#Q2) Which performance is accessible for data transport from external
#hdd through LPT port ? Can I enhance it with any setting (e.g. ECP
#support, dma using ...) ?
> You could try setting the port delay to 0 - I found that this
> improved my throughput substantially.
I probed this setting on another older Pentuim system (RH6.2, kernel
- no special setting : 560 kB/s
- "delay=0" setting : 725 kB/s
Performance increased about 30%. This is wonderful !!
#Q3) How can I use two hdd simultaneously ? When I use epat shuttle
#as additional device and this drivers are compiled as modules, I
#must set pd options as :
# options pd drive0=0x378,,,5,,,,0 drive1=0x378,,,5,,,,1
> Well... the current epat protocol module never had chaining support
> coded in. You *shouldn't* be able to address more than one epat chip
> on a lp chain at a time.
Sorry, but this is misunderstanding. I have single epat chip with
single IDE channel. Usually I have on this channel only single IDE
disk connected. Sometimes I need connect on it secondary IDE disk (as
slave). I use mentioned params and all is OK - both disk are
But sometimes I run linux from this external HDD (on it is root
filesystem) - booting from floppy, epat + pd support build-in into
kernel. In this case I cannot access on seconadry IDE disk - it is
not detected during kernel booting. I thing that some params can
resolve this problem.
Thanks to all for answers and help.
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This archive was generated by hypermail 2b29 : Tue Mar 27 2001 - 23:52:43 EST