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Text File
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2003-07-03
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2KB
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41 lines
** tHE cOMMODORE d9060 AND d9090 CAN USE THE SAME FIRMWARE. tHE DIFFERENCE
** BETWEEN THESE UNITS IS THAT THE JUMPER j14 ON THE dos BOARD IS OPEN IN
** THE d9060, AND CLOSED IN THE d9090 TO SELECT A 4-HEAD VS. 6-HEAD DRIVE.
** tHE JUMPER j13 SEEMS TO BE UNUSED.
**
** aCCORDING TO wOLFGANG g{$fc}NTHER, THE eprom TYPE MAY BE 2564 OR 2764,
** DEPENDING ON THE BOARD VERSION ("aSSY nO. 300012-001, rEV.b" OR
** "aSSY nO. 300012-002, rEV.a"). tHIS IS THE CASE OF 300516/300517 REV.c.
SCHEMATICS/
sCHEMATIC DIAGRAMS
300515-REVa.BIN
d9090 rom IMAGE FROM 2716 AT LOCATION 4c FROM d9090 S/N 2041
uPLOADED BY eTHAN dICKS <ERD@INAME.COM>. aN eprom OF EQUAL CONTENTS
WAS IN bO zIMMERMAN'S 9090. tHE CHIP WAS LABELLED "300515 rEV a".
300515-REVb.BIN
d9060 rom IMAGE FROM 2716 AT LOCATION 4c FROM d9060 S/N 1533
uPLOADED BY eTHAN dICKS <ERD@INAME.COM>. tHE CHIP WAS LABELLED
"300515 rEV b". 2716 epromS WITH THE SAME CONTENTS WERE IN THE d9060
AND d9090 (S/N 3677) DRIVES OF wOLFGANG g{$fc}NTHER <WOLL@WOLLTRONIC.DE>.
tHOSE CHIPS WERE LABELLED "300515-001" OR "300515 rEV b".
300516-REVb.BIN
a 2564 eprom AT LOCATION 7c. tHIS FIRMWARE WAS ENCOUNTERED BOTH IN
bO zIMMERMAN'S d9090 AND IN eTHAN dICKS' d9060 (S/N 1470).
300516-REVc.BIN
a 2564/2764 eprom AT LOCATION 7c, LABELLED "300516 rEV. c". tHIS FIRMWARE
WAS ENCOUNTERED IN wOLFGANG g{$fc}NTHER'S ALL DRIVES.
300517-REVa.BIN
d9090 rom IMAGE FROM AN eprom OF bO zIMMERMAN'S 9090.
300517-REVb.BIN
d9060 rom IMAGE FROM 2564 AT LOCATION 7d FROM d9060 S/N 1470
uPLOADED BY eTHAN dICKS <ERD@INAME.COM>.
300517-REVc.BIN
a 2564/2764 eprom AT LOCATION 7d, LABELLED "300517 rEV. c". tHIS FIRMWARE
WAS ENCOUNTERED IN wOLFGANG g{$fc}NTHER'S ALL DRIVES.
VERSIONS.TXT
wILLIAM lEVAK'S NOTE ON THE 9060/9090 rom VERSIONS.