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Napoli-2
Manual
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TriGem Napoli-2 Manual

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TriGem Micro-ATX Motherboard (Napoli-2)
Table of Contents
I. Introduction
1. Generation Description ------------------------------------------------------------ 2
2. Function Block Diagram ------------------------------------------------------------ 3
II. System Overview
1. Major Units ------------------------------------------------------------------------- 4
III. Jumper & Connector Description
1. Motherboard Jumper Setting------------------------------------------------------- 8 1-1. DIP Switch Setting Method ----------------------------------------------- 8
2. Motherboard Connector Description ------------------------------------------- 9 2-1. Motherboard Internal Connector --------------------------------------- 9 2-2. Motherboard External I/O Port ------------------------------------------- 12
3. Joystick & USB daughter board ------------------------------------------------ 12
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I. Introduction
The Napoli-2 Micro ATX motherboard offers a time to market consumer and corporate desktop solution featuring the Pentium-II,III(R) processor with 66/100MHz front side bus and the Intel 443BX(or ZX) sets in a Micro ATX low profile motherboards
The Napoli-2 motherboard was designed to be highly minimized system cost. In this effort a smaller form factor, Micro-ATX, gives the greater space economy and more affordable systems. Integrating AGP graphics controller and SDRAM, as well as PCI audio solution onto the motherboard eliminates the need for more expensive graphic and audio add-in cards. The end result is a system platform with a primary component level of integration with translates into affordable solution for entry level users.

