Chapter 1
23
Material
Housing: MG-AL
Panel : Plastic
Indications
Power LED, Sleep LED, Media Activity, Battery Charge, Caps Lock
Switch
Power
Memory Address Map
Memory Address
Size
Function
00000000-0009FFFF
640 KB
Base memory
000A0000-000BFFFF
128 KB
Video memory
000C0000-000C9FFF
40 KB
Video BIOS
000CA000-000CBFFF
8 KB
I/O ROM
000E0000-000FFFFF
128 KB
System BIOS
00100000-top limited
04301000-04301FFF
04302000-04302FFF
0430000-04300FFFF
--
4 KB
4 KB
64 KB
Extended (DIMM) memory
PCMCIA controller (slot 1)
PCMCIA controller (slot 2)
USB controller
FFFF0000-FFFFFFFF
64 KB
System board extension for PnP
BIOS
I/O Address Map
I/O Address
Function
000-00F
DMA controller-1
020-021
Interrupt controller-1
040-043
Timer 1
060, 064
Keyboard controller 8742 chip select
061
System speaker out
040B DMA
controller-1
061
System speaker
070-071
Real-time clock and NMI mask
080-08F
DMA page register
0A0-0A1
Interrupt controller-2
0C0-0DF
DMA controller-2
0F0-0FF
Numeric data processor
120-13F
180-18F
Power management controller
170-177
2nd EIDE device (CD-ROM) select
1F0-1F7
1st EIDE device (hard drive) select
220-22F
Audio
240-24F
Audio (optional)
278-27F
Parallel port 3
2E8-2EF
COM4
2F8-2FF
COM2 or FIR (optional)
378, 37A
Parallel port 2
3BC-3BE
Paraller port 1
3B0-3BB
3C0-3DF
Video Controller
Mechanical Specification
Item
Specification
340SG.book Page 23 Thursday, October 28, 1999 10:51 AM
Summary of Contents for TravelMate 340
Page 74: ...68 Chapter 6 340SG book Page 68 Wednesday November 3 1999 11 46 AM ...
Page 82: ...76 Chapter 6 340SG book Page 76 Wednesday November 3 1999 11 46 AM ...
Page 84: ...78 Appendix A 340SG book Page 78 Wednesday November 3 1999 11 46 AM ...
Page 94: ...88 Appendix C 340SG book Page 88 Wednesday November 3 1999 11 46 AM ...