Summary of Contents for Vox Technologies PMB-472 M1
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USER’S MANUAL PMB-472 ULV Celeron® M Mini-ITX Motherboard With VGA/Sound/2LAN PMB-472 M1...
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Copyright Notice PMB-472 Celeron® M Mini-ITX Motherboard With VGA /Sound/2LAN OPERATION MANUAL COPYRIGHT NOTICE This operation manual is meant to assist both Embedded Computer manufacturers and end users in installing and setting up the system. The information contained in this document is subject to change without any notice.
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Copyright Notice FCC NOTICE This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
CHAPTER INTRODUCTION This chapter gives you the information for PMB-472. It also outlines the System specifications. Section includes: About This Manual System Specifications Extra Industrial Application Features Safety Precautions Experienced users can skip to chapter 2 on page 2-1 for a Quick Start. Page:1-1...
Chapter 1 Introduction 1-1. ABOUT THIS MANUAL Thank you for purchasing our PMB-472 ULV Celeron-M Mini-ITX Mainboard enhanced with VGA/Sound/2LAN, which is fully PC / AT compatible. The PMB-472 provides faster processing speed, greater expandability and can handle more tasks than before. This manual is designed to assist you how to install and set up the system.
Chapter 1 Introduction 1-2. SYSTEM SPECIFICATIONS CPU (mPGA479): Intel® Celeron® M processor. ULV 600MHz (non L2 cache). Auto detect voltage regulator. MEMORY : Supports up to 1GB DDR SDRAM. One 200-pin DDR SO-DIMM sockets on board. CACHE : Built-in CPU REAL-TIME CLOCK : 256-byte battery backed CMOS RAM.
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Chapter 1 Introduction DISPLAY : Integrated Graphic in Intel® 852GM Support D-Sub 15 pin VGA connector Support 18/24bit LVDS connector Support 3.3V/5V LVDS Panel Power selection Support 12V Panel Backlight *24bit hardware is ready but Intel does not recommend using. IDE INTERFACE : Two IDE ports support up to four IED devices.
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Chapter 1 Introduction PCI : Expandable up to 3 PCI slot by install a PCI riser card. HARDWARE MONITORING FUNCTION : Monitor Voltage, CPU temperature, & Cooling fan. If CPU Temperature is over setting, the buzzer will send out a warming (only under DOS system).
Chapter 1 Introduction 1-3. EXTRA INDUSTRIAL APPLICATION FEATURES DIGITAL I/O PORT : 4 bit input and 4 bit output digital port availability. Decoding Address at I/O 440H and 441H. General purpose and Input/Output buffer embedded. WATCHDOG TIMER : Watchdog Timer controllable by software, customer application 1~255 second watchdog timer time-out value Reset upon Mouse/Keyboard, SMI or System Reset.
Chapter 2 Hardware Configuration 2-3. HOW TO SET THE JUMPERS You can configure your board by setting jumpers. Jumper is consists of two or three metal pins with a plastic base mounted on the card, and by using a small plastic "cap", Also known as the jumper cap (with a metal contact inside), you are able to connect the pins.
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Chapter 2 Hardware Configuration JUMPER DIAGRAMS Jumper Cap looks like this 2 pin Jumper looks like this 3 pin Jumper looks like this Jumper Block looks like this JUMPER SETTINGS 2 pin Jumper close(enabled) Looks like this 3 pin Jumper 2-3 pin close(enabled) Looks like this Jumper Block...
Chapter 2 Hardware Configuration 2-4. COM PORT CONNECTOR COM1 : COM1 Connector COM1 is fixed as RS-232. The pin assignment is as follows : ASSIGNMENT DCD1 DTR1 DSR1 RTS1 CTS1 COM2 : COM2 Connector COM2 is selectable as RS-232/422/485. The pin assignment is as follows : ASSIGNMENT RS-232 RS-422...
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Chapter 2 Hardware Configuration COM3 : COM3 Connector COM3 is selectable as RS-232/422/485. The pin assignment is as follows : ASSIGNMENT RS-232 RS-422 RS-485 DCD3 DTR3 DSR3 RTS- RTS3 RTS+ CTS3 CTS+ CTS- COM4 : COM4 Connector COM4 is fixed as RS-232. The pin assignment is as follows: ASSIGNMENT DCD4...
