intel Pentium II / III / Celeron SECC marking & reference


On cartridge top
(on Celeron PCB)
533B/512/133/2.0V S1
99360216-0094 MALAY
i (m)©'98 SL3E9
1133/256/133/1.75V S1
00290493-0179 COSTA RICA
i (m)© '00 SL4HH
  B80523P400512E SL2SH 2.0V
98150562-008 MALAY
98321061- SL2WN
333/66 MALAY

intel Pentium II / III / Celeron Processor Part Mark
B - Package type B - Boxed retail SECC Pentium II
none - Bulk / OEM / Tray SECC Pentium II
80523 - CPU type 80522 - PII Klamath 0.35µm
80523 - PII Deschutes 0.28µm
80524 - PII Celeron/Mendocino
80525 - PIII Katmai/Tanner 0.25µm
80526 - PIII Coppermine/Cascades 0.18µm
P - Product code PX - Bulk/OEM/Tray CPU w/ 66MHz FSB
PY - Bulk/OEM/Tray CPU w/ 100MHz FSB
PZ - Bulk/OEM/Tray CPU w/ 133MHz FSB
P - Retail boxed CPU w/ SECC1
KX - ???
U - Retail boxed CPU w/ SECC2
H - ???
350 - core frequency core speed in MHz
E - Special attributes A - Mendocino core
B - 133MHz
C - Pentium III w/ SECC2 packaging
E - Coppermine core
F - Processor suitable for dual configurations
G - Pentium II w/ 256KB cache support
H - Pentium III w/ 512KB cache support
P - ???
256K - internal L2 cache 128 - 128KB
256 - 256KB
512 - 512KB
1024 - 1024KB
100 - FSB 66MHz
100MHz
133MHz
2.0V - Vcc 1.7V
1.75V
1.8V
2.0V
S1 - UL identifier S1 - Slot 1
S2 - Slot 2 (Xeon)
SZZZZ - S-spec S-spec
QZZZZ - S-spec S-spec (engineering samples)
L6521179 - FFFFFFFF F manufacturing plant code
0 - San Jose, Costa Rica (A6/T6)
1 - Cavite, Philippines
3 - Costa Rica
6 - Chandler, Arizona (A4)
8 - Leixlip, Ireland
9 - Penang, Malaysia (A1)
A - ???
C - ???
E - Philippines
I - ???
L - Malaysia
Q - Malaysia
R - Manila, Philippines
Y - Leixlip, Ireland
F Year of manufacture (6 - 1996, ...)
FF Week of manufacture
FFFF FPO# (test lot traceability number)
0436 - DDDD serialization code
Country of assembly MALAY
PHILIPPINES
COSTA RICA
IRELAND

SL4HH was called back by intel in Sep 2000 shortly after launch. Stability problems.
Instead of imprinted 1.75V CPU requested mainboard for 1.8V.

Celeron 600+ have redefined multiplicator settings. Former 5x is changed to 9x.
Can be misinterpreted by some BIOSs.