Chapter 2: TI-83 Plus Specific Information 9
TI-83 Plus Developer Guide Third Release May 28, 2002
The TI-83 Plus Silver Edition Flash ROM is composed of 2048K (2M) bytes divided into 128
pages, each of which is 16K bytes in size. The structure is generally the same as the TI-83
Plus except for the inclusion of 96 additional 16K pages (24 additional 64K sectors).
The TI-83 Plus Flash structure chart (Fig. 2.5) is correct up to page 14h; at that point, the TI-83
Plus Silver Edition includes more data pages. The TI-83 Plus Silver Edition also has OS
residing at the high 8 pages of Flash, 78h…7Fh. The TI-83 Plus high memory is 18h… 1Fh.
Fig. 2.5b: TI-83 Plus Silver
Edition Flash ROM structure
00000 Addr Page(s) Size
OS 07h – 00h 07 - 00 128K
SWAP/USER DATA 0Bh – 08h 11 – 08 64K
SWAP/USER APPS/DATA 0Fh - 0Ch 15 – 12 64K
USER APPS/DATA 13h – 10h 19 – 16 1334 K
USER APPS/DATA 67h – 14h 103 – 20 32K
USER APPS/DATA 69h – 68h 105 – 104 32K
CERTIFICATE LIST 6Bh - 6Ah 107 – 106 32 K
FUTURE OS USE 77h – 6Ch 119 – 108 192K
OS 7Bh – 78h 123 - 120 32K
SYSTEM PRIVILEGED 7Dh - 7Ch 125 – 124 32K
CERTIFICATION 7Eh 126 16K
7FFFF BOOT 7Fh 127 16K
Legend
SWAP and/or User APPS Area
Update System (OS) Area
Fixed Area — changeable only by TI
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