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Ampro LittleBoard 550, Справочное руководство

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LittleBoard 550

Reference Manual

89

Index

Ampro Products

CoreModule

™

 Family .......................................3

EnCore

™

 Family ...............................................4

ETX Family .......................................................3
LittleBoard

™

 700 ..............................................2

LittleBoard

™

 800 ..............................................3

MightyBoard

™

 Family ......................................3

MiniModule

™

 

Family........................................3

ReadyBoard

™

 Family........................................3

audio interface

AC’97 CODEC on board ...................................8
AC’97 standard ..................................................8
supported feature..............................................53

BIOS Setup

Advanced features............................................71
ATA format selection ......................................68
audio settings ...................................................75
boot order.........................................................68
can not see prompt ...........................................63
configuration....................................................63
console redirection.....................................71, 72
default settings 

bold text

.................................65

DMA settings...................................................77
DRAM settings ................................................70
drive assignments.............................................66
IRQ settings .....................................................76
memory settings...............................................70
no bootable device available............................68
onboard controller settings...............................74
PCI settings......................................................75
Plug and Play settings ......................................75
Power Management settings ............................71
printer (LPT) settings.......................................73
serial console........................................64, 71, 72
serial port settings ............................................72
splash screen settings .......................................69
USB floppy drive settings................................67
USB settings ....................................................67
user setup options.............................................69
video settings ...................................................74
watchdog timer (WDT)..............................60, 71

boot device

CD-ROM .........................................................66
CompactFlash ..................................................66
floppy disk drive ..............................................66
hard disk drive .................................................66
LAN boot .........................................................85
LAN boot [None] as default ............................72
no bootable device available............................68
USB boot Disabled as default ..........................72

CAUTION

Ethernet grounding .......................................... 13
inoperable DRAM settings ..............................71

CD-ROM

LittleBoard 550 Doc & SW............................... 2

CompactFlash

always use [HDD/CF Pri Master/Slave].......... 66
ATA format selection ...................................... 68

connectors

connector list ................................................... 12
Pin-1 locations................................................. 13

console redirection

serial console ............................................. 59, 71

CPU models

power requirements ......................................... 19

CRT Fuse

definition ......................................................... 12
location ............................................................ 13

Development System Users Guide

LittleBoard 550.................................................. 2

dimensions........................................................... 16
EBX standard

Embedded Board, eXpandable .......................... 5

Enter at BIOS Setup prompt

can not see during POST ................................. 63

Environmental specifications .............................. 19
Ethernet Port

LEDs................................................................ 14
share common ground ..................................... 13

floppy disk drive

drive configurations................................... 66, 67

Fuses

CRT ................................................................. 12
locations .......................................................... 12
USB ................................................................. 12

heatsinks

northbridge ...................................................... 19
processor.......................................................... 19

Hot cable

console redirection .......................................... 60
modified serial cable........................................ 60
serial console ................................................... 60

Interrupt (IRQs) list ............................................. 23
jumper locations .................................................. 14
LAN boot

DHCP (Dynamic Host Configuration

Protocol) server ........................................... 85

OS dependent .................................................. 85
supported features............................................ 85
TFTP (Trivial File Transfer

Protocol) server ........................................... 85

LAN Boot

BIOS configuration features............................ 86
default setting [None]...................................... 72

LEDs

Ethernet ports .................................................. 14

Содержание LittleBoard 550

Страница 1: ...LittleBoard 550 Single Board Computer Reference Manual P N 5001740A Revision A...

Страница 2: ...to revise this publication from time to time without obligation to notify any person of such revisions If errors are found please contact Ampro at the address listed below on the Notice page of this...

Страница 3: ...fications 19 Environmental Specifications 19 Thermal Cooling Requirements 19 Chapter 3 Hardware 21 Overview 21 CPU U1 22 Memory 22 SDRAM Memory DIMM1 22 Flash Memory U17 22 Serial EEPROM SEEP 22 Inter...

Страница 4: ...BIOS Setup Opening Screen 65 BIOS Configuration Screen 66 Drive Configurations and Boot Options 66 User Interface Options 69 Memory Control Options 70 Power Management and Advanced User Options 71 Vi...

Страница 5: ...Signal Descriptions J1A 30 Table 3 6 PC 104 Interface Pin Signal Descriptions J1B 31 Table 3 7 PC 104 Interface Pin Signal Descriptions J1C 33 Table 3 8 PC 104 Interface Pin Signal Descriptions J1D 33...

