables SCSI bus parity checking on the host adapter. The host adapter always generates parity when writing to the SCSI bus. If any attached SCSI device does not support SCSI parity checking, then SCSI Bus Parity Check should be disabled. Most devices today, however, do support SCSI parity checking." CHOICE="Enabled" LINK INIT=IOPORT(3) LOC(5) 1B CHOICE="Disabled" LINK INIT=IOPORT(3) LOC(5) 0B SUBFUNCTION = "SCSI Selection Timeout" HELP = "SCSI Selection Timeout configures the time, in milliseconds, used by the host adapter during the SCSI selection phase. Lowering the SCSI Selection Timeout will speed up SCSI bus scans considerably; however, before lowering this value, make sure that all the devices on the SCSI bus can handle the faster speeds." CHOICE="256 milliseconds" LINK INIT=IOPORT(3) LOC(4 3) 00B CHOICE="128 milliseconds" LINK INIT=IOPORT(3) LOC(4 3) 01B CHOICE="64 milliseconds" LINK INIT=IOPORT(3) LOC(4 3) 10B CHOICE="32 milliseconds" LINK INIT=IOPORT(3) LOC(4 3) 11B SUBFUNCTION = "SCSI Bus Reset at Power-on" HELP = "SCSI Bus Reset at Power-on enables or disables a SCSI bus reset generated by the host adapter during its power-on initialization, and after a Hard Reset. Normally, SCSI Bus Reset at Power-on should always be enabled." CHOICE="Enabled" LINK INIT=IOPORT(3) LOC(6) 1B CHOICE="Disabled" LINK INIT=IOPORT(3) LOC(6) 0B SUBFUNCTION = "SCSI Bus Termination" HELP = "SCSI Bus Termination enables or disables SCSI termination on the host adapter. Host adapter termination should be disabled only if you attach SCSI devices to both internal and external connectors, since the host adapter would then be in the middle of the SCSI bus." CHOICE="Enabled" LINK INIT=IOPORT(3) LOC(15 7) 11B CHOICE="Disabled" LINK INIT=IOPORT(3) LOC(15 7) 10B FUNCTION = "BIOS and Device configuration" HELP = "These selections allow you to specify configuration options for BIOS and individual SCSI devices." TYPE = "" CHOICE="Press to configure" FUNCTION = "Utilities" HELP = "This selection accesses the SCSI low level formatting utilities." TYPE = "" CHOICE = "Press to access"