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Likely a good idea to add a link here to the eevblog thread where a user made an adapter board that allows for easy connection to a normal, not wide, scsi bus. ie high 8 bits terminated on acard...

feipoa, The data repeating itself was something I saw in the original eeprom. There being two copies of the same firmware in the eeprom. The checksum getting in the way depends on what amount of data the checksum is actually calculated on. The firmware download is only 16K. Testing will have...

I'm also thinking of a mod, that would add a jumper to address line 17 of the eeprom, and thus allow for the base address to be set at either 0 or 256k. This would allow easy switching between firmware as in, set the hard drive firmware at base 0, and the cdrom firmware at base 256k At the...

All seems fine, using ID 0,1 & 8 at the same time. I'm using the same firmware 1.73q. The only thing that maybe is different is that the first read I did of the original eeprom showed me 32K of data, which seemed to be the same 16K firmware twice, so I did the same with the 1.73q and...

No, haven't noticed anything like that. and I just did a test with the three adapters, that I have, hooked up to a 2940UW, one hdd, one msata-ide, one sd-ide, ID zero, one and two. able to do simultaneous linear read at 10MB/s each. Allthough, while the board was somehow unresponsive, once the...

Ok Forget about the jumpers messing up the adapter, I just took off the eeprom, verified the contents, tested the adapter without eeprom, was identified as "ARC765E3 BadExtRom 16K" soldered the eeprom back on and it works again. much rejoicing !

Well, I somehow managed to make one adapter unresponsive. It was either by jumpering the SE & RSV.4 jumpers at the same time, or jumpering RSV.1 . the behavior afterwards is, the device no longer is detected, yet also does not cause the scsi host to timeout on the detection,ergo it's stuck. When...

There's a clue the scsi bios gives when detecting the device whilst connected to the narrow bus on the 2940UW. It mentions 40.0 as speed for the device connected to the 2940UW while only connected on a narrow bus. This is wrong. Now why exactly this happens? I do not know. The solution though...

trag, I agree about the high byte termination being needed to get the 7722 working on a narrow scsi bus. Most cheapo adapters do not have this, neither does the single adapter I have. Every time I tried with a 50p male to 68p male adapter, the scsi adapter only gave timeouts, indicating, to...