SPDMEM(4) | Device Drivers Manual | SPDMEM(4)

# NAME

`spdmem` — Serial Presence Detect memory

# SYNOPSIS

`spdmem* at iic?`

`# macppc`
`spdmem* at mem?`

# 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>.

May 1, 2021 | Debian