Table A-5 Xe-700 Sbc Memory Map; Table A−6 Com3/4 Switches, Switch 2; Table A-7 Cpu Clock Speed Switch, Switch 3; Switch Settings - Octagon Systems XE–700 Reference Manual

Table A–5 XE–700 SBC memory map
Address
00000H to 9FFFFH
A0000H to BFFFFH
C0000H to CBFFFH
CC000H to D7FFFH
D8000H to DFFFFH
E0000H to FFFFFH
10000H to FFFFFFFFH

Switch settings

−
Table A 6 COM3/4 switches, Switch 2
COM Port
COM3
COM4
* Default. These switches terminate the network. If
the XE–700 SBC is not at an end of the network, set
these switches to Off .
Table A–7 CPU clock speed switch, Switch 3
Position
1
2
3
1
2
3
* default
108
XE–700 SBC memory map
Size
640KB
128KB
48KB
48KB
32KB
128KB
4GB
COM3/4 switches, Switch 2
Interface Switch 4 Settings
RS–422/RS–485
no termination
RS–422/RS–485
with termination
RS–422/RS–485
no termination
RS–422/RS–485
with termination
CPU clock speed switch, Switch 3
Setting 66/133 CPU speed
Off*
On*
Off*
On
Off
On
Description
DOS and extended BIOS RAM
Off Card Memory (shadowable)
Video BIOS
Off Card Memory
Extended BIOS Area when X jumper
installed or off card shadowable
System BIOS
Addressable Extended Memory
Position 1 Off
Position 2 Off
Position 1 On*
Position 2 On*
Position 3 Off
Position 4 Off
Position 3 On*
Position 4 On*
133 MHz
66 MHz
Shadowing
ENABLED
ENABLED