Chapter 2 Hardware Configuration 2-5. COM4 PIN 9 RI OR VOLTAGE SELECTION JP1 : COM4 Pin 9 RI or Voltage Selection The selections are as follows: JUMPER JUMPER SELECTION SETTINGS ILLUSTRATION +12V ***Manufacturing Default – RI. If COM4’s Pin 9 is selectable to voltage mode, only 0.5Amp power consumption is allowed for connected to COM device.
Chapter 2 Hardware Configuration 2-6. RS232/422/485 (COM2) SELECTION JP10 : RS-232/422/485 (COM2) Selection This connector is used to set the COM2 function. The jumper settings are as follows : COM 2 Jumper Settings Jumper Function (pin closed) Illustrations RS-232 Open RS-422 1-2, 3-4, 9-10 RS-485...
Chapter 2 Hardware Configuration 2-7. RS232/422/485 (COM3) SELECTION JP8 : RS-232/422/485 (COM3) Selection This connector is used to set the COM3 function. The jumper settings are as follows : COM 3 Jumper Settings Jumper Function (pin closed) Illustrations RS-232 Open RS-422 1-2, 3-4, 9-10 RS-485...
Chapter 2 Hardware Configuration 2-8. KEYBOARD AND PS/2 MOUSE CONNECTOR JKBMS1 : Keyboard and PS/2 Mouse Connector DIN connector can support keyboard, and PS/2 Mouse. The pin assignments are as follows : ASSIGNMENT Keyboard PS/2 Mouse KBDATA MSDATA 5VSB 5VSB KBCLK MSCLK 2-9.
Chapter 2 Hardware Configuration 2-16. CLEAR CMOS DATA SELECTION JP7 : Clear CMOS Data Selection The selections are as follows : JUMPER SETTING JUMPER FUNCTION ILLUSTRATION (pin closed) Normal Clear CMOS *** Manufacturing Default is set as Normal. Note: To clear CMOS data, user must power-off the computer and set the jumper to “Clear CMOS”...
Chapter 2 Hardware Configuration 2-18. VGA CONNECTOR VGA1 : VGA CRT Connector The pin assignments are as follows: ASSIGNMENT GREEN BLUE VGA IIC DATA HSYNC VSYNC VGA IIC CLK ′ Page: 2-15 PMB-472 USER S MANUAL...
Chapter 2 Hardware Configuration 2-19. HARD DISK DRIVE CONNECTOR IDE1: Hard Disk Drive Connector The PMB-472 possesses two HDD connectors, IDE1 and IDE2. The pin assignments are as follows: ASSIGNMENT ASSIGNMENT IDERST PDD7 PDD8 PDD6 PDD9 PDD5 PDD10 PDD4 PDD11 PDD3 PDD12 PDD2...
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Chapter 2 Hardware Configuration IDE2: Hard Disk Drive Connector The pin assignments are as follows: ASSIGNMENT ASSIGNMENT IDERST SDD7 SDD8 SDD6 SDD9 SDD5 SDD10 SDD4 SDD11 SDD3 SDD12 SDD2 SDD13 SDD1 SDD14 SDD0 SDD15 SDREQ SDIOW# SDIOR# SIORDY PULL LOW SDDACK# IRQ15 SDA1...
Chapter 2 Hardware Configuration 2-21. PRINTER CONNECTOR JPRNT1 : Printer Connector As to link the Printer to the card, you need a cable to connect both DB25 connector and parallel port. The pin assignments are as follows : ASSIGNMENT ASSIGNMENT AFD# PDR0 ERROR#...
Chapter 2 Hardware Configuration 2-22. UNIVERSAL SERIAL BUS CONNECTOR JUSB1: Universal Serial Bus Connector The pin assignments are as follows: ASSIGNMENT VCCUSB2 VCCUSB2 USB2N_R USB3N_R USB2P_R USB3P_R JUSB2: Universal Serial Bus Connector The pin assignments are as follows: ASSIGNMENT VCCUSB3 VCCUSB3 USB4N_R USB5N_R...
Chapter 2 Hardware Configuration 2-25. USB&LAN CONNECTOR J2: USB & LAN Connector (10/100 LAN) The pin assignments are as follows: LAN: ASSIGNMENT MDI_0P MDI_0N MDI_1P MDI_1N MDI_2P MDI_2N MDI_3P MDI_3N LAN LED Indicator: Left side LED: Green Color on 10/100 LAN Speed Indicator Orange Color on Giga LAN Speed Indicator No LAN switch/hub connected...