Страница 6: ...550 Table 3 28 CPU Fan J2 61 Table 4 1 BIOS Setup Menus 64 Table 4 2 Floppy Drive BIOS Settings 67 Table 4 3 LCD Panel Type List 75 Table A 1 USA Technical Support Contact Information 81 Table B 1 Con...

Страница 7: ...tion Internal registers or signal operations Bus or signal timing for industry standard busses and signals Reference Material The following list of reference materials may be helpful for you to comple...

Страница 8: ...edded system design You can install ISA bus or PCI bus expansion boards on the Development System chassis The Development System is arranged to make all the components of your system accessible Refer...

Страница 9: ...d and ReadyBoard single board computers to configure embedded system solutions Ampro s highly reliable MiniModule products currently support USB 2 0 IEEE 1394 Firewire Ethernet PC Card expansion analo...

Страница 10: ...s to plug into your custom baseboard Each EnCore module provides standard peripherals including Ultra DMA 33 66 100 IDE floppy drive interface PCI bus serial parallel PS 2 keyboard and mouse interface...

Страница 11: ...highly flexible and adaptable system expansion allowing easy and modular addition of functions such as USB 2 0 Firewire or wireless networking not usually contained in standard product offerings The...

Страница 12: ...board and mouse interfaces and an audio AC 97 CODEC on the board The LittleBoard 550 also supports two independent 10 100BaseT interfaces up to 1GB of SDRAM in a single 168 pin DIMM slot and a AGP4x g...

Страница 13: ...ilable for OEM use PC 104 and PC 104 Plus Bus Interface PC 104 Bus speed at 8MHz PCI 2 3 compliant PCI Bus speed at 33MHz IDE Interfaces Supports two enhanced IDE controllers 4 devices Supports dual b...

Страница 14: ...pports over current fuses on board Supports over current detection status on board Keyboard Mouse Interface Supports PS 2 keyboard Supports PS 2 mouse Audio interface Supports AC 97 standard AC 97 COD...

Страница 15: ...bit flat panel outputs DSTN TFT LVDS outputs 1 or 2 channel four differential signals 3 bits clock Miscellaneous Real time clock RTC operation on board Battery free boot Provides battery socket for L...

Страница 16: ...oard Mouse SMBus Northbridge VT8606 PC104 Plus Bus Connector PCI Bus IrDA 1 1 Floppy AC 97 CODEC COM3 COM4 IDE Primary IDE Secondary USB Port 4 USB Port 3 USB Port 2 USB Port 1 USB ATA PC 104 Connecto...

Страница 17: ...O functions I O Functions Super I O U13 Standard Microsystems SP37E760 This Super I O controller provides two additional serial ports Serial ports Ethernet Controllers U5 U6 Intel 82551ER Ethernet Con...

Страница 18: ...erial ports 3 and 4 J14 Floppy 34 pin connector for floppy disk drive interface J15 Parallel 26 pin connector for parallel interface J16 Utility 1 16 pin connector for keyboard external battery reset...

Страница 19: ...ket J23 Serial B J13 Serial Ports 3 4 Ethernet Port 1 J7 Floppy J14 Primary IDE J12 Utility 2 J24 Utility 1 J16 Parallel J15 Utility 3 J18 CRT J5 PC 104 Plus J21 Serial A J11 Serial Ports 1 2 J2 Fan C...

Страница 20: ...e LittleBoard 550 Refer to Figure 2 5 Table 2 5 Ethernet Port 1 J7 LED Indicators Indicator Definition Ethernet Link Activity LED Link Activity LED This yellow LED is the activity link indicator and p...

Страница 21: ...t U 5 N o r t h b r i d g e U 2 S o u t h b r i d g e U 3 J1 J18 U34 U10 U15 U17 U11 U16 E t h e r n e t U 6 U21 U25 U14 U12 U8 U7 J12 J17 J14 J13 J15 J16 J24 J11 JP4 JP3 JP7 JP8 JP5 JP6 J10 J7 J32 J2...

Страница 22: ...board and Figures 2 7 and 2 8 give the mounting dimensions and pin 1 connector locations Table 2 7 Weight and Footprint Dimensions Item Dimension Weight 0 323kg 0 712lbs Height overall 25 37mm 0 999 W...

