SurePOS 500 4846-XX5 Technical Reference

768-831 KB

C0000-CFFFF

64 KB

Video BIOS ROM (shadowed)

 

 

 

 

832-835 KB

D0000-D0FFF

4 K

Network ROM boot loader

 

 

 

 

836-895 KB

D0FFF-EFFFF

124 KB

Free for EMM386

 

 

 

 

896 – 959KB

E0000-EFFFF

64KB

Free for EMM386

 

 

 

 

960 KB - 1MB

F0000-FFFFF

64 KB

System ROM BIOS

 

 

 

 

1- 16 MB

100000-FFFFFF

15 MB

PCI/ISA Space

 

 

 

 

16 MB – 4095.5

1000000-FFF7FFFF

4079.5 MB

OS, PCI adapter memory decode, etc.

GB

 

 

 

4095.5 MB -

FFF80000-FFFFFFF

512 KB

System ROM BIOS (ISA Bus)

4096 MB

 

 

 

3.9COM Port Setup

Physical

Tailgate

Function

Connector

Location

Notes

Default

Port

I/O and

UART

Type

Name

 

 

 

IRQ

 

 

 

 

 

UART1

COM1

Available to

RJ45

Rear

BDA COM1

3F8/4

user

Tailgate

 

 

 

 

 

UART2

COM2

Available to

RJ45

Rear

BDA COM2

2F8/3

user

Tailgate

 

 

 

 

 

UART3

COM3

Available to

RJ45

Rear

COM6

2E0/11

user

Tailgate

 

 

 

 

 

 

 

Distributed

 

Rear

BDA COM4

 

 

 

VFD

DB15 F

 

 

 

 

Tailgate

Only one of integrated or

 

 

 

connection

 

 

 

 

 

 

 

 

 

 

 

 

distributed VFD may be

 

 

 

Integrated

 

 

 

UART4

Dist-VFD

Custom

Tower Top

enabled at the same time.

2E8/6

VFD

CMOS Setup allows

 

 

connection

 

 

 

 

 

 

 

selection.

 

 

 

 

 

 

 

 

 

8051 1

Internal

Internal

Communications with 8051

 

 

 

for EEPROM, cash drawer,

 

 

 

 

 

 

and LCD control.

 

UART5

n/a

MSR

RJ45

Tablet Side

BDA COM3

3E8/5

connection

 

 

 

 

 

 

 

 

 

 

 

COM5

 

UART6

n/a

Touch

Internal

Internal

Resources hardcoded to

2D8/7

 

 

 

 

 

2F0h/IRQ 7

 

3.10 Video Modes

Supported VGA Video Display Modes

 

 

Color

 

 

 

 

Dot

Horiz.

 

Video

Video

Pixel

Mode

Display

Font

Character

Cloc

Vert

Depth

k

Freq.

Memory

Mode

Resolution

Type

Adapter

Size

Resolution

Freq(Hz)

(bpp)

(MHz

(KHz)

(KBytes)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1Information for communicating with the 8051 can be found in the Bryce I/O Subsystem Microcontroller Firmware Specification.

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Image 27
IBM 500 manual COM Port Setup, Video Modes, Physical Tailgate Function Connector Location Default Port, Type, Name

500 specifications

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