Fastlane Z3 Speed

[mechy]

Great!

"C:unitcontrol Unit 1 Period 10 Offset 8" worked like a charm. Synchronous mode is set.

"C:z3dmacontrol buster11" however takes the transferrate down.. this wont work for some lower revisions of the fastlane i believe.

I get around 6,5 mb/s.

I have run the checkmask, but did not allow it to make any changes to the maxtransfer value yet.. im running pfs3 and i was worried it would screw things up.. current value is FFFE00, and it suggests FFFFFF.

Thanks!

edit: changing the maxtransfer value didnt make any difference performance wise..

Some drives are slow and have bad firmwares, but i dont think its the trouble.
poor termination can cause slow speeds.
what are you checking speed with? dont use sys(MIS)info. try diskspeed 4.2
your maxtransfer should be to run wide open on scsi. not sure about pfs, but i have used sfs with great results.
what rom is on your fastlane? 8.5 is the latest.

[mechy]

Just curious - does anyone know where one can get the GAL / PAL upgrade chips which let the Fastlane support 16 meg SIMMs for a total of 256 megs?

revision 2.4 boards support so called 256Mb,note i have several of these boards and i have not  managed to get more than 192Mb,even with 256 installed.

to my knowledge phase5 never released the gal upgrades for 256MB, you had to send the card in for the mod.

[mechy]

Ok.. did some tests with RSCP.

with:
c:z3dmacontrol BUSTER 11
c:unitcontrol Unit 0 Period 10 Offset 8 Noreselection

5,5 mb/s
90% Busy/Idle

+ Changemempri START 40000000 PRI 40

9,0 mb/s
93% Busy/Idle

If i read RSCP manual correct the higher idle the better. If i run without z3dmacontrol BUSTER 11 the Busy/Idle value is down to 1% or less..

Havent tested to much, but when setting z3 mem to highest pri it dont seem to slow the system down.

9MB/s seems good to go-nice job. I don't recall having to do any of the things you did when i used scsi on the fastlane,but maybe my memory has faded. I thought it worked right out of the box for fast speeds. Does your drive not handle reselection?

[mechy]

Dont know if it handles reselection. Its a acard scsi -> ide -> cf.. i just fiddled with the settings and noticed i got a tiny bit higher transferrate.

most stuff supports reselection so its ok to turn it on in your case.

If you can get anything out of the phase5/dce guys i would be amazed