Chapter 2 Hardware Configuration 2-26. WAKE-ON-LAN CONNECTOR JWOL1: Wake-On-LAN Connector The pin assignments are as follows: ASSIGNMENT 5VSB LWAKE JWOL2: Wake-On-LAN Connector The pin assignments are as follows: ASSIGNMENT 5VSB PMEJ ′ Page: 2-23 PMB-472 USER S MANUAL...
Chapter 2 Hardware Configuration 2-29. ATX POWER CONNECTOR CN1 : ATX Power Connector The pin assignments are as follows: ASSIGNMENT +12V 5VSB PS-ON -12V ′ Page: 2-26 PMB-472 USER S MANUAL...
Chapter 2 Hardware Configuration 2-30. SOUND CONNECTOR JAUDIO1 : Sound Connector, including Line-In, Line-Out & Mic. Also can support only MIC connector. The pin assignments are as follows : SPDIF (inside the Line-In hole) ASSIGNMENT Photo type Line-In: light blue color ASSIGNMENT LINE_L LINE_R...
Chapter 2 Hardware Configuration 2-31. CD AUDIO-IN CONNECTOR JCDIN2 : CD Audio-In Connector The pin assignments are as follows: ASSIGNMENT CD L CDGND CDGND CD R 2-32. SPEAKER CONNECTOR SPK1 : Speaker Connector The pin assignments are as follows: ASSIGNMENT SPK_L SPK_R 2-33.
Chapter 2 Hardware Configuration 2-37. PCI SLOT SIGNAL EXPLANATION In order to support standard PCI and PCI riser board for up to 3 PCI devices, the PCI slot signals in this mainboard are listed below: Standard Riser TRST# SERIRQ RSVD CLKC RSVD CLKD...
Chapter 2 Hardware Configuration 2-38. PCI RISER BOARD INFORMATION For correctly operation for 3 PCI devices on the PCI slot of PMB-472, the particular PCI riser card must be followed to the following recommendation. Professional technical consultant may need for designing the right riser board or purchasing from the same manufactories’...
CHAPTER SOFTWARE UTILITIES This chapter comprises the detailed information of VGA driver, LAN driver, and Flash BIOS update. It also describes how to install the watchdog timer configuration. Section includes: VGA Driver Utility Flash BIOS Update LAN Driver Utility Sound Driver Utility Intel®...
Chapter 3 Software Configuration 3-1. INTRODUCTION Enclosed with our PMB-472 package is our driver utility, which may comes in a form of a CD ROM disc or floppy diskettes. For CD ROM disc user, you will only need some of the files contained in the CD ROM disc, please kindly refer to the following chart: Filename Purpose...
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Chapter 3 Software Configuration 1. Win 9X program 2. Win NT4.0 program 3. Win 2000 program 4. Win XP program 3-2-1. Installation of VGA Driver: To install the VGA Driver, simply follow the following steps: 1. Place insert the Utility Disk into Floppy Disk Drive A/B or CD ROM drive.
Chapter 3 Software Configuration 3-3. FLASH BIOS UPDATE 3-3-1. System BIOS Update: Users of PMB-472 can use the program “Awdflash.exe” contained in the Utility Disk for system BIOS and VGA BIOS update. 3-3-2. To update VGA BIOS for LCD Flat Panel Display: As PMB-472 user, you have to update the VGA BIOS for your specific LCD flat panel you are going to use.
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Chapter 3 Software Configuration FLASH MEMORY WRITER v8.XX (C) Award Software 2001 All Rights Reserved Flash Type – SST 49LF004A /3.3V File Name to Program: B472xxxx.bin Checksum: XXXXX Error Message : Are You Sure To Program (Y/N) Select "Y", and the BIOS will be renewed. When you are refreshing the BIOS, do not turn off or reset the system, or you will damage the BIOS.
Chapter 3 Software Configuration 3-4. LAN DRIVER UTILITY 3-4-1. Introduction PMB-472 is enhanced with LAN function that can support various network adapters. Installation programs for LAN drivers are listed as follows: Win 98/2000/XP program Linux program For more details on Installation procedure, please refer to Readme.txt file found on LAN DRIVER UTILITY.
