chipset.ssp

<BIOS研发技术剖析>书的源代码,包括完整的BIOS汇编语言源程序.

                 Options = "Disable",
                           "Enabled":POWERON:DEFAULT
                 Present = Yes
         EndQuestion

//        //58h
//         Question (Q_RAS_PRECHARGE)    // home
//                 Text = "RAS precharge time"
//                 Options = "2T",
//                           "3T":DEFAULT:POWERON,
//                           "4T",
//                           "5T",
//                 Present = Yes
//         EndQuestion
//
//         Question (Q_RAS_CAS_DELAY)  // home
//                 Text = "RAS to CAS Delay"
//                 Options = "2T",
//                           "3T":DEFAULT:POWERON,
//                           "4T",
//                           "5T",
//                 Present = Yes
//         EndQuestion


        //5dh
        Question (Q_SDRAM_WR_RETIRE)
                Text = "SDRAM Write Retire Rate"
                Options = "X222",
                          "X111":DEFAULT:POWERON
                Present = Yes
        EndQuestion

        Question (Q_CAS_LATENCY)
                Text = "CAS Latency"
                Options = "2T",
                	  "3T":DEFAULT:POWERON
                Present = Yes
        EndQuestion

        //5eh
        Question (Q_SDRAM_ROWHIT)
                Text = "DRAM Optimal RAS"
                Options ="Disabled":DEFAULT:POWERON,
                         "Enabled"
                Present = Yes
        EndQuestion


	//80h
        Question (Q_MAX_BURSTABLE)
                Text = "Address Align for Bursting"
                Options = "256B",
                	  "512B",
                	  "1KB":POWERON:DEFAULT,
                	  "2KB",
                          "4KB",
                          RESERVED,
                          RESERVED,
                          RESERVED
                Present = Yes
        EndQuestion


	//81h
//        Question (Q_SNOOP_PCI_WRITE)
//                Text = "Advanced Snoop for Write"
//                Options = "Disabled":DEFAULT:POWERON,
//                	  "Enabled"
//                Present = Yes
//        EndQuestion

//        Question (Q_SNOOP_PCI_READ)
//                Text = "Advanced Snoop for Read"
//                Options = "Disabled":DEFAULT:POWERON,
//                	  "Enabled"
//                Present = Yes
//        EndQuestion

        Question (Q_DMA_REQ_CNT)
                Text = "DMA request control"
                Options = "After CPU":DEFAULT:POWERON,
                	  "After PCI"
                Present = Yes
        EndQuestion

        Question (Q_TIME_WRITE_L2)
                Text = "Timing of Write L2"
                Options = "2-2-2":DEFAULT:POWERON,
                	  "3-3-3"
                Present = Yes
        EndQuestion



	//82h
        Question (Q_CONCURRENCY_MODE)
                Text = "PCI Peer concurrency"
                Options = "Disabled",
                	  "Enabled":DEFAULT:POWERON
                Present = Yes
        EndQuestion

        Question (Q_TRDY_ASSERT_TIME)
                Text = "Prefetch Buffer Control"
                Options = "2 Qws":DEFAULT:POWERON,
                	  "1 Qws"
                Present = Yes
        EndQuestion

        Question (Q_READ_PREFETCH)
                Text = "Memory Read Command"
                Options = "Enabled":DEFAULT:POWERON,
                	  "Disabled"
                Present = Yes
        EndQuestion

//        Question (Q_INIT_LATENCY_TIME)
//                Text = "Initial Latency Timer"
//                Options = "Disabled":POWERON:DEFAULT,
//                	  "16 Clocks",
//                	  "24 Clocks",
//                	  "32 Clocks"
//                Present = Yes
//        EndQuestion

//        Question (Q_SUB_LATENCY_TIME)
//                Text = "Subsequent Latency Timer"
//                Options = "Disabled":POWERON:DEFAULT,
//                	  "Enabled"
//                Present = Yes
//        EndQuestion

        Question (Q_ADD_DECODE_TIME)
                Text = "Address Decoding Time"
                Options = "1T":DEFAULT:POWERON,
                	  "2T"
                Present = Yes
        EndQuestion

        //83h
        Question (Q_MEM_BURST_CNT)
                Text = "Memory Burst Control"
                Options = "Disabled",
                	  "Enabled":DEFAULT:POWERON
                Present = Yes
        EndQuestion

        Question (Q_MEM_POST_WRITE)
                Text = "Memory Post Write"
                Options = "Disabled",
                	  "Enabled":DEFAULT:POWERON
                Present = Yes
        EndQuestion

