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- 4 -

Appendix

Each peripheral device in the system is assigned a set of I/O port addresses 

which also becomes the identity of the device.

The following table lists the I/O port addresses used.

4.1  I/O Port Address Map

Address

Device Description

00000022 - 0000003F

PCI bus

00000044 - 00000047

PCI bus

0000004C - 0000006F

PCI bus

00000060 - 00000060

PC/AT Enhanced PS/2 Keyboard

00000064 - 00000064

PC/AT Enhanced PS/2 Keyboard

00000072 - 0000007F

PCI bus

00000090 - 00000091

PCI bus

00000093 - 0000009F

PCI bus

000000A2 - 000000BF PCI bus
000000E0 - 000000EF PCI bus
00000100 - 00000CF7

PCI bus

00000170 - 00000177

Secondary IDE Channel

000001F0 - 000001F7

Primary IDE Channel

00000274 - 00000277

ISAPNP Read Data Port

00000279 - 00000279

ISAPNP Read Data Port

000002F8 -000002FF

Communications Port

00000376 - 00000376

Secondary IDE Channel

00000378 - 0000037F

Printer Port

000003B0 - 000003BA Advanced Micro Devices Win 2K/XP Graphics 

Driver

000003C0 - 000003DF Advanced Micro Devices Win 2K/XP Graphics 

Driver

000003F0 - 000003F

Standard Floppy Disk Controller

000003F6 - 000003F6

Primary IDE Channel

000003F7 - 000003F7

Standard Floppy Disk Controller

Summary of Contents for EmModule-621E

Page 1: ...EmModule 621E PC 104 CPU Module User s Manual Version 1 0 2009 11 85 85...

Page 2: ...This page is intentionally left blank...

Page 3: ...ation 9 2 1 Block Diagrams 10 2 2 Jumpers and Connectors 11 Jumpers 13 JSR1 COM2 RS 232 422 485 Mode Selection 13 JBAT1 Clear CMOS Setting 14 Connctors 15 KBM1 Keyboard Mouse Connector 15 LAN1 Fast Et...

Page 4: ...s 27 3 4 Advanced BIOS Features 30 3 5 Advanced Chipset Features 32 3 6 Integrated Peripherals 34 3 7 PNP PCI Configurations 41 3 8 PC Health Status 43 3 9 Load Optimized Defaults 44 3 10 Set Password...

Page 5: ...Introduction 1 Chapter 1 Introduction Chapter 1 Introduction...

Page 6: ...manufacturer 1 2 About User s Manual This User s Manual is intended for experienced users and integrators with hardware knowledge of personal computers If you are not sure about any description in thi...

Page 7: ...dentical battery or a battery type recommended by the manufacturer Do not throw lithium batteries into the trash can It must be disposed of in accordance with local regulations concerning special wast...

Page 8: ...use misuse of or inability to use this product Vendor will not be liable for any claim made by any other related party Vendors disclaim all other warranties either expressed or implied including but...

Page 9: ...ering Information EmModule 621E AMD Geode LX800 PC 104 CPU Module CBK 09 5362 00 Cable Kit 1 x USB Cable 2 x COM Port Cables 1 x FDD Flat Cable 1 x IDE Cable 1 x Parallel Port Cable 1 x Ethernet Cable...

Page 10: ...ash BIOS IDE Interface 1 x Ultra ATA 33 support 2 IDE devices Serial Port 2 x COM Ports 1 x RS 232 port 1 x RS 232 RS 422 RS 485 selectable Parallel Port Floppy 1 x SPP EPP ECP mode 1 x Floppy connect...

Page 11: ...Introduction 1 10 Board Dimensions Unit mm...

Page 12: ...Introduction Unit mm...

Page 13: ...Installation 2 Chapter 2 Installation Chapter 2 Installation...

Page 14: ...ller LAN PH Analog R G B TTL 18 24 bit VGA LCD AMD Geode LX800 CPU 500MHz Memory Bus USB I F IDE ATA I F 1 x IDE1 2 x USB COM1 COM2 LPT1 FDD IrDA KB MS 1 x CF CS5536 AMD Geode W83627 Super IO Controll...

