Well, the book I've got identifies the M8357 as a RX8E Interface for PDP-8 Omnibus, the M7846 is the RX11 interface for PDP-11 Unibus. In any case here is the table. Zane RX8E (M8357) SW1 SW2 SW3 SW4 SW5 SW6 *670X on on on off off off 671X on on off off off on 672X on off on off on off 673X on off off off on on 674X OFF on on on off off 675X off on off on off on 676X off off on on on off 677X off off off on on on *Standard | Zane H. Healy | UNIX Systems Adminstrator | | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | | healyzh(a)holonet.net (alternate) | Classic Computer Collector | +----------------------------------+----------------------------+ | Empire of the Petal Throne and Traveller Role Playing, | | and Zane's Computer Museum. | | http://www.dragonfire.net/~healyzh/ |

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