NAME

spdmem — Serial Presence Detect memory

SYNOPSIS

spdmem* at iic?
# macppc
spdmem* at mem?
# sgi
spdmem* at mainbus?

DESCRIPTION

The spdmem driver retrieves information about memory modules from an onboard EEPROM, standardised as JEDEC 21-C. Currently spdmem is able to decode information relating to SDRAM and DDR/DDR2/DDR3 SDRAM.

SEE ALSO

iic(4)

HISTORY

The spdmem device driver first appeared in OpenBSD 4.3.

AUTHORS

The spdmem driver was written by Nicolas Joly, Paul Goyette, and Tobias Nygren and ported to OpenBSD by Jonathan Gray <jsg@openbsd.org>.