Страница 23: ...l mounting dimensions 1 875 5 350 5 550 0 0 5 250 2 200 5 800 7 600 5 350 0 200 0 245 0 0 3 100 5 700 7 050 7 600 7 800 0 200 0 0 1 356 0 325 0 705 2 458 3 915 2 800 0 580 1 650 3 965 4 050 2 650 7 11...

Страница 24: ...ard 550 5 350 5 550 0 0 6 800 7 600 5 350 0 200 0 0 7 050 7 600 7 800 0 200 0 0 0 719 1 415 2 730 4 050 0 0 3 200 6 345 6 385 0 107 0 235 6 350 0 115 0 705 LB550_01e Figure 2 8 LittleBoard 550 Dimensi...

Страница 25: ...and 2 Ethernet channel connections using Win2k OS Environmental Specifications Table 2 9 provides the most efficient operating and storage condition ranges required for this board Table 2 9 Environmen...

Страница 26: ...Chapter 2 Product Overview 20 Reference Manual LittleBoard 550...

Страница 27: ...tch Speaker USB SMBus Ethernet Interfaces J7 J32 Audio Interface J28 Video Interfaces J3 J31 Miscellaneous Time of Day RTC Temperature Monitoring Oops Jumper BIOS recovery Serial Console Watchdog time...

Страница 28: ...P SDRAM Memory DIMM1 The LittleBoard 550 supports a single standard 168 pin DIMM slot DIMM slot can support up to 2GB of memory Supports PC 133 133MHz 7 5ns and PC 100 100MHz 10ns 3 3V SDRAM NOTE Ampr...

Страница 29: ...S 2 Mouse X PCI INTA Automatically Assigned PCI INTB Automatically Assigned PCI INTC Automatically Assigned PCI INTD Automatically Assigned Sound Blaster D O O O USB Automatically Assigned VGA Automat...

Страница 30: ...ess hex Subsystem 000 00F Primary DMA Controller 020 021 Master interrupt Controller 040 043 Programmable Interrupt Timer Clock Timer 060 06F Keyboard Controller 070 07F CMOS RAM NMI Mask Reg RT Clock...

Страница 31: ...address followed by one or more data cycles 4 A4 C BE0 T S PCI Bus Command Byte Enable 0 This signal line is one of four signal lines These signal lines are multiplexed so that during the address cyc...

Страница 32: ...signals provide the timing outputs for four external PCI devices and the timing for all transactions on the PCI bus 28 A28 GND Ground 29 A29 12V 12 volts 5 power supply 30 A30 NC Not connected Reserve...

Страница 33: ...5 power supply 58 B28 INTD O D Interrupt D This signal is used to request interrupts only for multi function devices 59 B29 INTA O D Interrupt A This signal is used to request an interrupt 60 B30 NC N...

Страница 34: ...GND Ground 87 C27 CLK3 In PCI clock 3 Refer to Pin 27 for more information 88 C28 5V 5 volts 5 power supply 89 C29 INTB O D Interrupt B This signal is used to request interrupts only for multi functi...

Страница 35: ...ore information 115 D25 GND Ground 116 D26 CLK1 In PCI clock 1 Refer to Pin 27 for more information 117 D27 GND Ground 118 D28 RST In PCI bus reset This signal is an output signal to reset the entire...

Страница 36: ...r memory cycles by inserting wait states This signal s normal state is active high ready ISA boards drive the signal inactive low not ready to insert wait states Devices using this signal to insert wa...

Страница 37: ...may use the request line at a time 37 B5 5V Not connected 5 volts 38 B6 DRQ2 DMA Request 2 Used by I O resources to request DMA service or to request ownership of the bus as a bus master device Must...

Страница 38: ...Interrupt Request 6 Asserted by a device when it has pending interrupt request Only one device may use the request line at a time 55 B23 IRQ5 Interrupt Request 5 Asserted by a device when it has pend...

Страница 39: ...System Data 10 Refer to SD7 pin A2 for more information 15 C14 SD11 System Data 11 Refer to SD7 pin A2 for more information 16 C15 SD12 System Data 12 Refer to SD7 pin A2 for more information 17 C16...

Страница 40: ...ctive 33 D12 DACK6 DMA Acknowledge 6 Used by DMA controller to select the I O resource requesting the bus or to request ownership of the bus as a bus master device Can also be used by the ISA bus mast...