Page 15: ...M1 1 LAN1 2 IDE1 3 COM2 18 LCD1 16 LPT1 CFD1 Bottom side 14 FDD1 12 USB1 11 VGA1 10 IR1 9 PWR1 4 JFRT1 8 LLED1 7 JRS1 6 PC 104 5 CON1 15 10 9 1 2 44 43 9 1 1 2 1 4 1 2 6 5 1 2 C19 B32 A32 D19 1 1 1 1...

Page 16: ...R SO DIMM Socket FDD1 Floppy Disk Drive Connector IDE1 Primary IDE Connector IR1 Infrared IR Connector JFRT1 Front Panel Switches and Indicators KBM1 PS 2 interface Keyboard and Mouse Connector LAN1 E...

Page 17: ...hes between RS 232 or RS 422 485 mode When JRS1 is set to RS 422 or RS 485 mode there will be only 12V output let while JRS1 is set All RS 232 422 482 modes are available on COM2 It can be configured...

Page 18: ...es after the system BIOS has been updated Refer to the following solutions to reset your CMOS setting Solution A 1 Power off the system and disconnect the power cable 2 Place a shunt to short pin 1 an...

Page 19: ...6 pin wafer connector Pin Description 1 KB_DATA 2 GND 3 MS_DATA 4 KB_CLK 5 PS2_VCC 6 MS_CLK LAN1 Fast Ethernet Connector 2 Pin Description Pin Description 10 9 1 2 1 TX 2 TX 3 RX 4 N C 5 N C 6 RX 7 N...

Page 20: ...4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 N C Key 21 REQ 22 GND 23 IO WRITE 24 GND 25 IO READ 26 GND 27 IO READY 28 IDESEL 29 DACK 30 GND 31 IRQ...

Page 21: ...MR A10 IOCHRDY B10 GND D10 DACK5 C10 MEMW A11 AEN B11 SMEMW D11 DREQ5 C11 SD8 A12 SA19 B12 SMEMR D12 DACK6 C12 SD9 A13 SA18 B13 IOW D13 DREQ6 C13 SD10 A14 SA17 B14 IOR D14 DACK7 C14 SD11 A15 SA16 B15...

Page 22: ...and switches to change the computer status Connector type 2 54mm pitch 1x8 pin headers Pin Description 1 2 3 4 5 6 7 8 RES PLED HLED SPK 1 RESET 2 RESET 3 PWRLED 4 PWRLED 5 HDD LED 6 HDD LED 7 SPK OU...

Page 23: ...VGA1 Analog RGB Connector 10 Pin Description Pin Description 16 15 1 2 1 RED 2 GREEN 3 BLUE 4 N C 5 GND 6 GND 7 GND 8 GND 9 N C 10 GND 11 N C Key 12 VDDAT 13 HSYNC 14 VSYNC 15 VDCLK 16 N C IR1 Infrar...

Page 24: ...n Description Pin Description 1 GND 2 DRVDEN0 3 GND 4 N C Key 5 GND 6 DRVDEN1 7 WDATA 8 INDEX 9 WGATE 10 MOA 11 TRACK0 12 DSB 13 WP 14 DSA 15 RDATA 16 MOB 17 HEAD 18 DIR 19 DSKCHG 20 STEP 20 19 1 2 Co...

Page 25: ...PT1 Parallel Port Connector 14 Pin Description Pin Description 1 STROBE 2 AFD 3 PTD0 4 ERROR 5 PTD1 6 INIT 7 PTD2 8 SLIN 9 PTD3 10 GND 11 PTD4 12 GND 13 PTD5 14 GND Key 15 PTD6 16 BUSY 17 PTD7 18 PE 1...

Page 26: ...20 LPD11 19 LPD10 22 LPD13 21 LPD12 24 LPD15 23 LPD14 26 LPD17 25 LPD16 28 LPD19 27 LPD18 30 LPD21 29 LPD20 32 LPD23 31 LPD22 34 GND 33 GND 36 FP_VS 35 DOTCLK 38 FP_HS 37 DE 40 ENVDD 39 BLON Pin Desc...

