Upgraded BPPC 040 to 060. Just one minor issue...

[Boot_WB]

@Piru

>At least WhichAmiga reads the 68060 processor configuration register directly (PCR). Full 68060 and 68LC060/68EC060 have different bit patterns there.

Is the same also true for the MMU detection?

It seems strange that both chips would be marked EC version, but actually belong to full 060 family.  I ahve heard of full 060s marked as ECs, but not LCs marked as ECs.
They are also from different mask sets (75G59Y and Q2G59Y).

I`d like to be sure the chip is the issue rather than the accelerator before trying to return the CPU for exchange.

PS have looked at checkMMU, but it only seems built for 030 and 040 processors.  If it works on 060s aswelll I`ll give it a try.

[Boot_WB]

Tried checkMMU anyway, and it returned nu MMU - methinks probably not set up to handle 06 MMU detection.

Tried also cpu060 and got the following output:

 System: 68060LC Mask ? Revision 4
 Settings:
 (INST: 1/2 Cache Burst)
 (DATA: Cache Burst)
 (BRANCH: Cache)
 (Superscalar)
 (WriteBuffer)
 (Store/Load Bypass)

 Register:
  CACR=$A080A000
   PCR=$04310403
 BUSCR=$00000000

A bit worried about it not detecting the mask number.  Any ideas folks?

Furthermore:

SYSinfo crashes when doing a speed test
AIBB crashes when evaluating system.

I have the latest flashrom installed (30/03/99) on the PPC, and am currently using powerup kernel (although same happens with Warpup).

Starting to get worried.... :-?

[PaSha]

Boot_WB wrote:

It seems strange that both chips would be marked EC version, but actually belong to full 060 family.  I ahve heard of full 060s marked as ECs, but not LCs marked as ECs.
They are also from different mask sets (75G59Y and Q2G59Y).

Have a look at http://www.czuba-tech.com/CT60/060_mask40.pdf
the G59Y mask is EC/LC only.
Earlier ECs and LCs were made from the same mask as the full 060s (ie F43G), and were full 060s that were either simply relabelled, or had failed some MMU/FPU tests (but most still had more or less working FPUs/MMUs

I`d like to be sure the chip is the issue rather than the accelerator before trying to return the CPU for exchange.

If you bought these as full 68060s, then you've been ripped off. In that case, return them and get your money back (or at the very least a full 68060)

-Paul

[Boot_WB]

Thanks Paul, that`s just what I needed!!

I was starting to think I`d damaged my BPPC in some bizarre fpu-damaging way.

I`ll look into exchanging my 060 straight away.

Phewww!!!  Big sigh of relief!!

[patrik]

@Boot_WB:

Guru Meditation sells full 68060s (both MMU and FPU) to good prices.


/Patrik

[Boot_WB]

@Piru

Thanks for the info - am certain now that it is the chip, not the board which is at fault.

cpu060 returns PCR value of04310403 (in hex - the first 16 bits in binary translates to 0000010000110001).  If it was a board issue there would be no reason for the cpu to return a PCR value stating it is an LC.  It should have returned 04300101 (translates to 0000010000110000).  I am returning the chip for replacement/refund (hopefully replacement).

:-)

[Boot_WB]

In fairness to this thread & Amigakit.com I must point out that it was myself at fault - I did not read the description of the item properly when buying from Amigakit. It was entitled 68060, but the description stated it was an EC version without FPU.

Despite this Amigakit.com has offered to replace the CPU for a same-priced 50MHz full 060.

You just can't fault them - they are the best!

Am also greatly relieved it was not my soldering at fault :-)