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BCM Advanced Research MX852E-C10 Series, User Manual

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BCM Advanced Research MX852E-C10 Series User Manual Download Page 114

MX855E/ MX852E-C10 Series 

114 MX855E/ MX852E-C10 Series User’s Manual

 

 

 

40.4 BootBlock POST Codes 

Code (hex) 

Name 

Description 

1 

Base memory test 

Clear base memory area (0000:0000--9000:ffffh) 

5 

KB init 

Initialized  KBC 

12 

Install interrupt vectors 

Install int. vector (0-77), and initialized 00-1fh to their proper place

0D 

Init Video 

Video initializing 

41 

Init FDD 

Scan floppy and media capacity for onboard superIO 

FF 

Boot 

Load boot sector 

 

Summary of Contents for MX852E-C10 Series

Page 1: ...Part No Pentium M Celeron M Mini ITX Mainboard MX855E MX852E C10 User s Manual http www bcmcom com...

Page 2: ...Y AND IF NOT INSTATLLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE H...

Page 3: ...anced Research As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into body or b support or sustain life and whose failure to perform whe...

Page 4: ...ind the answer gather all the information or questions that apply to your problem and with the product close at hand call your dealer Our dealers are well trained and ready to give you the support you...

Page 5: ...nt materials service time and freight Please consult your dealer for more details If you think you have a defective product follow these steps 1 Collect all the information about the problem encounter...

Page 6: ...de 21 1 6 8 USB 2 0 21 1 6 9 VIA VT1616 Audio Codec 21 1 6 10 Chrontel CH7009A TV DVI Transmitter 22 1 6 11 Ethernet 23 1 6 12 Winbond W83627HF 25 1 6 13 Compact Flash Interface 25 2 Hardware Configur...

Page 7: ...OM3 52 2 4 21 Digital Input Output Connector JDIO1 53 2 4 22 Front Panel Connector JFP1 54 2 4 23 IrDA Connector JIR1 55 2 4 24 LVDS Connector JLVDS1 56 2 4 25 Miscellaneous Setting Connector JMISC1 5...

Page 8: ...dix A BIOS Revisions 98 Appendix B AWARD BIOS POST Messages 99 Overview 100 Post Beep 100 Error Messages 100 1 CMOS BATTERY HAS FAILED 100 2 CMOS CHECKSUM ERROR 100 3 DISK BOOT FAILURE INSERT SYSTEM D...

Page 9: ...ard In Slot PLEASE RUN EISA CONFIGURATION UTILITY 104 28 FLOPPY DISK S fail 80 Unable to reset floppy subsystem 104 29 FLOPPY DISK S fail 40 Floppy Type dismatch 104 30 Hard Disk s fail 80 HDD reset f...

Page 10: ...onic components in a static dissipative surface or static shielded bag when they are not in the chassis 1 2 Packing List Before you begin installing your single board please make sure that the followi...

Page 11: ...User s Manual MX855E MX852E C10 Series User s Manual 11 1 3 Document Amendment History Revision Date By Comment 1st Nov 2005 Vicky Lin Initial Release 2nd Jan 2006 Vicky Lin 1 MX852E C10 series added...

Page 12: ...fully before attempting to interface with MX855E MX852E C10 series or change the standard configurations Whilst all the necessary information is available in this manual we would recommend that unless...

Page 13: ...F AW System Memory One 184 pin DIMM socket supports up to 1 GB DDR 266 333 SDRAM SSD One CompactFlash Type I II socket Watchdog Timer Reset 1 sec 255 min and 1 sec or 1 min step H W Status Monitor Mon...

Page 14: ...supports both NTSC PAL Supports both S Video and composite video Built in Touch Screen Optional Chipset PenMount DMC9000 Touch Screen Interface With 9 pin 2 mm box header can be selected with 4 5 8 wi...

Page 15: ...A 5VSB 0 18 A 5 V 0 01 A 12 V 0 01 A with Intel Pentium M 1 8 GHz 1 GB DDR SDRAM 5 V 3 34 A 12 V 0 09 A 3 3 V 3 74 A 5 Vsb 0 23 A with Intel Celeron M 1 0 GHz 1 GB DDR SDRAM N A Power Type AT ATX Ope...

