Compaq Armada m300 Compaq Armada M300 Series of Personal Computers Maintenance - Page 98

System Memory Map, Table 6-13

Page 98 highlights

Table 6-12 Continued I/O Address (Hex) 2E8 - 2EF 2F0 - 2F7 2F8 - 2FF 320 - 36F 378 - 37F 380 - 387 388 - 38B 38C - 3AF 3B0 - 3BB 3BC - 3BF 3C0 - 3DF 3E0 - 3E1 3E8 - 3EF 3F0 - 3F7 3F8 - 3FF CF8 - CFB CFC - CFF System Function (Shipping Configuration) Reserved Serial Port Unused Infrared port Unused Parallel Port (LPT1/Default) Unused FM Synthesizer - OPL3 Unused VGA Reserved (Parallel Port/No EPP Support) VGA PC Card Controller in CPU SMC IrCC (Fast Infrared) Hardware and Driver (Com 3) "A" Diskette Controller Serial Port (COM1/Default) PCI Configuration Index Register (PCIDIV0-1) PCI Configuration Data Register (PCIDIV0-1) 6.11 System Memory Map Size 640 K 128 K 48 K 160 K 64 K 15 M 58 M 58 M 2 M 4 G 64 K Table 6-13 System Memory Map Memory Address System Function 00000000 - 0009FFFF Base Memory 000A0000 - 000BFFFF Video Memory 000C0000 - 000CBFFF Video BIOS 000C8000 - 000E7FFF Unused 000E8000 - 000FFFFF System BIOS 00100000 - 00FFFFFF Extended Memory 01000000 - 047FFFFF Super Extended Memory 04800000 - 07FFFFFF Unused 08000000 - 080FFFFF Video Memory (Direct Access) 08200000 - FFFEFFFF Unused FFFF0000 - FFFFFFFF System BIOS Specifications 6-9

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Specifications
6-9
Table 6-12
Continued
I/O Address (Hex)
System Function (Shipping Configuration)
2E8 - 2EF
Reserved Serial Port
2F0 - 2F7
Unused
2F8 - 2FF
Infrared port
320 - 36F
Unused
378 - 37F
Parallel Port (LPT1/Default)
380 - 387
Unused
388 - 38B
FM Synthesizer - OPL3
38C - 3AF
Unused
3B0 - 3BB
VGA
3BC - 3BF
Reserved (Parallel Port/No EPP Support)
3C0 - 3DF
VGA
3E0 - 3E1
PC Card Controller in CPU
3E8 - 3EF
SMC IrCC (Fast Infrared) Hardware and Driver (Com 3)
3F0 - 3F7
"A" Diskette Controller
3F8 - 3FF
Serial Port (COM1/Default)
CF8 - CFB
PCI Configuration Index Register (PCIDIV0-1)
CFC - CFF
PCI Configuration Data Register (PCIDIV0-1)
6.11
System Memory Map
Table 6-13
System Memory Map
Size
Memory Address
System Function
640 K
00000000 - 0009FFFF
Base Memory
128 K
000A0000 - 000BFFFF
Video Memory
48 K
000C0000 - 000CBFFF
Video BIOS
160 K
000C8000 - 000E7FFF
Unused
64 K
000E8000 - 000FFFFF
System BIOS
15 M
00100000 - 00FFFFFF
Extended Memory
58 M
01000000 - 047FFFFF
Super Extended Memory
58 M
04800000 - 07FFFFFF
Unused
2 M
08000000 - 080FFFFF
Video Memory (Direct Access)
4 G
08200000 - FFFEFFFF
Unused
64 K
FFFF0000 - FFFFFFFF
System BIOS