Страница 41: ...low order bus D0 D7 while all data transfers are 16 bit using D0 D15 to provide the disk data signals 4 PDD8 Primary Disk Data 8 Refer to PDD7 on pin 2 for more information 5 PDD6 Primary Disk Data 6...

Страница 42: ...GND Ground 31 IRQ14 Interrupt Request 14 Asserted by drive when it has pending interrupt PIO transfer of data to or from the drive to the host 32 NC Not connected 33 PDA1 Primary Disk Address 1 One of...

Страница 43: ...0 Refer to SDD7 on pin 2 for more information 18 SDD15 Secondary Disk Data 15 Refer to SDD7 on pin 2 for more information 19 GND Ground 20 NC Key Not connected Key pin plug 21 SDREQ Secondary DMA Req...

Страница 44: ...es BIOS to sense which DMA mode to use for IDE devices 35 SDA0 Secondary Disk Address 0 Refer to SDA1 on pin 33 for more information 36 SDA2 Secondary Disk Address 2 Refer to SDA1 on pin 33 for more i...

Страница 45: ...for more information 6 PDD7 Disk Data 7 Refer to PDD3 on pin 2 for more information 7 PDCE1 Primary Chip Select 1 This signal along with CE2 selects the card and indicates when a byte or word operati...

Страница 46: ...sh by the jumper JP4 setting When this pin is grounded jumper inserted this device is configured as Master When this pin is open jumper removed this device is configured as Slave 40 NC Not Connected V...

Страница 47: ...lect 0 Select drive 0 16 MTR1 Motor Control 1 Select drive motor 1 18 DIR Direction Direction of head movement 0 inward motion 1 outward motion 20 STEP Step Low pulse for each track to track movement...

Страница 48: ...more information 8 SLCTIN Out Select In This output signal is used to select the printer I O pin in ECP EPP mode 9 PD3 I O Parallel Port Data 3 Refer to pin 3 for more information 10 GND Ground 11 PD4...

Страница 49: ...ndard for any serial port Refer to the topic On Board Serial Ports under Power Management and Advanced User Options in Chapter 4 BIOS Setup for more information To implement the two wire RS485 mode on...

Страница 50: ...or low level flow control RX1 If in RS485 or RS422 mode this pin is Receive Data 1 7 4 DTR1 Data Terminal Ready 1 Indicates Serial port 1 is powered initialized and ready Used as hardware handshake wi...

Страница 51: ...et Ready 3 Indicates external serial communications device is powered initialized and ready Used as hardware handshake with DTR3 for overall readiness to communicate 3 2 RXD3 RX3 Receive Data 3 Serial...

Страница 52: ...Indicates Serial port 4 is ready to transmit data Used as hardware handshake with CTS4 for low level flow control TX4 If in RS485 or RS422 mode this pin is Transmit Data 4 15 3 TXD4 TX4 Transmit Data...

Страница 53: ...ch as a keyboard speaker etc Table 3 17 gives the pin outs and interface signals for the Utility 1 interface Keyboard Battery Reset Switch Speaker Keyboard Interface The signal lines for the PS 2 keyb...

Страница 54: ...Utility 2 interface consists of a 24 pin connector used to interface various signals to the external board with external connections or directly to the respective connector such as the mouse etc Tabl...

Страница 55: ...USB ports USB0 and USB1 The hub is USB v 1 1 and Intel Universal HCI v 1 1 compatible Features implemented in the USB ports include the following One root hub and two USB ports on this connector USB...

Страница 56: ...SMBus Clock 14 SMBDATA SMBus Data 15 USB1PWR 5V USB 1 Port Power Port is disabled if this input is low 16 USB2PWR 5V USB 2 Port Power Port is disabled if this input is low 17 USBP1 I O Universal Seri...

Страница 57: ...ayer transceivers Over current detection status on the USB port software Over current fuses for all four ports on the LittleBoard 550 board See Table 2 3 NOTE Ampro does not recommend connecting a USB...

Страница 58: ...transmit and 3KB receive FIFOs helps prevent data underflow and overflow Improved dynamic transmit chaining with multiple priorities transmit queues Each Ethernet port has a RJ 45 connector and the r...

