MSV11-P MOS Random-Access Memory
The MSV11-P (M8067) is a quad-height QBUS DRAM main memory card. The MSV11-PL (M8067-Lx) holds 512 KBytes when fully populated with 64K DRAMs chips, the MSV11-PK (M8067-Kx) is half-populated (the only partially-filled configuration allowed) and holds 256 Kbytes. (The 'x' in the board identifier is a capital letter which identifies the manufacturer of the DRAM chips.)
The memory is arranged as 2 banks, each 16 data bits (1 PDP-11 word) wide, with 2 additional bits for parity (1 per byte). It can be configured as either a Q18 card, or a Q22 card; the -PL must be configured as a Q22 card due to its size. It can also be configured for use either in a Q/CD backplane or a Q/Q backplane. .
- the starting address;
- the size (256KB or 512KB);
- the CSR address;
- enable wrong parity.
- MSV11-P User Guide, EK-MSV0P-UG
- MSV11-P Field Maintenance Printset (MP-01239)
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Clones: CM 1420