
386SX Single Chip PC Jan Yin Chan Electronics Co.,LTD.
DM&P M6117D : System on a chip
Page 58
Jan Yin Chan Electronics Co,. LTD. M6117D 386SX Single Chip PC
8F-1,No.22,Wuchyuan 2RD.,Hsin Chuang city Taipei Hsien, Taiwan, R.O.C. Tel: 886-(02) 2298-0770 Fax: (02) 2299-1883
5.3 Memory Auto Sizing
big_gdt_descriptor label fword
dw big_gdt_end - big_gdt - 1 ; limit of gdt
dw offset big_gdt
db 0fh
db 93h
dw 0000h
big_gdt label qword
dq 0
dq 008f93000000ffffh
dq 000093000000ffffh
big_gdt_end equ $
mem_config_table label word
; memory mode total
; type pattern memory Type
dw 0011h, 0000h, 0001h, ; 0
dw 1111h, 0010h, 0002h, ; 1
dw 0311h, 0020h, 0003h, ; 2
dw 3311h, 0030h, 0005h, ; 3
dw 0511h, 0040h, 0009h, ; 4
dw 0002h, 0050h, 0001h, ; 5
dw 0022h, 0060h, 0002h, ; 6
dw 0322h, 0070h, 0004h, ; 7
dw 3322h, 0080h, 0006h, ; 8
dw 0522h, 0090h, 000ah, ; 9
dw 5522h, 00a0h, 0012h, ; 10
dw 0032h, 00b0h, 0003h, ; 11
dw 0332h, 00c0h, 0005h, ; 12
dw 0052h, 00d0h, 0009h, ; 13
dw 0003h, 00e0h, 0002h, ; 14
dw 0033h, 00f0h, 0004h, ; 15
dw 0333h, 0008h, 0006h, ; 16
dw 3333h, 0018h, 0008h, ; 17
dw 0533h, 0028h, 000ch, ; 18
dw 5533h, 0038h, 0014h, ; 19
dw 0053h, 0048h, 000ah, ; 20
dw 0553h, 0058h, 0012h, ; 21
dw 5553h, 0068h, 001ah, ; 22
dw 0004h, 0078h, 0004h, ; 23
dw 0044h, 0088h, 0008h, ; 24
dw 5544h, 0098h, 0018h, ; 25
dw 0054h, 00a8h, 000ch, ; 26
dw 0005h, 00b8h, 0008h, ; 27
dw 0055h, 00c8h, 0010h, ; 28
dw 0555h, 00d8h, 0018h, ; 29
dw 5555h, 00e8h, 0020h, ; 30
dw 0066h, 00f8h, 0040h, ; 31
; Stack must be available
; all routines in this section must be executed at ROM access
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