Xycom SBC-370 Manuale utente
SBC-370
SOCKET 370 CELERON, PENTIUM III
Board Processor Guide
Brand or product names are trademarks or registered trademarks of their respective owners.
Windows and Windows NT are registered trademarks of Microsoft Corp. in the United States and other countries.
This document is copyrighted by Xycom Automation, Incorporated (Xycom Automation) and shall not be reproduced or
copied without expressed written authorization from Xycom Automation.
The information contained within this document is subject to change without notice. Xycom Automation does not guaran-
tee the accuracy of the information.
Precautions
Some components on SBC-370 are very sensitive to static electric charges and can be damaged by a sudden rush of power.
To protect it from unintended damage, be sure to follow these precautions:
Ground yourself to remove any static charge before touching the SBC-370. You can do this by using a grounded wrist strap
at all times or by frequently touching any conducting materials that are connected to the ground.
Handle your SBC-370 by its edges. Don't touch IC chips, leads, or circuitry if not necessary.
Do not plug any connector or jumper while the power is on.
Do not put your SBC-370 unprotected on a flat surface because it has components on both sides.
BATTERY REPLACEMENT CAUTION
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the
manufacturer. Dispose of used batteries according to the manufacturer's instructions.
2
Table of Contents
1. Features. . ..............................6
OVERVIEW .................................................6
Feature LIST .................................................6
CPU...................................................6
SDRAM .................................................6
AGP VGA Controller...........................................7
Ethernet Controller ...........................................7
Ultra DMA/33 Enhanced PCI EDI Interface ...............................7
Multi-I/O Chip .............................................7
Floppy Disk Drive Interface .......................................7
Two High Speed Series Ports.......................................7
Parallel Port ...............................................7
Hardware Monitoring System ......................................8
IrDAPort................................................8
USBPort.................................................8
ISAPLUS .................................................8
E2Key™.................................................8
Watchdog Timer.............................................8
Flash Disk - DiskOnChip™........................................8
ATX Power Supply Function .......................................8
Power Consumption ...........................................8
Operating Humidity ...........................................9
Watchdog Timer ...............................................9
E2KEY™ FUNCTION .............................................9
Connecting to an ATX Power Supply ....................................10
2. Board Configuration .........................12
Board Layout ................................................12
Jumpers ..................................................13
CPU Frequency Setting (JP3) ......................................13
CPU Multiplier Setting (JP8) ......................................13
Watchdog Timer Type Setting (JP5) ..................................13
Watchdog Timeout Period (JP12)....................................14
DiskOnChip™ Memory Address Setting (JP11) .............................14
Clear CMOS Setup (JP4) ........................................14
PS/2 Mouse Setting (JP7) .......................................15
Connectors .................................................16
Floppy Disk Drive Connector (CN2) ..................................16
PCI E-IDE Disk Drive Connector (CN1/CN3) ..............................17
Parallel Port (CN4) ...........................................18
Serial Ports (CN12/CN11) .......................................19
Keyboard/Mouse Connector (CN8/CN17/CN18) ...........................20
External Switches and Indicators (CN7) ................................21
USB Port Connector (CN9) .......................................21
IrDA Infrared Interface Port (CN6) ...................................22
VGA Connector (J1) ..........................................22
LAN RJ45 Connector (CN10)......................................23
3
LED Connector for LAN (CN5) .....................................23
Fan Connector (CN13/CN14/CN15) ..................................23
System Interrupts (IRQs) ..........................................24
DMA Channel Assignments ........................................24
1st MB Memory Address Map .......................................25
I/OMap..................................................25
3. AMI BIOS Setup Menus .......................26
Getting Started ...............................................26
Standard CMOS Setup ...........................................27
Advanced CMOS Setup ..........................................28
Advanced Chipset Setup ..........................................30
Power Management Setup .........................................32
PCI/PLUG AND PLAY Setup ........................................33
Peripheral Setup ..............................................34
Hardware Monitor Setup ..........................................36
Change Supervisor/User Password .....................................37
Auto-Detect Hard Disk ...........................................37
Auto Configuration with Optimal Settings .................................38
Auto Configuration with Fail Safe Settings .................................39
Save Settings and Exit ...........................................39
Exit Without Saving ............................................39
4
1Features
OVERVIEW
The Intel® Socket 370 Celeron® and Pentium III (FC-PGA) with AGP VGA and 10/100
Mbps Ethernet Single Board Computer (SBC-370) is a PICMG bus form factor board. It
is equipped with a high performance Intel® Celeron processor (up to 500 MHz) or
Pentium III (FC-PGA) 500 MHz (or above) processor, and advanced high performance
multi-mode I/O.
