Epson 900N Especificaciones - Página 9
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Port Replicator connector (J6) (continued)
Hardware Interrupts
CPU Configuration Information
Switch
S1 CPU Type
Cyrix 5x86 QFP
1, ON
daughterboard
2, OFF
3, OFF
4, ON
Cyrix 5x86 PGA
1, ON
2, ON
3, OFF
4, ON
left
S2 Speed
(Motherboard speed)
center
right
DC board voltage
left
(on DC board)
center
right
System Memory Map
FFFFFFH
DMA Assignments
Description
settings for 5x86
QFP
settings for 5x86
PGA
40MHz
33MHz
25MHz
4V
3.45V
3.3V
10/21/95
EPSON ActionNote 900 Series
00000H
0A0000H
128KB reserved for graphics display area
0C0000H
0D0000H
0E0000H
0EA000H
Power Management Utility
0F0000H
100000H
FFE000H
Duplicated code assignment at address 0F0000
Channel
Device
DMA0
Available
Sound Card
DMA1
Diskette Controller
DMA2
ECP
DMA3
DMA4
Cascade for DMA CTRL #1
Available
DMA5
DMA6
Available
DMA7
Available
640KB base memory
Reserved
Reserved
48KB for VGA BIOS
64KB for system BIOS
Extended memory
AN900-10
I