Versa 5000 Series Service and Reference Manual - Support

Technical Information 1-15
NEC VERSA CHIP SET
Refer to Table 1-3 for a quick summary of chip types used in the system. See the Abbreviations
section at the beginning of this manual for a translation of chip technologies.
Table 1-3 NEC Versa Series Chip Types and Technologies
Chip Manufacturer Description Technology
Intel Pentium
P55CTT80503
Intel 166 MHz CPU 320-pin TCP
82C700(FireStar) Opti FireStar System Controller 432--pin BGA
82C861(FireLink) Opti USB Controller 100-pin TQFP
N28F002BC-90 Intel 256k x 8 Flash ROM 32-pin PLCC
NM2160 NeoMagic VGA Controller 208-pin FQFP
PC97338 National
Semiconductor
Diskette Controller, IDE,
Parallel Interface
100-pin TQFP
H8/3434 Hitachi Keyboard Controller 64-pin TQFP
PCI1131 Texas Instruments PC Card Controller 208-pin QFP
ES1869 ESS Technologies Sound Controller 100-pin PQFP
Intel Pentium P55CLM Microprocessor
The 166 MHz Intel Pentium microprocessors with MMX technology used in the NEC
Versa Series computer is built on Intel’s advanced 2.5V BiCMOS silicon technology. The
CPU has on-chip dual-processing, a local multiprocessor interrupt controller, and power
management features. NEC adopted the chip specifically for its pipelined Floating Point
Unit (FPU), and local interrupt management.
FireStar System Controllers
NEC implements Opti’s 64-bit single chip controller (82C700) for the NEC Versa 5000
Series notebook’s subsystems including the DRAM controller, Second Level Cache Controller
and PCI Bus interface. The FireStar PCI set features include:
USB Controller
„ 3.3V EDO DIMM (70-ns) support
„ direct mapped organization write-back policy
„ fully synchronous 33 MHz PCI bus interface.
The Opti 82C861 FireStar chip is a PCI USB controller. The controller based on Open HCI
standard and supports hot plug in and unplug.