Re: Sorta spruced up the 85-X
- From: "David L. Beem" <David@xxxxxxxxxxx>
- Date: Thu, 13 Jul 2006 12:33:54 -0600
Hi Louis,
http://www.gilanet.com/ohlandl/9585/9585_SX_Planar.html#Onboard_SCSI
[you could add the indexed links that are in the HTML code at the top of the
page]
"From Peter Wendt: ...The SCSI microcode however is part of the machine BIOS
stored in a single small 16-bit PLCC Eprom if I remember correctly. There is
a part of the SCSI code also included in the IML."
As http://www.ibmmuseum.com/Projects/SCSILEVL/ shows, the 9585 'X' SCSI
microcode is specifically held in U51 (not contradicting Peter at all, but
actually confirming his memory is correct & enhancing the statement). The
25h/37d microcode level is pretty standard for a few different IBM SCSI
adapters & planars (and the same FRU-numbered EPROM is also used on the
Bermuda planar). Conceivably it could be upgraded to a 26h/38d level with a
burner & soldering skills (at what benefit is unknown).
Although the newer BIOS image (for lack of a better term) wouldn't
update the SCSI microcode, it may change the "ROM BIOS Extension" SCSI code
to give larger harddrive support. What is the difference between the two?
Does the splash screen or anything in the system setup change?
David
David@xxxxxxxxxxxxx
.
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