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

# asc(4)

NCR 53c\[f\]94 on-board or TURBOchannel SCSI controller

## NAME

**asc** – NCR 53c\[f\]94 on-board or TURBOchannel SCSI controller

## SYNOPSIS

**tcds\* at tc?** **asc\* at tcds?** **asc\* at tc?**

## DESCRIPTION

The **asc** is an on-board or TURBOchannel SCSI controller based on the NCR 53c\[f\]94 chips, found on DEC 3000/\[3456789\]00 series Alpha workstations.

## SEE ALSO

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