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AR-B1570
INDUSTRIAL GRADE
CPU BOARD
User s Guide
Edition: 1.71
Book Number: AR-B1570-02.0715
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AR-B1570 User’s Guide Table of Contents 0.PREFACE......................................................................................................................................................................3 0.1COPYRIGHT NOTICE AND DISCLAIMER................................................................................................................................... 3 0.2 WELCOME TO THE AR-B1570 CPU BOARD..........................................................................
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AR-B1570 User’s Guide 5.9 IDE HDD AUTO DETECTION ................................................................................................................................................... 36 5.10 BIOS EXIT............................................................................................................................................................................... 36 ........................................................................................................
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AR-B1570 User’s Guide 0.PREFACE 0.1COPYRIGHT NOTICE AND DISCLAIMER April 2001 Acrosser Technology makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose. Furthermore, Acrosser Technology reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Acrosser Technology to notify any person of such
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AR-B1570 User’s Guide 0.6 ORGANIZATION This manual covers the following topics (see the Table of Contents for a detailed listing): ! Chapter 1, Overview, provides an overview of the system features and packing list. ! Chapter 2, System Controller describes the major structure. ! Chapter 3, Setting Up the System, describes how to adjust the jumper, and the connectors settings. ! Chapter 4, Installation, describes setup procedures including information on the utility diskette. !
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AR-B1570 User’s Guide 1. OVERVIEW This is a AR-B1570 Pentium Grade CPU Board with Ethernet, DOC, SSD and Compact Flash. This chapter provides an overview of your system features and capabilities. The following topics are covered: ! Specification ! Packing List ! Features 1.1SPECIFICATION ! CPU : NS GEODE GX1 BGA. ! Chipset:Cyrix CS5530A. ! RAM Memory: Support 1xDIMM 168-Pin socket, 128M maximum. ! SSD: Support one socket for DiskOnChip. Support up to 1MB SRAM on board.
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AR-B1570 User’s Guide 1.3 FEATURES The system provides a number of special features that enhance its reliability, ensure its long-term availability, and improve its expansion capabilities, as well as its hardware structure. ! CPU NS GEODE GX1 ! Cyrix CS5530A Chipset ! 1xDIMM SDRAM ! Supports DOC Flash Disk ! 1Mbyte SRAM ! 10/100M-Base Ethernet ! Compact Flash (optional) ! AWARD BIOS ! Power Req.: +5V-3.0A maximum and 12V 0.5A maximum. ! Dimensions: 185 mm x 122 mm (7.3x4.8
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AR-B1570 User’s Guide 2. SYSTEM CONTROLLER This chapter describes the main structure of the AR-B1570 CPU board. The following topics are covered: ! Microprocessors ! DMA Controller ! Keyboard Controller ! Interrupt Controller ! Serial Port ! Parallel Port 2.1 MICROPROCESSOR The AR-B1570 uses the NS GEODE GX1 CPU, it is an advanced 32-bit x86 compatible processor offering high performance, fully accelerated 2D graphics, a 64-synchronous DRAM controller and a PCI bus controller, all
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AR-B1570 User’s Guide 2.3 KEYBOARD CONTROLLER The 8042 processor is programmed to support the keyboard serial interface. The keyboard controller receives serial data from the keyboard, checks its parity, translates scan codes, and presents it to the system as a byte data in its output buffer. The controller can interrupt the system when data is placed in its output buffer, or wait for the system to poll its status register to determine when data is available. Data can be written to the
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AR-B1570 User’s Guide 2.4.1 I/O Port Address Map Hex Range Device 000-01F DMA controller 1 020-021 Interrupt controller 1 022-023 Cyrix CS5530 040-04F Timer 1 050-05F Timer 2 060-06F 8042 keyboard/controller 070-071 Real-time clock (RTC), non-maskable interrupt (NMI) 080-09F DMA page registers 0A0-0A1 Interrupt controller 2 0C0-0DF DMA controller 2 0F0 Clear Math Co-processor 0F1 Reset Math Co-processor 0F8-0FF Math Co-processor 170-178 Reserved for Fixed disk 1 1F0-1F8 Fixed
