Board Characteristics; Interface Descriptions; The Pci Interface - LSI LSI21003 User Manual

1.2.3 Board Characteristics

1.3 Interface Descriptions

1.3.1 The PCI Interface

Fast, Ultra, Ultra2, and Ultra160 data transfer capability
SCSI Termination Power (TERMPWR) source with autoresetting
circuit breaker
Supports SE and LVD signaling with automatic termination
– Channel A is SE only with autosense termination
– Channel B is SE or LVD with termination permanently enabled
Performs complex bus sequences without interrupts, including
restore data pointers
SCSI Plug and Play
Flash ROM for BIOS storage
Serial EEPROM for each channel for user configuration utility
SCSI activity connector for external LED
LSI53C1010-33 PCI Dual Channel SCSI Multifunction Controller
includes 8 Kbytes internal RAM per channel for SCRIPTS instruction
storage
The board characteristics are:
PCI board dimensions: approximately 177.8 x 83.8 mm
(7.0 x 3.3 inches)
Universal 32-bit PCI card edge connector
ISA/EISA bracket
This section provides an overview of the PCI Interface, the SCSI
Interface, and the SCSI Activity LED Interface. It also provides
information about cabling.
PCI is a high-speed standard local bus for interfacing a number of I/O
components to a PC processor and memory subsystem. The PCI
Interface Descriptions 1-3