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It appears that more people are using NT on their 701 than I thought. Just a remark. But I also run NT Server 4.0 on my 701C with 40MB (8+32) of memory. I notice that PCMCIA cards are temperamental in NT. The interrupt that a card uses is determined by NT's PCMCIA driver (I think) at boot time and can't be changed. For example, I have an IBM Token Ring Auto 4/16 PCMCIA and it would change from Int 5 to Int 10 depending what other card I have and which slot the token ring card is in. So my driver would sometimes not load if I switch the slot or change a card. In your case, I would boot NT with the modem in, and check in the Control Panel/PCMCIA and find out what interrupt and etc it uses then install the driver for the modem with that setting (if it needs a driver). And if it doesn't have a driver, try to disable one of the serial ports in BIOS setup (COM1 or COM2) and see if that helps. I don't know exactly how NT will make the card a serial port but I know that the PCMCIA driver will not use Int 3 or 4 if the built-in comm ports are on. Regarding improvement in performance with the memory, in my case, it improved the responsiveness dramatically from 24MB. Overall the system is faster too if the application is more memory dependant than processor dependant. I would recommend the upgrade. I do have a 1.44GB IBM drive instead of the factory 540MB which could also affect the performance a little. But I think the CPU needs to upgraded before the 701C can be an ideal mobile workstation. 486-75 is just not enough for CPU intensive apps. I've looked into the AMD 586-133 upgrade(about $400) but haven't heard any good news from any users (I don't trust ads). Btw, my 32MB module cost me about $300 I think. Eddy Lin -----Original Message----- From: rj [SMTP:rj@cais.com] Sent: Tuesday, July 15, 1997 3:18 PM To: ThinkPad List Subject: TP 701 Memory & Modem Difficulties I just installed a 32MB memory module into my 701, which means I can use the 16MB module as a tooth pick or sell it. It's a IBM P/N:92G7263, 16MB 70ns 3.3V Non-parity. I've been using it for about one year with out difficulties and it has about two of the three years lefton the warranty. Any one interested send email to rj@cais.com with a reasonable offer and we'll work out the details. Now for the modem part of the post. I just got a Hayes Accura 56K PC Card modem and I can not get it to work worth a darn. I called Hays and and they said they don't support NT 4.0. However, many of their customers are running NT and some portion of this group got the modem functioning, or so they said! But they wouldn't discuss it because they don't support NT. Wird! And yes I know its not a wird as running NT on a 701 (which BTW was the reason for the memory upgrade, and it has helped). Has anyone on the list any ideas on how to get this modem to work correctly? Thanks in advance!