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AR-B1570 User’s Guide 2.4.2 Real-Time Clock and Non-Volatile RAM The AR-B1570 contains a real-time clock compartment that maintains the date and time in addition to storing configuration information about the computer system. It contains 14 bytes of clock and control registers and 114 bytes of general purpose RAM. Because of the use of CMOS technology, it consumes very little power and can be maintained for long periods of time using an internal Lithium battery. The contents of each by
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AR-B1570 User’s Guide 2.5 SERIAL PORT The ACEs (Asynchronous Communication Elements ACE1 to ACE4) are used to convert parallel data to a serial format on the transmit side and convert serial data to parallel on the receiver side. The serial format, in order of transmission and reception, is a start bit, followed by five to eight data bits, a parity bit (if programmed) and one, 1.5 (in a five-bit format only) or two stop bits(in a 6,7, or 8-bit format). The ACEs are capable of handling divis
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AR-B1570 User’s Guide WLS1 WLS0 Word Length 0 0 5 Bits 0 1 6 Bits 1 0 7 Bits 1 1 8 Bits Bit 2: Number of Stop Bit (STB) Bit 3: Parity Enable (PEN) Bit 4: Even Parity Select (EPS) Bit 5: Stick Parity Bit 6: Set Break Bit 7: Divisor Latch Access Bit (DLAB) (6) MODEM Control Register (MCR) Bit 0: Data Terminal Ready (DTR) Bit 1: Request to Send (RTS) Bit 2: Out 1 (OUT 1) Bit 3: Out 2 (OUT 2) Bit 4: Loop Bit 5: Must be 0 Bit 6: Must be 0 Bit 7: Must be 0 (7) Line Status
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AR-B1570 User’s Guide Desired Baud Rate Divisor Used to Generate 16x Clock 300 384 600 192 1200 96 1800 64 2400 48 3600 32 4800 24 9600 12 14400 8 19200 6 28800 4 38400 3 57600 2 115200 1 Serial Port Divisor Latch 2.6 PARALLEL PORT (1) Register Address Port Address Read/Write Register base + 0 Write Output data base + 0 Read Input data base + 1 Read Printer status buffer base + 2 Write Printer control latch Registers’ Address (2) Printer Interface Logic T
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AR-B1570 User’s Guide Bit 7: This signal may become active during data entry, when the printer is off-line during printing, or when the print head is changing position or in an error state. When Bit 7 is active, the printer is busy and cannot accept data. Bit 6: This bit represents the current state of the printers ACK signal. A0 means the printer has received the character and is ready to accept another. Normally, this signal will be active for approximately 5 microseconds before
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P4 CN8 -+ BT3 AR-B1570 User’s Guide 3. SETTING UP THE SYSTEM This section describes pin assignments for the systems external connectors and the jumper settings. ! Overview ! System Setting 3.1 OVERVIEW AR-B1570 is a Pentium Grade CPU Board that comes Ethernet, DOC, SSD, and Compact Flash (optional) functions. This section provides the hardwares jumper settings, the connectors locations, and the pin assignments. The #1 pin assignments have all been designed on the right side of the
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AR-B1570 User’s Guide 3.2.1 Hard Disk (IDE) Connector (1) 40-Pin Hard Disk (IDE) Connector (CN7) A 40-pin header type connector (CN7) is provided to interface with up to two embedded hard disk drives (IDE AT bus). This interface, through a 40-pin cable, allows the user to connect up to two drives in a daisy chain fashion. To enable or disable the hard disk controller, please use the BIOS Setup program, which is explained further in chapter 5. The following table illustrates the p
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AR-B1570 User’s Guide Pin Signal Pin Signal 1 -RESET 2 GROUND 3 DATA 7 4 DATA 8 5 DATA 6 6 DATA 9 7 DATA 5 8 DATA 10 9 DATA 4 10 DATA 11 11 DATA 3 12 DATA 12 13 DATA 2 14 DATA 13 15 DATA 1 16 DATA 14 17 DATA 0 18 DATA 15 19 GROUND 20 NOT USED 21 IDEDREQ 22 GROUND 23 -IOW A 24 GROUND 25 -IOR A 26 GROUND 27 IDEIORDYA 28 GROUND 29 -DACKA 30 GROUND 31 AINT 32 GROUND 33 SA 1 34 Not Used 35 SA 0 36 SA 2 37 CS 0 38 CS 1 39 HD LED A 40 GROUND 41 VCC 42 VCC 43 GROUND 44 Not
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AR-B1570 User’s Guide 3.2.3 Ethernet RJ-45 Connector (LAN1) The LAN1 RJ-45&LED header is the standard network header. The following table is the pin assignment. 8 1 PIN (CN8) FUNCTION 1 TPTX+ 2 TPTX - 3 TPRX+ 4 Not Used 5 Not Used 6 TPRX - 7 Not Used 8 Not Used RJ-45 Pin Assignment 3.2.4 PS/2 KB/Mouse Connector (CN4 & PS1) To use the PS/2 interface, an adapter cable has to be connected to the CN4 (6-pin header type) connector. This adapter cable is mounted on a bracket and i
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AR-B1570 User’s Guide 3.2.7 Power Connector (PWR2) The PWR2 is a 4-pin power connector. Its the standard connectors on all Acrosser boards. 1 +12 2 GND 3 GND 4 +5 PWR2 PWR2: 4-Pin Power Connector 3.2.8 CRT Connector (P4) P4 (CRT Connector) 6 1 Red 2 Green 11 1 3 Blue 13 Horizontial 2 14 Vertical Sync 4, 9, & 11 Not used 3 5 & 10 Ground 4 6, 7 & 8 AGND 12 DDC DATA 5 15 15 DDC CLOCK 10 P4: CRT Connector 3.2.9 LCD Supported Voltage Select (JP4) 2 4
