NR115 Motherboard
1
Chapter 1 Introduction
Motherboard Specifications
Form Factor:
•
Standard
µ
ATX 9.6”x 9.6”
Processor:
•
Supports single Intel
Pentium
4 Processor in 478 ball FC-PGA2 package
•
Processor socket mPGA478B
•
400 MHz system bus
Cache Memory:
•
Processor integrated level-1 cache and level-2 cache.
System Memory:
•
Two 184-pin DIMM socket (90 degree, tin plated contact)
•
Support PC200/266 DDR SDRAM
•
Support 64Mb, 128Mb, 256Mb, and 512Mb DDR_SDRAM devices
•
Support minimum 64MB to 2GB maximum
•
Support suspend -to-RAM sleep state (ACPI S3)
Core Logic Chipset:
•
Intel
i845 MCH (Memory Controller Hub) in 593 ball FC-BGA package
•
Intel 82801BA ICH2 (I/O Controller Hub 2) in 360 ball EBGA package
•
Intel 82802AB 2 Mb FWH (Firmware Hub) or equivalent.
•
AGP Controller
•
AGP v2.0 compliant.
•
Supports 1x/2x/4x AGP signaling and 2x/4x Fast Writes
•
Optimized point-to-point topology using 1.5V signaling in 4x mode.
•
66 MHz asynchronous clock AGP-to-Host interface.
PCI bus:
•
PCI 2.2 compliant
•
PME# and 3.3Vaux signals to support power management.
Audio:
•
ADI AD1885 analog CODEC
•
AC’97 Revision 2.1 compliant (Integrated in ICH2)
•
Three mini-DIN audio jacks (Line-out, Line-in, and Mic-in)
•
••
Two audio headers, locking type: CD-in, Aux-in
