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BlueSCSI & SCSI2SD - corruption

AlpineRaven

Well-known member
Morning all,
I have this new BlueSCSI v2 internal in my Power Mac 6100 DOS Compatible for now at the moment - been in it for past 2 weeks as I am slowly building up the system more focused for DOS environment.

Last night I decided to connect SCSI2SD to get some files off it from other Mac, When I added SCSI2SD via external (it was SCSI2SD v5.5) and caused corruption and data lost on my BlueSCSI card (folders becomes lost, drives goes missing and ask's to format and a message saying that you need get the drives checked etc), lost 2 drives but they weren't important to me luckily... (FYI - when disconnect SCSI2SD - the file corruption still remains which I have to start all over again)

SCSI2SD is ID6
BlueSCSI is ID0, 1 & 2, 4 9 (4 drives in one)
(Power Mac 6100 CD is ID3)

Questions below;
What is it doing wrong?
Is it that because I cannot have BlueSCSI and SCSI2SD at the same time?
I was wondering if I did the settings wrong in SCSI2SD config?
Doesn't matter if its terminated on BlueSCSI as both occurred if its terminated or not.

Cheers
AP
 
Last edited:

just.in.time

Well-known member
My initial guess is that powering both from the SCSI bus may be too much, potentially causing the voltage to drop and a symptom of that being the data corruption.

Again, this is just a guess based off my own experiences of running a Raspberry Pi at just under its stated voltage range and experiencing SD card corruption there. I tried to look for details on how many mA the SCSI bus could provide but wasn’t able to find any details.

Hopefully someone else might have enough info to validate if this guess is correct or completely wrong.
 

Forrest

Well-known member
There was a PowerMac 6100/66 DOS compatible for sale here last week, and I was surprised it just had the standard 86W power supply.
 

sstaylor

Well-known member
Also, SCSI ID 9? I'm not sure a machine as old as a 6100 would support 9 as a valid SCSI ID.
 

AlpineRaven

Well-known member
Update; After doing me in, I got my WGS6150 out and put it in, it worked perfectly and went back in 6100 and I had issues, it turned out to be the ribbon cable - somehow it might've been faulty, ever since it has been running perfectly including SCSI2SD external.
Cheers
AP
 
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