65KV2-CT
CHAPTER 1
INTRODUCTION
• This chapter briefly introduces the characteristics of this mainboard. It
includes the information regarding the chipset, CPU types, built-in
functions and layout. Users will have more ideas about mainboards after
reading this chapter.
THIS CHAPTER CONTAINS THE FOLLOWING TOPICS :
1-1 MAINBOARD SPECIFICATION
1-2 MAINBOARD LAYOUT
1-3 CHIPSET DIAGRAM
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Chapter 1 Introduction
1- 1 MAINBOARD SPECIFICATION
1-1-1 CPU
• Supporting Intel® FC-PGA Pentium IIITM up to 1GHz.
• Supporting Intel® FC-PGA 370 Celeron up to 1GHz.
• Supporting Intel® FC-PGA2 Tualatin processors.
• Supporting VIA Cyrix III up to 1GHz.
• Supporting 66 to 200 MHz system bus speed.
• Supporting CPU voltage Auto-Detect circuit.
1-1-2 CHIPSET
• North Bridge - VIA VT82C694T.
• South Bridge - VIA VT82C686B.
1-1-3 HIGH PERFORMANCE DRAM CONTROLLER
• Supporting FP, SDRAM, and VCM SDRAM memory types up to 3 DIMMs.
• 64-bit data width and 3.3V DRAM interface.
• Supporting up to 1.5 GB memory space.
• Different DRAM types may be used in mixed combinations.
• PCI-2.2 compliant, 32 bit 3.3V PCI interface with 5V tolerant inputs .
• DRAM interface synchronous with host CPU (66/100/133 MHz) or AGP
(66MHz) for most flexible configuration.
• DRAM interface may be faster than CPU by 33MHz to allow use of PC100
memory modules with 66MHz Celeron or use of PC133 with 100MHz
Pentium III.
• DRAM interface may be slower than CPU by 33 MHz to allow use of older
memory modules with newer CPUs (e.g., PC66 memory modules with
100 MHz Pentium III).
1-1-4 ACCELERATED GRAPHICS PORT (AGP)
• Synchronous and pseudo-synchronous with the host CPU bus with
optimal skew control PCI AGP CPU Mode 33/66/100 MHz DDR 3x
synchronous.
• Supporting 66MHz 1x/2x/4x modes for AD and SBA signaling.
• AGP v2.0 compliant.
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65KV2-CT
1-1-5 MULTI-I/O FUNCTION
• Two Ultra DMA-33 / 66 / 100 Master Mode PCI EIDE ports.
• Two UARTs for Complete Serial Ports.
• One dedicated IR connector:
--- Third serial port dedicated to IR function either through the two complete serial
ports or the third dedicated port Infrared-IrDA (HPSIR) and ASK (Amplitude
Shift Keyed) IR.
• Multi-mode parallel connector supporting:
--- Standard mode, ECP and EPP.
• Floppy Disk connector supporting:
--- Two FDDs with drive swap function.
• Universal Serial Bus connector supporting:
--- USB v1.1 and Intel Universal HCI v1.1 compatible.
--- 2 built-in USB connectors, in addition to one internal USB header which requires
a USB cable to support 2 more optional USB ports.
• PS/2 Keyboard connector.
• PS/2 Mouse connector.
1-1-6 EXPANSION SLOTS
• Five PCI bus Mater slots.
• One ISA slot.
• One AMR slot.
• One AGP 4x mode slot.
• Three DIMM slots.
1-1-7 AWARD BIOS V6.0, SUPPORTING
• Plug & Play V1.0.
• Flash Memory for easy upgrade.
• Year 2000 compliant.
• BIOS writing protection.
1-1-8 SOUND CONTROLLER
• Sound Blaster Pro Hardware and Direct Sound Ready AC’97 Digital
Audio Controller with Codec onboard.
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Chapter 1 Introduction
1-1-9 POWER MANAGEMENT
• ACPI 1.0 compliant (Advanced Configuration and Power Interface).
• APM V1.2 compliant (Legacy power management).
• System event monitoring with two event classes.
• Supporting PS/2 Keyboard & Mouse Wake-up.
• Supporting Wake On LAN (WOL) & Wake On Modem.
• Supporting real time clock (RTC) with date alarm, month alarm, and
century field.
1-1-10 FORM FACTOR
• ATX form factor, 4 layer PCB.
• Motherboard size: 19.0cm X 30.5cm.
1-1-11 HARDWARE MONITORING
• Programmable control, status, to provide monitoring and alarm for flexible
desktop management of hardware temperature. (software included in
support CD).
• 5 positive voltage statuses monitoring.
• 2 fan speeds statuses monitoring.
• 2 temperature statuses monitoring.
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65KV2-CT
1-2 MOTHERBOARD LAYOUT --- 65KV2-CT
1
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VIA
VT82C
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CD_IN1
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JP4
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AC'97
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PCI 1
PCI 2
PCI 3
PCI 4
PCI 5
JWOL1
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1-3 CHIPSET SYSTEM BLOCK DIAGRAM
Chapter 1 Introduction
Socket-370 or
Slot-1 Host CPU
SMIACT#
VT82C
694T
Pro133T
North Bridge
552 BGA
SUSCLK,
SUSST1#
HCLK
SMI#, STPCLK#, SLP#
CKE#
Memory Bus
MCLK
HCLK
PCLK
SDRAM
Clock
Buffer
VT82C
686B Power Plane & Peripheral Control
CPUSTP#
PCISTP#
SMBus
Clock
Generator
3D Graphics
Controller
PCLK
GCLK
AGP Bus
PCKRUN#
PCI Bus
BIOS ROM
ATA 33/66/100
USB Ports 0 - 3
AC97 Audio Codec
AC97 Link
ISA Bus
RTC Crystal
Super South
South Bridge
352 BGA
GPIO and ACPI Events
Hardware Monitoring Inputs
Keyboard / PS2 Mouse
Serial Ports 1 and 2
Parallel Port
Floppy Drive Interface
MIDI / Game Ports
Diagram of Pro133T System Block Using the VT82C686B South Bridge
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65KV2-CT
MEMOMEMO
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