---
name: "trm"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["linux", "openbsd"]
url: "https://new.carta.tech/trm/4"
---

# trm(4)

TRM-S1040 based PCI SCSI interface

## NAME

**trm** – TRM-S1040 based PCI SCSI interface

## SYNOPSIS

**trm\* at pci?**

## DESCRIPTION

The **trm** driver supports PCI SCSI host adapters based on Tekram's TRM-S1040 chip, including the following:

- Tekram DC395U/UW/F

- Tekram DC315/U

## SEE ALSO

[cd(4)](/cd/4.md), [ch(4)](/ch/4.md), [intro(4)](/intro/4.md), [pci(4)](/pci/4.md), [scsi(4)](/scsi/4.md), [sd(4)](/sd/4.md), [st(4)](/st/4.md), [uk(4)](/uk/4.md)

**https://www.tekram.com**

## AUTHORS

The **trm** driver was written for OpenBSD by Kenneth R. Westerback and Ashley R. Martens, based on a NetBSD driver by Erich Chen, which was ported to OpenBSD by Martin Akesson.