Chapter 3 Software Configuration 3-5. SOUND DRIVER UTILITY 3-5-1. Introduction The Realtek ALC655 sound function enhanced in this system is fully compatible with Windows 98, Windows NT 4.0, Windows 2000, and Windows XP. Below, you will find the content of the Sound driver : 1.
Chapter 3 Software Configuration 3-6. INTEL® C HIPSET SOFTWARE INSTALLATION UTILITY 3-6-1. Introduction The Intel® Chipset Software Installation Utility installs to the target system the Windows* INF files that outline to the operating system how the chipset components will be configured. This is needed for the proper functioning of the following features: Core PCI and ISAPNP Services AGP Support...
Chapter 3 Software Configuration 3-7. USB2.0 SOFTWARE INSTALLATION UTILITY 3-7-1. Installation of Utility for Windows 98SE/ 2000/XP Intel USB 2.0 Enhanced Host Controller driver can only be used on Windows 98SE, Windows 2000 and Windows XP on Intel Desktop boards. It should be installed right after the OS installation, kindly follow the following steps: 1.
Chapter 3 Software Configuration 3-8. WATCHDOG TIMER CONFIGURATION The I/O port address of the watchdog timer is 2E(hex) and 2F(hex). 2E (hex) is the address port. 2F(hex) is the data port. User must first assign the address of register by writing address value into address port 2E(hex), then write/read data to/from the assigned register through data port 2F (hex).
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Chapter 3 Software Configuration Mov al, 07h ; Select Logical Device 8 of watchdog timer Out dx,al Inc dx Mov al, 08h Out dx,al ;----------------------------------------------------------- Dec dx ; Set second as counting unit Mov al, 0f5h Out dx,al Inc dx In al,dx And al,not 08h Out dx,al...
CHAPTER AWARD BIOS SETUP This chapter shows how to set up the Award BIOS. Section includes: Introduction Entering Setup The Standard CMOS Features The Advanced BIOS Features The Advanced Chipset Features Integrated Peripherals Power Management Setup PNP/PCI Configuration PC Health Status Frequency Control Load Fail-Safe Defaults Load Optimized Defaults...
Chapter 4 Award BIOS Setup 4-1. INTRODUCTION This chapter will show you the function of the BIOS in managing the features of your system. The PMB-472 Intel® Celeron® M Half Size Card is equipped with the BIOS for system chipset from Award Software Inc. This page briefly explains the function of the BIOS in managing the special features of your system.
Chapter 4 Award BIOS Setup 4-2. ENTERING SETUP When the system is powered on, the BIOS will enter the Power-On Self Test (POST) routines and the following message will appear on the lower screen: PRESS <DEL> TO ENTER SETUP, ESC TO SKIP MEMORY TEST As long as this message is present on the screen you may press the <Del>...
Chapter 4 Award BIOS Setup 4-3. THE STANDARD CMOS FEATURES Highlight the〝STANDARD CMOS FEATURES〞and press the <ENTER> key and the screen will display the following table: Phoenix - AwardBIOS CMOS Setup Utility Standard CMOS Features Date (mm:dd:yy) Tue, Jun 2005 Item Help Time (hh:mm:ss) 17 : 13 : 13...
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Chapter 4 Award BIOS Setup IDE Primary Master / Slave: IDE Secondary Master / Slave: The BIOS can automatically detect the specifications and optimal operating mode of almost all IDE hard drives. When you select type AUTO for a hard drive, the BIOS detect its specifications during POST, every time system boots.
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Chapter 4 Award BIOS Setup LBA (Logical Block Addressing): During drive accesses, the IDE controller transforms the data address described by sector, head and cylinder number into a physical block address, significantly improving data transfer rates. For drives greater than 1024 cylinders. DRIVE A AND DRIVE B: Select the type of floppy disk drive installed in your system.
Chapter 4 Award BIOS Setup 4-4. THE ADVANCED BIOS FEATURES Choose the〝ADVANCED BIOS FEATURES〞in the main menu, the screen shown as below. Phoenix - AwardBIOS CMOS Setup Utility Advanced BIOS Features CPU L1 & L2 Cache [Enabled] Item Help Quick Power On Self Test [Enabled] First Boot Device [USB-CDROM]...
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Chapter 4 Award BIOS Setup BOOT UP FLOPPY SEEK: You may enable / disable this item to define whether the system will look for a floppy disk drive to boot at power-on, or proceed directly to the hard disk drive. BOOT UP NUMLOCK STATUS: Select power on state for NumLock.
