Global American Inc. 3303788 User manual

User’s Manual
Single Board Computer
3303788
Version 1.0,
1999

Copyrights
This manual is copyrighted and all rights are reserved. It does not allow any non authorization in
copied, photocopied, translated or reproduced to any electronic or machine readable form in
whole or in part without prior written consent from the manufacturer.
In general, the manufacturer will not be liable for any direct, indirect, special, incidental or
consequential damages arising from the use of inability to use the product or documentation, even
if advised of the possibility of such damages. The manufacturer keeps the rights in the subject to
change the contents of this manual without prior notices in order to improve the function design,
performance, quality and reliability. The author assumes no responsibility for any errors or
omissions, which may appear in this manual, nor does it make a commitment to update the
information contained herein.
Trademarks
Intel is a registered trademark of Intel Corporation.
Award is a registered trademark of Award Software, Inc.
All other trademarks, products and or product's name mentioned herein are mentioned for
identification purposes only, and may be trademarks and/or registered trademarks of their
respective companies or owners.

Table of Contents
How to Use This Manual
Chapter 1. Introduction
1.1 Check List......................................................................................1 – 2
1.2 Product Specifications...................................................................1 – 3
1.3 System Architecture.......................................................................1 – 6
Chapter 2. Hardware Configuration Setting
2.1 Jumpers..........................................................................................2 – 1
2.2 Connectors.....................................................................................2 – 5
Chapter 3. System Installation
3.1 Socket 370 Celeron Processor.......................................................3 – 1
3.2 Main Memory................................................................................3 – 1
3.3 M-system Flash Disk .....................................................................3 – 2
3.4 Installing the Single Board Computer............................................3 – 2
3.4.1 CHIPS 69000 Graphics Controller......................................3 – 3
3.4.2Intel 82559 Fast Ethernet Controller................. ..............3 – 5
3.4.3On-board LED Indictor……………………………………3 – 6
3.5 Watch Dog Timer Programming....................................................3 – 7

Introduction
3303788 User’s Manual 1-1
CHAPTER 1
Introduction
The 3303788 all-in-one full-sized single board computer is designed to fit a high
performance Celeron based processor and compatible for high-end computer system
application with PCI/ISA bus architecture. It is made to meet today’s demanding
pace, and keep complete compatibility with hardware and software designed for the
IBM PC/AT. The on-board PCI bus supports two PCI devices– VGA and LAN.
It's beneficial to build up a high performance and high data availability system for
VARs, or system integrators.
This single board computer can run with Intel Pentium-II/III (Celeron or Coppermine)
processor, and support DIMM up to 1GB DRAM. The enhanced on-board PCI
IDE interface can support 4 drives up to PIO mode 4 timing and Ultra DMA/33
synchronous mode feature. The on-board Super I/O Chipset integrates floppy
controller, two serial ports, one FIR (Fast Infrared) port and one parallel port.
Two high performance 16C550-compatible UARTs provide 16-byte send/receive
FIFOs, and the multi-mode parallel port supports SPP/EPP/ECP function. Besides,
two Universal Serial Bus ports provide high-speed data communication between
peripherals and PC.
The PICMG standard makes the 3303788 works with the legacy ISA, ISA/PCI or
multi-slots PCI-bus backplane. The on-board 32-pin DIP socket supports M-system
Disk-On-Chip Flash disk up to 144MB. Built-in Watch-dog Timer function
monitors your system status. Two 6-pin Mini-DIN connectors are provided to
connect PS/2 mouse and keyboard. The on-board Flash ROM is used to make the
BIOS update easier. A standard P8 power connector is reserved to directly get
more power for embedded application, and the additional 5-pin shrouded connector
is reserved for connecting keyboard interface on the backplane. The high precision
Real Time Clock/calendar is built to support Y2K for accurate scheduling and
storing configuration information. One 4-pin header is designed to support ATX
power function. A feature of CPU overheat protection will give user more security
and stability. All of these features make 3303788 excellent in stand-alone
applications.

Introduction
3303788 User’s Manual 1-2
1-1 Check List
The 3303788 package includes the following basic items accompany with this
manual.
•One 3303788 single board computer
•One Printer port cable kit
•One serial port cable to support two interfaces
•One FDC cable
•One IDE cable
•One 5-pin to 5-pin keyboard cable for backplane connection
•One 4-pin ATX power control cable for backplane connection
•One CD-Title 3303788 to support CHIPS B69000 VGA display driver and
Intel 82559 LAN driver
If any of these items is damaged or missed, please contact your vendor and save all
packing materials for future replacement and maintenance.

