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

# tcasic(4)

TURBOchannel host bus support

## NAME

**tcasic** – TURBOchannel host bus support

## SYNOPSIS

**tcasic\* at mainbus0** **tc\* at tcasic?**

## DESCRIPTION

The **tcasic** driver provides support for the TURBOchannel host bus on the baseboard of the DEC 3000/300 and 3000/500 systems.

## SEE ALSO

[intro(4)](/intro/4.md)