Page 16: ...5E MX852E C10 Series 16 MX855E MX852E C10 Series User s Manual 1 6 System Specifications 1 6 1 Block Diagram The following block diagram shows the architecture and main components of MX855 1 6 1 1 MX8...

Page 17: ...st below Display Core frequency at 133 MHz 200 MHz or 250 MHz Render Core frequency at 100 MHz 133 MHz 166 MHz 200 MHz or 250 MHz System memory supports 200 266 333 MHz SSTL_2 DDR SDRAM Enhanced Power...

Page 18: ...out encoder etc the GMCH provides a high speed interface to a digital or analog display e g flat panel TV monitor etc The DVO ports are connected to an external display device Examples of this are TV...

Page 19: ...contains the following functionality Supports single Intel processor configurations at 400 MHz or 3 GB s 1 2 1 30 V AGTL host bus supporting 32 bit host bus addressing with Enhanced Intel SpeedStep t...

Page 20: ...mproving I O transfer rates and enabling faster O S load time resulting in accelerated boot times Communication and Network Riser CNR offers flexibility in system configuration with a baseline feature...

Page 21: ...ng High speed USB 2 0 allows data transfers up to 480Mb s which is 40 times faster than full speed USB The ICH4 also contains three Universal Host Controller Interface UHCI controllers that support US...

Page 22: ...ize and transmit data The CH7009 comes in versions able to drive a DVI display at a pixel rate of up to 165MHz supporting UXGA resolution displays No scaling of input data is performed on the data out...

Page 23: ...r is applied and the main power remains off the RTL8100C L is ready and waiting for a Magic Packet or Link Change to wake the system up Also the LWAKE pin provides 4 output signals active high active...

Page 24: ...odern operating systems that are capable of Operating System directed Power Management OSPM to achieve the most efficient power management possible PCI Message Signaled Interrupt MSI is also supported...

Page 25: ...input 1 6 13 Compact Flash Interface A Compact Flash type II connector is connected to the secondary IDE controller The Compact Flash storage card is IDE compatible It is an ideal replacement for stan...

Page 26: ...MX855E MX852E C10 Series 26 MX855E MX852E C10 Series User s Manual 2 Hardware Configuration...

Page 27: ...User s Manual MX855E MX852E C10 Series User s Manual 27 2 1 Product Overview 2 1 1 MX855E...

Page 28: ...MX855E MX852E C10 Series 28 MX855E MX852E C10 Series User s Manual 2 1 2 MX852E C10...

Page 29: ...ure The Integrated Peripheral Setup and the Standard CMOS Setup Window must be entered and configured correctly to match the particular system configuration 7 If TFT panel display is to be utilized ma...

Page 30: ...the heat sink Place the CPU Fan Connector Note Make sure the CPU fan and heat sink assembly and the CPU top surface are in total contact to avoid CPU overheating problem that would cause the system to...

Page 31: ...MX852E C10 provide one 184 pin DIMM socket to support DDR SDRAM The total maximum memory size is 1GB Make sure to unplug the power supply before adding or removing DIMMs or other system components Fai...

Page 32: ...h extra force as the DIMM module only fit in one direction To remove the DIMM modules push the two ejector tabs on the slot outward simultaneously and then pull out the DIMM module Note 1 Please do no...

Page 33: ...A pair of needle nose pliers may be helpful when working with jumpers Connectors on the board are linked to external devices such as hard disk drives a keyboard or floppy drives In addition the board...

Page 34: ...itch 2 54mm IDE_2 Secondary IDE connector 22 x 2 header pitch 2 0mm JBKL1 LCD inverter connector 5 x 1 wafer pitch 2 0mm JCD1 CD ROM audio input connector 4 x 1 wafer pitch 2 0mm JCOM1 Serial port 2 c...

Page 35: ...MX852E C10 Series User s Manual 35 Connectors Label Function Note KB_MS1 PS 2 Keyboard mouse connector 6 pin Mini DIN x 2 MPCI1 Mini PCI slot PCI1 PCI slot S_FAN1 S_FAN2 System fan connector 1 2 3 x...

Page 36: ...X855E MX852E C10 Series 36 MX855E MX852E C10 Series User s Manual 2 4 Setting Jumpers Connectors 2 4 1 Clear CMOS JBAT1 Default Protect Clear CMOS 2 4 2 COM1 Pin 9 Signal Select JP1 Default Ring 5V 12...