1. General description

T Motherboard
• Small PCB size in the Micro ATX form factor (ATX V1.2 form factor)
• 227mm * 240mm * 1.6t (4 Layers)
T Processor
• Single Slot 1 Connector
• Intel Pentium-II processor 233/266/300/333MHz & Pentium-III 300/366/400/450/500/550MHz
• Single edge contact cartridge design include a dedicated 512KB L2 cache
T Main Chipset
• AGPsets PCI/AGP Controller : Intel 440ZX(82443ZX) or 440BX(82443BX) AGP Set
• PCI bus mastering controller, and Power management interface : PIIX4e(82371EB)
• Audio : Crystal CS4280 + CS4297
• Super I/O : ITE 8673 or 8693
• DC-DC Converter : SC1164CS
• Clock : ICS 9148-26 (60/66/75/83/90/100MHz host clock support)
T Memory Configuration
• System Memory
- Two banks of 3.3V EDO/SDRAM (168pin unbuffered DIMM) with max 256MB
- EDO/SDRAM operation in 66MHz front side bus and 100MHz SDRAM with 100MHz FSB.
• Flash Memory : Programmable 2MB Flash memory
T I/O Feature
• Integrated standard I/O functions in the rear side
- One multi-mode parallel port
- One FIFO serial ports and optional port by header type
- PS/2 styles keyboard and mouse port
- One USB port
- Three audio jack for Line input, Speaker output and MIC input
• Integrated standard I/O functions in the front side
- One Joystick port
- One USB port
T Audio Subsystem
• PCI Version 2.1 Bus Master
• PC’97 and PC’98 Compliance(and compliance with preliminary PC’99)
• Enhanced Stereo full duplex operation
• Advanced MPC3-compatible input and output mixer
• Joystick port and MPU-401 compatible MIDI interface
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2. Function Block Diagram
DIMM Module
Harddisk
SMBus
MD
MA
HD
Intel
HA
AGP BUS
AGP slot
PAC
AD
PCI slot
LPT
USB1
COM1
Mouse
Keyboard
FDD
Wake up
Wake up
Modem card
Intel
I/O
SD
SA
ITE 8673 or 8693
CS4280
Crysta
XD
PCI Audio
MIC
Line in
Speaker
ISA slot
Flash ROM
FRONT PANEL
II. System Overview
5
FAN
Intrusion
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1. Major Units
Sound CODEC Chipset (CS4297)
Slot1
North Bridge
(440BX or 440ZX)
Clock chipset
(ICS9148-26)
DIMM Socket Sound Chipset (CS4280) Flash ROM
Super I/O South Bridge (ITE8673 or 8693) (F82371eÆPIIX4e)
Battery (3V)
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2. Upgradeability
This section describes the major specification of user upgrade parts. CPU, Memory, and extension slot will provide
a user to upgrade the overall performance by adding or changing these parts with other higher.
T CPU : Pentium II processor 233/266/300/333/366MHz and Pentium III processor 350/400/450/500/550MHz T Memory : EDO, SDRAM Modules (2bank, 16MB-256MB) T Expansion slot : Three master PCI and One ISA slot One shared, One AGP slot
2-1. Processor
This motherboard supports a single Pentium II processor or Pentium III processor. The processor’s VID pins automatically program the voltage regulator, which is on the motherboard for the required processor voltage. The motherboard supports processors that run internally at 300/333/300/350/400/450/500/550MHz, and have a 512Kb second level cache.
T Packing T Expansion slot : Three master PCI and One ISA slot One shared, One AGP slot
2-2. Memory
The motherboard has two, dual inline memory module (DIMM), minimum 16MB to maximum 256MB memory size. The BIOS can automatically detect the memory type, size, and speed through SMBUS interface between the core chipset and DIMM module.
The motherboard supports the following memory features
• 3.3V and unbuffered168-pin DIMM
Voltage detection
3.3V Version 5V Version
Unbuffered detection
Unbuffered Buffered
• 66MHz and 100MHz unbuffered SDRAM, and also EDO DRAM
• Non-ECC memory and ECC memory support
• Single or double-sided DIMM with the following types
DIMM size Non-ECC memory ECC memory 16MB 2Mbit * 64bit 2Mbit * 72bit 32MB 4Mbit * 64bit 4Mbit * 72bit 64MB 8Mbit * 64bit 8Mbit * 72bit 128MB 16Mbit * 64bit 16Mbit * 72bit
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2-3 BIOS
