Customizing The Board 5-3
5.3 Memory and I/O Mapping
5.3.1
Memory Mapping
You also have room for up to 10 MB of Solid State Disks (SSDs):
U10 allows up to 128KB of EPROM for the BIOS.
Up to 8MB of FLASH EPROM can be installed on U19 and U20.
Up to 2MB of battery-backed SRAM disk can be installed on U27/28/35/36.
TABLE 5-1:
Memory Map
600000 to 7FFFFF: SRAM
800000 to FFFFFF: Flash
600000
67FFFF
U36
800000
9FFFFF
U19
680000
6FFFFF
U28
SRAM
A00000
BFFFFF
U19
Flash
700000
77FFFF
U35
C00000
DF0000
U20
780000
7FFFFF
U27
E00000
FFFFFF
U20
TABLE 5-2:
Onboard Decoded I/O Map
ADDRESS
FUNCTION
000-00F
DMA controller 1
020-03F
Interrupt controller 1
040-05F
Timer
060-06F
Keyboard & Mouse
070-07F
Real-time clock, NMI mask
080-09F
DMA page register
0A0-0BF
Interrupt controller 2
0C0-0DF
DMA controller 2
0F0-0FF
Math coprocessor
1F0-1F7
Hard disk
201
Watchdog timer, PDO, user
378-37A
LPT1
2F8-2FF
COM2
3F2-3F7
Floppy disk
3F8-3FF
COM1
Summary of Contents for TEK-AT4L Plus
Page 7: ...PRODUCT DESCRIPTION 1 PRODUCT OVERVIEW 2 ONBOARD SUBSYSTEMS...
Page 9: ...Product Overview 1 2 TEK AT4LPLUS Block Diagram...
Page 26: ...Installing Devices 6 3 CONNECTOR LOCATION...
Page 35: ...Setting Jumpers 8 3 JUMPER LOCATIONS...
Page 36: ...Setting Jumpers 8 5 TABLE 8 1 Jumper Settings W1 W11...
Page 37: ...Setting Jumpers 8 6 TABLE 8 2 Jumper Settings W12 W19 W26...
Page 38: ...Setting Jumpers 8 7 TABLE 8 3 Jumper Settings W20 W25 SW1 SW2...
Page 41: ...APPENDICES A PRODUCT SPECIFICATIONS B BOARD DIAGRAMS C CONNECTOR PINOUTS...
Page 43: ...Board Diagrams B 1 B 1 TEK AT4LPLUS Assembly Diagram Top View...
Page 44: ...Board Diagrams B 3 B 2 TEK AT4LPLUS Mounting Holes...
Page 45: ...Board Diagrams B 5 B 3 TEK AT4LPLUS Mechanical Specifications...