Introduction
3303788 User’s Manual 1-3
1-2 Product Specifications
•Main processor
Intel Celeron processor and Intel Coppermine processor
◇CPU bus clock : 66/100 MHz
◇CPU core/bus clock ratio : x2 to x8
•BIOS
AMI system BIOS with 256KB Flash ROM to support DMI, PnP, APM,
and ACPI (option)
•Main Memory
Four 168-pin DIMM sockets, supporting 3.3V SDRAM with parity/ECC function
up to 1GB
•L2 Cache Memory
128KB L2 cache built in Celeron and 256KB in Coppermine processor
•Chipset
Intel 440BX AGPset
•Bus Interface
Follow PICMG standard (32-bit PCI and 16-bit ISA bus)
Fully complies with PCI bus specification V2.1
•PCI IDE Interface
Support two enhanced IDE ports up to four HDD devices with PIO mode 4
and Ultra DMA/33 mode 2 timing transfer
•Floppy Drive Interface
Support one FDD port up to two floppy drives and 5-1/4"(360K, 1.2MB),
3-1/2" (720K, 1.2MB, 1.44MB, 2.88MB) diskette format and 3-mode FDD (option)
•Serial Ports
Support two high-speed 16C550 compatible UARTs with 16-byte T/R FIFOs
•IR Interface
Support one 6-pin header for serial Fast/Standard Infrared wireless
communication
•Parallel Port
Support SPP, Bi-direction, and EPP/ECP modes

Introduction
3303788 User’s Manual 1-4
•USB Interface
Support two USB (Universal Serial Bus) ports for high speed I/O peripheral
devices
•PS/2 Mouse and Keyboard Interface
Support two 6-pin Mini-DIN connectors and one 5-pin shrouded connector for
PS/2 mouse, keyboard and backplane connection
•ATX Power Control Interface
One 4-pin header to support ATX power control with Modem Ring-On and Wake-
On-LAN function
•Auxiliary I/O Interfaces
System reset switch, external speaker, Keyboard lock and HDD LED interface
•Real Time Clock/Calendar
Support Y2K Real Time Clock/calendar with battery backup for 10-year data
retention
•Watchdog Timer
0.5,1,2,4,8,16,32,64 sec. time-out intervals by jumper setting or 255 intervals from
0.5 min. to 254.5 min. by software programming
•DiskOnChip Feature
Reserved one 32-pin socket for M-systems Flash Disk up to 144MB
•On-board VGA Interface
Adopt CHIPS 69000 HiQVideo Accelerator with integrated memory 2MB to
provide high performance graphics and panel display capabilities
•On-board Ethernet
Utilize Intel 82559 Fast Ethernet controller to support RJ-45 interface at
10/100BASE-T speed
•CPU Overheat Protection
Auto speed down when CPU overheats (OS independent & Driverless)
•System Monitoring Feature
Monitor CPU and system temperature, operating voltage, and fan status

Introduction
3303788 User’s Manual 1-5
•Power Good
On-board power good generator with reset time, 300ms ∼500ms
•Physical and Environmental Requirements
◆Outline Dimension (L X W) : 338.5mm (13.36”) X 121.5mm (4.78”)
◆Board Weight : 0.92 lb. (0.42kg)
◆PCB layout : 6 layer
◆Power Requirements : +5V @6A (typ.), +12V @140mA, -12V @30mA
◆Operating Temperature : 0°C ~ 60°C (32°F ~ 140°F)
◆Storage Temperature : -20°C ~ 80°C
◆Relative Humidity : 5% ~ 95%, non-condensing

