Sapp. RX580 PULSE 4GB, after restart miner only 3GB Mem visible & miner crashes

[gregfromo]

Hi,
I'm new here, hope somebody could help with this rather strange behaviour:

fresh install of win7x64, new RX580 4GB, drivers tested 17.4.3, 17.4.4, 17.5.2, 17.6.2

I install the drivers, fire up the miner, eth.claymore 9.5
It sees the card, with 4 GB, starts to mine @ 24,4
Then I quit, go to other folder with same config, only v9.6, srat, miner sees only 3 GB, crashes, go back to v.9.5 same crash
go to other folder with zec.xxx, same crash
Uninstall driver with DDU, reinstall, same crash.
only reinstall helps.

I'm clueless what this causes.. any hint's what I'm doing wrong??

[1715014724]

1715014724

[1715014724]

1715014724

[GaryH]

if v9.5 works then why change to v9.6?  are all your versions up to date and the latest?

add this to your .bat file before the miner line:

setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100

I'd also erase your v9.6 and download it again:  https://bitcointalk.org/index.php?topic=1433925.0