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.Dd August 31, 2004 26.Dt VPD 4 i386 27.Os 28.Sh NAME 29.Nm vpd 30.Nd "Vital Product Data kernel interface" 31.Sh SYNOPSIS 32.Cd "device vpd" 33.Sh DESCRIPTION 34.Tn IBM ThinkPad 35notebooks (and most 36.Tn IBM 37desktop PCs) have a 48-byte 38Vital Product Data (VPD) structure located in the BIOS Shadow RAM. 39.Pp 40The VPD provides machine type and model information, the build ID 41(this is roughly the BIOS version) and serial number information. 42.Pp 43The 44.Nm 45driver scans the BIOS area and claims the memory used by the VPD 46structure. 47It provides the 48.Xr sysctl 3 49branch 50.Va hw.vpd 51to allow this information to be accessed by the userland. 52The following variables are provided, one per VPD attachment (there should 53only be one): 54.Pp 55.Bl -tag -width ".Dv MACHINE_MODEL" -compact 56.It Dv MACHINE_TYPE 57.Pq Va machine.type 58Machine type. 59.It Dv MACHINE_MODEL 60.Pq Va machine.model 61Machine model. 62.It Dv BUILD_ID 63.Pq Va build.id 64BIOS Build ID. 65.It Dv SERIAL_BOX 66.Pq Va serial.box 67Box Serial Number. 68.It Dv SERIAL_PLANAR 69.Pq Va serial.planar 70Motherboard Serial Number. 71.El 72.Sh SEE ALSO 73.Rs 74.%T "TP General - Using the BIOS Build ID to identify IBM ThinkPad systems" 75.%N "Reference #: MIGR-45120" 76.%D "November 22, 2002" 77.%U "http://www.ibm.com/support/docview.wss?uid=psg1MIGR-45120" 78.Re 79.Sh HISTORY 80The 81.Nm 82driver first appeared in 83.Fx 5.1 . 84.Sh AUTHORS 85The 86.Nm 87driver and this manual page were written by 88.An Matthew N. Dodd Aq Mt mdodd@FreeBSD.org . 89