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s390rtc(4) [netbsd man page]

S390RTC(4)						   BSD Kernel Interfaces Manual 						S390RTC(4)

NAME
s390rtc -- Seiko Instruments S-35390 real-time clock SYNOPSIS
s390rtc* at iic? addr 0x30 DESCRIPTION
The s390rtc driver provides support for the Seiko Instruments S-xx390 real-time clock chip. Access methods to retrieve and set date and time are provided through the TODR interface defined in todr(9). SEE ALSO
iic(4), todr(9) HISTORY
The s390rtc device appeared in NetBSD 6.0. BUGS
The driver does not support the chip's alarm features. BSD
April 5, 2011 BSD

Check Out this Related Man Page

FWOHCI(4)						   BSD Kernel Interfaces Manual 						 FWOHCI(4)

NAME
fwohci -- OHCI FireWire chipset device driver SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file: device firewire Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): firewire_load="YES" To disable physical access (see BUGS section for detail), put the following line in loader.conf(5): hw.firewire.phydma_enable=0 HARDWARE
The fwohci driver provides support for PCI/CardBus FireWire interface cards. The driver supports the following IEEE 1394 OHCI chipsets: o Adaptec AHA-894x/AIC-5800 o Apple Pangea o Apple UniNorth o Intel 82372FB o IOGEAR GUF320 o Lucent / Agere FW322/323 o NEC uPD72861 o NEC uPD72870 o NEC uPD72871/2 o NEC uPD72873 o NEC uPD72874 o National Semiconductor CS4210 o Ricoh R5C551 o Ricoh R5C552 o Sony CX3022 o Sony i.LINK (CXD3222) o Sun PCIO-2 (RIO 1394) o Texas Instruments PCI4410A o Texas Instruments PCI4450 o Texas Instruments PCI4451 o Texas Instruments TSB12LV22 o Texas Instruments TSB12LV23 o Texas Instruments TSB12LV26 o Texas Instruments TSB43AA22 o Texas Instruments TSB43AB21/A/AI/A-EP o Texas Instruments TSB43AB22/A o Texas Instruments TSB43AB23 o Texas Instruments TSB82AA2 o VIA Fire II (VT6306) SEE ALSO
firewire(4), fwe(4), fwip(4), sbp(4), fwcontrol(8), kldload(8) HISTORY
The fwohci device driver first appeared in FreeBSD 5.0. AUTHORS
The fwohci device driver was written by Katsushi Kobayashi and Hidetoshi Shimokawa. BUGS
The driver allows physical access from any nodes on the bus by default. This means that any devices on the bus can read and modify any mem- ory space which can be accessed by an IEEE 1394 OHCI chip. It is allowed mostly for sbp(4) devices. This should be changed to allow it only for specific devices. Anyway, FireWire is a bus and not expected to be connected with un-trustable devices because a node can monitor all the traffic. BSD
March 3, 2008 BSD
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