March 1, 1999 LASI 4 hp700

### NAME

lasi - 2nd generation I/O subsystem

### SYNOPSIS

lasi* at mainbus0 lasi* at phantomas? gsc* at lasi?

### DESCRIPTION

Core bus controller and I/O subsystem as present on newer HP 9000/700 workstations and single-board computers. The supported core bus controllers are those used in conjunction with PA7100LC, PA7300LC and early PA8000 / PA8200 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/*
- 748/*
- A180[C]
- B132L[+], B160L, B180L+
- C100, C110, C132L, C160[L], C180, C200, C240, C360
- J200, J210[XC], J280, J282, J2240
- all [EK]-Class machines
- R380, R390
- RDI PrecisionBook
- SAIC Galaxy 1100

### SEE ALSO

com(4), gsc(4), gsckbc(4), harmony(4), iee(4), intro(4), io(4), lpt(4), osiop(4), phantomas(4),

### HISTORY

The lasi driver appeared in OpenBSD2.4. It was ported to NetBSD1.6 by Matthew Fredette.