Controllers, Cache, Math coprocessor – Epson Epson User Manual

Page 165: Clock/ calendar, Pci chipset, Video diskette

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Cache

8 or 16KB of internal cache in the

processor; supports 128, 256, or 512KB of

external cache with 32K x 8,64K x 8, or

128K x 8, 15ns or 20ns SRAM DIP chips

and a 32K x 8 tag chip

Math

coprocessor

Math coprocessor built into the processor
on all DX and Intel Pentium OverDrive

processors

Clock/

calendar

Real-time clock, calendar, and CMOS
RAM socketed on main system board with
integrated Lithium battery

Controllers

PCI Chipset

Provides PCI caching, memory and
control for the PCI bus, and the

two-channel PCI IDE interface; integrated

PCI bridge translates CPU bus cycles to
PCI bus cycles and CPU-to-PCI memory

write cycles to PCI burst cycles

Video

Diskette

Cirrus Logic@ GD5430 high-performance
GUI accelerator controller supports

resolutions up to 1024 x 768 in 256 colors

with 1MB of VRAM; 1280 x 1024 with 2MB

of VRAM

Controller on main system board supports

up to two diskette drives or one diskette/

combo diskette and one tape drive

Specifications

A-3

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