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.
2. Function Block Diagram DIMM Module AGP BUS AGP slot Intel PCI slot SMBus Harddisk CS4280 PCI Audio Intel Wake up Line in Crysta Wake up Modem card Speaker ISA slot USB1 Flash ROM COM1 Mouse ITE 8673 Keyboard or 8693 FRONT PANEL II.
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) (F82371e PIIX4e) Battery (3V) 4 / 12...
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. CPU : Pentium II processor 233/266/300/333/366MHz and Pentium III processor 350/400/450/500/550MHz Memory : EDO, SDRAM Modules (2bank, 16MB-256MB) Expansion slot : Three master PCI and One ISA slot One shared, One AGP slot 2-1.
2-3 BIOS The motherboard uses a TriGem-AMI BIOS, which is stored in flash memory and can be upgraded using a disk- based program. A new version of the BIOS can be upgraded from a diskette using the Flash Memory Update utility.
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 First Second...
Jumper Setting Method 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. ODM Vendor Trigem Export Trigem Domestic Reserved 1 2 3 8 / 12...
2-2. Motherboard External I/O Port Parallel port Mouse MIC L_IN SPK COM2 COM1 USB Keyboard 3. Joystick & USB daughter board Joystick 20pin Flat Cable 4. LED & Power S/W board Power LED HDD Access LED Power Switch LED board to board connector Power LED color : Green (normal working) Blinking Green (power management mode)
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