The PR5’ s feature list includes:
CPU Support
– Socket 7 ZIF socket for Pentium and com-
patible CPUs as follows:
•
Intel Pentium 75 – 200MHz CPUs
•
AMD AMD-K5 75 – 100MHz CPUs
•
Cyrix 6x86 P120+, 133+, 150+ and 166+ CPUs
•
Future Pentium-class CPUs
Chipset
– Intel 430VX:
•
Incorporates concurrent PC Rev. 2.1 for enhanced
interface card speed
L2 Cache
– Pipeline Burst Level 2 cache:
•
256KB onboard
•
Upgradable to 512KB using COAST module in
upgrade socket
System DRAM
– Expandable up to 128MB in multiple
configurations (no DIMM sockets on PR5B):
•
Four 72-pin sockets for Fast Page or EDO DRAM
SIMM memory modules
•
Tw o 1 6 8 - p in s o c k e t s f o r F a s t P a g e , ED O o r
SDR AM DIMM me mory modu les
•
Supports Intel-specified 3.3V Unbuffered DRAM
for DIMM modules
System BIOS
– Award BIOS with support for:
•
Plug and Play
•
Advanced Power Management
•
DMI (Desktop Management Interface) features in-
cluding system suspend
Onboard Multi I/O
– Onboard I/O ports and disk con-
trollers including:
•
Two Universal Serial Bus (USB) ports
•
One EPP/ECP bidirectional parallel port
•
Two high-speed 16550-compatible serial ports
•
Floppy disk controller supports 360KB, 720KB,
1.2MB, 1.44MB and 2.88MB formats
•
Enhanced IDE hard disk controller supports PIO
Mode 0 – 4 and Bus Mastering
Additional Features
– Other features include:
•
“ AT” dimensions for ease of installation
•
Expansion bus with four ISA and three PCI slots
•
Support for the 3-Mode floppy disk standard
•
Can boot from either of two hard disk drives al-
lowing support for dual operating systems
Summary of Contents for PR5
Page 10: ...System Block Diagram ...
