RadiSys CE915GM Page 52 Product Manual Download

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System Resources

48h

Verifies the hardware configuration and notes whether the system has color or monochrome
video.

49h

Initializes the Plug and Play, and PCI.

4Ah

Initializes the video device.

4Bh

Initializes QuietBoot (splash screen).

4Ch

Shadows video BIOS ROM.

4Eh

Displays the copyright message.

4Fh

Allocates storage for Multiboot tables.

50h

Displays the CPU type and speed.

52h

Initializes and Configures the Keyboard & PS/2 Mouse.

55h

Configures USB devices.

58h

Tests hot interrupts

59h

Initializes the POST display service.

5Ah

Displays “Press F2 for Setup“prompt.

5Bh

Disables L1 cache.

5Ch

Determines size of conventional memory.

60h

Performs memory tests on extended RAM.

62h

Preforms address tests on extended RAM.

66h

Configures MTRR for extended memory caching.

67h

Initializes the non-primary processors.

68h

Enables cache(s).

69h

Initializes SMM, SMRAM and SMI code.

6Ah

Displays cache size.

6Ch

Displays BIOS shadow status.

6Eh

Zeroes un-initialized extended memory with cache on.

70h

Displays any errors found.

72h

Checks bad configuration.

76h

Reports if there was a Keyboard or Controller failures.

7Ch

Initializes hardware interrupt vectors.

7Eh

Coprocessor initialization.

81h

POST device initialization.

82h

Initializes RS232 devices.

83h

Configures non-MCD IDE controllers.

84h

Initializes parallel port(s).

85h

Configures PC Compatible Plug and Play ISA devices.

87h

Initializes MCDs (motherboard configurable devices).

88h

Initializes time-outs, key buffer, soft reset flag, and shadow RAM.

89h

Enables NMIs.

8Ah

Initializes extended BIOS data area.

8Bh

Sets up PS/2 mouse interrupt & initialize extended BDA.

8Ch

Initializes legacy floppy disk drive(s).

90h

Tests hard disks.

91h

Programs timing registers according to PIO modes.

Checkpoint Code Description

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Summary of Contents for CE915GM

Page 1: ...www radisys com PROCELERANT CE915GM COM EXPRESS MODULE PRODUCT MANUAL 007 02532 0004 August 2010 CE915GMA CE915GME Downloaded from Arrow com ...

Page 2: ...leron are registered trademarks Micron is a registered trademark of Micron Technology Inc Microsoft Windows and Windows XP are registered trademarks of Microsoft Corporation Red Hat and Red Hat Linux are registered trademarks of Red Hat Inc Linux is a registered trademark of Linus Torvalds Phoenix is a registered trademark and TrustedCore is a trademark of Phoenix Technologies Broadcom is a regist...

Page 3: ...mponent height between module and carrier board 16 Physical interfaces 16 Electrical 17 Module power consumption 17 General Purpose I O GPIO power consumption 20 Thermal design power 21 Regulatory compliance 21 Environmental compliance 21 EMC compliance 22 Safety compliance 22 Industry compliance 22 MTBF reliability prediction 22 Chapter 3 Hardware Reference 23 General specifications 23 Block diag...

Page 4: ...s interface 31 SATA controller 31 PCI interface 31 IDE 32 USB controller 32 Real time clock RTC 32 Firmware hub 32 10 100 1000BASE T Ethernet controller 33 Thermal sensor 33 Power management 33 Advanced Configuration and Power Interface ACPI 33 ACPI wake up 34 BIOS operation mode configuration 34 Miscellaneous indicators 35 Reset LED 35 POST LED 35 Chapter 4 Thermal Solutions 37 Active heatsinks 3...

Page 5: ... COM Express Module Pinout Definitions 45 Type 2 pinout definitions 45 Appendix B System Resources 49 PCI resource allocation 49 Interrupts and GPIOs to CR100 carrier board 49 BIOS organization and system memory map 50 POST checkpoint codes 50 POST 80 codes 50 Error message codes 56 Appendix C Industry Standard References 59 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow...

