CVM8AE0

The BDV11 Bootstrap/Terminator/Diagnostic module provides the following functions:

1. ROM resident hardcore diagnostic tests.
2. Pads for ROM resident bootstrap routines for those devices which are supported by the LSI-11 system.
3. A read/write storage register for use by the resident diagnostic tests.
4. Twelve DIP rocker switches to select testing and bootstrap options at power up.
5. An array of four LEDs to provide status information.
6. HALT and REBOOT toggle switches for use in systems without a console.
7. Sockets for 2K words of EPROM.
8. Optional replacement of system ROM by 8K words of EPROM.
9. Line clock interrupt enable/disable register

The KDF11B Bootstrap/Diagnostic module provides the following functions:

1. Above mentioned functions 1., 3., 4. (8 switches), 5., 6., 0.
2. Line clock cleared by reset instruction
3. Page control register is write only
4. Priority level 6 (the same for KDF11A)