LASI(4) | Device Drivers Manual (hppa) | 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, 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.

June 18, 2018 | Debian