ZFx86 Phoenix BIOS User`s Manual Supplement
Contents
1. REE Skip the memory test to Set a faster POST PS 2 Mouse Auto Detect Enable the test to get gt ISA Henory Chip Select Setup a safer system gt ISA 140 Chip Select Setup Onboard RFD Disabled Boot through RFD o Initialize RFD Enter Figure 3 Advanced Chipset Control Table 2 Advanced Chipset Control Feature Options Description Skip memory test No Skip the memory test to get a faster POST Enable the test to create a Yes more stable system PS 2 Mouse Disabled Disabled Prevents any installed PS 2 mouse from functioning but Enabled frees up IRQ12 Auto Detect Enabled Forces the PS 2 mouse port to be enabled regardless if a mouse is present Auto Detect Only enables the PS 2 mouse if present Default setting is Auto Detect OS Controlled Option displays only if the OS controls the mouse ISA Memory Chip See ISA Memory Chip Select Setup on page 10 Select Setup ISA I O Chip Select See ISA I O Chip Select Setup on page 11 Setup Onboard RFD Disabled Selects whether the onboard flash disk is enabled Default setting is To mem_cs1 To mem_cs3 To mem_cs2 To mem_cs3 Boot Through RFD No Select Yes to boot from the RFD as floppy A Default setting is No Yes 2001 ZF Micro Devices Incorporated 9 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 4 3 1 ISA Memory Chip Select Setup The Memory Chip Selects p2. 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 2 1 3 1 ZFx86 BIOS Set Contents The zfx10600 ZIP compressed file contains the components of the ZFx86 BIOS Set software release version 1 06 part number 9270 0012 01060 The ZFx86 BIOS Set contains the items in the following list e PhoenixBIOS 4 0 revision 6 User s Manual e ZFx86 BIOS User s Manual Supplement P N 9100 0066 02 s Routing ZFx86 Interrupts Application Note P N 9150 0015 00B s readme txt release notes text file s readme pdf release notes in PDF format e zfx10600 rom Binary image file with ZF Micro Devices Inc splash screen P N 9272 0100 010600 e zfx10600 ron Binary image file with no splash screen P N 9272 0101 010600 e zfx10600rom bin Z tag Manager binary image file with splash screen P N 9272 0103 010600 s testlogo bmp generic 640x480x256 color splash screen bit map graphic P N 9272 0112 00 s amdflash exe utility P N 9272 0106 01 e zeb exe ZF Edit BIOS utility P N 9272 0111 000600 Installation The ZFx86 BIOS binary image files are 256 Kbytes in length Any of these files may be placed in an ROM EPROM or Flash Device that is chip selectable by the processor s reset vector OFFFFFFFOh and chip select 0 Although the image is 256 Kbytes in this space during initialization certain blocks are decompressed and or discarded The result is that a 128 Kbyte image loads into the
3. Table 11 Memory Mapper Pins ISA Memory Mapper Pin Name Description Translated ISA B04 Mem_csO ZF Logic Memory Mapper CS 0 Address DO5 Address MUX Thus if you set base to DOOOO and size to 64K and those addresses were available whenever you execute a memory read or a memory write in the range of D0000 to DFFFF you also generate a memory chip select Which chip select would you get Well there are four register sets one for each of the four mem_cs signals Mem_cs1 ZF Logic Memory Mapper CS 1 A03 Mem_cs2 ZF Logic Memory Mapper CS 2 ISA Address ISA Address ISA Address C04 Mem_cs3 ZF Logic Memory Mapper CS 3 Figure 28 ISA Memory Map Pins The address which comes out on the ISA bus is translated by the memory window hardware In general the question is this how do move the target window through my flash chip so that using the fixed window have set up in the ZFx86 address space can reference all of the data in the flash chip up to 16 MB This answer is embodied in a formula for setting the value of the PAGE register PAGE 1000000 BASE FLASHA If BASE 0D0000 then set PAGE to F30000 so that D000 0 goes to address 0 in the Flash That is 1000000 D0000 O For D0000 to go to D0000 in the flash set PAGE to 0 That is 1000000 D0000 D0000 only specify 6 digits 7 1 2 Using the BIOS to Set Initial Memory W
4. 36 OBh CPU CACHE ON Enable CPU cache 37 D1h BIOS STACK INIT BIOS stack initalization 38 OFh FDISK INIT Initialize the local bus IDE 2001 ZF Micro Devices Incorporated 37 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement Table 14 Boot Sequence POST Code Continued Event POST Code Function Name Beeps Description 39 10h PM INIT Initialize Power Management 40 14h 8742 INIT Initialize keyboard controller 41 1Ah DMA INIT 8237 DMA controller initialization 42 1Ch RESET PIC Reset Programmable Interrupt Controller 43 22h 8742 TEST 1 3 1 3 Test 8742 Keyboard Controller 44 C8h FORCE Force check 45 32h COMPUTE SPEED Test CPU bus clock frequency 46 67h MP INIT MIN Initialize Multi Processor APIC 47 69h PM SETUP SMM Setup System Management Mode SMM area 48 6Bh CUST DFLT Load custom defaults 49 3Ch ADV CS CONFIG Advanced configuration of chipset registers 50 3Dh ADV REG CONFIG Load alternate registers with CMOS values 51 42h VECTOR INIT Initialize interrupt vectors 52 46h COPYRIGHT 2 1 2 3 Check ROM copyright notice 53 45h DEVICE INIT POST device initialization 54 47h 120 INIT Initialize 120 support 55 49h PCI INIT Initialize PCI bus and devices 56 C6h DOCK INIT Initialize note dock 57 C5h DUAL CMOS PnPnd dual CMOS 58 48h CONFIG Check video configuration against CMOS 59 4Ah VIDEO Initia
5. IR IR IR Figure 9 PCI PNP ISA IRQ Resource Exclusion Table 8 PCI PNP ISA IRQ Resource Exclusion Feature Options Description IRQ 3 Available Reserves the specified IRQ for use by legacy ISA devices Default IRQ 4 Reserved setting is Available IRQ 5 IRQ 7 IRQ 9 IRQ 10 IRQ 11 P N 9100 0066 03 Rev A 16 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 4 3 7 PCI PNP ISA DMA Resource Exclusion Figure 10 shows the PCI PNP ISA DMA Resource Exclusion submenu selections Reserves the specified DMA channel for use bu non Plug and Play ISA devices D D D D D D Ka aa ge DDDDDD ADN ee KR KR KR KR Figure 10 PCI PNP ISA DMA Resource Table 9 PCI PNP ISA DMA Resources Exclusion Feature Options Description DMA 0 Available Reserves the specified DMA channel for use by DMA 1 Reserved non Plug and Play ISA devices Default setting is Available DMA 2 DMA 3 DMA 4 DMA 5 DMA 6 DMA 7 2001 ZF Micro Devices Incorporated 17 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 4 3 8 Console Redirection UCR Universal Console Redirect feature supports those embedded systems which do not use a keyboard or video monitor The BIOS Binary Image file may be configured for this feature using the ZEB utility See Using the ZEB Editor with the IDS on page 20 A null modem cable connection is req
6. and if successful the BIOS transfers the boot attempt to code beginning at byte 3 of the special header When the transfer is executed a signature parameter value of MORX is passed in register EDX allowing the user to authenticate the call Thus user supplied external code may be installed in flash and can continue the boot function using its own algorithms Details are available from ZF Micro Devices Ask support for the Booting User Software From Flash Chips Software Note P N 9100 0067 00 and Loading Linux form Flash P N 9150 0017 00 or download these documents from the ZF Micro Devices website http www zfmicro com O 2001 ZF Micro Devices Incorporated 19 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 6 Using the ZF Edit BIOS ZEB Utility The ZF Edit BIOS utility ZEB EXE allows you to establish custom default BIOS settings The editor is ideal for those ZFx86 embedded systems with no battery backed CMOS storage and allows additional debug flexibility when you bring up new designs ZEB runs in either DOS or Windows Remember to disable your CMOS battery if your system contains one and to completely re power the system each time you experiment with BIOS changes The power reset guarantees that the BIOS reboot launches with the new defaults you selected This utility supports creating a debug version of the BIOS that outputs POST Codes on the serial port See the ZEB Debug menu item 6 1 Using th