Introduction
3303788 User’s Manual 1-6
1-3 System Architecture
The following illustration of block diagram will show you how 3303788 gives you
a highly integrated system solution. The most up-to-date system architecture of
3303788, includes two main VLSI chips , 82443BX Host Bridge and 82371EB
PIIX4E, to support Celeron processor, SDRAM with ECC, PCI bus interface, ACPI
compliant power management (option), USB port, SMBus communication, and Ultra
DMA/33 IDE Bus Master. The on-board super I/O chip , W83977ATF, will support
PS/2 Keyboard/Mouse, two UARTs, FDC, Parallel and Infrared interface. Besides,
an on-board PCI device VGA/panel display will provide user more flexibility and
reliability in a highly integrated application.
3303788 built-in Socket 370 to support Intel Celeron processor Plastic Pin Grid
Array (PPGA) package and Pentium-III FC-PGA Coppermine processor for high
performance and cost-effective application. The Intel Celeron processor is the next
addition to the P6 micro architecture processor product lines. The Intel Celeron
processor, like the Intel Pentium Pro and Intel Pentium II processor, features a
Dynamic Execution microarchitecture and also executes MMX technology
instructions for enhanced media and communication performance. However, the FC-
PGA Coppermine-256 ( Pentium III ) processor provides twice of the Celeron L2
Cache.
The North Bridge 82443BX provides a completely integrated solution for the system
controller and data path components in a Celeron processor system. It provides a 64-
bit GTL+ based host bus interface, optimized 64-bit DRAM interface with ECC to
support two 3.3V DIMMs at the maximum bus frequency of 100 MHz, and 32-bit
PCI bus interface to support on-board PCI device.
The South Bridge, 82371EB PCI ISA IDE Xcelerator (PIIX4E), provides a highly
integrated multifunction PCI-to-ISA bridge solution for the best industry application.
It supports 1-channel dedicated Ultra DMA-33 IDE master interface, full Plug-and-
Play compatibility, and Advanced Programmable Interrupt Controller (APIC)
interface on 3303788. It also supports 2-port Universal Serial Bus (USB)and PCI
2.1 Compliance operation. In addition, it also provides XD-bus via buffer logic
control to support BIOS read/write access and external Real-time Clock (RTC) to
maintain date and time of a system.
The Super I/O chip W83977ATF, which integrates two high-speed serial ports, one
parallel port, FIR/SIR interface, 8042 keyboard controller with PS/2 mouse ports and
FDD interface. This parallel port supports one PC-compatible printer port (SPP),
Enhanced Parallel Port (EPP) and Extended Capabilities Port (ECP).

Introduction
3303788 User’s Manual 1-7
In 3303788, it contains Watch-dog Timer (WDT) enabled by jumper setting and
triggered by software, and DiskOnChip (DOC) for M-systems Flash disk. Besides,
an advanced feature is used on 3303788 to support detection of CPU temperature.
The CPU operation will be automatically forced to speed down when overheating
happens.
The on-board PCI device, graphics display port, powered by CHIPS 69000 graphics
accelerator to support one VGA display and panel interface port. Another on-board
PCI device, LAN port, powered by Intel 82559 10/100 Ethernet Controller supports
Fast Ethernet interface through RJ-45 port.
All of detail operating relations are shown in Figure 1-1 3303788 System Block
Diagram.

Introduction
3303788 User’s Manual 1-8
CPUBus
PCI Bus ( Golden Finger )
ULTRA33DualChannel
IDEBusMaster
CNTL
XDBus ISABus
XD SDBus
ISA Bus
Figure 1-1 3303788 System Block Diagram
Intel 82559
10/100 BASE-T
Celeron/P-II/III
Processor
(Socket 370)
82443BX
( 492 BGA )
MEMORY
4 SDRAM DIMM
82371EB
( 324 BGA )
IDE 1
BIOS RTC DISK-On-Chip
CKBF
CLOCK BUFFER
TWO USB PORTS
BUFFER
LOGIC
WDT
SUPER I/O
W83977ATF
(128 PQFP) 2UART/LPT/FDD/IR
GTL
TERM.
CLOCK GENERATOR
KEYBOARD
MOUSE
C&T B69000
VGA/PANEL DISPLAY
1
2
3
IDE 2 TEMP. SENSOR
BUFFER
4

Hardware Configuration Setting
3303788 User’s Manual 2-1
CHAPTER 2
Hardware Configuration Setting
This chapter gives the definitions and shows the positions of jumpers, headers and
connectors. All of the configuration jumpers on 3303788 are in the proper
position. The default settings set by factory are marked with a star (!).
2-1 Jumpers
In general, jumpers on the single board computer are used to select options for
certain features. Some of the jumpers are designed to be user-configurable,
allowing for system enhancement. The others are for testing purpose only and
should not be altered. To select any option, cover the jumper cap over (close) or
remove (open) it from the jumper pins according to the following instructions.
(Refer to Figure 2-1 for jumper positions)
Figure 2-1 3303788 Jumper Locations
W83977ATF
DIMM 2
Socket370
DIMM 1
1 4
SW1
JP4JP5JP6 JP7 1 1 3
2 8 2 6
1 7 1 5
DIMM3
82371EB
82443BX
JP8 JP9
JP2 JP3
DIMM4
1 1 1 3 1 3
B69000 82559
JP11
1 3
JP10
1
3

