B128/610/710/B256/620/720 Parts

Location       Part Number    Description
U26 U58                       2016 (2) 1K x 8 static RAM
U64-U79,                      4864-2 (16) 64K x 1 dynamic RAM
U29-U36, U45-U52              4864-2 (16) 64K x 1 dynamic RAM (256K)
U9                            6509A CPU
U2, U28                       6525A (2) TPI
U1                            6526A CIA
U15                           6551A ACIA
U10                           6581 SID
U7                            68B45 CRTC
U18            906114-04      82S100 PLA
U25            901237-01      2332A ROM character
U59            901243-02      2364A ROM Basic 4.0 8000-9FFF (128K)
U60            901242-02      2364A ROM Basic 4.0 A000-BFFF (128K)
U61            901244-03      2364A ROM Basic 4.0 E000-FFFF
U59            901241-03      2364A ROM Basic 4.0 8000-9FFF (256K)
U60            901240-03      2364A ROM Basic 4.0 A000-BFFF (256K)
U59            901243-04      8K ROM Basic 4.0r 8000-9FFF (128K)
U60            901242-04      8K ROM Basic 4.0r A000-BFFF (128K)
U61            901244-04      8K ROM Basic 4.0r E000-FFFF