Page 6: ...6 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 7: ... Carrier design guidelines and thermal validation procedures The Procelerant CE915GM COM Express Carrier Board Design Guidelines describes specific considerations and guidelines for designing a carrier board to use with the COM Express module When referenced in this manual the simplified name of Carrier Board Design Guidelines will be used Qualified memory list The CE915GMA Qualified Memory List p...

Page 8: ...gradation or reduced operating life To avoid ESD damage the following precautions are strongly recommended Keep each module PCB in its ESD shielding bag until you are ready to install it Before touching a module attach an ESD wrist strap to your wrist and connect its other end to a known ground Handle the module only in an area that has its working surfaces floor coverings and chairs connected to ...

Page 9: ...tuations and performance upgrades in addition to streamlining service and repair inventories The CE915GMA series modules are designed around the Intel Celeron M and Pentium M processors mobile 915GM 915GME Express chipset and ICH6 M chipset and supports Microsoft Windows XP Windows XP Embedded and Red Hat Desktop Linux operating systems Note The CE915GME module uses the Intel 915GME chipset which ...

Page 10: ...t speader are specifically designed for CE915GM modules SeeChapter 4 Thermal Solutions on page 37 for detailed information Table 1 CE915GM product codes Product series Product code Intel platform SDRAM Operating temperature CE915GMA CE760A 0 Intel 2 2GHz Pentium M 760 processor Mobile Intel 915GM chipset None 0 C to 60 C CE738A 0 Intel 1 4GHz LV Pentium M 738 processor Mobile Intel 915GM chipset N...

Page 11: ...le Intel 915GM Express chipset Header for clearing CMOS and recovering BIOS Reset LED D4 POST LED D5 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 12: ...from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 13: ... tolerance of the locating peg holes on the board to board interconnector dimensions 16 50 6 00 and 16 50 18 00 is 0 10mm Figure 4 Basic form factor 95 00 3 740 91 00 3 583 91 00 3 583 0 000 000 0 18 00 709 6 00 236 4 00 157 Pin D1 Pin A1 125 00 4 921 121 00 4 764 80 00 3 150 16 50 650 4 00 157 Board to board interconnector is on opposite side of the board Downloaded from Arrow com Downloaded from...

Page 14: ...21 4 76 122 1 4 81 104 1 4 10 86 1 3 39 56 5 2 23 47 6 1 88 Max SO DIMM height 30 1 181 DDR2 200 pin 1 8V Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Download...

Page 15: ...Max height bottom side components GMCH Graphics and Memory Controller Hub BGA height 2 60 102 Max 2 24 088 Min ICH6 M I O Controller Hub BGA height 2 49 098 Max 2 07 081 Min DDR2 SO DIMM socket height 5 3 21 Max 5 0 20 Min Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow...

Page 16: ... slot The 200 pin DDR2 SDRAM SO DIMM memory slot complies with the JEDEC standard For pinout definitions refer to the JEDEC DDR2 Specification at www jedec org Board to board interconnectors The CE915GM board to board interconnector complies with the PICMG COM Express Base Specification Version 1 0 For pinout definitions of the board to board interconnector and required optional features of COM Ex...

Page 17: ...ices attached to the CR100 carrier board Test system configuration All models of the CE915GM module were tested with this system configuration Carrier board Procelerant CR100 FlexATX Memory Micron MT16HTF12864HY 53EB3 DDR2 533MHz CL4 1GB Hard disk Seagate ST3808110AS 80GB Keyboard Logitech Y SJ17 PS 2 Mouse Logitech M SBF83 USB Monitor Dell M992 ATX PSU Segotep SG 400ATX APF Operating system Micro...

Page 18: ...A Current A Watts Specification Min Max 7 5 1 0 Enter DOS Stable 0 43 0 39 1 15 0 034 17 34 Enter BIOS Setup Stable 0 43 0 39 0 86 0 034 13 90 Boot to Windows XP Max 0 43 0 39 1 20 0 034 17 94 At Windows Desktop Idle Stable 0 47 0 39 0 82 0 034 13 51 Running CPU Stress Max 0 47 0 46 1 48 0 034 21 72 Running Windows Stress Max 0 47 0 39 1 40 0 034 20 47 Shutdown from Windows Max 0 47 0 39 1 16 0 03...