Chapter 4 Award BIOS Setup 4-5. ADVANCED CHIPSET FEATURES Choose the〝ADVANCED CHIPSET FEATURES〞from the main menu, the screen shown as below. Phoenix - AwardBIOS CMOS Setup Utility Advanced Chipset Features DRAM Timing Selectable [By SPD] Item Help X CAS Latency Time X Active to Precharge Delay X DRAM RAS# to CAS# Delay Menu Level ►...
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Chapter 4 Award BIOS Setup DRAM TIMING BY SELECTABLE: This allows you to select the DRAM timing. CAS LATENCY TIME: When synchronous DRAM is installed, the number of clock cycles of CAS latency depends on the DRAM timing. ACTIVE TO PRECHARGE DELAY: This item controls the number of DRAM clocks for TRAS.
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Chapter 4 Award BIOS Setup MEMORY HOLE AT 15M-16M: You can reserve this area of system memory for ISA adapter ROM. When this area is reserved, it cannot be cached. The user information of peripherals that need to use this area of system memory usually discusses their memory requirements.
Chapter 4 Award BIOS Setup 4-6. INTEGRATED PERIPHERALS Choose〝INTEGRATED PERIPHERALS〞from the main setup menu, a display will be shown on screen as below: Phoenix - AwardBIOS CMOS Setup Utility Integrated Peripherals ► [Press Enter] OnChip IDE Device Item Help [Press Enter] ►...
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Chapter 4 Award BIOS Setup ONCHIP IDE DEVICE: The options for these items are found in its sub menu. By pressing the <ENTER> key, you are prompt to enter the sub menu of the detailed options as shown below: Phoenix – Award CMOS Setup Utility OnChip IDE Device OnChip Primary PCI IDE [Enabled]...
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Chapter 4 Award BIOS Setup 4. OnChip Secondary PCI IDE Enable the secondary IDE channel. 5. IDE HDD Block Mode Block mode is also called block transfer, multiple commands, or multiple sector read/write. If your IDE hard drive supports block mode (most new drives do), select Enabled for automatic detection of the optimal number of block read/writes per sector the drive can support.
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Chapter 4 Award BIOS Setup 5. AC97 Audio This item allows you to enable/disable to support AC97 Audio. 6. Onboard LAN Enable onboard LAN chip. 7. Init Display First This item allows you to decide to active whether PCI Slot or on-chip VGA first.
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Chapter 4 Award BIOS Setup 4. RxD, TxD Active This item allows you to determine the active of RxD, TxD. 5. IR Transmission Delay This item allows you to enable/disable IR transmission delay. 6. UR2 Duplex Mode This item allows you to select the IR half/full duplex function. 7.
Chapter 4 Award BIOS Setup 4-7. POWER MANAGEMENT SETUP Choose〝POWER MANAGEMENT SETUP〞option on the main menu, a display will be shown on screen as below : Phoenix - AwardBIOS CMOS Setup Utility Power Management Setup ACPI Function [Enabled] Item Help Power Management [User Define] Menu Level ►...
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Chapter 4 Award BIOS Setup VIDEO OFF METHOD: This determines the manner in which the monitor is blanked. V/H SYNC+Blank This selection will cause the system to turn off the vertical and horizontal synchronization ports and write blanks to the video buffer.
Chapter 4 Award BIOS Setup 4-8. PNP/PCI CONFIGURATION Choose 〝PNP/PCI CONFIGURATION〞 from the main menu, a display will be shown on screen as below: Phoenix - AwardBIOS CMOS Setup Utility PnP/PCI Configurations Reset Configuration Data [Disabled] Item Help Resources Controlled By [Auto (ESCD)] Menu Level ►...
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Chapter 4 Award BIOS Setup RESOURCE CONTROLLED BY: The Award Plug and Play Bios can automatically configure all of the booth and Plug and Play-compatible devices. However, this capability means absolutely nothing unless you are using a Plug and Play operating system such as Windows 95.
Chapter 4 Award BIOS Setup 4-9. PC HEALTH STATUS Choose 〝PC HEALTH STATUS〞 from the main menu, a display will be shown on screen as below: Phoenix - AwardBIOS CMOS Setup Utility PC Health Status Current Warning Temperature [Disabled] Item Help Current CPU Temperature 48℃/118℉...