7. See Figure 26 Output Fienamo Mo Figure 26 Output Filename Menu 7 Press the Enter key The ZEB utility exits and returns you to the DOS prompt 7 Technical Tips This section discusses items and techniques particular to the effective use of the ZFx86 BIOS 7 1 Understanding Memory Windows Memory windows are a feature of the ZF Logic Memory windows provide chip select and addressing for SRAM and Flash Chips external to the ZFx86 chip Memory windows benefit the user two ways s Allows interconnect to Flash and SRAM chips without extra glue logic e Allows addressing of up to 64 MB of external Flash SRAM 4 chip selects times 16 MB per chip select through an aperture in the ISA address space called a memory win dow P N 9100 0066 03 Rev A 26 O 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 7 1 1 Memory Window Basics XT computers contained a paged memory scheme that allows the XT to access memory above 1 MB A small aperture window below 1 MB was used to address perhaps 1 to 8 MB of additional RAM through page switching The memory windows on the ZFx86 work in a similar manner From a DOS prompt run the program AMDFLASH on the ZFx86 and specify option P in the Main Menu screen You see a printout similar to the following Phoenix ZFx86 BIOS Memory Window Setup Calculator Window OK at C8000 CBFFFH Window OK at CCOOO CFFFFH Window OK at DO000 D3FFFH Window OK at D4000 D7FFFH Wi
8. User conf igurat ior CAutad BIDS or DS chooses conf igurat ion LDS Control led eto tie when controlled by O85 o 1 l ECP E F B Table 5 I O Device Configuration Setup Feature Options Description Serial Port A Disabled Configure Serial Port A using the following options Enabled Disabled No configuration Auto Enabled User Configuration OS Controlled Auto BIOS or OS chooses configuration OS Controlled Displays when port controlled by OS Default setting Base I O address 3F8 Set the base I O address for Serial Port A Default setting is 3F8 2F8 3E8 2E8 Interrupt IRQ 3 Set the interrupt for serial port A Default setting is IRQ 4 IRQ 4 Serial Port B Disabled Configure serial port B using the following options Enabled Disabled No configuration Auto Enabled User Configuration OS Controlled Auto BIOS or OS chooses configuration OS Controlled Displayed when controlled by OS Default setting Base I O address 3F8 Set the base I O address for Serial Port B Default setting is 2F8 2F8 3E8 2E8 Interrupt IRQ 3 Set the interrupt for Serial Port B Default setting is IRQ 3 IRQ 4 Infrared Port Disabled Configure Infrared port using the following options Enabled Disabled No configuration Auto Enabled User Configuration OS Controlled Auto BIOS or OS chooses configuration OS Controlled Displays when controlled by OS Default setting Mo
9. all the other pdf files On the ZFx86 Integrated Development System CD all the PDF documents are in the subdirectory named Documents See the PhoenixBIOS 4 0 Rev6 User Manual PDF 2 Features The BIOS version 1 06 supports a load feature for custom PCI video BIOS binaries Using the ZEB utility s main menu you may combine the ZFx86 BIOS with your own PCI video BIOS See Loading A PCI Video BIOS on page 25 The BIOS shadows the PCI video BIOS and treats it as if it were a standard PCI Extension ROM and initializes the matching embedded PCI Video chip NOTE Insure that your PCI Video BIOS uses a valid license In addition to the standard features documented in the PhoenixBIOS User s Manual the ZFx86 BIOS includes these extended features important for embedded applications e ZFlash OS Loader Hook enables operating systems such as Linux and VxWorks to boot from the same flash chip that contains the BIOS e ZFlash legacy ISA extension processor allows user extension ROMs to be placed in the same flash device as BIOS e Configuration settings that manage ZFx86 ZF Logic Memory and I O Chip Selects for Disk On Chip flash based extensions and custom I O hardware s Advanced Power Management 1 2 Functions s Universal Serial BUS Host Controller and Legacy Configuration Settings e Infrared support s Watchdog Timer Function s Remote Management from PC Host s Resident Flash Disk Function P N 9100 0066 03 Rev A 4
10. delay_value 0 int wait_value 0 int start_secs 0 int stop_secs 0 time_t t1 t2 setbuf stdout NULL 2001 ZF Micro Devices Incorporated 31 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 30 if argc 2 J only two args allowed 31 printf nError n 32 printf Format WDTON lt secs gt i e WDTON 10 exit EXIT_FAILURE 34 delay_value abs atoi argv 1 35 Wait Value delay_value 2 36 system cls 37 _strtime tbuffer 38 printf nWatch Dog Timer Tickle Test n 39 printf nSystem will REBOOT in 2 2d seconds delay value 40 printf nStart Time s n _strtime tbuffer 42 start_secs atoi amp tbuffer 6 43 start_secs time amp t1 44 printf Startsecs d n start_secs 45 stop_secs atoi amp tbuffer 6 46 printf Start Secs d n start_secs 48 time amp t1 50 while difftime t2 t1 delay_value 1 52 printf Tickling WDT s r _strtime tbuffer 53 time amp t2 55 printf WDT FAILED s n _strtime tbuffer 56 printf n 57 while difftime t2 t1 lt delay_value 7 59 printf Waiting 5 more seconds s r _strtime tbuffer 60 time 8t2 61 62 outregs x ax 0xc301 63 outregs x bx delay_value 64 int86 0x15 amp inregs amp outregs 65 printf nINT 15 function C3 01 failed CF d n outregs x cflag 66 P N 9100 0066 03 Rev A 32 2001 ZF Micro De
11. device Default setting is No PCI IRQ line 1 Disabled PCI devices use hardware interrupts called IRQ s A PCI device PCI IRQ line 2 Auto Select cannot use IRQ s already in use by ISA Enable PCI IRQ line 3 3 PCI IRQ line 4 4 5 7 9 10 11 12 14 15 P N 9100 0066 03 Rev A 14 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 4 3 5 PCI PNP ISA UMB Region Exclusion Figure 8 shows the PCI PNP ISA UMB Region Exclusion submenu selections This menu may display with different values depending on your configuration Reserves the specified ock of upper menory for use by legacy IS devices SH gt fo gt 1 El El TOIT nanan ST Figure 8 PCI PNP ISA UMB Region Exclusion Table 7 PCI PNP ISA UMB Region Exclusion Feature Options Description C800 CBFF Available Reserves the specified block of upper memory for use by CCOO CFFF Reserved legacy ISA devices Default setting is Available D000 D3FF D400 D7FF D800 DBFF DCO0O DFFF 2001 ZF Micro Devices Incorporated 15 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 4 3 6 PCI PNP ISA IRQ Resource Exclusion Figure 9 shows the PCI PNP ISA IRQ Resource Exclusion submenu selections This menu may display with different values depending on your configuration Reserves the specified IRQ for use by legacy ISA devices alaa aa ONT ee ss eee IR IR IR
12. flash using BASE ODOH SIZE 007H and PAGE F32H 1 unsigned long ulBase ulSize ulTarget ulPage ulDesiredK 2 printf r n n nPhoenix ZFx86 BIOS Memory Window Setup Calculator inn uiWorkingCS 3 4 printf r nHelper Enter Window Size between 8 and 16384K 5 ulDesiredK uiScanInDecimal 0 6 7 if ulDesiredK gt 8 amp amp ulDesiredK lt 16384 8 printf rin Recommended Value for Size 06IXH r n ulDesiredK 4 1024 9 10 printf r nEnter Desired Window Base in Hex example DC000 11 ulBase ulScanInHex 12 printf r nEnter Desired Window Size in Hex example 1000 8K FFFO00 16 MB 13 ulSize ulScanInHex 14 printf r nEnter Flash Target Address in Hex example 2000 8k 15 ulTarget ulScanInHex 16 ulBase ulBase amp OxFFFOOO 17 ulSize ulSize amp OxFFFOOO 18 ulTarget ulTarget amp OxFFFOOO 19 printf r nBase 08IXH or 03IXH or 04ld decimal ulBase ulBase gt gt 12 ulBase gt gt 12 20 if ulSize 0 printf r nWindow Disabled Size 0 21 else 22 printf r nSize 08IXH or O3IXH or 04ld decimal for Size dK ulSize ulSize gt gt 12 ulSize gt gt 12 ulSize gt gt 12 1 4 23 ulPage 0x1000000 ulBase ulTarget 8 OxFFFOOO 24 printf r nPage 08IXH or O3IXH or 04ld decimal for Flash Offset 08IXH r n n 25 ulPage ulPage gt gt 12 ulPage gt gt 12 ul Target P N 9100