Page 37: ...User s Manual MX855E MX852E C10 Series User s Manual 37 2 4 3 COM1 RS 232 422 485 Select JP2 JP3 Default JP2 RS 232 RS 422 RS 485 JP3 RS 232 RS 422 RS 485 JP2 JP3...

Page 38: ...5 8 wire Touch Screen Select SW1 Optional Default Wire BIT1 BIT2 4 8 OFF ON 5 ON OFF 2 4 5 ATX Power Connector ATXPWR1 Signal PIN PIN Signal 12V 10 20 5V VCCSB 9 19 5V PWROK 8 18 5V GND 7 17 GND 5V 6...

Page 39: ...anual MX855E MX852E C10 Series User s Manual 39 2 4 6 CPU Fan Connector C_FAN1 Signal PIN TAC 3 12V 2 GND 1 2 4 6 1 Signal Description CPU Fan Connector C_FAN1 Signal Signal Description TAC Fan speed...

Page 40: ...scription VGA Connector CN1 Signal Signal Description HSYNC CRT horizontal synchronisation output VSYNC CRT vertical synchronisation output DCK Display Data Channel Clock Used as clock signal to from...

Page 41: ...signal receives serial data from the communication link DTR Data Terminal Ready This signal indicates to the modem or data set that the on board UART is ready to establish a communication link DSR Dat...

Page 42: ...n RS 422 Mode CN1 Signal Signal Description TxD Serial output This differential signal pair sends serial data to the communication link Data is transferred from Serial Port 2 Transmit Buffer Register...

Page 43: ...e one used by the connected peripheral as this may damage CPU board and or peripheral The transmitter drivers in the port are short circuit protected by a thermal protection circuit The circuit disabl...

Page 44: ...0 1 4 5 Connectors CN3 CN4 Port Description RJ 45 Allows connection to a Local Area Network LAN through a network hub USB 2 0 For connecting USB port 0 1 CN4 4 5 CN3 2 4 13 4 5 8 Wire Touch Screen Con...

Page 45: ...FLP1 Signal PIN PIN Signal GND 1 2 REDWC GND 3 4 NC GND 5 6 NC GND 7 8 INDEX GND 9 10 MOTSA GND 11 12 DRVSB GND 13 14 DRVSA GND 15 16 MOTEB GND 17 18 DIR GND 19 20 STEP GND 21 22 WDATA GND 23 24 WGAT...

Page 46: ...This output signal selects side of the disk in the selected drive DIR Direction of the head step motor An open drain output Logic 1 outward motion Logic 0 inward motion STEP Step output pulses This ac...

Page 47: ...T 1 2 GND PDD7 3 4 PDD8 PDD6 5 6 PDD9 PDD5 7 8 PDD10 PDD4 9 10 PDD11 PDD3 11 12 PDD12 PDD2 13 14 PDD13 PDD1 15 16 PDD14 PDD0 17 18 PDD15 GND 19 20 NC PDREQ 21 22 GND PDIOW 23 24 GND PDIOR 25 26 GND PI...

Page 48: ...GND SDD7 3 4 SDD8 SDD6 5 6 SDD9 SDD5 7 8 SDD10 SDD4 9 10 SDD11 SDD3 11 12 SDD12 SDD2 13 14 SDD13 SDD1 15 16 SDD14 SDD0 17 18 SDD15 GND 19 20 NC SDREQ 21 22 GND SDIOW 23 24 GND SDIOR 25 26 GND SIORDY 2...

Page 49: ...DE port addresses IOW IDE I O Write Each signal is asserted on write accesses to corresponding the IDE port addresses IORDY When deasserted these signals extend the transfer cycle of any host register...

Page 50: ...ters with adjustable Backlight function it is possible to control the LCD brightness through the VR signal controlled by JMISC Please see the JMISC section for detailed circuitry information 2 4 17 1...

Page 51: ...CD1 Signal PIN CD_L 1 GND 2 GND 3 CD_R 4 2 4 18 1 Signal Description CD ROM Audio Input Connector JCD1 Signal Signal Description CD_R Right CD IN signal CD_L Left CD IN signal 2 4 19 Serial Port 2 Con...

Page 52: ...al receives serial data from the communication link DTR Data Terminal Ready This signal indicates to the modem or data set that the on board UART is ready to establish a communication link DSR Data Se...