The motherboard uses a TriGem-AMI BIOS, which is stored in flash memory and can be upgraded using a disk­based program. A new version of the BIOS can be upgraded from a diskette using the Flash Memory Update utility.
T Flash memory organization
Address (Hex) Size Functional description FFFF0000 – FFFFFFFF 64KB Boot block FFFA0000 – FFFEFFFF 256KB Main BIOS block FF9F0000 - FFF9FFFF 8KB Used by BIOS (Event logging) FFF9E000 - FFF9EFFF 8KB OEM logo or can flash area FFF9C000 - FFF9DFFF 16KB DMI configuration data, PnP, FFF90000 - FFF9BFFF 96KB Fault tolerant storage FFF80000 - FFF8FFFF 64KB Fault tolerant backup block
T On-board device management
The BIOS can manage the devices on the motherboard over the CMOS setup menu. However the built-in AGP graphics controller can be disabled by the corresponding jumper as described Jumper Setting section later.
Device Description CMOS setup menu Default value Internal Cache Pentium Processor Enable / Disable Enabled PS/2 Mouse Super I/O (ITE8673 or 8693) Enable / Disable Enabled USB Function South Bridge (PIIX4e) Enable / Disable Enabled On board Sound CS4280 + CS4297 Enable / Disable Enabled On board FDC Super I/O (ITE8673 or 8693) Auto / Enable / Disable Auto On board serial Super I/O (ITE8673 or 8693) Auto / 3F8 / 2F8 / 3E8 / 2E8 Auto On board parallel Super I/O (ITE8673 or 8693) Auto / Disable / 378 / 278 / 3BC Auto On board IDE South Bridge (PIIX4e) Disable / Primary / Secondary / Both Both
2-4. Expansion Slot
The motherboard support ISA, PCI and AGP function. ISA and PCI functions are extended to the additional slot with two ISA and two PCI, and AGP function is designed in the motherboard with AGP graphics controller.
T PCI configuration space map
Bus number Device number Function number Device 00 00 00 F82443BX or ZX (North bridge) 00 01 00 PIIX4e (South bridge) 00 07 00 PCI/ISA bridge (South bridge) 00 07 01 IDE bus master (South bridge) 00 07 02 USB (South bridge) 00 07 03 Power management (South bridge) 01 00 00 AGP Slot 00 13 00 PCI slot1 00 12 00 PCI slot2 00 11 00 PCI slot3 02 10 00 CS4280(Sound Controller)
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T PCI interrupt & master number routing map
The F82371e(PIIX4e) PCI/ISA bridge has four programmable interrupt request input signals. Any PCI interrupt source connects to one of these interrupts signals and assigned to the free proper interrupt number by PnP BIOS.
SB INT Signals PIRQA INTA INTB INTA PIRQB INTB INTC PIRQC INTC INTD PIRQD INTD INTA INT D INTA Master REQ0 REQ1 IDSEL AD30 AD29 AD27 AD22 GAD17 AD18
First PCI slot
Second PCI slot
Sound Device
AGP * slot
PIIX4e USB device
2-5. Advanced Configuration and Power Interface (ACPI)
The motherboard and system BIOS support the ACPI that requires an ACPI-aware operating system such as Windows-NT 5.0 or Windows 98. ACPI feature include
• Plug and play and APM functionality normally contained in the BIOS
• Power management control of individual devices : add-in cards, hard disk drives, USB devices, and Video
• A soft-off feature that enables operating system to power off the computer
• Support for multiple wakeup events
• Indication LED for normal mode (Amber), standby mode (Blinking Amber ), and suspend mode (Green)
but this function is dependent on the LED logic.
T Wakeup devices and events
Wakeup device Wakeup events and functionality Power switch Wakeup from Power-off status and power-off function LAN Wakeup from power-off status Modem Wakeup from power-off status Thermal event Wakeup from power-off status Sleep button Wakeup from power-off status and go to suspend mode (option)
2-6. Manufacturing Options
The motherboard has several manufacturing option according to OEM/ODM requirement. Make sure that these options can be applied in the assembly stage, and it’s impossible to upgrade or change in the customer field.
Option items Selectable functionality Feature changes Joystick port Front side / Rear side Use additional board or not USB port Front side / Rear side Use additional board or not
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III. Jumper & Connector Description
