CT(4FREEBSD) - Linux man page online | Special files

WD33C93[ABC] based CBUS SCSI host adapter driver.

November 18, 2003
CT(4) BSD/i386 Kernel Interfaces Manual CT(4)


ct — WD33C93[ABC] based CBUS SCSI host adapter driver


device ct device scbus In /boot/device.hints: For most PC-9801-55, -92 and compatibles:"isa" For ELECOM bus-master SCSI adapters:"isa" hint.ct.0.flags="0x30000" For I-O DATA SC98 adapters:"isa" hint.ct.0.flags="0x10000" For LOGITEC adapters:"isa" hint.ct.0.flags="0x50000" For TEXA adapters:"isa" hint.ct.0.flags="0x20000" For adapters with SMIT transfer mode to enable SMIT transfer:"isa" hint.ct.0.flags="0x40000" hint.ct.0.maddr="0xdc000" Flags meaning: 0x00000 DMA transfer mode for an NEC PC-9801-55, -92 (or compatibles), ICM IF-2660, Midori-Denshi MDC-554NA, or Logitec LHA-N151 0x10000 DMA transfer mode for an I-O DATA SC-98II 0x20000 bus-master transfer mode for a TEXA HA-55BS2, its successors, or Midori-Den‐ shi MDC-926R 0x30000 bus-master transfer mode for an ELECOM bus-master SCSI adapter 0x40000 SMIT transfer mode (for supported adapters only) 0x50000 bus-master transfer mode for a Logitec LHA-20x series, ICM IF-2766, IF-2766ET, IF-2767 or IF-2769


The ct driver provides access to the SCSI bus connected to a WD33C93[ABC] based host adapter.


The ct driver supports the following adapters: · ELECOM bus-master SCSI adapters · I-O DATA SC-98II · ICM IF-2660, IF-2766, IF-2766ET, IF-2767 and IF-2769 · Logitec LHA-N151 and LHA-20x series · Midori-Denshi MDC-554NA and MDC-926R · NEC PC-9801-55, 92 and compatibles · SMIT transfer type SCSI host adapters · TEXA HA-55BS2 and its later models


cd(4), ch(4), ctau(4), da(4), intro(4), sa(4), scsi(4)


Historically, the driver for the Cronyx Tau WAN adapters was “ct”. This device name was changed to “ctau” to avoid conflicts with this pc98 ct driver. The network device name for ctau(4) is “ct”. Please see ctau(4) for the details for that device.


The ct device driver has been developed for NetBSD/pc98 and ported for FreeBSD. It first appeared in FreeBSD 4.4.


The ct driver was written by Naofumi HONDA. This manual page was written by Noriaki MITSUNAGA <> and Hideyuki KURASHINA <>.
BSD November 18, 2003 BSD
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refer to cd(4freebsd) | ch(4freebsd) | ctau(4freebsd) | da(4freebsd) | intro(4) | sa(4freebsd)
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