Hardware Configuration Setting
3303788 User’s Manual 2-2
CPU Jumper Setting Table (SW1)
SW1 DIP switch settings for CPU core/bus ratio
SW-1 SW-2 SW-3 SW-4 CORE/BUS RATIO
OFF OFF ON OFF 1.5x
OFF OFF OFF OFF 2.0x
ON ON ON ON 2.0x
ON OFF ON ON 2.5x
ON ON OFF ON 3.0x
ON OFF OFF ON 3.5x
ON ON ON OFF 4.0x
ON OFF ON OFF 4.5x
ON ON OFF OFF 5.0x
ON OFF OFF OFF 5.5x !
OFF ON ON ON 6.0x
OFF OFF ON ON 6.5x
OFF ON OFF ON 7.0x
OFF OFF OFF ON 7.5x
OFF ON ON OFF 8.0x
OFF ON OFF OFF Reserved
NOTE : For system stability, do not arbitrarily set CPU to run over speed unless
you can handle BIOS parameters.
Disk-On-Chip Jumper Setting (JP8)
1 – 2 3 – 4 5 – 6 7 – 8 Memory Address Window
Short NC NC NC D0000 – D1FFF !
NC Short NC NC D2000 – D3FFF
NC NC Short NC D4000 – D5FFF
NC NC NC Short D6000 – D7FFF
Watch-Dog Timer Jumper Setting (JP4, JP5, JP6, JP7, JP9)
JP4
NC : Enabled WDT function
Short : Disabled WDT function !
JP5
NC : Allocate I/O port 0533H/0033H for programming of H/W WDT !
Short : Allocate I/O port 0543H/0343H for programming of H/W WDT

Hardware Configuration Setting
3303788 User’s Manual 2-3
JP6
1 – 2 : Connect WDT output to system reset !
2 – 3 : Connect WDT output to NMI
JP9
WDT Time-out Interval (Twd) settings
5-6 3-4 1-2 Time-out Interval (Twd)
Short Short Short 0.5sec.
Short Short NC 1sec. !
Short NC Short 2sec.
Short NC NC 4sec.
NC Short Short 8sec.
NC Short NC 16sec.
NC NC Short 32sec.
NC NC NC 64sec.
JP7 WDT Time-out sources :
1 – 2 : initiated from hardware WDT by setting JP9 !
2 – 3 : initiated from software WDT by programming super I/O chipset
W83977ATF
RTC CMOS Clear Jumper Setting (JP2)
JP2 NC : Normal operation !
Short : Clear CMOS contents
NOTE : This CMOS clearing operation can be done under system power on if
CMOS RAM CLEAR FUNCTION does not exist in Advanced
Chipset Setup. It also can be done under system power on or off.
However please make sure that the CMOS RAM clear option has
been enabled in Advanced Chipset Setup before CMOS clearing
happens.
AT/ATX Power Supply Selection (JP3)
JP3 1 – 2 : Select ATX power supply
2 – 3 : Select AT power supply !

Hardware Configuration Setting
3303788 User’s Manual 2-4
Onboard devices (VGA/Ethernet) enable/disable jumper (JP10/JP11)
JP10
1 – 2 : Normal operation !
2 – 3 : Disable onboard VGA
JP11
1 – 2 : Normal operation !
2 – 3 : Disable onboard Ethernet

Hardware Configuration Setting
3303788 User’s Manual 2-5
2-2 Connectors
I/O peripheral devices and Flash disk will be connected to these interface
connectors or DOC socket located on this single board computer.
Figure 2-2 3303788 Connector Locations
W83977ATF
DIMM 2
Socket370
DIMM 1
J23
10 2
9 1
DIMM3
82371EB
82443BX
J5 J6
DIMM4
B69000
J1 J2 J3 J4
6
1J13
J141
3
DOC <
J8 J9
1 4
J10
1 6
J11
J12
1 2
39 40
J17
J26
J18
J25
1 5
J20 1
5J24
1 1 4 1 5 1 2
U20
J15
J21
J27
82559
CONNECTOR FUNCTION REMARK
J1 System reset
J2 Externalspeakerinterface
J3 Keyboard lock and power indicator
J4 IDE active LED interface
J5 IDE1 (Primary) interface
J6 Floppy connector
J8 IDE2 (Secondary) interface
J9 Parallelportconnector
J10 ATX power control interface Connect to Backplane
J11 IrDA (infrared) port Support FIR/SIR
J12 ATX power button interface Connect to Chassis
J13 Standard P8 power connector
J14 CPU cooling fan power connector Support +12V
J15 COM1 serial port 2 x 5 shrouded
J17 Flat Panel display module interface 2x20 pin header
J18 PS/2 mouse connector 6-pin Mini-DIN
J20 External PS/2 mouse connector Connect mouse cable kit
J21 COM2 serial port 2 x 5 shrouded
J23 External USB interface Support two ports
J24 External keyboard interface Connect to backplane
J25 PS/2 keyboard connector 6-pin Mini-DIN
J26 VGA connector DSUB-15
J27 Ethernet connector RJ-45
U20 On-board Flash disk (DiskOnChip) 32-pin DIP socket

