XO A

Alpha test model ATest, also known as A-test, or just A.

See Alpha Test Prototype Electronics.

Identification

• bare circuit board, no case,

Restrictions

• wireless is not encased,
• no longer included in testing,
• last known working firmware: ?
• last known working operating system build: ?
• some units had RAM that did not meeting CAS timing specification, code was added to OpenFirmware to detect and compensate.

Followed by

• B1

Preceeded by

• nothing