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UNIX for Beginners Questions & Answers
Multiple If conditions
Post 303014309 by jim mcnamara on Friday 9th of March 2018 05:47:58 AM
03-09-2018
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LEARN ABOUT NETBSD
stpcide
STPCIDE(4) BSD Kernel Interfaces Manual STPCIDE(4) NAME
stpcide -- STMicroelectronics STPC IDE disk controllers driver SYNOPSIS
stpcide* at pci? dev ? function ? flags 0x0000 DESCRIPTION
The stpcide driver supports the STMicroelectronics STPC x86 SoC internal IDE controllers, and provides the interface with the hardware for the ata(4) driver. The driver features DMA mode 2 and PIO mode 4 transfer speeds. The 0x0002 flag forces the stpcide driver to disable DMA on chipsets for which DMA would normally be enabled. This can be used as a debug- ging aid, or to work around problems where the IDE controller is wired up to the system incorrectly. SEE ALSO
ata(4), atapi(4), intro(4), pci(4), pciide(4), wd(4), wdc(4) BUGS
The timings used for the DMA and PIO modes are for STPC Atlas and its siblings with their PCI clock configured at 33 MHz. Other speeds including the STPC Vega Ultra-IDE controller will need adjustments. BSD
October 31, 2003 BSD