1MB RAM Board (640Kb + UMB RAM) 8-bit ISA for PC/XT Computer

Description

1. Item description:
1MB RAM Board (640Kb + UMB RAM) 8-bit ISA for PC/XT Computer.
The Board comes with instruction describing the DIP switches.
The mounting bracket can be black or green. It is selected randomly, if you want to choose the color yourself, then send a message with your preferred color (black or green).
1.1 Features:
8-bit ISA card that fills XT to the max RAM.
Supports machines with zero RAM.
Supports IBM 5150 with onboard 64K.
Put RAM at any location in 64K blocks.
Put RAM in unused upper memory, and use USE!UMBS driver in DOS to free up conventional memory.
The Board has panels under the chips, so if you need to replace the chip, it will not be difficult and you will not need special equipment.
The plastic mounting bracket (Keystone 9202) is included for free. It is printed on a 3D printer, so it does not have high mechanical characteristics.
2. Outer appearance and condition:
It can work with other "XT" computers (IBM 5150, IBM 5160).
The board is sold as-is without refund.
See attached photos.
The switches on the board are blue instead of the red color shown in the photos.
The mounting bracket can be black or green. It is selected randomly, if you want to choose the color yourself, then send a message with your preferred color (black or green).
3. Terms of sale:
This is a private sale. All items from this listing are sold as is without returns and/or warranty. They are tested at the moment of posting a listing and the condition of items is described in the article above.
4. Payment:
The payment for the purchased lot must be made within 4 days from the moment of pressing a “buy” button, but not later than on the 4th day.
The lot will be packed and sent within 3 working days from the moment the payment for it was made (usually it will be at the next working day after the day of payment).
5. Terms of shipping:
Worldwide shipping.
When possible I make a combined shipping.
To get a discount on the combined shipping, when buying several items from me, please contact me.
Delivery to European countries and USA now takes the average of
20-45 days.
Currently, there is a limited number of air flights that perform postal services around the world.
In this regard, the delivery of the item may take up to
2-3 months
.
By purchasing the item, you agree to the condition that there may be delays and delivery may take longer than usual.
Thank you for understanding.
6. Other terms:
Contact with me if you have any questions.
Please, see my other lots of retro items.