This board has a built-in DiskOnChip™ (DOC) Flash Disk for embedded applications.
The DOC Flash Disk is 100% compatible to hard disk. Users can use any DOS com-
mand without any extra software utility. The DOC currently is available from 2 MB to
144 MB.
An advanced high performance super AT I/O chip - Winbond W83977TF is used in
the SBC-370 board. The on-chip UARTs are compatible with NS16C550. The parellel
port and IDE interface are compatible with IBM PC/AT architecture.
SBC-370 uses the advanced Intel 440BX Chipset which is 100% compatible chipset
with PCI 2.1 standard.
FEATURE LIST
CPU
•Intel Celeron® processor up to 500 MHz and Pentium III (FC-PGA) 500 MHz (or above)
processor
•PICMG bus, meets PCI 2.1 standard
•7DMA channels
•15 Interrupt levels
•Intel 82440BX 66/100MHz CPU Clock Chipset
SDRAM
•Four 168-pin DIMM sites support up to 1 GB SDRAM
•Each DIMM module is 3.3 V SDRAM with a maximum of 256 MB
6
AGP VGA Controller
•S3 Trio® 3D/2x AGP VGA controller
•133 MHz AGP bus speed
•Screen resolutions supported up to 1280 x 1024 x 64K colors @ 60 Mz refresh
•Screen resolutions also supported up to:
•1600 x 1200 x 64K colors at 85 Hz refresh, non-interlaced mode
•1024 x 768 x 16M colors at 85 Hz refresh, non-interlaced mode
Ethernet Controller
•Realtek RTL8139 IEEE802.u 100 BaseTX standard
•Dual Auto-sensing interface to 10Mbps, 100Mbps Network
•RJ45 connector for 10 BaseTX and 100 BaseTX
•Full Duplex capability
•Full software driver support
Ultra DMA/33 Enhanced PCI EDI Interface
•Up to four PCI Enhance IDE hard drives
•Data transfer up to 33 MB/s
•Compatible with existing ATA-2 IDE specifications
Multi-I/O Chip
•W83977
•All I/O setup by BIOS
•Two 16C550 RS-232C Ports
•One EPP/ECP Parallel Port, Floppy Port
Floppy Disk Drive Interface
•Two 2.88 MB, 1.44MB, 1.2MB, 720K, or 360K floppy disk drives
Two High Speed Series Ports
•NS16C550 compatible UARTs
Parallel Port
•Bidirectional
Features 7
Hardware Monitoring System
•Built-in LM78 hardware monitoring system
•Monitors power supply voltage and fan speed status
IrDA Port
•Supports Serial Infrared (SIR) and Amplitude Shift Keyed IR(ASKIR) interface
USB Port
•Supports two USB ports for future expansion
ISAPLUS
•Enhance the ISA bus drive capability
E2Key™
•1Kbit EEPROM (nonvolatile memory)
•Accepts read/write data by customer's program
•Stores system ID, password, and critical data on the board
Watchdog Timer
•Can be set by 1, 2, 10, 20, 110, or 220 second periods
•Reset or NMI is generated when CPU does not periodically trigger the timer
•Your program uses hex 043 and 443 to control the watchdog and generate a system reset
Flash Disk - DiskOnChip™
•100% compatibility with hard disk
•Supports M-Systems
•Built-in True FFS Transparent Flash Block Management and Space Reclamation, which
allows the use of the Flash Disk with DOS command with no need for any extra software
utility
•2MBto144MB
ATX Power Supply Function
•Connect to the backplanes and /or the ISBC card
Power Consumption
•+5V/6.8A (Celeron 333 MHz, 512 MB SDRAM), +12V/170mA (maximum), -12V/60mA
(maximum)
Features 8
Operating Humidity
•5 - 95%, non-condensing
WATCHDOG TIMER
The Watchdog Timer is provided to ensure that standalone systems can recover from
catastrophic conditions that cause the CPU to crash. This condition can occur from ex-
ternal EMI or a software bug. When the CPU stops working correctly, hardware on the
board will either perform a hardware reset (cold boot) or a Non-Maskable Interrupt
(NMI) to bring the system back to a known state.
