Subject: Re: help on choosing a SCSI card
To: None <joel@carnat.net>
From: Michael <macallan18@earthlink.net>
List: port-sparc64
Date: 05/06/2005 09:04:05
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Hello,

> Now that my U5 is up and working OK for 15 days (with 2.0.2), I wanted
> to swap the IDE disk to an SCSI one. I have two differents cards :
> - esiop0 at pci2 dev 1 function 0: Symbios Logic 53c875 (ultra-wide
> scsi)
> - isp0 at pci3 dev 4 function 0: QLogic 1020 Fast Wide SCSI HBA
>=20
> Both seem quite old and I just can't find docs about their specs,
> neither on Google, nor on docs.sun.com :( All I know is that the
> QLogic also has an ethernet port.

> So I would like to know which of the two cards has the quickest/better
> SCSI chip... Then I could decide if I use the HME on the SCSI/HME card
> or use the other SCSI card and plug an Ethernet Quad card.

You said your QLogic board is fast/wide, that gives 20MB/s for wide-SCSI
devices. The SymBIOS is ultra-wide which gives you 40MB/s. I'd go for
the SymBIOS card, it's bootable in the U5 even without specific
Sun-firmware.

have fun
Michael

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