Страница 59: ...er plane Audio Interface J28 The audio solution on the LittleBoard 550 is provided by the VT82C686B and the LM4549 audio CODEC These two chips use a digital interface to communicate between the two wh...

Страница 60: ...phone in signal 1 or left channel 11 MIC_GND Microphone digital ground Audio ground 12 MIC2 Microphone in signal 2 or right channel 13 MIC_REF Microphone reference signal 14 NC KEY Not connected Key p...

Страница 61: ...A 320x480 up to SXGA and UXGA 1400x1050 Supports LCD VGA and SVGA panels with 9 12 18 bit interface 1 Pixel Clock Supports UXGA and SXGA active matrix panels with 1x24 bit interface 2 Pixels Clock Sup...

Страница 62: ...er to pin 12 for more information 18 FP6 Flat Panel Data Output 6 Refer to pin 12 for more information 19 FP7 Flat Panel Data Output 7 Refer to pin 12 for more information 20 FP8 Flat Panel Data Outpu...

Страница 63: ...with the type of flat panel selected in BIOS Setup Refer to the notes for this table 4 FP25 Flat Panel Data Output 25 Refer to pin 3 for more information 5 FP26 Flat Panel Data Output 26 Refer to pin...

Страница 64: ...S_Y2P Data Positive Output 2 11 LVDS_CLKYM Clock Negative Output 12 LVDS_CLKYP Clock Positive Output Clock Channel 1 13 LVDS_Z0M Data Negative Output 14 LVDS_Z0P Data Positive Output 0 15 LVDS_Z1M Dat...

Страница 65: ...Serial A interface to an Oops jumper short together the DTR 7 and RI 8 pins on Serial A J11 header for Serial Port 1 As an alternate short the equivalent pins 4 and 9 on the Serial Port 1 DB9 connecto...

Страница 66: ...t interval in seconds between 2 and 255 in one second increments in the Advanced BIOS Features screen Ensure you allow enough time for the boot process to complete and for the OS to boot The OS or app...

Страница 67: ...s 12V is are for BUS power only optional 5 3 3V This 3 3V is for BUS power only optional 6 GND Ground 7 5V 5 0 volts DC 5 Notes The shaded area denotes power or ground The 12Vand 3 3V on the Power Int...

Страница 68: ...Chapter 3 Hardware 62 Reference Manual LittleBoard 550...

Страница 69: ...n the ROM BIOS and can be accessed when prompted using the Del key while the board is in the Power On Self Test POST state just before completing the boot process The screen displays a message indicat...

Страница 70: ...550 4 Start Setup by pressing the Ctl c keys when the following message appears on the boot screen Hit C if you want to run SETUP 5 Use the Enter key to select the screen menus listed in the Opening B...

Страница 71: ...use Enter to select menu item C Copyright 2005 Ampro Computers Inc http www ampro com Help for BIOS and Hardware Settings Figure 4 1 Opening BIOS Screen NOTE For the most current BIOS Information ref...

Страница 72: ...a numeric entry of the calendar month day of the month and all 4 digits of the year indicating the century plus year 14 Jan 2005 Time hh mm ss This requires 24 hour Clock setting in hours minutes and...

Страница 73: ...has the straight through cable non twist and is the middle connector NOTE Ampro does not recommend connecting a USB boot device to the LittleBoard 550 through an external hub Instead connect the USB b...

Страница 74: ...option Drive and Boot Options Floppy Seek Disabled or Enabled Hard disk Seek Disabled or Enabled Floppy Swap Disabled or Enabled Boot Method Boot Sector or Windows CE Boot Sector is the traditional me...

Страница 75: ...ed the BIOS will initialize the PS 2 mouse If the PS 2 mouse is Disabled then the BIOS will not initialize the PS 2 mouse which may not be recognized by the Operating System User Interface Show Hit De...

Страница 76: ...up the operation of the system The indicated segments are only for option ROMs present on add on PC 104 and PC 104 Plus cards Shadow D400 D7FF Disabled or Enabled Shadow D800 DBFF Disabled or Enabled...

Страница 77: ...ost Memory Manger can be used by BIOS option ROMs to allocate memory for optimal performance CPU Serial Number Disabled This field is inoperable since the VIA Eden ESP CPUs do not have a unique intern...

Страница 78: ...hub Instead connect the USB boot device directly to the LittleBoard 550 LAN Boot None LAN 1 or LAN 2 This field allows you to boot the system over one of the Ethernet connections LAN Refer to the topi...