Hardware Configuration Setting
3303788 User’s Manual 2-6
Pin Assignments of Connectors
■J1 : Reset Header
PINNo. SignalDescription
1 Reset
2 Ground
■J2 : External Speaker Header
PIN No. Signal Description
1 Speakersignal
2 N/C
3 Ground
4 +5V
■J3 : Keyboard Lock Header
PIN No. Signal Description
1 +5V (330 ohm pull-up for power LED)
2 N/C
3 Ground
4 Keyboard inhibit
5 Ground
■J4 : IDE1 Active LED Header
PIN No. Signal Description
1 +5V (470 ohm pull-up for HDD LED)
2 HDD Active # (LED cathode terminal)
■J10 : ATX Power Control Connector
PIN No. Signal Description
1 ATX Power Good Signal
2 ATX 5V Stand-by
3 ATXPowerOnControl
4 Ground

Hardware Configuration Setting
3303788 User’s Manual 2-7
■J5/ J8 : IDE1/IDE2 Interface Connector
PIN No. Signal Description PIN No. Signal Description
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 N/C
21 DMA REQ 22 Ground
23 IOW# 24 Ground
25 IOR# 26 Ground
27 IOCHRDY 28 Pull-down
29 DMA ACK# 30 Ground
31 INT REQ 32 N/C
33 SA1 34 N/C
35 SA0 36 SA2
37 HDC CS0# 38 HDC CS1#
39 HDD Active# 40 Ground
■ J11 : Fast & Standard IrDA Header
PIN No. Signal Description
1 VCC(+5V)
2 FIRRX
3 SIRRX
4 Ground
5 IRTX
6 N/C
■J14 : CPU Cooling FAN Power Connector
PIN No. Signal Description
1 Ground
2 +12V
3 Pull-up +5V (Reserved for fan sense)

Hardware Configuration Setting
3303788 User’s Manual 2-8
■J6 : FDC Interface Connector
PIN No. Signal Description PIN No. Signal Description
1 Ground 2 Density Select
3 Ground 4 N/C
5 Ground 6 N/C
7 Ground 8 Index#
9 Ground 10 Motor ENA#
11 Ground 12 Drive Select B#
13 Ground 14 Drive Select A#
15 Ground 16 Motor ENB#
17 Ground 18 Direction#
19 Ground 20 Step#
21 Ground 22 Write Data#
23 Ground 24 Write Gate#
25 Ground 26 Track 0#
27 Ground 28 Write Protect#
29 Ground 30 Read Data#
31 Ground 32 Head Select#
33 Ground 34 Disk Change#
■J9 : Parallel Port Connector
PIN No. Signal Description PIN No. Signal Description
1 Strobe# 14 Auto Form Feed#
2 Data 0 15 Error#
3 Data 1 16 Initialization#
4 Data 2 17 Printer Select IN#
5 Data 3 18 Ground
6 Data 4 19 Ground
7 Data 5 20 Ground
8 Data 6 21 Ground
9 Data 7 22 Ground
10 Acknowledge# 23 Ground
11 Busy 24 Ground
12 Paper Empty 25 Ground
13 Printer Select 26 N/C

Hardware Configuration Setting
3303788 User’s Manual 2-9
■J13 : Standard P8 Power Connector
PIN No. Signal Description
1 N/C
2 +5V
3 +12V
4 -12V
5 Ground
6 Ground
■J18 : PS/2 Mouse Connector (6-pin Mini-DIN)
PIN No. Signal Description
1 MouseData
2 N/C
3 Ground
4 +5V
5 MouseClock
6 N/C
■J20 : External PS/2 Mouse Connector
PIN No. Signal Description
1 MouseClock
2 MouseData
3 N/C
4 Ground
5 +5V
■ J23 : External USB Interface Connector
PIN No. Signal Description PIN No. Signal Description
1 +5V 2 N/C
3 SBD0- (USBP0-) 4 Ground
5 SBD0+ (USBP0+) 6 SBD1+ (USBP1+)
7 Ground 8 SBD1- (USBP1-)
9 N/C 10 +5V
■J12 : ATX Power Button Interface
PIN No. Signal Description
1 Power Button Control Signal
2 Ground