HP Vectra 500 Series - Manual (Page 29)

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2 System Board - (SiS Chipset) (Part Number: D4051-63001)
Overview
Configuration
• Supported Processor: P54CS.
• Level-2 (L2) 256 KB cache sockets.
• UMA Chipset from SiS consisting of three chips that interface between the
three main buses (the Host bus, the PCI bus and the ISA bus):
SiS 5511: Host/PCI bridge, L2 cache memory controller
and memory controller.
SiS 5512: PCI Local Data Buffer (Data Path).
SiS 5513: PCI/ISA bridge, plus integrated functions.
• Six SIMM module sockets for Extended Data Out (EDO) Dram main
memory.
• Onboard graphic controller:
SiS 6205 used in UMA mode.
• NS 87308 or NS 87307: Super I/O which includes the following features:
Keyboard and mouse controller.
Floppy drive controller.
Two serial ports.
One parallel port.
• Little-Ben chip is an HP designed chip that takes care of security features,
power management and some glue logic.
• APM (Advanced Power Management) 1.1 power management compliant.
• 2 Mb Flash Memory (28F020-150) for BIOS.