1. Motherboard Jumper Setting
1-1. DIP Switch Setting Method
OFF
ON
8 7 6 5 4 3 2 1
CPU Freq Ratio
T
Ratio SW1 SW2 SW3 SW4
2x ON ON ON ON 3x ON OFF ON ON 4x OFFONONON 5x OFF OFF ON ON
2.5x ON ON OFF ON
3.5x ON OFF OFF ON
4.5x OFF ON OFF ON 2x OFF OFF OFF OFF
T Other functionality
DIP Switch Function ON OFF
SW5 CMOS RAM function Clear CMOS RAM Enable write/save SW6 Password function Clear password Enable password SW7 CMOS setup function Disable to edit CMOS contents Enable to edit CMOS contents SW8 FDD write protect Disable to write data
to Floppy disk
Enable to write data
to Floppy disk
1-2. Jumper Setting Method
T OEM/ODM selector
These jumpers (J2,3, 7) will be optional parts for the OEM/ODM logo message selector.
For the proper operation, these jumpers should be set together.
J2 J3 J7 ODM Vendor
2-3 2-3 2-3 ODM
2-3 2-3 1-2 Trigem Export 2-3 1-2 2-3 Trigem Domestic 2-3 1-2 1-2 Reserved
1 2 3 J11 J12 J13
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2. I/O Header Connector Description
2-1. Motherboard Internal Connector
Joystick & USB Header (CON1,CN71)
Slot 1 (CN1)
ISA (CN17)
PCI (CN14, CN13, CN12)
Modem Sound (CN46, CN70) Video Sound (CN45) CD Sound (CN43, CN44) DIMM Module
AGP Slot (CN21) ATX PSU connector (CN7)
Sec-IDE connector (CN11)
PC/PCI (CN23) Pri-IDE connector (CN10)
FDD connector (CN9)
CPU FAN(CN53)
Chassis FAN(CN55)
LAN Wakeup (CN50) Chassis Connector (CN52)
Aux.-Indicator Header (CN48)
Indicator Header (CN49)
T CPU FAN connector (CN53)
1 2 3
CN53
T System FAN connector (CN54)
1 2 3
CN54
T Chassis FAN connector (CN55)
1 2 3
Modem Wakeup (CN51) System FAN (CN54)
Pin number Signal description
1GND 2FAN power 3 Tachometer (speed)
Pin number Signal description
1GND 2FAN power 3 Tachometer (speed)
Pin number Signal description
1GND 2 FAN control 3 Tachometer (Speed)
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T PC/PCI connector (CN23)
2 4 6
1 3 5
T Joystick connector (CON1,CN71)
3 1 8 7 6 5 4 3 2 1
4 2 16 15 14 13 12 11 10 9
T Video Sound (CN45)
1 2 3 4
CN45
Pin Signal description Pin Signal description
1 /PCGNTA 4 /PCREQA 2GND 5N.C 3 Key 6 SER_IRQ
Pin Signal description Pin Signal description
1 VCC 9 VCC 2 GD(4) 10 GD(6) 3GD(0) 11GD(2) 4 GND 12 MIDI OUT 5GND 13GD(3) 6 GD(1) 14 GD(7) 7 GD(5) 15 MIDI IN 8VCC 16Key 1 GND 3 Positive DATA 2 Negative DATA 4 VCC
Pin Signal description Pin Signal description
1 Left Sound 3 GND 2 GND 4 Right Sound
T Modem Sound (CN46, CN70)
1 2 3 4 5
CN46
1 2 3 4
CN70
T CD Sound (CN43, CN44)
1 2 3 4
ATAPI CD (CN43)
1 2 3 4
Mitsumi CD (CN44)
Pin Signal description Pin Signal description
1MIC 4GND 2 GND 5 MONO IN 3 MONO OUT
Pin Signal description Pin Signal description
1 MONO IN 3 GND 2GND 4MIC
Pin Signal description Pin Signal description
1 Left Sound 3 GND 2 GND 4 Right Sound
Pin Signal description Pin Signal description
1 GND 3 GND 2 Left Sound 4 Right Sound
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T LAN Wakeup (CN50)
1 2 3 4
Pin Signal description Pin Signal description
1 +5VSB 3 LANWK 2GND
T Modem Wakeup (CN51)
1 2 3 4
Pin Signal description Pin Signal description
1 Modem Ring 3 +5VSB 2GND
T Indicator Header (CN49)
1 2 3 5 6 8 9 11 12 13 14 15 16 17 19 2 0 21 22
PWR HDD DC SW IrDA Speaker
Pin Signal description Pin Signal description
1VCC 12 GND 2 PM indicator signal 13 IRTX 3GND 14 VCC 4 Key 15 IRSEL 5 VCC 16 N.C 6 HDD access signal 17 GND 7Key 18 Key 8 Power-ON switch signal 19 VCC
9GND 20 GND 10 Key 21 N.C 11 IRRX 22 Speaker signal
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2-2. Motherboard External I/O Port
MIC L_IN SPK COM2 COM1 USB Keyboard
Parallel port Mouse
3. Joystick & USB daughter board
20pin Flat Cable

4. LED & Power S/W board

Power LED
Power Switch

Power LED color : Green (normal working)

Blinking Green (power management mode)

HDD LED color : Green light on (HDD access)

Light off (no access to HDD device)
Joystick USB
HDD Access LED
LED board to board connector
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