PCI/ISA System Board
Modular Cache Memory
•
160-pin socket for cache module
• 3.3V/5V asynchronous SRAM or 3.3V pipeline burst
SRAM
•
256KB, 512KB or 1MB Buffered WT cache
•
256KB and 512KB modules available
• 32 byte or 64 byte line size to allow the use of optional
cache Tag RAM size
Multiprocessor Operating Systems
•
Windows NT 3.1/3.5/3.51
•
SCO Unix Open Desktop/Open Server 3.0 (MPX)
•
OS/2 2.11
Memory
•
Up to 512MB
•
Eight 72-pin single and/or double density SIMM sockets
•
256KBx32/36, 512KBx32/36, 1MBx32/36, 2MBx32/36,
4MBx32/36, 8MBx32/36 or 16MBx32/36 non-parity/parity
SIMMs
• 60ns or 70ns fast page mode DRAM
Two PCI IDE Connectors
•
CMD 646 Bus Master PCI IDE chip
•
PIO Modes 3 and 4 Enhanced IDE
•
Bus Master DMA Mode 2 IDE supported
•
ATAPI IDE CD-ROM supported
Integrated I/O
•
Two NS 16C550A-compatible high speed UARTs
• One SPP/EPP/ECP parallel port
• One 720K/1.2MB/1.44MB/2.88MB floppy controller
•
PS/2 mouse and keyboard ports
•
IrDA (infrared) TX/RX header
Serial interface compliant with IrDA and HPSIR
1-3
u
Introduction
