Chipset Diagram - SOLTEK SL-75KAV User Manual

1-3 CHIPSET DIAGRAM

• The KT-133A / VT82C686B chipset is a high performance, cost-effective
and energy efficient system controller for the implementation of AGP / PCI
/ ISA desktop personal computer system based on 64-bit Socket-A (AMD
Athlon) processors.
3D Graphics
Controller
PCLK
BIOS ROM
AC97 Audio Codec
RTC Crystal
Diagram of KT133A System Block Using the VT82C686B South Bridge
Athlon
Host CPU
Address
Out
KT133A
GCLK
VT8363A
AGP Bus
GCKRUN#
North Bridge
PCKRUN#
552 BGA
PCI Bus
ATA 33/66/100
VT82C
USB Ports 0 - 3
686B
AC97 Link
ISA Bus
South Bridge
352 BGA
Chapter1 Introduction
SYSCLK, SYSCLK#
INTR, NMI, SMI#, STPCLK#,
IGNNE#, FERR#, A20M#,
PWROK, INIT#, RESET#
Data
In
CKE
Memory Bus
MCLK
HCLK
PCLK
SUSCLK,
SUSST1#
CPUSTP#
PCISTP#
SMBus
Power Plane & Peripheral Control
GPIO and ACPI Events
Hardware Monitoring Inputs
Keyboard / PS2 Mouse
Serial Ports 1 and 2
Parallel Port
Floppy Drive Interface
MIDI / Game Ports
15
SDRAM
Clock
Buffer
Clock
Generator