![Xycom XVME-956 Series Скачать руководство пользователя страница 103](http://html1.mh-extra.com/html/xycom/xvme-956-series/xvme-956-series_manual_3857851103.webp)
Chapter 6 - 16-Bit Ethernet Installation (XVME-956/411)
Parameter
Parameter Values
Default
FASTREAD
YES
NO
NO
Parameter
P a r a m e t e r Values
D e f a u l t
FASTIO16
YES
NO
NO
Parameter
Parameter Values
Default
FASTCHRDY
YES
NO
NO
Table 6-8. FASTREAD Parameter
In I/O mapped mode, FASTREAD causes the next data to be fetched before the previous IORD has
completed. O n l y enable in systems with fast ISA bus.
Table 6-9. FASTIO16 Parameter
If enabled, FASTIO16 causes IOCS16 to be generated by address decode only. I f disabled, IOCS16 is
generated with IORD and IOWR. ( M a y be needed with some chips.)
Table 6-10. FASTCHRDY Parameter
If enabled, IOCHRDY is generated when BALE goes high. I f disabled, IOCHRDY is generated with
IORD and IOWR.
NOTE
SET4I29 should be run before any network software has been installed or
unpredictable behavior may result. A f t e r SET4I29 has been run, you
must reset the computer system for the new configuration parameters to
take effect. A hardware reset is necessary,
CONTROL
-
ALT -DEL
will
not work.
6-8
•
•