Page 19: ...Watts Specification Min Max 7 5 1 0 Enter DOS Stable 0 25 0 65 1 42 0 054 21 39 Enter BIOS Setup Stable 0 25 0 67 1 40 0 055 21 25 Boot to Windows XP Max 0 29 0 74 1 60 0 057 24 14 At Windows Desktop Idle Stable 0 29 0 68 1 06 0 054 17 35 Running CPU Stress Max 0 29 0 68 1 93 0 054 27 79 Running Windows Stress Max 0 29 0 67 1 90 0 054 27 38 Shutdown from Windows Max 0 29 0 67 1 56 0 054 23 30 Powe...

Page 20: ... VIH Input High Voltage VIL 2 2 VIL Input Low Voltage Min Max Min Max GPI0 Input 2 0V 3 6V 0 5V 0 8V GPI1 Input 2 0V 3 6V 0 5V 0 8V GPI2 Input 2 0V 3 6V 0 5V 0 8V GPI3 Input 2 0V 3 6V 0 5V 0 8V GPIO Name Type VOH 1 Min 1 VOH Output High Voltage VOL 2 Max 2 VOL Output Low Voltage IOL 3 IOH 4 3 IOL Input Leakage Current 4 IOH Output High Current GPO0 Output 2 8V 0 4V 4mA 2mA GPO1 Output 2 8V 0 4V 4m...

Page 21: ... to 70 C 33W CE738B 0 1 4GHz LV Pentium M 738 BGA processor without memory 28W Table 2 Environmental specifications Characteristic State Value Temperature ambient 1 1 Ambient temperature de rated 2 C per 1000 feet 300 meters over 6600 ft 2000 meters with sufficient airflow to stay within the temperature specification Operating CE738B 0 CE760A 0 CE738A 0 CE373A 0 CE370A 0 0 C to 60 C de rated 2 C p...

Page 22: ...electrolytic capacitors when available Ground Benign in a controlled environment Level II quality grade on all components Mechanical components are not modeled No burn in or pre testing specified MTTR specified to be 30 minutes No component specific thermal rises or other voltage current stress applied Relex 7 7 modeling software Table 3 MTBF reliability Product code MTBF at 35 C MTBF at 55 C CE73...

Page 23: ...ernal graphics port multiplexed on DVI interface pins Audio Intel High Definition Audio HDA or AC 97 2 3 CODEC Network Standard IEEE 802 3 10 100 1000Base T compliant physical layer interface I O USB Eight USB 2 0 ports SATA Two SATA 150 ports IDE One Ultra ATA100 66 33 port Expansion capabilities PCI Express Three x1 Interfaces PCI PCI 2 3 32 bit 33MHz six logical devices Connectors COM Express 4...

Page 24: ... AC97 AZALIA 5V_STB_INPUT 5V_STB_INPUT GPIO LPC bus 1 PCI Ex1 DMIx4 Hardware Monitor Bus Option bus Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded fro...

Page 25: ...rush current will be higher than this value during system boot on the 5V standby power rail DC 5 ripple 50mV 0 20MHz 3V Battery 6µA 2 0 3 6V Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Page 26: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Page 27: ... temperature can be read over the SMBus at any time The processor must remain within the minimum and maximum junction temperature Tj specifications at the corresponding Thermal Design Power TDP value shown in Table 4 The TDP is not the maximum theoretical power the processor can dissipate Note The TDP specification should be used to design the processor thermal solution The Intel Thermal Monitor s...

Page 28: ...ub GMCH The mobile Intel 915GM and Intel 915GME Express chipsets are Graphics Memory Controller Hub GMCH that delivers high performance integrated graphics and manages the flow of information Designed for use with Pentium M and Celeron M processors the 915GM Express chipset supports System memory DDR DDR2 Intel Graphics Media Accelerator GMA 900 PCI Express based graphics discrete graphics devices...

Page 29: ...CRT LVDS interface TV Out and SDVO output as described in this section as well as digital video display if your carrier board has a DVI chipset Note Actual display options for your system may be limited by the feature set of your particular carrier board PCI Express graphics CE915GM modules support a 16 lane PCI Express slot intended for a PCI Express graphics card Features of the x16 PCI Express ...

