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Full Discussion: Microcode vs Firmware
Operating Systems AIX Microcode vs Firmware Post 302343111 by balaji_prk on Tuesday 11th of August 2009 03:28:34 PM
Old 08-11-2009
Error Microcode vs Firmware

This ran through my mind while writing a doc, may be dumb one.

I have seen people using the terms Microcode and Firmware in IBM system p world interchangeably.

Firmware update or microcode update

Is that right? Are they synonyms?
 

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OFISA(4)						   BSD Kernel Interfaces Manual 						  OFISA(4)

NAME
ofisa -- introduction to machine-independent Open Firmware ISA bus support and drivers SYNOPSIS
ofisa* at mainbus0 XX* at ofisa? DESCRIPTION
NetBSD includes a machine-independent ISA bus subsystem and several machine-independent ISA device drivers. The ofisa bus uses Open Firmware to determine how to attach devices. HARDWARE
NetBSD includes machine-independent Open Firmware ISA drivers, sorted by device type and driver name: Disk and tape controllers wdc Standard Western Digital type hard drive controllers: MFM, RLL, ESDI, and IDE/ATAPI. Serial and parallel interfaces com NS8250-, NS16450-, and NS16550-based serial ports. lpt Standard ISA parallel port interface. Network interfaces cs Cirrus Logic Crystal CS8900 Ethernet interfaces. Sound cards and MIDI interfaces ess ESS Technology AudioDrive 1788-, 1888-, 1887-, and 888-based sound cards. Miscellaneous devices joy Game (joystick) adapters. SEE ALSO
com(4), cs(4), ess(4), intro(4), isa(4), joy(4), lpt(4), wdc(4) HISTORY
The Open Firmware ISA subsystem appeared in NetBSD 1.4. BSD
July 25, 2000 BSD
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