13. the specified baud rate Default setting is 19 2K Console 1200 redirection default is 19 2K 2400 9600 19 2K 38 4 K 57 6 K 115 2 K P N 9100 0066 03 Rev A 18 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement Table 10 Console Redirection Continued Feature Options Description Console Type PC ANSI Enables the specified console type Default setting is PC ANSI VT100 Flow Control None Enables Flow Control Default setting is CTS RTS XON XOFF CTS RTS Console connection Direct Indicates whether the console is connected directly to the system or a Via modem modem Default setting is Direct Continue C R after Off Enables Console Redirection after OS loads Default setting is Off POST On Console redirection default is On 4 4 Other Setup Screens For information on the screens below refer to PhoenixBIOS 4 0 Rev6 User Manual PDF which is supplied on the ZF CD ROM e Security s Power s Boot e Exit s Help 5 ZFlash OS Loader This feature allows Operating Systems such as Linux or VxWorks to load and boot from the same flash device that holds the BIOS Prior to a boot attempt of standard media devices the ZFx86 BIOS scans external Flash devices address blocks These blocks are defined by the user configurable Memory Window Chip Selects and contain a standard legacy ISA extension ROM header A checksum modulo 100h is performed
14. 00 in the flash set PAGE to 0 that is 1000000 D0000 D0000 you only specify 4 digits Read Write Control Read Write Select the behavior of the memory range between read write or read Read Only only access type Default setting is Read Write Window data width 16 bits Select the window datapath width Default setting is 8 bits 8 bits P N 9100 0066 03 Rev A 10 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 4 3 2 ISA I O Chip Select Setup Figure 5 shows the ISA I O Chip Select Setup menu selections Adan ced ISA 1 0 Chip Select Setup Item Specific Help 1 0 Window io cs If the window is enabled then 10 reads and 1 0 writes if enabled in the addrse the window s io cs signal to be asserted Base Address Read lr te Control Window Size Readelrite 61 1 0 Window io csi Window state Disabled 1 0 Window io cs2 Window state Disabled 1 0 Window io cs3 Figure 5 ISA I O Chip Select Setup Table 4 ISA I O Chip Select Setup Feature Options Description Window state Enabled If the window is enabled then I O reads and I O writes if enabled in the Disabled address range of Base to Base Size 1 causes the window s io_cs signal to be asserted Default setting is Disabled Base address 0 FFFF Enter the base address for the I O window Default setting is 0 Read Write Read Write Select the behavi
15. 0066 03 Rev A 30 O 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 7 2 Using the Watchdog Timer The ZFx86 s Watch Dog Timer function is implemented using the following interface INT 15H System Services Interrupt Calling Parameters Register AH C3H Enable Disable Watchdog Timer Register AL 00 Disable Watchdog Timeout Register AL 01 Enable Watchdog Timeout Register BX 1 255 seconds Return Parameters Register Flag CF Carry Flag 0 Operation Complete Register Flag CF Carry Flag 1 Operation Failed WDTON EXE is a sample test program for WDT functions WDTON c is the source code written in MS C and may be used as a tutorial for developing user based WDT routines in Assembler or Other C language compilers As an example set the IDS board s watchdog Jumper J2 to short pin 2 to 3 WD OSC INT Then ata DOS prompt run WDTON 10 The WDTON utility displays the time continuously for 10 seconds The test keeps the ZFx86 s watchdog timer from firing until the ten second interval At that time the watchdog timer fires and the system resets WDTON C Sample Program 6 Tests WDT INT 15 Functions 7 8 include lt ctype h gt 9 include lt io h gt include lt dos h gt include lt stdlib h gt include lt stdio h gt include lt string h gt include lt time h gt void main argc argv int argc char argv char tbuffer 9 union REGS inregs outregs int
16. 23 EV ICES LZFx86 Phoenix BIOS User s Supplement Version 1 06 Rev A November 2 2001 2001 ZF Micro Devices Incorporated P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement THIS DOCUMENT AND THE INFORMATION CONTAINED THEREIN IS PROVIDED AS IS AND WITHOUT A WARRANTY OF ANY KIND YOU THE USER ACCEPT FULL RESPONSI BILITY FOR PROPER USE OF THE MATERIAL ZF MICRO DEVICES INC MAKES NO REP RESENTATIONS OR WARRANTIES THAT THIS DATA BOOK OR THE INFORMATION CONTAINED THERE IN IS ERROR FREE OR THAT THE USE THEREOF WILL NOT INFRINGE ANY PATENTS COPYRIGHT OR TRADEMARKS OF THIRD PARTIES ZF MICRO DEVICES INC EXPLICITLY ASSUMES NO LIABILITY FOR ANY DAMAGES WHATSOEVER RELATING TO ITS USE LIFE SUPPORT POLICY ZF MICRO DEVICES PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPO NENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF ZF MICRO DEVICES INC As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into the body or b support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user 2 A critical component is any component of a life support device or system whose failure to per form can be reasonably expected to cause the failure
17. Beeps Description 9Eh IRQS Enable hardware interrupts 9Fh FDISK FAST INIT2 Determine number of ATA and SCSI drives AOh TIME OF DAY Set time of day A2h KEYLOCK TEST Check key lock A4h KEY RATE Initialize typematic rate A8h ERASE F2 Erase F2 prompt AAh SCAN FOR F2 Scan for F2 key stroke ACh SETUP CHECK Enter SETUP AEh CLEAR BOOT Clear Boot flag BOh ERROR CHECK Check for errors Bih ROMPILOT UNLOAD Inform RomPilot about the end of POST B2h POST DONE POST done prepare to boot operating system B3h ENH CMOS STORE stores CMOS data B4h ONE BEEP 1 One short beep before boot B5h QUIETBOOT END Terminate QuietBoot B6h PASSWORD Check password B7h ACPI Initialize ACPI BIOS B8h SYSTEM INIT Not implemented B9h PREPARE BOOT Prepare Boot BAh DMI Initialize SMBIOS BBh INIT BCVS Initialize PnP Option ROMs BCh PARITY Clear parity checkers BDh BOOT MENU Display MultiBoot menu BEh CLEAR SCREEN Clear screen BFh CHK RMDR Check virus and backup reminders COh INT19 Try to boot with INT 19 Cih PEM INIT Initialize POST Error Manager PEM C2h PEM LOG Initialize error logging C3h PEM DISPLAY Initialize error display function C4h PEM SYSER INIT Initialize system error handler C5h DUAL CMOS PnPnd dual CMOS C6h DOCK INIT Initialize note dock C7h DOCK INIT LATE Initialize note dock late C8h FORCE Force check C9
18. If you are concerned whether your video BIOS image will fit in this space we suggest you pre compress it using a utility such as PKZIP to verify that it compresses to 28 Kbytes or less NOTE Do not attempt to load a previously compressed Video BIOS image using ZEB ZEB always assumes the Video BIOS binary image is uncompressed 1 If you have exited the ZEB utility relaunch it by typing the following at a DOS prompt ZEB lt your_image_name rom gt NOTE You may load either the zfx10600 rom or ron image as the editable BIOS file 2 Select the Add New Video menu item from the Main Menu and press the Enter key See Figure 23 Main Menu dit Defaults Load Original Values Add New Video Add New Logo Save and Exit uit Without Saving Figure 23 ZEB Main Menu The ZEB utility displays the Video filename screen See Figure 24 Video Terence HHS Figure 24 Video Filename Menu 3 Enter your Video filename Note that file names may not exceed eight characters in length O 2001 ZF Micro Devices Incorporated 25 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 4 Press Enter The Save amp Exit command prompt displays See Figure 26 Save and Exit Figure 25 Save and Exit Menu Press the Enter key to save the changed ZFx86 BIOS file Type a new file name or type the original file name in the Output Filename prompt as desired Remember file names may not exceed eight characters in length
