LASI(4) Device Drivers Manual (hppa) LASI(4)

lasi — core bus controller and I/O subsystem as present on newer HP 9000/700 workstations and single-board computers

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

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)

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

asp(4), gsc(4), intro(4), io(4), phantomas(4), power(4), uturn(4), wax(4)

Precision I/O Architecture Reference Specification, Hewlett-Packard.

712 I/O Subsystem ERS, Revision 1.1, Hewlett-Packard, 12 February 1993, Dwg No. A-A2263-66510-31.

Hewlett-Packard Journal, Number 2, Volume 46, April 1995.

The lasi driver appeared in OpenBSD 2.4.

June 18, 2018 OpenBSD 7.5