LASI(4)

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

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

DESCRIPTION
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

SEE ALSO
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, 12 February 1993, Hewlett-Packard, Dwg No. A-A2263-66510-31. Hewlett-Packard Journal, April 1995, Volume 46, Number 2.

HISTORY
The lasi driver appeared in OpenBSD 2.4.