19. NIT Initialize chipset with initial POST values 12 C4h PEM SYSER INIT Initialize system error handler 13 OEh 10 INIT Initialize lO component 14 OCh CACHE INIT Initialize caches to initial POST values 15 16h CHECKSUM 1 2 2 3 BIOS ROM checksum 16 17h PRE SIZE RAM Initialize cache before memory Auto size 17 28h SIZE RAM Auto size DRAM 18 CBh ROMRAM Redirect Int 13h to Memory Technologies Devices such as ROM RAM PCMCIA and serial disk 19 2Ah ZERO BASE Clear 512 kB base RAM 20 2Ch ADDR TEST 1 3 4 1 RAM failure on address line xxxx 21 2Eh BASERAML 1 3 4 3 RAM failure on data bits xxxx of low byte of 22 OAh CPU INIT Initialize CPU registers 23 3Ah CACHE AUTO Auto size cache 24 2Fh PRE SYS SHADOW Enable cache before system BIOS shadow 25 38h SYS SHADOW Shadow system BIOS ROM 26 01h IPMI INIT Intelligent Platform Management Interface POST Code Displayed But No Other Operation Is Performed 27 20h REFRESH 1 3 1 1 Test DRAM refresh 28 29h PMM INIT Initialize POST Memory Manager 29 33h PDM INIT Initialize Phoenix Dispatch Manager 30 2Bh ENH CMOS INIT Enhances CMOS feature initalization POST Code Displayed But No Other Operation Is Performed 31 Cth PEM INIT Initialize POST Error Manager PEM 32 3Bh DBGSRV INIT Debug Service feature initialization POST Code Displayed But No Other Operation Is Performed 33 09h SET IN POST Set IN POST flag 34 CEh PEN INIT Initialize digitizer and display message 35 3Ah CACHE AUTO Auto size cache
20. ST display service 5Ah DISPLAY F2 Display prompt Press F2 to enter SETUP 5Bh CPU CACHE OFF Disable CPU cache 5Ch MEMORY TEST Test RAM between 512 and 640 kB 5Eh BASE ADDR Not implemented 60h EXT MEMORY Test extended memory 62h EXT ADDR Test extended memory address lines 64h USERPATCH1 Jump to UserPatch1 P N 9100 0066 03 Rev A 34 O 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement Table 13 POST Code Descriptions Continued POST Code Function Name Beeps Description 66h CACHE ADVNCD Configure advanced cache registers 67h MP INIT MIN Initialize Multi Processor APIC 68h CACHE CONFIG Enable external and CPU caches 69h PM SETUP SMM Setup System Management Mode SMM area 6Ah DISP CACHE Display external L2 cache size 6Bh CUST DFLT Load custom defaults 6Ch DISP SHADOWS Display shadow area message 6Eh DISP NONDISP Display possible high address for UMB recovery 70h ERROR MSGS Display error messages 72h TEST CONFIG Check for configuration errors 74h RTC TEST Not implemented 76h KEYBOARD Check for keyboard errors 7Ah KEYLOCK Not implemented 7Ch HW INTS Set up hardware interrupt vectors 7Dh ISM INIT Initialize Intelligent System Monitoring 7Eh COPROC Initialize coprocessor if present 80h IO BEFORE Disable onboard Super I O ports and IRQs 81h LATE DEVICE INIT Late POST de
21. Splash Screen Graphic eee eee eee eee eee eee 24 6 1 2 Copying lt your_image rom gt ta BIOS ROM file sese eee ee 25 6 1 3 Removing AC Power to the DS rin aa 25 6 14 Loading A POI Video BIOS sarria dina 26 Te Technical TIPS lt a 27 7 1 Understanding Memory AOS ri 27 Lbh ARM ANAIS apa a 28 7 1 2 Using the BIOS to Set Initial Memory Window Positions ses sese eee eee 29 Tas Uang me PU red TIMET i A R 32 7 3 Supplemental POST Code information sss sss ss sc ss csoc sss cove ve oz ee correo nene 34 O 2001 ZF Micro Devices Incorporated 3 P N 9100 0066 03 Rev A ZFx86 BIOS s ZFx86 BIOS Ca MICRO User s Manual D FY I C Version 1 06 Supplement ZF Micro Devices 1052 Elwell Court Palo Alto CA 94303 Tel 650 965 3800 Fax 650 965 4050 1 Introduction to the ZFx86 BIOS The ZFx86 BIOS is the Phoenix 4 0 Revision 6 BIOS customized for the ZFx86 and is licensed for use with the ZF Micro Devices Inc ZFx86 System On a Chip This manual is a supplement to the PhoenixBIOS 4 0 Revision 6 User s Manual dated June 22 2000 and is included with the ZFx86 BIOS Release Set version 1 06 It covers ZFx86 specific configuration settings and utilities used to manage the ZFx86 BIOS Certain Hypertext Links in this document take you either to the web or to other ZF Micro Devices documents For the document links to work the PDF version of this document should be in the same directory as
22. de IrDA FIR Set mode for Infrared port Default setting is IrDA P N 9100 0066 03 Rev A 12 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement Table 5 I O Device Configuration Setup Continued Feature Options Description Base I O address 3F8 Select the base I O address for Infrared port Default setting is 3E8 3E8 Interrupt IRQ 3 Select the interrupt for the Infrared port Default setting is IRQ 5 IRQ 5 Parallel port Disabled Configure parallel port using options Enabled Disabled No configuration Auto Enabled User Configuration OS Controlled Auto BIOS or OS selects the configuration OS Controlled Displayed when controlled by OS Default setting Mode Output only Set the mode for the parallel port using the following options Bi directional Output only Bi directional EPP and ECP Default setting is ECP EPP ECP Base I O address 378 Set the base I O address for the parallel port Default setting is 378 278 3BC Interrupt IRQ 5 Set the interrupt for the parallel port Default setting is IRQ 7 IRQ 7 DMA channel DMA 1 Set the DMA channel for the parallel port Default setting is DMA 1 DMA 3 Floppy disk Disabled Configure using the following options controller Enabled Disabled No configuration Auto Enabled User Configuration Default setting Auto BIOS or OS chooses configuration OS Controlled Displayed when cont
23. e ZEB Editor with the IDS Use ZEB to change the default CMOS BIOS settings Remember to disable the CMOS battery by setting pins 2 and 3 to Clear Refer to Figure 12 for the JP5 jumper location PC SPEAKER Batte ry PARALLEL PORT COM1 JP5 CMOS BATTERY Parallel Port ofa ml 1 2 NORM Connector 2 3 CLR CMOS Figure 12 CMOS Battery Jumper JP5 Part of the IDS Evaluation Board The ZEB menus contain information on how to change BIOS settings The following procedure illustrates how to change the default Summary Window setting 1 Start ZEB ata DOS prompt by typing the following ZEB lt your_image_name rom gt If you do not enter a BIOS Image name lt your_image_name rom gt a listing of directories and files found in the launch directory displays Use the arrow keys to select the BIOS Image you want to edit and press Enter Use the up and down arrow keys to select an item on the start up menu P N 9100 0066 03 Rev A 20 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 2 Select the Edit Defaults menu item and press the Enter key See Edit Defaults O Figure 13 ZEB Main Menu 3 The ZEB utility displays seven top level menu selections Using the right and left arrow keys select the Main menu item See Figure 14 ZEB Main Menu Selections 4 Press Enter to access the Main menu a Use the down arrow to move down the men
24. e as the editable BIOS file because ZEB substitutes the testlogo image or your new splash screen image with the default ZF Micro logo graphic Do not use the zfx10600 ron image file as it does not contain a splash screen graphic 2 Select the Add New Logo menu item from the Main Menu and press the Enter key See Figure 19 Main Menu dit Defaults Load Original Values Add New Video Add New Logo Save and Exit uit Without Saving Figure 19 ZEB Main Menu 2001 ZF Micro Devices Incorporated 23 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement The ZEB utility displays the Logo filename screen See Figure 20 Logo filename H Figure 20 Logo Filename Menu 3 Enter your Logo filename or use the generic 640x480x256 color splash screen bit map graphic named testlogo bmp included with this BIOS release NOTE Your logo must not exceed the generic 640x480x256 color bit map size 4 Press Enter The Save amp Exit command prompt displays 5 Press the Enter key to save the changed BIOS file See Figure 21 Save and Exit Figure 21 Save and Exit Menu 6 Type anew file name or type the original file name in the Output Filename prompt as desired Remember file names may not exceed eight characters in length See Figure 22 Output Filename MS Figure 22 Output Filename Menu 7 Press the Enter key The ZEB utility exits and returns you to the DOS prompt 6 1 2 Copying lt your_