Page 53: ...2 DIO3 7 8 DIO13 DIO4 9 10 DIO14 DIO5 11 12 DIO15 DIO6 13 14 DIO16 DIO7 15 16 DIO17 SMB_CLK_S 17 18 SMB_DATA_S GND 19 20 5V 2 4 21 1 Signal Description Digital Input Output Connector JDIO1 Signal Sign...

Page 54: ...SYS_LED GND 3 4 SYS_LED HDD_LED 5 6 PWR_LED HDD_LED 7 8 PWR_LED VCCSB 9 10 SUS_LED PWR_BUT 11 12 SUS_LED SUS_BUT 13 14 SPK GND 15 16 SPK 2 4 22 1 Signal Description Front Panel Connecter JFP1 PIN No...

Page 55: ...0 Series User s Manual 55 2 4 23 IrDA Connector JIR1 Signal PIN 5V 1 NC 2 IRRX 3 GND 4 IRTX 5 2 4 23 1 Signal Description IrDA Connecter JIR1 Signal Signal Description IRRX Infrared Receiver input IRT...

Page 56: ...out0 22 21 E_Txout1 E_Txout0 24 23 E_Txout1 GND 26 25 GND E_Txout2 28 27 E_Txout3 E_Txout2 30 29 E_Txout3 GND 32 31 GND Txclk 34 33 E_Txclk Txclk 36 35 E_Txclk GND 38 37 GND 12V 40 39 12V 2 4 24 1 Sig...

Page 57: ...GND 3 4 THRMDN 5V 5 6 5V VR 7 8 MASTER GND 9 10 GND 2 4 25 1 Signal Description Miscellaneous Setting Connecter JMISC1 PIN No Description 1 3 Case open detection 5 7 9 LCD brightness setting VCC JBKL...

Page 58: ...tial outputs for data channel 2 red HPDET I Hot Plug Detect internal pull down This input pin determines whether the DVI is connected to a DVI monitor When terminated the monitor is required to apply...

Page 59: ...ned to drive a 75 ohm doubly terminated load The output can be selected to be S video luminance or green TVCFCC2 Chroma Green Output This pin outputs a selectable video signal The output is designed t...

Page 60: ...l for USB channel 2 Clock is transmitted along with the data using NRZI encoding The signalling bit rate is up to 12 Mbs D3 D3 Differential bi directional data signal for USB channel 3 Clock is transm...

Page 61: ...MS1 Port Description Mouse PS 2 Mouse connector Keyboard PS 2 Keyboard connector 2 4 31 System Fan Connector 1 2 S_FAN1 S_FAN2 Signal PIN TAC 3 12V 2 GND 1 2 4 31 1 Signal Description System Fan Conne...

Page 62: ...MX855E MX852E C10 Series 62 MX855E MX852E C10 Series User s Manual 3 BIOS Setup...

Page 63: ...in one of two ways By pressing Del immediately after switching the system on or By pressing the Del key when the following message appears briefly at the bottom of the screen during the POST Power On...

Page 64: ...r make changes PgDn key Decrease the numeric value or make changes key Increase the numeric value or make changes key Decrease the numeric value or make changes F1 key General help only for Status Pag...

Page 65: ...after making and saving system changes with Setup you discover that your computer no longer is able to boot the AwardBIOS supports an override to the CMOS settings which resets your system to its defa...

Page 66: ...nd two exit choices Use the arrow keys to select among the items and press Enter to accept and enter the sub menu Note that a brief description of each highlighted selection appears at the bottom of t...

Page 67: ...S Set the system time IDE Primary Master IDE Primary Slave IDE Secondary Master IDE Secondary Slave Options are in 3 5 1 2 Press Enter to enter the sub menu of detailed options Drive A Drive B None 36...

Page 68: ...control the hard disk drive Use a separate sub menu to configure each hard disk drive The below table will shows the IDE primary master sub menu Item Options Description IDE HDD Auto detection Press...

Page 69: ...ed and someone attempt to write data into this area BIOS will show a warning message on screen and alarm beep Item Description Enabled Activates automatically when the system boots up causing a warnin...

Page 70: ...rive B to logical drive A Disabled No change 3 5 2 7 Book Up Floppy Seek Seeks disk drives during boot up Disabling seeds boot up Item Description Enabled Enable Floppy Seek Disabled Disable Floppy Se...