//        //84h
//        Question (Q_PCI_GRANT_TIMER)
//                Text = "Grant Timer for PCI33"
//                ExternalFunction = Grant_Timer_PCI
//                OptionBits = 8
//                Default = 060h
//                PowerOn = 0ffh
//                Present         = No
//        EndQuestion
//
//        // 85h
//        Question (Q_PCI_GRANT_TIMER1)
//                Text = "Grant Timer for PCI33_1"
//                ExternalFunction = Grant_Timer_PCI1
//                OptionBits = 8
//                Default = 000h
//                PowerOn = 0ffh
//                Present         = No
//        EndQuestion
//
//        // 86h
//        Question (Q_IDLE_TIMER_PCI)
//                Text = "Idle Timer for PCI"
//                ExternalFunction = Idle_Timer_PCI
//                OptionBits = 8
//                Default = 003h
//                PowerOn = 0ffh
//                Present         = No
//        EndQuestion

//        //87h
//        Question (Q_CPU_ARBITRATION)
//                Text = "CPU Arbitration on PCI"
//                Options = "Disabled",
//                	  "Enabled":DEFAULT:POWERON
//                Present = Yes
//        EndQuestion
//
//        Question (Q_64BIT_RETRY)
//                Text = "64Bit Access Retry"
//                Options = "Continue":DEFAULT:POWERON,
//                	  "Back-off"
//                Present = Yes
//        EndQuestion
//
//        Question (Q_LOCK_CONTROL)
//                Text = "LOCK CONTROL"
//                Options = "Disabled",
//                	  "Enabled":DEFAULT:POWERON
//                Present = Yes
//        EndQuestion


    // PCI to ISA Register 46h

    Question (Q_16BIT_IO_CYCLE)
        Text    = "16Bit I/O Recovery Time"
        Options = "5T",
                  "4T",
                  "3T":DEFAULT:POWERON,
                  "2T"
        Present = Yes
    EndQuestion

    Question (Q_8BIT_IO_CYCLE)
        Text    = "8Bit I/O Recovery Time"
        Options = "8T",
                  "5T":DEFAULT:POWERON,
                  "4T",
                  "3T"
        Present = Yes
    EndQuestion

    // PCI to ISA Register 47h
    Question (Q_16BIT_DMA_CYCLE)
        Text    = "16Bit DMA Cycle Wait State"
        Options = "1T":DEFAULT:POWERON,
                  "2T",
                  "3T",
                  "4 DMACLK"
        Present = Yes
    EndQuestion

    Question (Q_8BIT_DMA_CYCLE)
        Text    = "8Bit DMA Cycle Wait State"
        Options = "1T":DEFAULT:POWERON,
                  "2T",
                  "3T",
                  "4T"
        Present = Yes
    EndQuestion

    // PCI to ISA Register 45h
    Question (Q_ISA_BUS_CLOCK)
        Text    = "ISA Bus Clock"
        Options = "7.159MHz",
                  "PCICLK/4":DEFAULT:POWERON,
                  "PCICLK/3"
        Present = Yes
    EndQuestion

					// (CPU0040+)>
	Question (Q_CYRIX_MII_PERFORMANCE)
      		Text	= "Cyrix M II Performance"
      		Options = "Disabled"
      			  "Enabled":DEFAULT:POWERON
   	EndQuestion
					// <(CPU0040+)

	Question (Q_USB_FUNCTION_ENABLE)
      		Text	= "USB Function"
      		Options = "Disabled"
      			  "Enabled":DEFAULT:POWERON
		Present = Yes
   	EndQuestion

//	Question (Q_USB_LEGACY_ENABLE)
//      		Text	= "USB Keyboard Legacy Support"
//		ShadeWhen (Q_USB_FUNCTION_ENABLE) = "Disabled"
//      		Options = "Disabled":DEFAULT:POWERON 
//      			  "Enabled"
//		Present = Yes
//   	EndQuestion
   	Question (Q_USB_LEGACY_ENABLE)	// (CORE0230)>
      		Text	= "USB KB/Mouse Legacy Support"
		ShadeWhen (Q_USB_FUNCTION_ENABLE) = "Disabled"
      		Options = "Disabled":DEFAULT:POWERON,
      			  "Keyboard",
			  RESERVED,
      			  "Keyb+Mouse"
		Present = Yes
   	EndQuestion			// <(CORE0230)

EndScreen

//;*****************************************************************;
//;*****************************************************************;
//;**								**;
//;**	(C)Copyright 1985-1996, American Megatrends Inc.	**;
//;**								**;
//;**			All Rights Reserved.			**;
//;**								**;
//;**		6145-F, Northbelt Parkway, Norcross,		**;
//;**								**;
//;**		Georgia - 30071, USA. Phone-(770)-246-8600.	**;
//;**								**;
//;*****************************************************************;
//;*****************************************************************;