25. e window SIZE as BASE to BASE SIZE where it is assumed that the right most 12 bits are implicitly FFF Therefore a size of 001000 hex would be 1FFF thereby providing an 8K window Note that you might think that O would provide a 4K window however we decode 0 internally to disable the window Treat the PAGE field as a signed number if PAGE BASE then the target is the beginning of the flash but because all 32 bits are not available it becomes a bit tricky It is best to use the calculator built into AMDFLASH An example of the printout and a copy of the source code in C follows 2001 ZF Micro Devices Incorporated 29 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement Sample Code for Initial Memory Window Positions Create a 32K window starting at D0000 in the ZFx86 address space The window initially points to an offset 2000H within the flash chip Example Set the Page register to OOF32000H or F32 in the ZFx86 Phoenix BIOS Memory Window Setup screen Phoenix ZFx86 BIOS Memory Window Setup Calculator Helper Enter Window Size between 8K and 16384K 32 Recommended Value for Size 007000H Enter Desired Window Base in Hex example DC000 D0000 Enter Desired Window Size in Hex example 1000 8K FFF000 16 MB 7000 Enter Flash Target Address in Hex example 2000 8K 2000 NOTE In the following example the program creates a 32K window starting at DOOOOH which points initially to offset 2000H in the
26. ed memory 84 62h EXT ADDR Test extended memory address lines 85 64h USERPATCH1 Jump to UserPatch1 86 66h CACHE ADVNCD Configure advanced cache registers 87 68h CACHE CONFIG Enable external and CPU caches 88 6Ah DISP CACHE Display external L2 cache size 89 6Ch DISP SHADOWS Display shadow area message 90 CAh SERIAL KEY Redirect Int 15h to enable remote keyboard 91 70h ERROR MSGS Display error messages 92 72h TEST CONFIG Check for configuration errors 93 4Fh MULTBOOT INIT Initialize MultiBoot 94 CDh PCMATA Re map I O and memory for PCMCIA 95 7Dh ISM INIT Initialize Intelligent System Monitoring 96 7Eh COPROC Initialize coprocessor if present 97 Cih PEM INIT Initialize POST Error Manager PEM 98 80h IO BEFORE Disable onboard Super I O ports and IRQs 99 CAh SERIAL KEY Redirect Int 15h to enable remote keyboard 100 88h BIOS INIT Initialize BIOS Data Area 101 8Ah INIT EXT BDA Initialize Extended BIOS Data Area 102 81h LATE DEVICE INIT Late POST device initialization 103 87h MCD INIT Configure Motherboard Configurable Devices 104 85h PCI PCC Initialize PC compatible PnP ISA devices 105 82h RS232 Detect and install external RS232 ports 106 84h LPT Detect and install external parallel ports 107 86h IO AFTER Re initialize onboard I O ports 108 83h FDISK CFG IDE CTRLR Configure non MCD IDE controllers 109 CEh PEN INIT Initialize error display function 110 89h ENABLE NMI Enable Non Maskable Interrupts NMIs 111 8Ch FLOPPY Initiali
27. ent For information specific to the Main menu see the PhoenixBIOS 4 0 Rev6 User Manual PDF 4 2 Advanced Figure 2 shows the Advanced menu selections Main Item Specific Help Setting items on this menu to incorrect values may cause your system to malfunction Enables or Disables the USB hardware Disabled es resources will be freed USB BIOS Legacy Support isabledl up for other uses Advanced Chipset Control 1 0 Device Configuration PCI Configuration iguration Data No e D0S 115 2K Figure 2 Advanced Setup Screen 3 The Dongle s flash programmer allows you to specify where in the flash to place the BIOS Place the BIOS in the high addresses of the flash Since the ZFx86 Phoenix BIOS is a 256K image use starting address 1C0000 if you have a 2MB Flash and C0000 if you have a 1 MB flash and so on O 2001 ZF Micro Devices Incorporated 7 P N 9100 0066 03 RevA ZFx86 BIOS User s Manual Supplement Table 1 Advanced Setup Screen Feature Options Description USB Host Disabled Enables or Disables the USB hardware Disabled resources are available controller Enabled for other uses Default setting is Enabled USB BIOS Disabled Enables or Disables support for USB Keyboard and Mouse Enable for Legacy Enabled use with a non USB aware Operating System such as DOS or UNIX Support Default setting is Disabled Advanced See Advanced Chipset Control
28. h EXT CHECKSUM Extended checksum CAh SERIAL KEY Redirect Int 15h to enable remote keyboard CBh ROMRAM Redirect Int 13h to Memory Technologies Devices such as ROM RAM PCMCIA and serial disk CCh SERIAL VID Redirect Int 10h to enable remote serial video CDh PCMATA Re map I O and memory for PCMCIA CEh PEN INIT Initialize digitizer and display message CFh XBDA FAIL Allocates space for Extended BIOS data area components D1h BIOS STACK INIT BIOS stack initalization P N 9100 0066 03 Rev A 36 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement The Event displayed in Table 14 indicates the POST Code sequence order for the ZFx86 BIOS version 1 06 Note that not all available POST Codes are used in the Boot sequence and this sequence may change with other BIOS versions Table 14 Boot Sequence POST Code Event POST Code Function Name Beeps Description 1 C3h PEM DISPLAY Initialize error display function 2 C2h PEM LOG Initialize error logging 3 02h VERIFY REAL Verify Real Mode 4 C8h FORCE Force check 5 C9h EXT CHECKSUM Extended checksum 6 24h SET HUGE ES Set ES segment register to 4 GB 7 04h GET CPU TYPE Get CPU type 8 06h HW INIT Initialize system hardware 9 18h TIMER INIT 8254 timer initialization 10 07h CS BIOS DESHAD Disable shadow and execute code from the ROM 11 08h CS I
29. image rom gt to BIOS ROM file To verify that your BIOS changes are correct copy your edited BIOS image to the AMDFLASH directory using the b binary switch Remember to rename your edited image to BIOS ROM using the following copy command for example C AMDFLASH gt COPY B lt your_image_name rom gt BIOS ROM 6 1 3 Removing AC Power to the IDS The IDS non volatile RAM is battery backed and although you have disabled the battery by jumpering JP5 pins 2 and 3 see Figure 12 you must also re power the IDS board to erase the original data in the non volatile RAM P N 9100 0066 03 Rev A 24 O 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 6 1 4 Loading A PCI Video BIOS ZEB and the ZFx86 BIOS provides an external load capability for a customer supplied PCI Video BIOS A PCI Video BIOS binary image may be integrated permanently into your ZFx86 BIOS binary image Note that it is your responsibility to ensure that the Video BIOS image matches your PCI video hardware and also complies with all licensing and copyrights pertaining to the Video BIOS that you use The Zfx86 BIOS reserves space up to 28 Kbytes to accommodate a compressed custom Video BIOS The ZEB editor automatically compresses the Video BIOS binary image when you integrate it into a revised ZFx86 BIOS binary image Generally an uncompressed Video BIOS of up to 48 Kbytes will compress and fit into the binary image s reserved space
30. indow Positions AMDFLASH contains a calculator to make the initial setup of your windows easier Set the initial values of the BASE SIZE PAGE registers using exactly the same technique you use in your own software to reset or move these memory windows The operative part of the BASE SIZE PAGE registers is a 12 bit field 3 hex digits out of a 32 bit register The BASE SIZE PAGE registers are 32 bits wide but only bits 23 12 are used 12 bits or 3 hex digits The possible ranges of data written to these registers is thus 000000H FFFOOOH P N 9100 0066 03 Rev A 28 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement Bits 23 16 Bits 15 12 12 bits 12 bits User Defined 32 bits Figure 28 Fields in 32 bit memory settings register Since each field is 12 bits wide the actual data values are 000 to FFF hex in the 12 bit field If you want the window to start at DOOOO in the ZFx86 address space set the BASE to 0D0000 hex that is ODO in the 12 bit field and in the BIOS settings for the Memory Window BASE Table 12 shows the values used to setup a Memory Window Chip Select that enables blocks placed at flash address 0 to be mapped to ISA addresses shown in the first column Table 12 Sample Window Calculations ISA Window Base BASE hex PAGE hex C8000 C8 F38 Ccoo00 CC F34 D0000 DO F30 D4000 D4 F26 D8000 D8 F28 DC000 DC F24 Calculate th
