Electronics > Repair
Unified tektool released ! (Firmware flash tools for old Tektronix TDS series)
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HighPrecision:
Hi,

I'm trying to update the firmware of an old TDS744A scope (s/n: B012xxx), using the unified tektool software, my PC is the Thinkpad X301 with Win7, installed NI-488.2 v20 connected with interface 'GPIB-USB-HS'.

ID of flash chips is: 0x012a = 28F020 (AMD)

I'm getting this errors with backup commands for NVRAM and Flash:
"read_memory: response reading failed"

I used these commands to read:
tektool -r NVRAM-original.bin -b 0x4000000 -l 0xA0000
tektool -r OLDFW-backup.bin -b 0x1000000 -l 0x300000

Any idea to resolve this problem ?

Thanks!
HighPrecision:
Problem solved relaxing GPIB interface timing.
DC1MC:
Hello all, maybe someone here could help me, could anybody provide a firmware version newer than 4.1 for a TDS724A ? My previous request got totally buried  |O.

Many thanks,
DC1MC
HighPrecision:
Hello,

I've found firmware v4.2.1e for my TDS744A, same oscilloscope with 4 input channels.
DC1MC:

--- Quote from: HighPrecision on September 24, 2021, 09:16:17 am ---Hello,

I've found firmware v4.2.1e for my TDS744A, same oscilloscope with 4 input channels.

--- End quote ---

I found it as well, the problem is that TDS724A is the strange animal with 2+2 channels and I don't know if it's compatible  :-//.

 
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