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45584901TH Rev.1

8-20 /

Oki Data CONFIDENTIAL

8.4 Firmware Updating with PWA-DWNLD-JIG2

The data to be overwritten by this update are as follows.

WhentheCUboardisreplaced,updatetheROMdatawrittenonCUboardasnecessary.

Equipment

Firmware Updating method

System ﬁrmware System control PC board

(CU board)

PWA-DWNLD-JIG2 (48MB)

ROM4

ROM5

ROM6

ROM1

ROM2

ROM3

[1] [2]

Fig.8-14

[1] Connector (for CU board connection)

[2] Connector (for ROM writer adapter connection)

Important:

Thedownloadjig(PWA-DWNLD-JIG2F)isthejiginwhichtheFlashROMismountedonthe

boarddirectly.Therefore,ROMwriteradapter(PWA-DL-ADP-350)isrequiredtowritethedata

to these Flash ROMs. Refer to the following to write the data.

Remarks: Useable jigs

Downloadjigsforthisequipmentareasfollows:

No Type of jig ROM capacity Remarks

1 PWA-DWNLD-JIG1 16MB

2 PWA-DWNLD-JIG2 48MB

Oki MC770 Maintenance Manual

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