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1-3 Chipset Diagram
• The VT8366A and VT8233 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.
GCLK
3D
AGP Bus
Graphics
Controller
GCKRUN#
PCLK
ATA33/66/100
Diagram of Apollo Pro266A System Block Using the VT8233 V-Link
Athlon
Host CPU
Data
Address
Out
In
VT8366A
DDR Vlink
Host North
552 BGA
SUSCLK,
PCKRUN#
SUSST1#
PCI Bus
VT8233
Vlink
Client South
MII/LAN
352 BGA
6x USB
LPC
South Bridge
15
Chapter 1 Introduction
SYSCLK, SYSCLK#
INTR, NMI, SM#, STPCLK#,
IGNNE#, FERR#, A20M#,
PWROK, INIT#, RESET#
CKE#
SDR/DDR Memory Bus
MCLK
HCLK
PCLK
CPUSTP#
PCISTP#
SMBus
Power Plan & Peripheral Control
GPIO and ACPI Events
SDR/VCM
& DDR
SDRAM
Clock
Buffer
Clock
Generator
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