Rumors...

[Randy_Davis]

In article <8983 at ihlpb.ATT.COM> res at ihlpb.ATT.COM (Rich Strebendt) writes:
:In article <410 at occrsh.ATT.COM>, rjd at occrsh.ATT.COM (Randy_Davis) writes:
:|   The only AT&T "minicomputers" I know of are the 3B family.  As John says,
:| the PCs are considered "microcomputers" (do the PCs use 68000 chips?).  The
:| 3B family includes the 3B2, 3B5, 3B15, 3B4000, 3B20 Simplex, and 3B20 Duplex.
:| I know for sure that all the 3B2, 3B15, and 3B4000 computers use the AT&T -
:| designed and manufactured full 32-bit microprocessor.
:
:That is true for the Central Control (CC) for each of those machines.
:The 3B5/3B15/3B4000 line of computers also uses microprocessor-based
:intelligent peripheral controllers.  The Intelligent Disk File
:Controller (IDFC) board does use a 68000 as its engine.  Other
:intelligent boards (eg: ITC, ATC, IOA), use the WE32000 series of
:microprocessors (32000, 32100, 32200).

  True, I was only meaning to address the main CPU.  Of course you are right.
In fact, most of the 3B2 intelligent option cards use 80186 16-bit
microprocessors.  There is one on each ports or eports board, the SCSI host
adapter, etc...

Randy Davis					UUCP: ...(att!)ocrjd!randy
						      ...(att!)occrsh!rjd