1.\" Copyright (c) 2003 Matthew N. Dodd <winter@jurai.net> 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd August 31, 2004 28.Dt VPD 4 i386 29.Os 30.Sh NAME 31.Nm vpd 32.Nd "Vital Product Data kernel interface" 33.Sh SYNOPSIS 34.Cd "device vpd" 35.Sh DESCRIPTION 36.Tn IBM ThinkPad 37notebooks (and most 38.Tn IBM 39desktop PCs) have a 48-byte 40Vital Product Data (VPD) structure located in the BIOS Shadow RAM. 41.Pp 42The VPD provides machine type and model information, the build ID 43(this is roughly the BIOS version) and serial number information. 44.Pp 45The 46.Nm 47driver scans the BIOS area and claims the memory used by the VPD 48structure. 49It provides the 50.Xr sysctl 3 51branch 52.Va hw.vpd 53to allow this information to be accessed by the userland. 54The following variables are provided, one per VPD attachment (there should 55only be one): 56.Pp 57.Bl -tag -width ".Dv MACHINE_MODEL" -compact 58.It Dv MACHINE_TYPE 59.Pq Va machine.type 60Machine type. 61.It Dv MACHINE_MODEL 62.Pq Va machine.model 63Machine model. 64.It Dv BUILD_ID 65.Pq Va build.id 66BIOS Build ID. 67.It Dv SERIAL_BOX 68.Pq Va serial.box 69Box Serial Number. 70.It Dv SERIAL_PLANAR 71.Pq Va serial.planar 72Motherboard Serial Number. 73.El 74.Sh SEE ALSO 75.Rs 76.%T "TP General - Using the BIOS Build ID to identify IBM ThinkPad systems" 77.%N "Reference #: MIGR-45120" 78.%D "November 22, 2002" 79.%U "http://www.ibm.com/support/docview.wss?uid=psg1MIGR-45120" 80.Re 81.Sh HISTORY 82The 83.Nm 84driver first appeared in 85.Fx 5.1 . 86.Sh AUTHORS 87The 88.Nm 89driver and this manual page were written by 90.An Matthew N. Dodd Aq Mt mdodd@FreeBSD.org . 91