dirkmirk wrote:What does that clock card do?
The first 8088 and 8086 - v20 and XT compatible computers doesnt have a real time clock on the motherboard
The motherboard bios is very basic in that time.
-It only could boot the system
-You couldnt use *DEL* or *F2* to get in de bios, that wasnt really possible..
- It didnt support High capacity drives (like 1.44MB or 1.2MB)
So when every time you booted the system, you need to set the date and time specs in the computer when it was on.. Dos had a software clock / time settings..
In that time you could buy an EMS memory board or just a full intergrated board with CGA, floppy 360KB, 720KB, parallel, serial ports on it and some had also a realtime clock intergrated on that board..
You had to load a driver to activate the realtime clock..
The downside of those oldere RTC boards are that they arent year 2000 compatible. That means when year 1999 has done it goes back to 1900..
This board that i have bought have a enhanced bios on it.. You can see it as a extra bios extension.. So what is needed to get year 2000 compatible thats in that extra enhanced bios.. what the motherboard bios not have build in..
So my XT V20 NEC build have possibilities to be 2000 year compliant..
I also think i dont have to install software for it, because that card is a fully hardware solution.. Then i could use time and 2013 settings on my XT computer..
Would the RTC be dead.. I would desolder it.. Then solder a IC socket in the board and put a new RTC device in..
Then i could remove my smart watch thing from the board..
Because that one needs to have a driver..
~ At least it can do black and white~