Toshiba Portege 2000 Maintenance Manual page 19

1.1 Features
PCI chipset
This gate array incorporates the following elements and functions
• North Bridge (Ali/Trident-made M1644T)
− Pentium II/III supported
− Maximum capacity of SDRAM or DDR-SDRAM is 3GB
− DRAM control
− Complies with AGP V2.0 x 4 modes
− Complies with PCI R2.2
− Complies with APCI 1.0b
− PCI Mobile Busy#/STOP# supported
− 555-ball 35x35mm BGA package
• South Bridge (Ali/Trident-made M1535B)
− PCI 3.3V/5V tolerance interface
− Provides Steerable PCI interrupts for PCI device Plug-and-Play
− Enhanced DMA controller
− Interrupt controller
− Counter/timers
− Distributed DMA supported
− PC/PCI DMA supported
− Serial IRQ supported
− Low Pin Count (LPC) host controller
− Plug-and-Play supported
− Built-in KB controller
− ACPI supporting features
− Built-in PCI IDE controller
− USB interface
− SMBus interface
− Super I/O interface
− Audio system
− SW modem interface
− 352-ball (27mm x 27mm) BGA package
VGA controller
Included in North Bridge
PC card controller (YEBISU3S)
• PCI interface (PCI Reision2)
• Chipset interface
Intel serial interrupt
• CardBus/PC Card controller (Yenta Version2.2) :2 slots
Portege 2000 Maintenance Manual (960-333)
1 Hardware Overview
1-7