Com Port Setup; Video Modes - IBM SUREPOS 500 Technical Reference

768-831 KB C0000-CFFFF
832-835 KB D0000-D0FFF
836-895 KB D0FFF-EFFFF
896 – 959KB E0000-EFFFF
960 KB - 1MB F0000-FFFFF
1- 16 MB 100000-FFFFFF
16 MB – 4095.5
1000000-FFF7FFFF
GB
4095.5 MB -
FFF80000-FFFFFFF
4096 MB
3.9

COM Port Setup

Tailgate
Physical
Port
UART
Name
UART1 COM1
UART2 COM2
UART3 COM3
UART4 Dist-VFD
UART5 n/a
UART6 n/a

3.10 Video Modes

Supported VGA Video Display Modes
Video Pixel
Mode Resolution
1
Information for communicating with the 8051 can be found in the Bryce I/O Subsystem Microcontroller Firmware
Specification.
SurePOS 500 4846-XX5 Technical Reference
64 KB
4 K
124 KB
64KB
64 KB
15 MB
4079.5 MB
512 KB
Connector
Function
Type
Available to
RJ45
user
Available to
RJ45
user
Available to
RJ45
user
Distributed
VFD DB15 F
connection
Integrated
VFD Custom
connection
8051 1 Internal
MSR
RJ45
connection
Touch Internal
Color
Mode Display
Depth
Type Adapter
(bpp)
Video BIOS ROM (shadowed)
Network ROM boot loader
Free for EMM386
Free for EMM386
System ROM BIOS
PCI/ISA Space
OS, PCI adapter memory decode, etc.
System ROM BIOS (ISA Bus)
Location Notes
Rear
BDA COM1
Tailgate
Rear
BDA COM2
Tailgate
Rear
COM6
Tailgate
BDA COM4
Rear
Tailgate
Only one of integrated or
distributed VFD may be
enabled at the same time.
Tower Top
CMOS Setup allows
selection.
Communications with 8051
Internal for EEPROM, cash drawer,
and LCD control.
Tablet Side BDA COM3
COM5
Internal Resources hardcoded to
2F0h/IRQ 7
Font Character
Size Resolution
Page 27 of 63
Dot
Horiz.
Cloc
Vert
k Freq.
Freq(Hz)
(MHz (KHz)
)
Default
I/O and
IRQ
3F8/4
2F8/3
2E0/11
2E8/6
3E8/5
2D8/7
Video
Memory
(KBytes)