Page 27: ...2 4 DATA5 29 DATA13 5 DATA6 30 DATA14 6 DATA7 31 DATA15 7 CS 1 32 CD 3 8 GND 33 GND 9 GND 34 IO READ 10 GND 35 IO WRITE 11 GND 36 5V 12 GND 37 IRQ14 13 5V 38 5V 14 GND 39 CSEL 15 GND 40 N C 16 GND 41...

Page 28: ...24 Installation 2 3 The Installation Paths of CD Driver Driver Path CHIPSET Chiset AMD LX ISA ISA ITE8888 LAN Ethernet REALTEK 8100C VGA Graphics AMD LX...

Page 29: ...25 BIOS 3 Chapter 3 BIOS Chapter 3 BIOS...

Page 30: ...e keys You can also restart by turning the system Off and back On again The following message will appear on the screen Press DEL to Enter Setup In general you press the arrow keys to highlight items...

Page 31: ...this option You will need to run the Standard CMOS option however if you change your system hardware configurations such as onboard battery fails or the configuration stored in the CMOS memory was lo...

Page 32: ...mp Write precompensation Landing Zone Landing zone Sector Number of sectors The Access Mode selections are as follows CHS HD 528MB LBA HD 528MB and supports Logical Block Addressing Large for MS DOS o...

Page 33: ...be prompted No errors The system boot will not be halted for any error that may be detected All But Keyboard The system boot will not be halted for a keyboard error it will stop for all other errors...

Page 34: ...sabled First Second Boot Device These fields determine the drive that the system searches first for an operating system The options available include Setting Floppy LS120 HDD 0 SCSI CDROM HDD 1 ZIP100...

Page 35: ...o the System and Setup When you select System the system prompts for the User Password every time you boot up When you select Setup the system always boots up and prompts for the Supervisor Password o...

Page 36: ...ding on the DRAM installed Do not change the values in this field unless you change specifications of the installed DRAM or CPU Setting 2 5 Default 2 Interleave Select It allows you to Use the Interle...

Page 37: ...fault 19 20 21 Output display In order to specify the display devices the system is connected to Setting Flat Panel CRT Default Panel CRT Memory Hole At 15M 16M In order to improve performance certain...

Page 38: ...1 The integrated peripheral controller contains an IDE interface with support for two IDE channels Select Enabled to activate each channel separately Setting Disabled Enabled Default OnChip IDE Device...

Page 39: ...ctly When Auto is selected the BIOS will select the best available mode Setting Auto Default Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 IDE Primary Master Slave UDMA It allows your system to improve disk I O...

Page 40: ...8 IRQ3 Default Parallel Port 378H IRQ7 Default UART Mode Select It determines the UART 2 mode in your computer Setting IrDA ASKIR Normal Default RxD TxD Active Setting Hi Hi Hi Lo Default Lo Hi Lo Lo...

Page 41: ...Mode Setting SPP Default EPP ECP ECP EPP Normal EPP Mode Select Setting EPP1 9 EPP1 7 Default ECP Mode Use DMA Setting 1 3 Default UR2 Duplex Mode Setting Full Half Default Use IR Pins Setting RxD2 T...

Page 42: ...e onboard ISA Decode I O Space 0 1 2 3 4 5 It allows you to allocate system resources to the ISA bridge and to enable the function correctly Setting Disabled Enabled Default Decode I O Speed 0 1 2 3 4...

Page 43: ...emory resources to the ISA bridge and to enable the function correctly Setting Disabled Default Enabled Decode I O Address 0 1 2 3 4 5 15 4 It allows you to allocate an address to the ISA bus The addr...

Page 44: ...ows you to allocate a memory address to the ISA bus The address may range from 0001 to 0FFF Decode Memory Size 0 1 2 3 It allows you to specify the memory size of the ISA bus Setting 16 KB 32 KB 64 KB...

Page 45: ...lt Enabled 3 7 PNP PCI Configurations Resources Controlled By This PnP BIOS can configure all of the boot and compatible devices with the use of a PnP operating system Setting Auto ESCD Default Manual...

