Custom Chips

ID #3189

Custom Chips: Ramsey


Found only in the A3000 series and A4000T machines, the Ramsey is responsible for addressing RAM and producing DMA addressing, particularly with regards to the motherboard SCSI controller. Ramsey 04 is normally used with DMac 02, and Ramsey 07 is normally used with Dmac 04.

Chip Number Part Number Used in
Ramsey 390398-01 A590, A2091
Ramsey 51 390541-04 A3000, A4000
Ramsey 45 390541-07 A3000T, A4000, A4000T

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Last update: 2009-01-25 14:55
Revision: 1.0

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