II-15
1.3.3 ROM
A program file of 512 Kbytes and the font data are stored in the ROM. A 42-pin IC socket
is provided: a 16 Mbits ROM (42-pin) is mounted into this socket normally, but a 4 Mbits
ROM (40-pin) can be mounted by leaving the 1st and 42nd pins of the socket open
circuit.
Fig. 2-11
A program file of 4.0 Mbytes and the font data are stored in the ROM. Two 42-pin IC
sockets are provided: two 16 Mbits ROMs (42-pin) can be mounted into these sockets.
Fig. 2-12
HL-1050
HL-820/1020/1040
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