Difference between revisions of "KEV11-A floating point"
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The '''KEV11-A''' is an optional [[integrated circuit|chip]] for [[LSI-11 chip set|LSI-11]] [[Central Processing Unit|CPU]] which adds support for the [[PDP-11 Extended Instruction Set]] and also [[FIS floating point]]. | The '''KEV11-A''' is an optional [[integrated circuit|chip]] for [[LSI-11 chip set|LSI-11]] [[Central Processing Unit|CPU]] which adds support for the [[PDP-11 Extended Instruction Set]] and also [[FIS floating point]]. | ||
| − | One version | + | One version has the [[DEC part number]] 23-003B5 3015 (also 3015A and 3015D, the latter sometimes marked 23-009B5), seen with the [[LSI-11 chip set#Chip variants|first set]] of LSI-11 chips, which are suitable for the M7274 [[DEC card form factor|quad]] card [[printed circuit board|etch]] revisions E and F, and the M7260 dual card. Another version is the 23-091A5, suitable for the M7274 etch revisions C and D (although it has also been seen on etch revision F cards). |
| − | + | [[Category: PDP-11 Processors]] | |
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| − | [[Category:PDP-11 Processors]] | ||
Latest revision as of 13:07, 30 June 2023
The KEV11-A is an optional chip for LSI-11 CPU which adds support for the PDP-11 Extended Instruction Set and also FIS floating point.
One version has the DEC part number 23-003B5 3015 (also 3015A and 3015D, the latter sometimes marked 23-009B5), seen with the first set of LSI-11 chips, which are suitable for the M7274 quad card etch revisions E and F, and the M7260 dual card. Another version is the 23-091A5, suitable for the M7274 etch revisions C and D (although it has also been seen on etch revision F cards).