Page 30: ...s support these SDVO interfaces SDVO operates concurrently with x1 PCI Express Two SDVO ports can be used SDVO is muxed onto the PCI Express pins Compatible with DVI 1 0 for external digital monitors TV HDTV DVD support Display hot plug support External SDVO components can be used DVI LVDS and TV Out Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

Page 31: ...transfer rates of up to 1 5 Gbps 150 Mbps The SATA controller contains two modes of operation a legacy mode using I O space and an AHCI mode using memory space SATA and PATA can also be used in a combined function mode where the SATA function is used with PATA In this combined function mode AHCI mode is not used Software that uses legacy mode will not have AHCI capabilities PCI interface The ICH6 ...

Page 32: ...s in the configuration space two 8 byte ranges can be locked to read and write accesses This prevents unauthorized reading of passwords or other system security information The RTC also supports a date alarm that allows for scheduling a wake up event up to 30 days in advance rather than just 24 hours in advance Firmware hub A 1MB Firmware Hub FWH is provided on the module The FWH uses the Intel FW...

Page 33: ...g a third party software is required such as SensorEval from National For further information on the L99 chipset and SensorEval software visit the National Semiconductor web site at www national com Power management Advanced Configuration and Power Interface ACPI CE915GM modules support the ACPI 3 0 standard for user managed power via the operating system The extent of ACPI support depends on the ...

Page 34: ...0 Fully operational working G1 S32 2 G1 S3 Standby Suspend to RAM Main memory is still powered This state allows the resumption of work exactly where it was left at the start of standby G1 S43 3 G1 S4 Non volatile sleep Suspend to disk System context is saved to disk and power removed from all circuits except those required to resume G2 S54 4 G2 S5 Soft off All devices are un powered Memory conten...

Page 35: ...OST display device POST code 59h Off 3 Configure non PC compatible Plug and Play ISA devices PCI IRQs enable PCI devices and ROM scan POST code 98h On 4 Configure ACPI tables for OS use POST code B7h Off 4 Boot to OS via Int19 POST code C0h POST LED on POST LED off Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Down...

Page 36: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Page 37: ... active heatsink 125x94x42mm 12V input 1 Carrier screws M2 5x0 45x4mm pan head used to tighten the carrier board and module 5 Heatsink screws M2 5x0 45x16mm pan head used to tighten the heatsink and module 5 Heatsink spacer M2 5 clear 4 5mm outside diameter 6mm long 1 Module screw M2 5x0 45x12mm pan head used with the heatsink spacer 1 Standoffs M2 5x0 45x5mm hex jam 4 5mm outside diameter 5 Washe...

Page 38: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 39: ...arrier screws M2 5x0 45x4mm pan head used to tighten the carrier board and module 5 Heatsink screws M2 5x0 45x16mm pan head used to tighten the heatsink and module 5 Heatsink spacer M2 5 clear 4 5mm outside diameter 6mm long 1 Module screw M2 5x0 45x12mm pan head used with the heatsink spacer 1 Standoffs M2 5x0 45x5mm hex jam 4 5mm outside diameter 5 Washers 2 5mm inside diameter spring lock used ...

Page 40: ...ownloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded ...

Page 41: ...ow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Page 42: ... RadiSys product code CE TIM which phase changes at 58 C Table 6 shows the recommended providers of thermal interface materials For detailed instructions on how to apply the thermal interface material and install the cooling system refer to the Quick Start Guide Table 6 Recommended thermal interface materials Manufacturer Part Number Description Power devices Thermstrate TC Applicator bar phase ch...

Page 43: ...to provide run time services BIOS setup To enter the BIOS setup utility press F2 during POST The system BIOS setup screens and menu options are the standard Phoenix TrustedCore BIOS screens including CE915GM extensions Use the up down left and right arrow keys on your keyboard to navigate to appropriate menu options Online help is provided in the BIOS setup to explain options After you have comple...

