There are 3 EPROMS on the sound board, all are the same size.
EPROM Information
|
Part Number
|
Size
|
Layout
|
Pins
|
27512
|
512K
|
64 x 8 Bits
|
28
|
27C512(EEPROM)
|
512K
|
64 x 8 Bits
|
28
|
Game ROM Information
|
Location
|
Size
|
Checksum
|
Version
|
U4
|
512K
|
007CE25C
|
8
|
U19
|
512K
|
0083445A
|
8
|
U20
|
512K
|
0083A858
|
8
|