SGB: Unit #1 [creeps]

Stamp on case
22

Mainboard

Board type
SGB-N-10
Manufacture date
April/1994
Circled letter(s) on board
Y
Letter at top right
A

Chips

ChipTypeManufacturerDateLabel
U1CPUSGB-CPU 01SharpWeek 17/1994SGB-CPU 01 © 1994 Nintendo Ⓜ 1989 Nintendo JAPAN 9417 3 D
U2ICD2ICD2-NWeek 16/1994Nintendo ICD2-N 9416KX207 D93115
U3Work RAMLH52A64N-TLLSI LogicWeek 4/1994LH52A64N-TL LSI LOGIC JAPAN D404 0U C
U4Work RAMLH52A64N-TLLSI LogicWeek 4/1994LH52A64N-TL LSI LOGIC JAPAN D404 0U C
U5ROMN-2001EGWWeek 14/1994© 1994 Nintendo SYS-SGB-NT N-2001EGW-J56 9414X9013
U6CICF411ASharpWeek 28/1992F411A © 1990 Nintendo 9228 V