lasi(4)

lasi4

Core bus controller and i/o subsystem as present on newer hp 9000/700 workstations and single-board computers

Usage

lasi0 at mainbus? irq 28 lasi0 at phantomas? irq 28 lasi0 at uturn? irq 28 gsc* at lasi?

Overview

The supported Core bus controllers are those used in conjunction with PA7100LC and PA7300LC CPUs and based upon LSI's macrochip that includes:

  • Core bus controller

  • System clock

  • Interrupt controller

  • Real-time clock Interface

  • Power system support

  • RAM and Flash EEPROM controllers

  • Two PS/2 ports

  • RS-232 and Centronics I/O ports

  • i82596CA LAN coprocessor

  • NCR53c710 SCSI I/O processor

  • Serial Interface for the CS4216 audio codec

  • Interface for the WD37C65C floppy drive controller

  • Optional telephone interface (two fax/voice modem channels)

Machines

An incomplete list of machines that use the LASI bus controller:

  • 712/*

  • 715/{64/80/100}[XC]

  • 725/{64/80/100}

  • 743/*

  • 744/*

  • 745/*

  • A180[C]

  • B132L[+], B160L, B180L+

  • C100, C110, J200, J210[XC]

  • RDI PrecisionBook

  • SAIC Galaxy 1100

History

The lasi driver appeared in OpenBSD 2.4.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.