[rescue] EIO card in HP 4M

[Mouse]

>> Silkscreened on the PCB I find "7730A", "ACARD SCSI-SATA Bridge",
>> and "Rev:3.1".
> Found it - yikes!
> https://www.ebay.com/c/1907511213

Based on a somewhat broken look at that page on a work machine, I think
that's for a 7300SR, not a 7300A; no idea how similar they are, except
that the similarity of model numbers implies they're closely related.

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