Page 44: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Page 45: ...25 PCI_AD7 A26 SATA_RX D26 SATA3_RX C26 PCI_AD4 D26 PCI_C BE0 A27 BATLOW B27 WDT C27 PCI_AD6 D27 PCI_AD9 A28 ATA_ACT B28 AC_SDIN2 C28 PCI_AD8 D28 PCI_AD11 A29 AC_SYNC B29 AC_SDIN1 C29 PCI_AD10 D29 PCI_AD13 A30 AC_RST B30 AC_SDIN0 C30 PCI_AD12 D30 PCI_AD15 A31 GND FIXED B31 GND FIXED C31 GND FIXED D31 GND FIXED A32 AC_BITCLK B32 SPKR C32 PCI_AD14 D32 PCI_PAR A33 AC_SDOUT B33 I2C_CK C33 PCI_C BE1 D3...

Page 46: ...65 PEG_RX4 D65 PEG_TX4 A66 GND B66 WAKE0 C66 PEG_RX4 D66 PEG_TX4 A67 GPI2 B67 WAKE1 C67 RSVD D67 GND A68 PCIE_TX0 B68 PCIE_RX0 C68 PEG_RX5 D68 PEG_TX5 A69 PCIE_TX0 B69 PCIE_RX0 C69 PEG_RX5 D69 PEG_TX5 A70 GND FIXED B70 GND FIXED C70 GND FIXED D70 GND FIXED A71 LVDS_A0 B71 LVDS_B0 C71 PEG_RX6 D71 PEG_TX6 A72 LVDS_A0 B72 LVDS_B0 C72 PEG_RX6 D72 PEG_TX6 A73 LVDS_A1 B73 LVDS_B1 C73 SDVO_DATA D73 SDVO_...

Page 47: ...4 VCC_12V D104 VCC_12V A105 VCC_12V B105 VCC_12V C105 VCC_12V D105 VCC_12V A106 VCC_12V B106 VCC_12V C106 VCC_12V D106 VCC_12V A107 VCC_12V B107 VCC_12V C107 VCC_12V D107 VCC_12V A108 VCC_12V B108 VCC_12V C108 VCC_12V D108 VCC_12V A109 VCC_12V B109 VCC_12V C109 VCC_12V D109 VCC_12V A110 GND FIXED B110 GND FIXED C110 GND FIXED D110 GND FIXED Table 7 Board to board interconnector pinout definitions ...

Page 48: ...ded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from A...

Page 49: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded f...

Page 50: ...and ISA bus aliased not cacheable 000E 0000 000F FFFF System BIOS shadow Yes 1 MB to 512 MB 0010 0000 0FFF FFFF DRAM 511 MB Yes2 2 If no DRAM and ISA bus aliased not cacheable 512 MB to Top 1 MB 1000 0000 FFEF FFFF ISA bus aliased No Top 1 MB FFF0 0000 FFFF FFFF System ROM 1MB flash boot device No Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow c...

Page 51: ...TC S2D 36h Vector to the proper shutdown routine 38h Shadows system BIOS ROM 3Ah Auto sizes the external cache 3Ch Advanced chipset configuration 3Dh Alternates register configuration 42h Initializes interrupt vectors 45h POST device initialization 46h Verifies that the copyright message is intact Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow c...

Page 52: ...er soft reset flag and shadow RAM 89h Enables NMIs 8Ah Initializes extended BIOS data area 8Bh Sets up PS 2 mouse interrupt initialize extended BDA 8Ch Initializes legacy floppy disk drive s 90h Tests hard disks 91h Programs timing registers according to PIO modes Checkpoint Code Description Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Page 53: ... longer in POST C6h Installs console redirection module C7h Removes the COM port address used by console redirection from BDA C8h Performs A20 Test C9h Checksum the entire BIOS and do a flash recovery if necessary CCh Restores the memory configuration CDh Reclaims console vectors after HW vectors initialized Checkpoint Code Description Downloaded from Arrow com Downloaded from Arrow com Downloaded...

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Page 55: ...sticks present have the same sided ness ECh At least one DIMM stick present is in neither x8 nor x16 format EDh Invalid memory configuration generic Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from A...

Page 56: ...ow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Dow...

Page 57: ...om Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow c...

Page 58: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 59: ...g Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Download...

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