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From: rdt@houxk.UUCP (R.TRAUBEN)
Newsgroups: net.micro
Subject: ibm pc hardware differences?
Message-ID: <399@houxk.UUCP>
Date: Wed, 20-Mar-85 09:30:21 EST
Article-I.D.: houxk.399
Posted: Wed Mar 20 09:30:21 1985
Date-Received: Thu, 21-Mar-85 02:50:33 EST
Organization: AT&T Bell Labs, Holmdel NJ
Lines: 58

excuse my ignorance, but i have NOT followed ibm product offerings
untill recently. could someone please inform me the primary hardware
differences between the various ibm pc products (pc, at and xt).

how well are each selling and what is the relative speeds of the basic
configuration that IBM ships with hard disk (not OEM enhancements or
with special software packages.) 

Why does someone buy each?  Parameters of interest include:

Thanks in advance.

	> richard


FEATURE:			

PC:

microprocessor used (8086, 80186, 80286, 68000):
size of main memory (RAM):
number of cycles per RAM access:
size of and number of hard disks:
access time for hard disk:
monitor size and max. # simultaneous colors:
how floating point is done (software emulation or 8087):
what, if any, local area network interface (ethernet?):
size of and number of floppy drives:
cost for minimal configuration with hard disk:
relative performance with hard disk:

AT:

microprocessor used (8086, 80186, 80286, 68000):
size of main memory (RAM):
number of cycles per RAM access:
size of and number of hard disks:
access time for hard disk:
monitor size and max. # simultaneous colors:
how floating point is done (software emulation or 8087):
what, if any, local area network interface (ethernet?):
size of and number of floppy drives:
cost for minimal configuration with hard disk:
relative performance with hard disk:

XT:

microprocessor used (8086, 80186, 80286, 68000):
size of main memory (RAM):
number of cycles per RAM access:
size of and number of hard disks:
access time for hard disk:
monitor size and max. # simultaneous colors:
how floating point is done (software emulation or 8087):
what, if any, local area network interface (ethernet?):
size of and number of floppy drives:
cost for minimal configuration with hard disk:
relative performance with hard disk: