Specifications

Computer Architecture and Maintenance (G-Scheme-2014)
Table 3.18. CPU Socket and Slot Types and Specifications
Chip Class Socket Pins Layout Voltage
Supported
Processors
Introduced
Intel/AMD
486 class
Socket 1 169
17x17
PGA
5V
486 SX/SX2, DX/DX2,
DX4 OD
Apr. '89
Socket 2 238
19x19
PGA
5V
486 SX/SX2, DX/DX2,
DX4 OD, 486
Pentium OD
Mar. '92
Socket 3 237
19x19
PGA
5V/3.3V
486 SX/SX2, DX/DX2,
DX4, 486 Pentium
OD, AMD 5x86
Feb. '94
Socket 6
[1]
235
19x19
PGA
3.3V
486 DX4, 486
Pentium OD
Feb. '94
Intel/AMD
586 (Pentium)
class
Socket 4 273
21x21
PGA
5V Pentium 60/66, OD Mar. '93
Socket 5 320
37x37
SPGA
3.3V/3.5V Pentium 75-133, OD Mar. '94
Socket 7 321
37x37
SPGA
VRM
Pentium 75-233+,
MMX, OD, AMD
K5/K6, Cyrix M1/II
June '95
Intel 686
(Pentium
II/III) SPGA
Socket 8 387
Dual-
pattern
SPGA
Auto VRM Pentium Pro, OD Nov. '95
class
Slot 1
(SC242)
242 Slot Auto VRM
Pentium II/III,
Celeron SECC
May '97
Socket 370 370
37x37
SPGA
Auto VRM
Celeron/Pentium III
PPGA/FC-PGA
Nov. '98
Intel Pentium
4 class
Socket 423 423
39x39
SPGA
Auto VRM Pentium 4 FC-PGA Nov. '00
Socket 478 478
26x26
mPGA
Auto VRM
Pentium 4/Celeron
FC-PGA2
Oct. '01
Socket T
(LGA775)
775 30x33
LGA
Auto VRM Pentium
4/Celeron/Pentium
June '04
Prepared By – Prof. Manoj.kavedia (9860174297 – 9324258878 ) (www.kavediasir.yolasite.com)
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