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, Hewlett-Packard, 12 February 1993, Dwg No. A-A2263-66510-31.

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

HISTORY

The lasi driver appeared in OpenBSD 2.4.