Path: utzoo!attcan!uunet!samsung!usc!zaphod.mps.ohio-state.edu!wuarchive!texbell!merch!cpe!adaptex!neese
From: neese@adaptex.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: Adaptec AHA-1640
Message-ID: <25100004@adaptex>
Date: 19 Mar 90 19:46:00 GMT
References: <312@iss-rb.SanDiego.NCR.COM>
Lines: 41
Nf-ID: #R:iss-rb.SanDiego.NCR.COM:312:adaptex:25100004:000:1090
Nf-From: adaptex.UUCP!neese    Mar 19 13:46:00 1990


>	Can someone provide me some technical information about the
>Adaptec AHA-1640 Microchannel SCSI adapter ?
>
>The information I would like to obtain is :
>- What processor/controller, if any, does this board use ?

It is a 20Mhz 16Bit NS-HPC processor.

>- Does it have any on board RAM, if yes, how much ?

Only a small data buffer.

>- Does this board use the parity bits on the Microchannel bus ?

Yes.

>- Does this board use the parity bit on the SCSI bus ?

Yes (Optional, set or uset by the user)

>- How many SCSI channel does it provide ?

Uh, I assume you mean SCSI devices.  Up to the max SCSI allows (56).  The BIOS
supports only 2 HD's as that is what the spec allows for the BIOS.

>- Am I correct that the transfer rate for this board is:
>	MCA         SCSI async        SCSI sync
>        8MB/s       5MB/s             2MB/s

Yes.

>- What is the average cost of the board.

TBD (To be determined)

			Roy Neese
			Adaptec Central Field Applications Engineer
			UUCP @ {texbell,attctc}!cpe!adaptex!neese
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