| Configuration | Bare Board |
|---|---|
| Brand | Tuc's Workbench |
Check the listing for details. X-Mem/80 TRS-80 Model I memory upgrade. Condition: New. Listed at 11.99 USD. To select the page number, out 67, is used. The page number can also be read back via inp 67. To select the lower 16 KB page, out 65, is used, and out 66, for the higher 16 KB page.