Complex Introduction Dates

Complex FCC IDs  
Complex Announcement Dates 
Complex Related Announcement Letters 



Complex FCC IDs

Base 0 / Type 0  [granted 1989-10-23]
386DX-20 T0- is ANO386201A
386DX-20 w/64KB T0 is ANO38620C1A

Base 1 / Type 1 
SX20 G is ANOIBM486A20
DX-33 K is ANOIBM486A33
DX-25 J is ANOIBM486A25
DX2-66 is ANOIBM486B33
DX-50 is  ANOIBM486A50

Base 2 / Type 2 
486SX-2/50 H is ANOIBM486SXB25
486DX-2/50 L is ANOIBM486SXB25 [same FCCID as H]

Base 3 / Type 3 
486DX-50 M is ANOIBM486B50

Base 4 / Type 4 
486DX2-66 N is ANOIBM486C66
P60 P is ANOIBM586A60
P66 Q is ANOIBM586A66
P90 Y is ANOIBM586A90 also ANO06H3729

Complex Announcement Dates  

Base 0 / Type 0  
"T0-" Maybe late 1989?
"T0"

Base 1 / Type 1 
"G" 486SX 20 MHz (announced Oct 1990)
"J" 486DX 25 MHz (announced Oct 1990)
"K" 486DX 33 MHZ (announced Oct 1990)
Upgrade 486DX 50 MHz (announced June 1991)
Upgrade 486DX2 66/33 (announced Aug 1992)

Base 2 / Type 2 
"H" / Upgrade 486SX 25 MHz (ann Oct 1991)
"L" / Upgrade 486DX2 50/25 (ann April 1992)

Base 3 / Type 3 
"M"/ Upgrade 486DX 50 MHz (ann April 1992)

Base 4 / Type 4 
"N" / Upgrade 486DX2 66/33 MHz (ann Sept 1993)
"P" / Upgrade Pentium 60 MHz (ann Aug 1993)
"Q" / Upgrade Pentium 66 MHz (ann Sept 1993)
"Y" / Upgrade Pentium 90/60 MHz (ann Oct 1994)

Complex Related Announcement Letters 
190-175 IBM PS/2 Model 95 XP 486 (8595-0J9, -0JD And -0KD) Oct 30, 1990
190-176 IBM PS/2 Model 90 XP 486 (8590-0J5, -0J9 And -0KD) Oct 30, 1990
190-186 IBM PS/2 486/33 Processor Upgrade Option Oct 30, 1990
191-052 IBM PS/2 486/25 and 486/33 Processor Upgrade Options Apr 23, 1991
191-057 IBM PS/2 Model 90 XP 486 (8590-0G5 And 0G9) Apr 23, 1991
191-058 IBM PS/2 Model 95 XP 486 (8595-0JF And 0KF) Apr 23, 1991
191-059 IBM PS/2 Model 95 XP 486 (8595-0G9 And 0GF) Apr 23, 1991
191-096 IBM PS/2 486/50 Processor Upgrade Option dated June 11, 1991
191-103 IBM PS/2 486/50 Processor Upgrade Upgrade Availability Jun 25, 1991
191-194 IBM PS/2 Model 95 XP 486 (8595-0H9 And 0HF) Oct 17, 1991
191-195 IBM PS/2 Model 90 XP 486 (8590-0H5 And 0H9) Oct 17, 1991
191-196 IBM PS/2 Model 90 XP 486 (8590-0K9 And 0KF) Oct 17, 1991
191-198 IBM PS/2 486SX/25, 486/33 And 486/50 Processor Upgrade Opts Oct 17, 1991
192-096 IBM PS/2 Model 95 XP 486 (8595-0MF And 0MT) Apr 28, 1992
192-097 IBM PS/2 Model 95 XP 486 (8595-0LF) Apr 28, 1992
192-099 IBM PS/2 486DX2-50 Processor Upgrade Option Apr 28, 1992
192-100 IBM PS/2 486-25/50 Microprocessor Upgrade Option Apr 28, 1992
192-101 IBM PS/2 Enhanced 486/50 Processor Upgrade Option Apr 28, 1992
192-178 IBM PS/2 486DX2-66 Processor Upgrade Option Aug 11, 1992
192-225 IBM PS/2 Model 95 XP 486 (9595-0LF, 0MF And 0MT) Sep 21, 1992
193-292 PS/2 Server 95 Array 466, 560 And 566  October 5, 1993
193-293 PS/2 Server 95 466, PS/55 466 And PS/2 Processor Upgrade Options Oct 5, 1993
194-360 IBM PS/2 90MHz Processor Upgrade Option w/Pentium Technology Oct 17, 1994
391-167 IBM PS/2 486SX/25 Processor Upgrade Promotion Oct 17, 1991