31. irectory as amdflash exe For example type C AMDFLASH gt COPY B A zfx10600 rom BIOS ROM Always use the B binary argument when you COPY from a DOS prompt Set the jumpers so that the ZFx86 boots from the AMDFLASH the board may be set already newer systems arrive as such Jumper pins 4 and 6 of the FLASH CS CONF jumper JP7 and set BOOTSTRAPS switch S3 12 to OFF See Figure 1 ANOS S9 HSV14 TANVd LNOYS POSTCODE D 83 POSTCODE Figure 1 Lower Corner of IDS Evaluation Board Jumper JP7 Since the AMDFLASH utility runs from a DOS prompt make sure you are able to boot using any working BIOS or the GS from the ATMEL CHIP if present or a previous version of PhoenixBIOS from the AMD Flash Note that if you boot DOS from the GS ATMEL you need to change the FLASH CS CONF jumper JP7 from pins 3 and 5 to pins 4 and 6 see Figure 1 and place S3 switch 12 to the right before executing the AMDFLASH utility Boot DOS You may boot DOS from the floppy disk or the hard disk Copy the amdflash exe program contained in the ZIP file to the DOS disk For example type C AMDFLASH gt COPY B A amdflash exe Copy the BIN files into the same directory For exam
32. k frequency 33h PDM INIT Initialize Phoenix Dispatch Manager 34h CMOS TEST Not implemented 35h REG REINIT Not implemented 36h CHK SHUTDOWN Warm start shut down 37h CS REINIT Not implemented 38h SYS SHADOW Shadow system BIOS ROM 39h CACHE REINIT Not implemented 3Ah CACHE AUTO Auto size cache 3Bh DBGSRV INIT Debug Service feature initialization POST Code Displayed But No Other Operation Is Performed 3Ch ADV CS CONFIG Advanced configuration of chipset registers 3Dh ADV REG CONFIG Load alternate registers with CMOS values 3Eh READ HW Not implemented 3Fh ROMPILOT MEMORY Not implemented 40h SPEED Not implemented 41h ROMPILOT INIT Initialize extended memory for RomPilot 42h VECTOR INIT Initialize interrupt vectors 44h SET BIOS INT Not implemented 45h DEVICE INIT POST device initialization 46h COPYRIGHT 2 1 2 3 Check ROM copyright notice 47h 120 INIT Initialize 120 support 48h CONFIG Check video configuration against CMOS 49h PCI INIT Initialize PCI bus and devices 4Ah VIDEO Initialize all video adapters in system 4Bh QUIETBOOT START QuietBoot start 4Ch VID SHADOW Shadow video BIOS ROM 4Eh CR DISPLAY Display BIOS copyright notice 4Fh MULTBOOT INIT Initialize MultiBoot 50h CPU DISPLAY Display CPU type and speed 51h EISA INIT Initialize EISA board 52h KB TEST Test keyboard 54h KEY CLICK Set key click if enabled 55h USB INIT Enable USB devices 56h ENABLE KB Not implemented 58h HOT INT 2 2 3 1 Test for unexpected interrupts 59h PDS INIT Initialize PO
33. lize all video adapters in system 60 4Ch VID SHADOW Shadow video BIOS ROM 61 24h SET HUGE ES Set ES segment register to 4 GB 62 59h PDS INIT Initialize POST display service 63 CCh SERIAL VID Redirect Int 10h to enable remote serial video 64 55h USB INIT Enable USB devices 65 52h KB TEST Test keyboard 66 54h KEY CLICK Set key click if enabled 67 76h KEYBOARD Check for keyboard errors 68 58h HOT INT 2 2 3 1 Test for unexpected interrupts 69 3Fh ROMPILOT MEMORY Not implemented 70 C4h PEM SYSER INIT Initialize system error handler 71 7Ch HW INTS Initialize note dock late 72 4th ROMPILOT INIT Initialize extended memory for RomPilot 73 4Bh QUIETBOOT START QuietBoot start 74 C6h DOCK INIT Initialize note dock 75 4Eh CR DISPLAY Display BIOS copyright notice 76 50h CPU DISPLAY Display CPU type and speed 77 C9h EXT CHECKSUM Extended checksum 78 51h EISA INIT Initialize EISA board 79 9Dh SECURITY INIT Initialize security engine 80 5Ah DISPLAY F2 Display prompt Press F2 to enter SETUP 81 5Bh CPU CACHE OFF Disable CPU cache 82 5Ch MEMORY TEST Test RAM between 512 and 640 kB P N 9100 0066 03 Rev A 38 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement Table 14 Boot Sequence POST Code Continued Event POSTCode Function Name Beeps Description 83 60h EXT MEMORY Test extend
34. ndow OK at D8000 DBFFFH Window OK at DCOOO0 DFFFFH These numbers specify where to place the windows apertures in the memory space below 1 MB Actually it specifies memory in the range of C0000 through FFFFF which is not shadowed The ZFx86 BIOS lives in the upper 128K of the first megabyte that is addresses E0000 through F0000 However to allow the BIOS to run faster rather than read it from 8 bit wide flash the BIOS is copied into the typical 32 bit wide SDRAM Then the SHADRC and SHADWC registers in the ZFx86 North Bridge hardware are set to enable read from the SDRAM and not to enable Write to the SDRAM This results in memory reads directed to this address space that are also directed to the North Bridge SDRAM controller which in turn is generally connected to high performance 32 bit wide SDRAM Addresses not shadowed which are in the range C0000 to FFFFF are directed to the ISA bus Any addresses on the ISA bus which are below E0000 may be used as memory windows we PAGE BASE BASE Address 0 J External Address Space Flash etc ISA Address Space Figure 27 Memory Window Mapping 2001 ZF Micro Devices Incorporated 27 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement To use these memory windows to access external SRAM or FLASH chips the ZFx86 allows you to activate one of four mem_csn pins where n 0 1 2 or 3 when addresses between BASE and BASE SIZE are encountered
35. of the life support device or system or to affect its safety or effectiveness c 2001 ZF Micro Devices Inc All rights reserved ZFx86 FailSafe FailSafe Boot ROM Z tag ZF Logic InternetSafe OEMmodule SCC ZF Sys temCard ZF FlashDisk SC netDisplay ZF 104Card ZF SlotCard and ZF Micro Devices logo are trademarks of ZF Micro Devices Inc Other brands and product names are trademarks of their respective owners P N 9100 0066 03 Rev A 2 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 1 Introduction to the ZE BIOS aaa 5 a E E T E E T E E E T AE E 5 2 l DER BIOS SE GOMO at di iO 6 3 AAN A es 6 lt k SS The ANT A A E ia ee reer eae 6 dis Using Me DON iran ina 8 d BIOS SA da 8 A eer E gene A EAEE rere aT ener rr E E rr yee T 8 A A Breen Are reer reer rela qoortny eer ee sree re meer Mere core aera gerne 8 44 Advanced Chipset Coie arias 10 4 3 1 ISA Memory Chip Select SEP sra a 11 taz ISA VO Chip Select Setup arias 12 daa VO Device CLG OI sustos 13 ESA OIT si ii a 15 4 35 POUPNP ISA UMB Region EXCISION ssiccisiincin conosca 16 4 3 6 PCI PNP ISA IRQ Resource Exclusion see eee 17 4 3 7 PCI PNP ISA DMA Resource Exclusion sss see eee 18 4 3 8 Console Redirection in Ra aRU 19 da R AUN SIS aea e E 20 5 ZFlash OS LOA Gl A al Rasa 20 6 Using the ZF Edit BIOS ZEB UI oaa 21 SL Using me ZEB Editor with ihe DS sin aiaa a2R 441A ESTATE a1 aT auditin y 21 6 1 1 Loading A Custom
36. on page 9 Chipset Control I O Device See I O Device Configuration on page 12 Configuration PCI See PCI Configuration on page 14 Configuration Reset No Select Yes if you want to clear the Extended System Configuration Data Configuration Yes ECSD area Default setting is No Data Secured Setup No Yes Prevents a Plug and Play Operating System from changing system Configurations Yes settings Default setting is No Installed O S Other Select the operating system installed on your system that you will use Win95 most commonly Default setting is Other Note An incorrect setting causes some operating systems to display unexpected behavior Large Disk Other For UNIX Novel NetWare or other operating systems select Other Access DOS If you are installing new software and the drive fails change this selection Mode and try again Different operating systems require different representations of drive geometries Default setting is DOS Console See Console Redirection on page 18 Redirection Remote 115 2K Selects the baud rate used for serial remote configuration mode Default Management 57 6K setting is 115 2K Baud Rate 38 4K 28 8K 19 2K 14 4K 9600 2400 P N 9100 0066 03 Rev A 8 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 4 3 Advanced Chipset Control Figure 3 shows the Advanced Chipset Control submenu selections Advanced Chipset Control Item Specific Help
