Unresponsive mouse

[yock1960]

I have what I hope is a temporary problem....well....all problems are temporary, but you know what I mean. I have just about gotten my A500 as complete as it can be, with getting my hard drive going with the "rare" Comspec SA-500 SCSI adapter. The only problem I'm having is that when I Softkick into WB2.04 (ROM chip on the way), the mouse is not very responsive. It goes horizontal well enough but it is very reluctant to move vertically. I don't have this problem with 1.3. Twice I've thought I might have stumbled onto something that might be the problem. The first thing that I thought might be it was that the input device had a task priority of 20, but it's the same under 1.3. The other thing was that maybe the drivers for the SCSI adapter didn't like the diskspare.device that I had under 2.04, but that wasn't it either. I know that it is a combination of 2.04 and the SCSI adapter because it wasn't a problem before I got the adapter. I'm just hoping the actual ROM chip will fix it because if it doesn't, 2.04 isn't going to be usable!

Anybody ever experience anything like this? Any solution?

There is another thing that has me puzzled with this setup; I don't think it has anything to do with my problem but I still don't understand. I have a 240MB drive hooked to this adapter, split into 3 partitions. The boot partition 'must' have the old file system and it does. The other two partitions I made FFS. When I boot under 1.3, all three partitions are accessible. But when I boot to 2.04, only the FFS partitions are usable, the OFS partition is shown as 'DH0:'; what gives?

[yock1960]

After booting up this morning, I have to modify the symptoms. It seems that the mouse is unresponsive under 1.3. At least after 1st powering up. Now I'm thinking it's power or heat related, as in something is happening as the system warms up.
The SCSI adapter doesn't say how much power it draws, but I've got an Elbox 500/8 CPU socket memory expansion and an external floppy in this system also. I unplugged the external floppy and after about a half and hour, the mouse is working better. It works better yet if I remove the SCSI adapter. So, it seems like it's related to the adapter and/or the power supply.

Make sense?

[James]

Hiya!

Right now you have symptoms with the mouse. So focus on that alone. Unplug everything from the 500. RAM expansion, HD and what have you. Boot on a plain diskette 'loadwb' environement with no fuss and basic config and check how the mouse is doing. If it's doing the same, you either have a mouse problem, or a motherboard problem. Get a new mouse and confirm.

If the mouse acts ok then start adding pieces one by one until you finally identify the culprit for sure.

If it's a mouse problem.. instead of getting a new mouse you should first try to fiddle inside the mouse see if it's just a misaligned or bent led/sensor, unsoldered wire or good old dust n' crap.

[yock1960]

Just in case anyone ever has similar symptoms, it was insufficient power. Hooked up an old 200W AT style power supply and I now have a nice & snappy mouse cursor!