Page 46: ...how colors properly It allows you to set whether or not MPEG ISA VESA VGA cards can display with PCI VGA When Enabled a PCI VGA can display with an MPEG ISA VESA VGA card When Disabled a PCI VGA can n...

Page 47: ...43 BIOS 3 8 PC Health Status Current CPU Temperature CPU MEM VCore VCC3 5V 12V VBAT V 5VSB...

Page 48: ...44 BIOS 3 9 Load Optimized Defaults It allows you to load the default values to your system configuration The default setting is optimal and enabled all high performance features...

Page 49: ...sword up to eight characters in length and press Enter And the system confirms your password by asking you to type it again After setting a password the screen automatically returns to the main screen...

Page 50: ...46 BIOS 3 11 Save Exit Setup Typing Y you will quit the setup utility and save all the changes into the CMOS memory Typing N you will return to Setup utility...

Page 51: ...47 BIOS Typing Y will quit the Setup utility without saving the modifications Typing N will return you to Setup utility 3 12 Exit Without Saving...

Page 52: ...0h F000 FFFFh System BIOS Area D000 2000h D000 FFFFh Free space D000 0000h D000 1FFFh LAN ROM C000 E000h CF00 FFFFh Free space C000 0000h C000 DFFFh VGA BIOS A000 0000h B000 FFFFh VGA RAM 0000 0000h 9...

Page 53: ...r Winbond 977 series Super I O chips 0Bh Reserved 0Ch Reserved 0Dh Reserved 0Eh Test F000h segment shadow to see whether it is read write capable or not If test fails keep beeping the speaker 0Fh Rese...

Page 54: ...er 28h Reserved 29h Program CPU internal MTRR P6 PII for 0 640K memory address Initialize the APIC for Pentium class CPU Program early chipset according to CMOS setup Measure CPU speed Invoke video BI...

Page 55: ...nP initialization and assign CSN to every ISA PnP device 58h Reserved 59h Initialize the combined Trend Anti Virus code 5Ah Reserved 5Bh Show message for entering AWDFLASH EXE from FDD optional featur...

Page 56: ...is set ask for password 83H Save all data in stack back to CMOS 84h Initialize ISA PnP boot devices 85h Final USB initialization NET PC Build SYSID structure Switch screen back to text mode Set up AC...

Page 57: ...53 Appendix 4 Chapter 4 Appendix Chapter 4 Appendix...

Page 58: ...091 PCI bus 00000093 0000009F PCI bus 000000A2 000000BF PCI bus 000000E0 000000EF PCI bus 00000100 00000CF7 PCI bus 00000170 00000177 Secondary IDE Channel 000001F0 000001F7 Primary IDE Channel 000002...

Page 59: ...e IRQ used by the devices on board 4 2 Interrupt Request Lines IRQ Level Function IRQ 01 PC AT Enhanced PS 2 Keyboard IRQ 03 Communications Port IRQ 04 Communications Port IRQ 05 Standard Enhanced PCI...

Page 60: ...raphics Driver EFFF4000 EFFF7FFF Geode LX AES Crypto Driver EFFF8000 EFFFBFFF AMD Win 2K XP Graphics Driver EFFFD000 EFFFDFFF Standard Enhanced PCI to USB Host Controller EFFFE000 EFFFEFFF Standard Op...

Page 61: ...This board supports 255 levels watchdog timer by software programming Below are the source codes written in assembly C please take them for WDT application examples Assembly Code Initial W83627hf mov...

Page 62: ...ut mov AX 2Eh mov DX AX mov AL 0F5h out DX AL select CRF5 WDT Timer unit mov AL 00h bit2 0 second bit2 1 minute inc DX out DX AL update CRF5 bit2 to 00h mov AX 2Eh mov DX AX mov AL 0F6h out DX AL sele...

Page 63: ...as WDTO outportb 0x2e 0x07 point to logical device selector outportb 0x2e 1 0x08 select logical device 8 outportb 0x2e 0x30 select CR30 outportb 0x2e 1 0x01 update CR30 to 01h outportb 0x2e 0xf0 sele...

Page 64: ...60 Appendix This page is intentionally left blank...

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