Mint Ethernet Treiber gibt es auf der Mint 98 CD. Schreib mir 'ne PN wo ich die hinmailen soll.
Gruß Heinz
Mint98 vermeldet in der Readme folgendes:
1.) allgemein==================
Treiber für BIODATA- und PAM DMA-Knoten (nur Ethernet). Voraussetzung für den
Betrieb ist ein Rechner mit ACSI-Schnittstelle und gespiegeltem ST-RAM. Der
Treiber für den BIODATA-Knoten ist aufgrund konzeptioneller Schwächen der
BIODATA-Knoten nicht sehr zuverlässig und wird voraussichtlich nicht mehr
weiterentwickelt. Im Ordner obsolete befindet sich eine ältere Version des
Treibers für BIODATA DMA-Knoten, die auf beschleunigten Rechnern stabiler
arbeiten soll.
biodma.xif ist der Treiber für BIODATA DMA-Knoten
pamsdma.xif ist der Treiber für PAMs Net DMA-Knoten
2.) zum BIONET Treiber===========================
BIODMA.XIF (C) 1995, 1996, 1997, 1998 by T. Lang
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!PLEASE READ THE WHOLE DOCUMENT BEFORE USING THIS DRIVER!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
********************************************************************************
* Please note: Since the BIOODMA adaptors are not designed for asynchronous *
* receiving and additionally do NOT conform to the ACSI standard they *
* work rather bad & slow. Especially on accelerated machines (TT, PAK/3 etc.) *
* the driver is not reliable. So I have decided to stop support for it. *
* This is the last release of the driver. It may work for you or not. If it *
* doesn't please note that support is stopped and that I will not give *
* any support for this driver... *
********************************************************************************
The driver for the BIONET DMA adaptor is in a very early state but seems to
work quite stable. I had some problems on my 48MHz PAK/3/4ST/16TT machine but
since I had connected some other equipment these problems may not be caused
by the driver itself...
The driver is based on dummyeth from Kay Roemer, the DMA code is
(C) T. Lang and is losely based on some assembler source code (C) by Hans-Peter
Jansen, LISA GmbH, Berlin.
There are some important things to know, so READ THIS BEFORE USING:
- Starting and stopping the DMA adaptor with ifconfig up or down doesn't
really work since there are no possibilities to start or stop the BIODATA
adaptor...
- It is important that a harddisk driver checks the FLOCK flag itself before
beginning its work. At least some drivers like HUSHI don't and are NOT
recommended for use together with these drivers!!!
- Be careful with background DMA drivers like the floppy driver or some special
harddisk drivers. The protective protocol has been changed for their use:
- when sending:
Check for FLOCK, if set -> queue packet
- interrupt routine:
Check FLOCK, if set -> quit, else check for queued send packets, dequeue
and send them, then check for received packets, if any get them and pass
them to the upper layers.
So before testing any background DMA stuff you should make a backup of your
harddisk!
- Floppy access causes massive delays in sending and receiving!
- 1. Kay told me that MiNT doesn't do any task switches when FLOCK is set.
2. I read in the MiNT documentation that MiNT doesn't do any task switches
when the processor is in supervisor state.
3. Usual harddisk drivers do DMAs in supervisor mode.
The LANCEDMA driver relies on these facts. I would have written a completely
interrupt driven DMA code (like I've done for my harddsikrecording system
for ALL STs working on the ACSI port) but that's a lot of work due to some
problems with dirty harddisk drivers like HUSHI ignoring a set FLOCK flag.
Planned features:
- It should be possible that one BIODMA.XIF manages more than one DMA
adaptor. At the moment you can use only one.
Still missing:
- Error management is missing due to missing documentation.
- No cache management yet...
...since there are no public cache management routines in the MiNT kernel.
If someone exports the internal management routines of MiNT I will
use them in the next release ;-)
ATTENTION:
As a replacement for cache management I've used another trick in this release
of the driver:
The DMA buffer is accessed only at a mirrored address. The address is
ORed with $FF000000 so that the buffer is accessed in an uncached area.
The only drawback with this trick is that it works DEFINITELY NOT on machines
with real 32bit adressing without patching the MMU tables. This means that it
works not on the Atari TT and perhaps also will cause trouble on the Eagle or
the Medusa since AFAIK they don't mirror the ST RAM.
If you want to use this driver on one of these machines please use an
older version of the driver. Well, the driver SHOULD work on tuned STs like
the MEGA ST + PAK68/3 + FRAK.
DON'T TRY THESE DRIVERS UNLESS YOU ARE ABSOLUTELY SURE WHAT YOU ARE DOING.
I'm not responsible for any crashed harddisk or so.