Chapter 4 Award BIOS Setup 3.3V / +5V / +12V / -12V/ -5V/ VBAT/ 5VSB: Show you the voltage of 3.3V/+5V/+12V/-12V/-5V/ VBAT/5VSB. SHUTDOWN TEMPERATURE: This item allows you to set up the CPU shutdown Temperature. This function is only effective under Windows 98 ACPI mode. 4-10.
Chapter 4 Award BIOS Setup 4-11. LOAD FAIL-SAFE DEFAULTS By pressing the <ENTER> key on this item, you get a confirmation dialog box with a message similar to the following: Load Fail-Safe Defaults ( Y/N ) ? N To use the BIOS default values, change the prompt to "Y" and press the <Enter >...
Chapter 4 Award BIOS Setup 4-13. SET SUPERVISOR PASSWORD User is allowed to set either supervisor or user password, or both of them. The difference is that the supervisor password can enter and change the options of the setup menus while the user password can enter only but do not have the authority to change the options of the setup menus.
Chapter 4 Award BIOS Setup 4-14. SAVE & EXIT SETUP After you have completed adjusting all the settings as required, you must remember to save these setting into the CMOS RAM. To save the settings, select “SAVE & EXIT SETUP” and press <Enter>, a display will be shown as follows: Phoenix - AwardBIOS CMOS Setup Utility ►Standard CMOS Features...
Chapter 4 Award BIOS Setup 4-15. EXIT WITHOUT SAVING If you wish to cancel any changes you have made, you may select the “EXIT WITHOUT SAVING” and the original setting stored in the CMOS will be retained. The screen will be shown as below: Phoenix - AwardBIOS CMOS Setup Utility ►Frequency Control ►Standard CMOS Features...
APPENDIX EXPANSION BUS This appendix indicates the pin assignments. Section includes: PCI BUS Pin Assignment Mini-PCI BUS Pin Assignment Compact Flash Card Connector Pin Assignment Page: A-1...
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Appendix A Expansion Bus PCI BUS PIN ASSIGNMENT Like ISA-BUS connector, the PCI-BUS edge connector is also divided into two sets: one consists of 98-pin; the other consists of 22-pin. The pin assignments are as follows : ASSIGNMENT ASSIGNMENT ASSIGNMENT ASSIGNMENT -12V TRST#...
Appendix A Expansion Bus MINI-PCI BUS CONNECTOR PIN ASSIGNMENT You will find a Mini-PCI connector in our PMB-472. The pin assignments are as follows: ASSIGNMENT ASSIGNMENT PIRQJF VCC3_3 PIRQJE PPCLK PCI_RSTJ VCC3_3 PREQJ3 PGNTJ3 VCC3_3 AD31 AD29 AD30 AD27 VCC3_3 AD25 AD28 AD26...
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Appendix A Expansion Bus PERRJ DEVSELJ C_BEJ1 AD14 AD15 AD13 AD12 AD11 AD10 C_BEJ0 VCC3_3 VCC3_3 ′ Page: A-4 PMB-472USER S MANUAL...
Appendix B Technical Summary INTERRUPT MAP ASSIGNMENT System TIMER Keyboard Cascade Serial port 2 Serial port 1 Available Floppy Parallel port 1 RTC clock Available Available Available PS/2 Mouse Math coprocessor IDE1 IDE2 ′ Page: B-3 PMB-472 USER S MANUAL...
Appendix B Technical Summary RTC & CMOS RAM MAP CODE ASSIGNMENT Seconds Second alarm Minutes Minutes alarm Hours Hours alarm Day of week Day of month Month Year Status register A Status register B Status register C Status register D Diagnostic status byte Shutdown byte Floppy Disk drive type byte...
Appendix B Technical Summary TIMER & DMA CHANNELS MAP Timer Channel Map : Timer Channel Assignment System timer interrupt DRAM Refresh request Speaker tone generator DMA Channel Map : DMA Channel Assignment Available Available Floppy Available Cascade Available Available Available ′...
Appendix B Technical Summary I/O & MEMORY MAP Memory Map : MEMORY MAP ASSIGNMENT 0000000-009FFFF System memory used by DOS and application 00A0000-00BFFFF Display buffer memory for VGA/ EGA / CGA / MONOCHROME adapter 00C0000-00DFFFF Reserved for I/O device BIOS ROM or RAM buffer.
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