Memotech Limited MTX 500, Service Manual

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PROM CODE FOR MEMORY EXPANSION BOARDS
MTX 500 CODE DESCRIPTION
OLL 1 ROW OF 32K L OR
(MAX 96K) 2 ROWS OF 32K L
OLH 1 ROW OF 32K L
(MAX 96K) 1 ROW OF 32K L AND 1 ROW OF 32K H
OHH 1 ROW OF 32K H OR
(MAX 96K) 2 ROWS OF 32K H
OL64 1 ROW 32K L AND
(MAX 128K) 1 ROW 64K
00128 2 ROWS OF 64K
(MAX 160K)
04128 TO RUN IN CONJUNCTION WITH 00128
(MAX 288K) 2 ROWS OF 64K
08128 TO RUN IN CONJUNCTION WITH 00128
AND 04128
(MAX 416K) 2 ROWS 64K
MTX 512 CODE DESCRIPTION
1LL 1 ROW OF 32K L OR
(MAX 128K) 2 ROWS OF 32K L
1LH 1 ROW OF 32K L
(MAX 128K) 1 ROW OF 32K L AND 1 ROW OF 32K H
1HH 1 ROW OF 32K H OR
(MAX 128K) 2 ROWS OF 32K H
10128 2 ROWS OF 64K
(MAX 192K)
14128 TO RUN IN CONJUNCTION WITH 10128
(MAX 320K) 2 ROWS OF 64K
18128 TO RUN IN CONJUNCTION WITH 10128
AND 14128
(MAX 448K) 2 ROWS OF 64K
1C128 TO RUN IN CONJUNCTION WITH 10128
AND 14128 AND 18128
(MAX 512K) 1 ROW OF 64K
MTX Service Manual