The KA660-AA CPU Module Technical Manual documents the functional, physical and en-vironmental characteristics of both variations of the KA660 CPU module, and includes information on the MS650 memory expansion modules. The KA660-AA is for a multiuser environment. The KA660-BA is for a single user environment and does not support multiuser

2014年12月31日 · From the bitsavers.org collection, a scanned-in computer-related document.dec :: vax :: 4000 :: EK-KA660-TM-001 KA660 CPU Module Technical Manual Mar91. Skip to main content. Ask the publishers to restore access to 500,000+ books. A line drawing of the Internet Archive headquarters building façade. ...

Support for the remaining VAX data types can be provided through macrocode emulation. The processor also supports full VAX memory management with demand paging and a 4 Gbyte virtual address space. The floating point accelerator unit (FPU) in the SOC executes the VAX f_, d_, and g_ floating point instructions.

The VAXserver was a family of minicomputers developed and manufactured by Digital Equipment Corporation (DEC) using processors implementing the VAX instruction set architecture (ISA). The VAXserver models were variants of various VAX-based computers which were configured to only run operating systems which were licensed for network server use ...

KA660 CPU System Maintenance Order Number EK–398AA–MM–001 Digital Equipment Corporation Maynard, Massachusetts. First Printing, December 1990 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation.

2007年2月2日 · I have a working VAX 4000-200 and bought a spare CPU board for it. I plugged in the spare board and it seems to hang when starting the OS boot process. I've included the log below. I looked through the KA660 technical reference and couldn't find what might be hanging at this point in the boot process.

2017年7月7日 · With the 23-356E9 / 23-357E9 firmware EPROMs the M7626 KA660 is shown with "KA660-A V4.9, VMB 2.12" and "KA660-AA MC=06 FW=4.9"

DEC M7626-AA KA660-AA VAX4000-200 CPU Board Excellent Condition Check BMI Stock for More Items ***73118*** 1 in stock. Add to cart. Add to wishlist Compare. M73 L3 B2 SKU: 73118 Categories: Circuit Board Modules, Computer Equipment. Facebook Twitter Linkedin Pinterest Email. Description

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The KA660 is the CPU used in VAX 4000 Model 200 systems. It is a single quad-height PCB which plugs into a QBUS backplane. The KA660 module number is M7626.