37. oot 137 B5h QUIETBOOT END Terminate QuietBoot 138 C5h DUAL CMOS PnPnd dual CMOS 139 BEh CLEAR SCREEN Clear screen 140 B6h PASSWORD Check password 141 BCh PARITY Clear parity checkers 142 B7h ACPI Initialize ACPI BIOS 143 9Bh PMCPUSPEED Not implemented see POST code 32h 50h 144 BDh BOOT MENU Display MultiBoot menu 145 BFh CHK RMDR Check virus and backup reminders 146 C8h FORCE Force check 147 91h FDISK FAST INIT Initialize local bus hard disk controllers 148 9Fh FDISK FAST INIT2 Determine number of ATA and SCSI drives 149 97h MP FIXUP Fix up Multi Processor table 150 99h FDISK CHECK SMART Check for SMART Drive 151 B1h ROMPILOT UNLOAD Inform RomPilot about the end of POST 152 C7h DOCK INIT LATE Initialize note dock late 153 B3h ENH CMOS STORE stores CMOS data 154 B9h PREPARE BOOT Prepare Boot 155 CCh SERIAL VID Redirect Int 10h to enable remote serial video P N 9100 0066 03 Rev A 40 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement ZF Micro Devices Inc 1052 Elwell Court Palo Alto California 94303 650 965 3800 Fax 965 4050 www zfmicro com 2001 ZF Micro Devices Incorporated 41 P N 9100 0066 03 Rev A
38. or of the I O range between read write or read only Control Read Only access type ports Setting window to read only mode disables the IOW_N signal on ISA bus for I O window address range Default setting is Read Write Window data width 8 bits Select the window datapath width Default setting is 8 bits 16 bits Active level Active Low Select the level to assert on the io_cs pin The ZFx86 asserts the selected Active High level on the window s io_cs pin when the program accesses O in the window range of Base to Base Size 1 Default setting is Active Low Window Size 01 16 Select the number of consecutive I O address to decode starting from the I O window base Example a value of 4 decodes 4 consecutive 8 bit I O addresses or 2 consecutive 16 bit addresses Decode occurs on I O read and may occur on I O write Default setting is 01 2001 ZF Micro Devices Incorporated 11 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 4 3 3 I O Device Configuration Figure 6 shows the I O Device Configuration menu selections I 0 Device Configuration E E Controlled Controlled Item Specific Help Configure serial pox usina options Disabled Ho conf igurat ton Serial port B Infrared Port Mode Floppy disk controller Base 1 0 address Local Bus IDE adapter L L k Paral lel port E Mode L L L E Figure 6 I O Device Configuration Setup ab led imary J thd CEnabled
39. ple type C AMDFLASH gt COPY B A zfx10600rom bin Run AMDFLASH 0 Status messages display as the system boots Do not change any jumpers unless you boot from the ATMEL Flash see step 2 above This version of the program places a copy of the BIOS ROM in the IDS AMD flash 2 Ifyou have trouble running AMDFLASH 0 program we recommend removing any ISA slot boards except video Currently AMDFLASH is hardwired for a 2 MB Flash Chip P N 9100 0066 03 Rev A 6 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement 3 2 Using the Dongle Use the Z tag Manager software application to load the BIOS image into the Z tag Dongle Then use the Dongle to load the BIOS on systems that support the Z tag interface such as the IDS See the examples in Chapter 4 of the ZFx86 Integrated Development System Quick Start Guide The Dongle must contain two SEEPROMs Dongles manufactured after January 2001 contain two SEEPROMs The Z tag Manager provides an error message if the Dongle does not contain enough SEEPROM memory 4 BIOS Setup To start the BIOS Setup utility press the F2 function key during the boot up process The PhoenixBIOS Setup Utility screen displays with the following selections across the top e Main e Advanced e Security e Power s Boot e Exit 4 1 Main The Main menu selections contain no changes with this release therefore that information is not duplicated in this supplem
40. r Management 11h REG INIT Load alternate registers with initial POST values 12h RESTORE CRO Restore CPU control word during warm boot 13H PCI BM RESET Initialize PCI Bus Mastering devices 14h 8742 INIT Initialize keyboard controller 16h CHECKSUM 1 2 2 3 BIOS ROM checksum 17h PRE SIZE RAM Initialize cache before memory Auto size 18h TIMER INIT 8254 timer initialization 1Ah DMA INIT 8237 DMA controller initialization 1Ch RESET PIC Reset Programmable Interrupt Controller 20h REFRESH 1 3 1 1 Test DRAM refresh 22h 8742 TEST 1 3 1 3 Test 8742 Keyboard Controller 24h SET HUGE ES Set ES segment register to 4 GB 26h ENABLE A20 Not implemented 28h SIZE RAM Auto size DRAM 29h PMM INIT Initialize POST Memory Manager 2Ah ZERO BASE Clear 512 kB base RAM 2Bh ENH CMOS INIT Enhances CMOS feature initalization POST Code Displayed But No Other Operation Is Performed 2Ch ADDR TEST 1 3 4 1 RAM failure on address line xxxx 2Eh BASERAML 1 3 4 3 RAM failure on data bits xxxx of low byte of 2Fh PRE SYS SHADOW Enable cache before system BIOS shadow O 2001 ZF Micro Devices Incorporated 33 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement Table 13 POST Code Descriptions Continued POST Code Function Name Beeps Description 30h BASERAMH Not implemented 32h COMPUTE SPEED Test CPU bus cloc
41. rolled by OS Base I O address Primary Set the base I O address for the floppy disk controller using options Secondary Default setting is Primary Local Bus IDE Disabled Enable the integrated local bus IDE adapter Default setting is Both adapter Primary Secondary Both 2001 ZF Micro Devices Incorporated 13 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement 4 3 4 PCI Configuration Figure 7 shows the PCI Configuration submenu settings PCI Configuration Item Specific Help Reserve specific upper memory blocks for use by legacy ISA devices PCI PNP ISA IRQ Resource Exclusion PCI PNP ISA DMA Resource Exclusion ISA Ps device installed RQ li ine 1 PCI IRQ line 2 PCI IRQ line 3 PCI IRQ line 4 Auto Enter Figure 7 PCI Configuration Table 6 PCI Configuration Feature Options Description PCI PNP ISA UMB Reserve specific upper memory blocks for use by legacy ISA Region Exclusion devices See PC PNP ISA UMB Region Exclusion on page 15 PCI PNP ISA IRQ Reserve specific IRQ s for use by legacy ISA devices See PC PNP Resource Exclusion ISA IRQ Resource Exclusion on page 16 PCI PNP ISA DMA Reserve specific DMA channels for use by legacy ISA devices See Resource Exclusion PCI PNP ISA DMA Resource Exclusion on page 17 ISA graphics device No Enable ISA non VGA graphics device to access palette data in PCI installed Yes VGA
42. rovide initial values for the four memory windows which may be created using the ZF logic built in the ZFx86 chip For more information see Understanding Memory Windows on page 26 Memory Window mem_cs Enter the value for the CAMEO 1 menor AS size Window Base En tert he most lie lona 3 HEX digits of SI number Memor Window memos Win ndow Si ra See the 1 L pas 3 Documentar Lon Window data width 16 bi Example Memory mS RE AAAH pindo disabled Window S 1000H Window Base A 12K etc Figure 4 Memory Chip Select Setup Table 3 ISA Memory Chip Select Setup Feature Options Description Window SIZE Enter the value for the memory window size register Acceptable range is from 000000H to FFFOOOH Enter the hexadecimal value of the most significant 3 HEX digits of this number See the ZFx86 documentation for additional information Example 0000H window disabled 1000H 8K 2000 12K and so on Window BASE Enter the value for the memory window base register Acceptable range is from 000000H to FFFOOOH Enter the hexadecimal value of the most significant 3 HEX digits of this number See the ZFx86 documentation for additional information Example 0C0000 base address is 000C0000 or C000 0 Window PAGE PAGE 1000000 BASE FLASHA If Base 0D0000 then set PAGE to F30000 so that D000 0 goes to address 0 in the flash That is 1000000 D0000 0 For D0000 to go to D00