Страница 79: ...specifies the base address used for Serial Port 3 IRQ 3 4 5 7 9 10 or 11 This field specifies the IRQ used for Serial Port 3 If this field is set to none then no IRQ is assigned making it available fo...

Страница 80: ...d 2 Ports or 4 Ports If this field is set to 4 Ports both on board USB controllers are used each one supporting two USB ports If this field is set to 2 Ports the first on board USB controller is used...

Страница 81: ...768 x 18 bit TFT 16 1280 x 1024 x 16 bit DSTN On Board Audio Legacy SoundBlaster Disabled 220 22Fh 240 24Fh 260 26Fh or 280 28Fh This field indicates the base address of the on board Audio controller...

Страница 82: ...OM1 If this field is set to Enabled then the BIOS can assign this IRQ to a Plug and Play adapter If another device in the system is using this IRQ then this field should be set to Disabled Assign IRQ...

Страница 83: ...S can assign this IRQ to a Plug and Play adapter If another device in the system is using this IRQ then this field should be set to Disabled Assign IRQ 15 Disabled or Enabled Typically Hard Disk If th...

Страница 84: ...l to a Plug and Play adapter If another device in the system is using this DMA channel then this field should be set to Disabled Assign DMA 6 Disabled or Enabled If this field is set to Enabled then t...

Страница 85: ...reen image supported by the LittleBoard 550 BIOS should be Bitmap image Exactly 640x480 pixels Exactly 16 colors A converted file size of not greater than 55kB Converting the Splash Screen File The fo...

Страница 86: ...not approximately 153 718 bytes in size it is probably not in the right format or is too complex to be used in the BIOS You will have to edit it down in size until you have reached an acceptable file...

Страница 87: ...onal assistance by going to the Ask a Question area in the Virtual Technician Requests can be submitted 24 hours a day 7 days a week You will receive immediate confirmation that your request has been...

Страница 88: ...Appendix A Technical Support 82 Reference Manual LittleBoard 550...

Страница 89: ...pin Belden Flat Cable 9L28010 MMT PHYCO Housing IDCA001 F0802GFT K Housing 1100 16 J4 J16 Video LCD 2 Utility 1 16 pin Belden Flat Cable 9L28016 MMT PHYCO Housing IDCA001 F1002GFT K Housing 1100 20 J1...

Страница 90: ...Appendix B Connector Part Numbers 84 Reference Manual LittleBoard 550...

Страница 91: ...s and install software automatically thereby greatly simplifying the management of small to large numbers of systems attached to a network If the hard disk drive should crash the network can be set up...

Страница 92: ...n for Preboot Execution Environment PXE Accessing PXE Boot Agent BIOS Setup To access PXE Boot Agent BIOS Setup when LAN Boot has been selected in the LittleBoard 550 BIOS Setup screen refer to this p...

Страница 93: ...or timeout Boot Failure Next boot device Figure B 1 PXE Agent Boot Setup Screen PXE Configuration Boot Method PXE TCP IP NetWare or RPL Default Boot Local or Network Local Boot Disabled or Enabled Con...

Страница 94: ...ssage Timeout 3 seconds 6 seconds 12 seconds or Forever Boot Failure Prompt Wait for timeout or Wait for key Boot Failure Next boot device or Reboot RPL Configuration Boot Method PXE TCP IP NetWare or...

Страница 95: ...66 hard disk drive 66 LAN boot 85 LAN boot None as default 72 no bootable device available 68 USB boot Disabled as default 72 CAUTION Ethernet grounding 13 inoperable DRAM settings 71 CD ROM LittleBo...

Страница 96: ...supported feature 59 PCI Bus up to 33 MHz 25 table notes 29 Pin 1 locations 13 POST no BIOS Setup prompt 63 no bootable device available 68 Preboot Execution Environment PXE 85 pre OS agent 85 process...

Страница 97: ...ied serial cable 60 onboard fuses 12 Oops jumper BIOS recovery 9 59 parallel printer port 1 8 42 PC 104 bus 7 30 PC 104 Plus bus 7 25 PS 2 keyboard interface 8 47 PS 2 mouse interface 8 48 Real time c...

Страница 98: ...Index 92 Reference Manual LittleBoard 550...

Страница 99: ......

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