| Brand | Acorn |
|---|---|
| Type | IC |
| Country of Origin | United Kingdom |
Check the listing for details. ACORN BBC MICRO REPLACEMENT IC - HN613256PE27 - UNB09 - US OS A1.0 & US BASIC 3. Condition: Open box, Made in United Kingdom. Listed at 6.65 USD. Acorn BBC Micro Model B OS & BASIC ROM, original Hitachi part HN613256PE27. This is an original MASK ROM part for the USA Spec BBC Micro Model B, part number UNB09. It also sets the screen modes up for an NTSC type aspect ratio.
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