43. shadow area of system memory at OEQ000h to OFFFFFh The BIOS image may be loaded into the Integrated Development System IDS AMD Flash using either the Z tag Dongle or from a DOS prompt using the amdflash exe Utility Optionally external Programmers may be used to transfer the BIOS image into EPROM or Flash devices Find detailed instructions for installing user software in flash devices in Booting User Software From Flash Chips Software Note Part 9100 0067 00 Download this document from the ZF Micro Devices website htto www zfmicro com Using The amdflash exe AMDFLASH is a convenient way to update the BIOS in the Integrated Development System or another Target Board which has a 2 MB AMDFLASH chip installed AMDFLASH supports only AMD flash chips and requires that you have a working BIOS already installed and thus can boot DOS Amdflash exe always loads the BIOS image from a file called BIOS ROM residing on a floppy or a hard disk In the installation example below we copy the BIOS files into a directory located on the C Drive named AMDFLASH and the files are being loaded from an A floppy drive 1 Start up screen containing the ZF Micro Inc logo 2001 ZF Micro Devices Incorporated 5 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement To load the ZFx86 BIOS follow this procedure 1 Use the COPY B command to transfer the desired BIOS image to the BIOS ROM file This file must be in the same d
44. u selections until the Summary Screen item is selected O 2001 ZF Micro Devices Incorporated 21 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement b Use the right and left arrow keys to toggle the Enabled or Disabled selection See Enabled Figure 15 Summary Screen Enable Setting c With Enabled selected press the Escape key to exit the Main menu 5 Press the Escape key again to exit the ZEB Main menu a Use the down arrow to select Save and Exit See Save and Exit Figure 16 ZEB Main Menu b Press Enter The Save 8 Exit command prompt displays P N 9100 0066 03 Rev A 22 O 2001 ZF Micro Devices Incorporated ZFx86 BIOS User s Manual Supplement c Press the Enter key to save the changed BIOS file See Figure 17 Save and Exit Figure 17 Save and Exit Menu d Type a new file name or type the original file name in the Output Filename prompt as desired Remember file names may not exceed eight characters in length See Figure 18 Output Filename Mo Figure 18 Output Filename Menu e Press the Enter key The ZEB utility exits and returns you to the DOS prompt 6 1 1 Loading A Custom Splash Screen Graphic The ZEB utility allows you to add a custom splash screen graphic into your BIOS image file 1 If you have exited the ZEB utility relaunch it by typing the following at a DOS prompt ZEB lt your_image_name rom gt NOTE You must load the zfx10600 rom imag
45. uired between the ZFx86 COM A COM1 and a PC ANSI terminal or terminal emulator such as Procomm or Hyperterminal Text mode video operations are only supported during console redirect The operators at the other machine have the same controls for example using the hot keys and rebooting the system during POST They also have the ability to enter SETUP and modify the settings stored in CMOS The system security features however cannot be circumvented if enabled The current limitation is that most non DOS operating systems interfere with console redirection disabling access by the other machine after POST The reason for this is that UCR reserves the serial port for redirection use The port chosen by the user in SETUP is removed from the BDA BIOS Data Area Any operating system that does not rely on the BDA to get information on the available serial ports but instead independently searches for them will cause the connection to be lost after POST This event is true for all applications including mouse drivers If enabled it will use a port on the motherboard ro Console connection Continue C R after POST Figure 11 Console Redirection Table 10 Console Redirection Feature Options Description Com Port Address Disabled If enabled ZFx86 uses a port on the motherboard Default setting is On board COM A Disabled Console redirection default is COM A On board COM B Baud Rate 300 Enables
46. vice initialization 82h RS232 Detect and install external RS232 ports 83h FDISK CFG IDE CTRLR Configure non MCD IDE controllers 84h LPT Detect and install external parallel ports 85h PCI PCC Initialize PC compatible PnP ISA devices 86h IO AFTER Re initialize onboard I O ports 87h MCD INIT Configure Motherboard Configurable Devices 88h BIOS INIT Initialize BIOS Data Area 89h ENABLE NMI Enable Non Maskable Interrupts NMIs 8Ah INIT EXT BDA Initialize Extended BIOS Data Area 8Bh MOUSE Test and initialize PS 2 mouse 8Ch FLOPPY Initialize floppy controller 8Eh AUTOTYPE Not implemented 8Fh FDISK FAST PREINIT Determine number of ATA drives 90h FDISK Initialize hard disk controllers 91h FDISK FAST INIT Initialize local bus hard disk controllers 92h USERPATCH2 Jump to UserPatch2 93h MP INIT Build MPTABLE for multi processor boards 95h CD Install CD ROM for boot 96h CLEAR HUGE ES Clear huge ES segment register 97h MP FIXUP Fix up Multi Processor table 98h ROM SCAN 1 2 Search for option ROMs One long two short beeps on check sum failure 99h FDISK CHECK SMART Check for SMART Drive 9Ah MISC SHADOW Shadow option ROMs 9Bh PMCPUSPEED Not implemented see POST code 32h 50h 9Ch PM SETUP Set up Power Management 9Dh SECURITY INIT Initialize security engine 2001 ZF Micro Devices Incorporated 35 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement Table 13 POST Code Descriptions Continued POST Code Function Name
47. vices Incorporated 7 3 POST Code Information Although Power On Self Test POST errors and beep codes are documented in the Phoenix BIOS 4 0 Revision 6 User s manual this section contains the latest comprehensive POST and beep codes Table 13 lists the POST codes in numerical order However POST code routines are run in a logical order and some routines may run more than once To aid debugging of a bring up board we have provided Table 14 which shows the actual sequence of these routines relevant to the 1 06 version BIOS ZFx86 BIOS User s Manual Supplement Table 13 POST Code Descriptions POST Code Function Name Beeps Description 00h NULL Not implemented 01h IPMI INIT Intelligent Platform Management Interface POST Code Displayed But No Other Operation Is Performed 02h VERIFY REAL Verify Real Mode 03h DISABLE NMI Disable Non Maskable Interrupt NMI 04h GET CPU TYPE Get CPU type 06h HW INIT Initialize system hardware 07h CS BIOS DESHAD Disable shadow and execute code from the ROM 08h CS INIT Initialize chipset with initial POST values 09h SET IN POST Set IN POST flag OAh CPU INIT Initialize CPU registers OBh CPU CACHE ON Enable CPU cache OCh CACHE INIT Initialize caches to initial POST values OEh 10 INIT Initialize I O component OFh FDISK INIT Initialize the local bus IDE 10h PM INIT Initialize Powe
48. ze floppy controller 112 CBh ROMRAM Redirect Int 13h to Memory Technologies Devices such as ROM RAM PCMCIA and serial disk 113 CDh PCMATA Re map I O and memory for PCMCIA 114 90h FDISK Initialize hard disk controllers 115 8Bh MOUSE Test and initialize PS 2 mouse 116 95h CD Install CD ROM for boot 117 92h USERPATCH2 Jump to UserPatch2 118 B6h PASSWORD Check password 119 98h ROM SCAN 1 2 Prepare Boot 120 93h MP INIT Build MPTABLE for multi processor boards 121 9Ch PM SETUP Set up Power Management 122 C7h DOCK INIT LATE Initialize note dock late 123 9Eh IRQS Enable hardware interrupts 124 AOh TIME OF DAY Set time of day 125 A2h KEYLOCK TEST Check key lock 126 CFh XBDA FAIL Allocates space for Extended BIOS data area components 2001 ZF Micro Devices Incorporated 39 P N 9100 0066 03 Rev A ZFx86 BIOS User s Manual Supplement Table 14 Boot Sequence POST Code Continued Event POSTCode Function Name Beeps Description 127 A4h KEY RATE Initialize typematic rate 128 C2h PEM LOG Initialize error logging 129 BAh DMI Initialize SMBIOS 130 A8h ERASE F2 Erase F2 prompt 131 AAh SCAN FOR F2 Scan for F2 key stroke 132 ACh SETUP CHECK Enter SETUP 133 AEh CLEAR BOOT Clear Boot flag 134 BOh ERROR CHECK Check for errors 135 B2h POST DONE POST done prepare to boot operating system 136 B4h ONE BEEP One short beep before b
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