Page 71: ...the version of the Multi Processor Specification MPS that the board will use The choice 1 4 1 1 3 5 2 14 OS Select for DRAM 64MB Select the operating system that is running with greater than 64MB of R...

Page 72: ...ccess to dynamic random access memory DRAM The default timings have been carefully chosen and should only be altered if data is being lost Such a scenario might well occur if your system had mixed spe...

Page 73: ...ler will also be able to detect double bit errors though it will not be able to correct them This provides increased data integrity and system stability The choices Non ECC ECC 3 5 3 7 MGM Core Freque...

Page 74: ...tion should be enabled for better performance and to meet PCI 2 1 specifications Disable it only if your PCI cards cannot work properly or if you are using an ISA card that is not PCI 2 1 compliant Th...

Page 75: ...ripherals Use this menu to specify your settings for integrated peripherals 3 5 4 1 OnChip IDE Device The chipset contains a PCI IDE interface with support for two IDE channels Select Enabled to activ...

Page 76: ...ach device IDE Primary Master UDMA IDE Primary Slave UDMA IDE Secondary Master UDMA IDE Secondary Slave UDMA Auto Disabled Ultra DMA implementation is possible only if your IDE hard drive supports it...

Page 77: ...User s Manual MX855E MX852E C10 Series User s Manual 77 3 5 4 3 Super IO Device...

Page 78: ...Port Mode SPP EPP ECP Normal ECP EPP Select an operating mode for the onboard parallel port Select Compatible or Extended unless you are certain both your hardware and software support EPP or ECP mode...

Page 79: ...or degree of power saving and is directly related to the following modes Item Description Min Power Saving Minimum power management HDD Power Down 15 Min Max Power Saving Maximum power management HDD...

Page 80: ...he choices Enable Disabled 3 5 5 10 Power On By Ring This determines whether the system boot up if there s an incoming call from the Modem The choices Enable Disabled 3 5 5 11 Resume By Alarm This fun...

Page 81: ...Extended System Configuration Data ESCD when you exit Setup if you have installed a new add on and the system reconfiguration has caused such a serious conflict that the operating system cannot boot...

Page 82: ...MX855E MX852E C10 Series User s Manual 3 5 7 PC Health Status This section shows the status of your CPU Fan System 3 5 7 1 Case Open Warning This item allows to enable the case open warning function T...

Page 83: ...Enable Disable 3 5 8 2 Spread Spectrum This item is to adjust extreme values of the pulse for EMI test The choices Enable Disable 3 5 8 3 CPU Host 3V66 PCI Clock These options allow you to set CPU Hos...

Page 84: ...ult values for the most stable minimal performance system operations 3 5 10 Load Optimized Defaults Use this menu to load the BIOS default values that are factory settings for optimal performance syst...

Page 85: ...assword up to eight characters in length and press Enter The password typed now will clear any previously entered password from CMOS memory You will be asked to confirm the password Type the password...

Page 86: ...ter You determine when the password is required within the BIOS Features Setup Menu and its Security option see Section 3 If the Security option is set to System the password will be required both at...

Page 87: ...User s Manual MX855E MX852E C10 Series User s Manual 87 3 5 13 Exit Without Save Abandon all CMOS value changes and exit setup and the system is restarted after exiting...

Page 88: ...10 Series 88 MX855E MX852E C10 Series User s Manual 4 Drivers Installation Note Installation procedures and screen shots in this section are for your reference and may not be exactly the same as shown...

Page 89: ...page of BCM products automatically If not locate Index htm and choose the product from the menu left or link to Driver_Chipset Intel 855GM Note The installation procedures and screen shots in this se...

Page 90: ...products automatically If not locate Index htm and choose the product from the menu left or link to Driver_Chipset Intel 852GM Note The installation procedures and screen shots in this section are ba...

Page 91: ...BCM products automatically If not locate Index htm and choose the product from the menu left or link to Driver_Video Intel 855GM Note The installation procedures and screen shots in this section are...

Page 92: ...products automatically If not locate Index htm and choose the product from the menu left or link to Driver_Video Intel 82852GM WinXP_2k Note The installation procedures and screen shots in this secti...

Page 93: ...nd choose the product from the menu left or link to Driver_Audio VIA VT1616 Note The installation procedures and screen shots in this section are based on Windows XP operation system Step 3 Select Ins...

