Messages in this thread | | | Subject | Re: HP C2502 SCSI card (NCR 53C400A based) not working | From | Alan Cox <> | Date | Sun, 31 Oct 2004 15:23:03 +0000 |
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On Sul, 2004-10-31 at 12:22, Ondrej Zary wrote: > Hello, > I have an old ISA SCSI card that came with HP ScanJet IIP scanner. It's > HP C2502 card based on NCR 53C400A chip. I was unable to get it working > with g_NCR5380 driver so I tried loading the official MINI400I.SYS > driver in DOSemu. I was surprised that the values sent to the ports are > not the same as in the g_NCR5380 driver.
It should work in 2.4 providing you use the loading options for ncr53c400a and set a port and no IRQ (read mine did). What options are you trying ?
> According to this, I think that my card has the 53C400A chip registers > mapped to different addresses (offsets) but I'm unable to determine what > the mapping is. I was also unable to find the 53C400A datasheet which > might help a bit.
The 53c400a can be programming to an address by software - either by magic sequences or I believe according to pin strapping by ISAPnP. Its been a long time since I touched such junk however and if you want to do anything useful with your computer while scanning (like waving the mouse point around) get something else!
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