Date: February 13, 1983 1:34 PMFrom: Larry Clark, Lynne McCreight, and Frank VestSubject: Dorado Board Revision StatusTo: DoradoCore^.paReply-To: ClarkFiled on:[Indigo]RevStatus.press[Indigo]RevStatus.bravoThis is a list of the revision levels for the Dorado logic drawings.Boards should be marked to reflect the current reworked board revision level.The documentation will be updated soon. Corrections and updates requested.BOARDREVCHANGESBaseBoardswAkUnknownswAlWatchdog timer fixswAmFix timer error; Currentpc BbUnknownpc BcWatchdog timerpc BdFix timer errorpc BeUnknownpc BfUnknownpc BgResistors changed from 5% to 1%; CurrentNotes:1. Last pc logic drawing rev is Be.2. Pull-up resistors have been addedto the 3140 Op Amps on the board butthe documentation has not been changed.ContBswCdCurrentmwCdCurrentapcDaCurrentContAswCdCurrentmwCdCurrentapcDaCurrentProcLswCiNullmwCfUnknownmwCgNullmwChFix to "Hold" signal. CurrentmwCiTerminator resistors added to selected mw boardsRev Ci withdrawn for production boardsapcDamw to apcapcDbCorrect artwork errors; CurrentNote:Last apc logic drawing rev is Da.ProcHmwCdUnknownmwCeNullmwCeCurrentapcDamw to apcapcDbCorrect artwork errors; CurrentNote:Last apc logic drawing rev is Da.IFUswChCurrentmwCeUnknown bpX `2 _% ] \ Y#W$ TyD RM QqK Ni' Ka'I'HY'F'EQ' C'BI'@'?A'('<8.#.:$.90$.7' 4'3 '1' .'-'+' ('''%|'#'"s'0' &k'''.! 'S''K'''.! ' 3' =YL 2mwCfMultiwire layout changemwCgFix interupts after XFERmwChCurrentapcDamw to apcapcDbCorrect artwork errors; CurrentNote:Last apc logic drawing rev is Da.MemCswBeNull; CurrentmwBdUnknownmwBeNull; CurrentapcBemw to apc; Current (Used for Resource boards only.)apcDaNull; CurrentNote:Last apc logic drawing rev is Be.MemXCcOld rev; Not reworkableswCgUnknownswChCurrentmwCgUnknownmwChCurrentapcDamw to apcapcDbCorrect artwork errors; CurrentNotes:1. Last apc logic drawing rev is Da.2. Socket with .01 uF caps addedto 64K map chip locations butthe documentation has not been changed.3. On MemX23.sil the 22 uF cap locationsat b13 and c11 need correction butthe documentation has not been changed.MemDswBeCurrent; 1k cache chipsswCaCurrent; 4k cache chipsmwBeCurrent; 1k cache chipsmwCaCurrent; 4k cache chipsapcDamw to apc; 1k cache chips; CurrentMSAswBgCurrentpcPaCurrent: also known as "PCMSA"Note: Chip j2 pinout is wrong andclock at c1.9 is missing on logic drawings.DskEthswBd2 boards in service; cannot be reworkedswCeNullswCfCurrentmwCeNullmwCfCurrentapcDamw to apcapcDbPower off disk protect; CurrentNotes:1. Plats added at a18, f03, and f06 butthe documentation has not been changed.DispYswChFix DispM color problemsswCiUnknownswCjLF Display mod.swCkTrial 1000 line display enhancementNfpb'X`'_']'\''Y.! U' Ty'R' Qq'3O' 'L.! I'HY'F'EQ'C'BI'@''=.$.<8.:.90'.7(.6(".4' 1'0'.'-'+'" (''''#!'"s, k'''c''[''S''K.'.' ' ;' ' 3'# =^3mwChFix DispM color problemsmwCiUnknownmwCjLF Display modmwCk1000 line display enhancement; not usedapcDamw to apc; created from CjapcDbCorrect artwork errors; CurrentNotes:1. Chip in a02 not required butthe documentation has not been changed.DispMswCgUnknownswChadd prog PhaseRef and NTSC crystal option; 1 existsmwCgCurrent; not upgraded to ChmwChadd prog PhaseRef and NTSC crystal option; 1 existsapcDamw to apc; CurrentNotes:1. apc does not yet exist.Special Board:MusicswAcCurrentNfpb'X`'_' ]''\'Z''W..U' R'Qq'3O'Ni'3L''I. EQ BI' @~='l HELVETICA   j/ v͘RevStatus.bravo Clark, LarryFebruary 13, 1983 2:45 PM