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- Newsgroups: comp.sys.sun.hardware
- Path: sparky!uunet!elroy.jpl.nasa.gov!earle
- From: earle@elroy.jpl.nasa.gov (Greg Earle - Gainfully Unemployed)
- Subject: Re: SPARCstation IPC 4 Mb SIMMs - what kind are they?
- Message-ID: <1992Dec30.211442.6142@elroy.jpl.nasa.gov>
- Followup-To: poster
- Keywords: IPC
- Sender: isolar!earle@elroy.JPL.NASA.GOV
- Reply-To: isolar!earle@elroy.JPL.NASA.GOV
- Organization: Gainfully unemployed
- References: <1992Dec29.101204.12723@elroy.jpl.nasa.gov>
- Date: Wed, 30 Dec 1992 21:14:42 GMT
- Lines: 55
-
- In article <1992Dec29.101204.12723@elroy.jpl.nasa.gov> I wrote:
- >If I want to get some 4 Mbyte SIMMs for my SPARCstation-1 clone which has a
- >motherboard that is seemingly much like an IPC's, what kind do I have to get?
- >
- >Specifically, are they
- >
- >- 4x9? (I assume so; as opposed to 4x8)
- >- 70ns? (Faster, same speed or slower?)
- >- 36 pin? (Or 32 pin or ?? pin?)
- >- 9 chip or 3? (I assume 9 chip)
-
- Thanks to Jim Thompson et al. who pointed out that they are Mitsubishi SIMMs.
- They're 4Mbx9, 80 ns, 30 pin, 9 chip SIMMs.
-
- Let me followup my own article with another question: in "Computer Shopper", I
- see an ad from Worldwide Technologies in Philadelphia. On one page is a line
- that says
-
- SIMM-SIPP MODULES
-
- 4MB X 9-80NS SIMM-PC $108
- 4MB X 9-70NS SIMM $110
- 4MB X 9-60NS SIMM $118
- ...
-
- (Not sure why the first line says "SIMM-PC" and the others don't?) From what
- I've been told, it seems like the SIMMs on the first line would work fine.
-
- OK, so why then do they have an ad on the opposite page that says
-
- SPARCstation IPC
- 4MB kit X104Y $164
- 16MB kit X116Y $608
- ...
- SPARCstation 1, 3/60, 3/80, 4/40, 4/60, 4/65
- 4MB kit X104C,G,H,Y $164
- 16MB kit X116H,Y,W $608
-
- So I can buy 4 generic "4MB X 9-80NS SIMM-PC" modules for $432, or get taken to
- the cleaners for another $176 the other way! Are they blowing smoke here?!?
-
- On the other note:
-
- >Another question; this motherboard supplies two serial ports via 8-pin DIN
- >connectors instead of standard 25-pin DB connectors. I bought a cable at a
- >Mac dealer that has the right connectors, i.e. male DIN to male DB-25, and it
- >purports to "support hardware flow control", but when I hook it up to my
- >Telebit, the WorldBlazer never sees DTR.
-
- Several people told me that pin 1 on the mini-DIN puts out DTR. Now if I
- could figure out for the life of me why this pin doesn't seem to be connected
- to pin 20 on the DB-25 end ... *sigh*
-
- Thanks to everyone who responded.
-
-