Page 94: ...omatically If not locate Index htm and choose the product from the menu left or link to Driver_Network Realtek RTL810x_813X Family Note The installation procedures and screen shots in this section are...

Page 95: ...automatically If not locate Index htm and choose the product from the menu left or link to D Driver_Gigabit Realtek RTL8110S Note The installation procedures and screen shots in this section are base...

Page 96: ...MX855E MX852E C10 Series 96 MX855E MX852E C10 Series User s Manual 5 Measurement Drawing...

Page 97: ...User s Manual MX855E MX852E C10 Series User s Manual 97 5 1 MX855E MX852E C10 Unit mm...

Page 98: ...MX855E MX852E C10 Series 98 MX855E MX852E C10 Series User s Manual Appendix A BIOS Revisions BIOS Rev New Features Bugs Problems Solved Known Problems Unit mm...

Page 99: ...User s Manual MX855E MX852E C10 Series User s Manual 99 Appendix B AWARD BIOS POST Messages...

Page 100: ...ects an error during the POST This list includes messages for both the ISA and the EISA BIOS 1 CMOS BATTERY HAS FAILED CMOS battery is no longer functional It should be replaced 2 CMOS CHECKSUM ERROR...

Page 101: ...rmly in the slot 8 EISA Configuration Is Not Complete PLEASE RUN EISA CONFIGURATION UTILITY The slot configuration information stored in the EISA non volatile memory is incomplete Note When either of...

Page 102: ...location You can use this location along with the memory map for your system to find and replace the bad memory chips 15 Memory parity Error at Indicates a memory parity error at a specific location...

Page 103: ...D Note When either of these errors appears the system will boot in ISA mode which allows you to run the EISA Configuration Utility 24 Should Have EISA Board But Not Found PLEASE RUN EISA CONFIGURATION...

Page 104: ...l 20 HDD initialization error 33 Hard Disk s fail 10 Unable to recalibrate fixed disk 34 Hard Disk s fail 08 Sector Verify failed 35 Keyboard is locked out Unlock the key BIOS detect the keyboard is l...

Page 105: ...the memory refresh function is working properly C1 Memory Presence First block memory detect OEM Specific Test to size on board memory Early chip set initialization Memory presence test OEM chip set...

Page 106: ...erved 12 Cmos Check Check Cmos Circuitry and reset CMOS 13 Reserved 14 Chipset Default load Program the chipset registers with CMOS values 15 Reserved 16 Clock Init Init onboard clock generator 17 Res...

Page 107: ...tup 2E Reserved 2F Reserved 30 Reserved 31 Reserved 32 Reserved 33 PS2 Mouse setup Setup PS2 Mouse and reset KB 34 Reserved 35 Test DMA Controller 0 Test DMA Controller 0 36 Reserved 37 Test DMA Contr...

Page 108: ...ed 4D Reserved 4E Test Base and Extended Memory Test base memory from 256K to 640K and extended memory above 1MB using various patterns NOTE This test is skipped in EISA mode and can be skipped with E...

Page 109: ...ed 6B Setup Entering Enter setup check and auto configuration check up 6C Reserved 6D Initialize Floppy Drive Controller Initialize floppy disk drive controller and any drives 6E Reserved 6F FDD insta...

Page 110: ...re boot 85 Initialize Option ROMs Initialize any option ROMs present from C8000h to EFFFFh NOTE When FSCAN option is enabled ROMs initialize from C8000h to F7FFFh 86 Reserved 87 Reserved 88 Reserved 8...

Page 111: ...d CMOS Init Verifies CMOS is working correctly detects bad battery If failed load CMOS defaults and load into chipset Final Initial KBC and setup BIOS data area 68 Video Init Read CMOS location 14h to...

Page 112: ...6 Reserved 77 Display POST error Check POST error and display them and ask for user intervention Ask password security optional 78 CMOS and Option ROM Init Write all CMOS values back to RAM and clear...

Page 113: ...working correctly detects bad battery If failed load CMOS defaults and load into chipset 60 KBC final Init Final Initial KBC and setup BIOS data area 61 Initialize Video Interface Read CMOS location 1...

Page 114: ...ption 1 Base memory test Clear base memory area 0000 0000 9000 ffffh 5 KB init Initialized KBC 12 Install interrupt vectors Install int vector 0 77 and initialized 00 1fh to their proper place 0D Init...

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