Two I/O ports control the Watchdog Timer:
443 (hex) Read Enable to refresh the Watchdog Timer
043 (hex) Read Disable the Watchdog Timer
To enable the Watchdog Timer, a read from I/O port 443H must be performed. This
will enable and activate the countdown timer which will eventually timeout and
either reset the CPU or cause a NMI, depending on the setting of JP5. To ensure
that this reset condition does not occur, the Watchdog Timer must periodically be
refreshed by reading the same I/O port 433H. This must be done within the time-
out period that is selected by JP12.
A tolerance of at least 20% must be maintained to avoid unknown routines
within the operating system (DOS), such as disk I/O that can be very time consum-
ing. Therefore, if the timeout period has been set to 10 seconds, the I/O port
443H must be read within 7 seconds.
Note: When exiting a program, it is necessary to disable the Watchdog Timer, otherwise
the system will reset.
E2KEY™ FUNCTION
The SBC-370 provides an E2KEY™ function for system integrators. Based on the E2KEY
utility, you can freely store the ID Code, Password, or Critical Data in the 1Kbit
EEPROM. Because the EEPROM is nonvolatile memory, you don't have to worry about
losing important data.
The E2KEY utility is based on a 1Kbit EEPROM which is configured to 64 words
(from 0 to 63). You can access (read or write) each word at any time.
The E2KEY utility is provided on a CD-ROM with your system. The software utility
will include four files as files:
•README.DOC
•E2KEY.OBJ
•EKEYDEMO.C
•EKEYDEMO.EXE
9 Features
The E2KEY.OBJ provides two library functions for you to integrate your application
with the E2KEY function. The read_e2key and write_e2key libraries are written and
compiled in C language. To implement them, refer to the functions below:
*/unsigned int read_e2key(unsigned int address): This function will return the
E2KEY data to a certain address. The address range is from 0 to 63. Return data is
one word, 16 bits.
*/void write_e2key(unsigned int address, unsigned data): This function will write
the given data to E2Key to a certain address. The address is from 0 to 63. The data
value is from 0 to 0xffff.
To begin using this function, refer to the included EKEYDEMO.C code.
Note: The E2KEY function is based on the parallel port. Therefore, you should enable
SBC-370's parallel port or it will not work.
CONNECTING TO AN ATX POWER SUPPLY
To Connect ATX Power Supply to the Backplanes and/or the ISBC Card
1. Disconnect the AC cord from the power supply to prevent sudden electric surge.
2. Connect the ATX power supply switch to the pin 17 (power button) and pin 19
(+5VSB) of CN7 (multi panel) on the board.
•To turn off the power supply, push the ATX power switch button for about four seconds.
•To turn the system on, push the button once.
Features 10
Figure 1. SBC-370
(through Power
Button and +5VSB).
2Board Configuration
BOARD LAYOUT
12
Figure 2. SBC-370
Configuration.
JP3, CPU Frequency
JP8, CPU Multiplier Setting
JP5, Watchdog Timer Type
Setting
JP12, Watchdog Timeout Period
JP11, DiskOnChip Memory
Address Setting
JP4, Clear CMOS Setup
JP7, PS/2 Mouse Setting
CN2, Floppy Disk Drive
CN1, Primary IDE
CN3, Secondary IDE
CN4, Parallel Port
CN12, Serial Port 9-pin
D-sub (COM1)
CN11, Serial Port 2x5 pin
header (COM2)
CN8, External Keyboard
CN17, Mouse
CN18, Keyboard/Mouse
CN7, Multi Panel Switch
CN9, USB
CN6, IrDA
J1, VGA
CN10, LAN RJ45
CN5, LED Connector for LAN
CN13, CPU Fan
CN14, System1 Fan
CN15, System2 Fan
DIMM1/2/3/4, DIMM Sockets
Socket 370, Intel Socket 370
Celeron processor
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