DH Instruments PG7000 Instruções de atualização - Página 3

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PG7000 ™ Upgrade Instructions Flash with EEPROM to Flash without EEPROM,

PG FLASH MEMORY

ADAPTOR (SHOWN @ U45,

SEE INSTRUCTIONS

BELOW FOR ACTUAL

LOCATION)

EPROM ON NON-FLASH

PG (SHOWN @ U44, SEE

INSTRUCTIONS BELOW

FOR ACTUAL

LOCATION)

U45

For software ver. 1.05 or higher; EPROM's are already installed at both U44 and U45. Follow instructions below.

For PAL ver. 1.00 and 1.01, or if the PAL version number is not marked: Remove the PAL from U50.

Insert the new CHIP SELECT PAL, ver. 1.03, P/N 401228, at U50.

Remove EPROMs from locations U44 and U45

Insert the new BIOS EPROM, P/N 401597, at U44

Insert the PG flash adaptor, P/N 401596, at U45

Remove NVRAM DS1230Y from U49 and NVRAM DS1386 from U54.

Insert NVRAM DS1245Y into U49 and NVRAM DS1248Y into U54.

Install two jumper shunts on J12.

Install two jumper shunts on J13.

Using two lengths of the black 28 AWG wire and referring to Figure 2, connect the PG flash adaptor to the PG main

board. Use silicon glue to hold the wire on the board.

U44

U47

U53

Figure 2

Non-Flash to Flash without EEPROM

U41

U46

U49

DS1245Y

U50

U54

DS1248Y

PAL