The Sound Block A ROMs have the following KMSI part numbers, and are
*usually* (but not always) installed in sockets U77-U86 on the CGP board:

U77 82018701
U78 82018601
U79 82018501
U80 82018401
U81 82018901
U82 82018301
U83 82018201
U84 82018101
U85 82018001
U86 82018801

Sound Block B ROMs have the following KMSI part numbers, and are usually
(but not always)
installed in U57-U66:

U57 82019701
U58 82019601
U59 82019501
U60 82019401
U61 82019901
U62 82019301
U63 82019201
U64 82019101
U65 82019001
U66 82019801

Sound Block C ROMs have the following KMSI part numbers, and are usually
(but not always)
installed in U38-U47. And note the part number-versus-socket number
ordering difference between blocks A/B and blocks C/D/Resident/Enhanced
Resident:

U38 82022901
U39 82022801
U40 82022701
U41 82022601
U42 82022501
U43 82022401
U44 82022301
U45 82022201
U46 82022101
U47 82022001

Sound Block D ROMs have the following KMSI part numbers, and are usually
(but not always)
installed in U11-U20:

U11 82023901
U12 82023801
U13 82023701
U14 82023601
U15 82023501
U16 82023401
U17 82023301
U18 82023201
U19 82023101
U20 82023001

Sweetwater 800 and 900 blocks (from the EPROM images found on-line) need this info:
27c512 EPROMs, burn the SW800 and 900 images, and install them in an open row in the order

701
601
501
401
901
301
201
101
001
801

(lowest Uxx position first and 001 and 801 in the 2 separated socket positions)