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Seagate Rosewood Families, Headmaps and Preamps

Seagate Rosewood Families, Headmaps and Preamps

Post by lcoughey » Wed Jun 19, 2019 5:24 pm
Rosewood 8C (CheopsAM)- WES, WCC, W93, WCB

WES - 0,1 - 82 - SDM1
WCC - 0,1,2,3 - 82
W93 - 0,1 - 82

Rosewood A5 (CheopsLiteM) - WBZ, WDE, ZDE, WDZ, ZDZ, ZF5

WBZ - 0,1 - 82; 0,1,2 - 82 - SBK3, SBM3; 0,1,2,3
WC0 - 0,1,2,3 - 82 - SBM3
WDE - 0,1 - 82
WDZ - 0,1,2,3 - C2/82 - LDM2
WL1 - 0,1 - C2 - SPS6, 0,1,2,3 - SDM4
WQ9 - 0,1,2,3 - 82 - RTM2
ZDE - 0,1 - 82, 0,1 - 87 - SBM3, RSM7
ZDZ - 0,1,2,3 - 82 - SBK2
ZF5 - 0,1,2 - C2, 82

Rosewood AF (Janus) - WDZ, ZDZ

WBZ - 0,1 - 82 - ????
WDZ - 0,1,2,3 - ??? - EB01
ZDZ - 0,1,2,3 - 82 - EB01

Note: it was just noticed that when reading the Preamp directly from ROM on one drive (ZF5), the preamp shows as 82. Yet, via ctrl-l in terminal, it shows C2. This seems to reinforce the idea that the preamp versions are likely interchangeable.
  • This has happened 2X, thus far - Using a Rosewood AF (ZDZ) set of heads on a Rosewood A5 (WDZ) patient allowed to read, but could not write SA.
  • As noted below by @arthur, AF-WBZ donor heads worked for A5-WBZ patient, including the ability to write to SA.

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