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- Path: sparky!uunet!olivea!apple!apple!netcomsv!mork!wolfgang
- From: wolfgang@netcom.com (Wolfgang Henke)
- Newsgroups: comp.dcom.modems
- Subject: Re: Internal vs External modem peerformance
- Message-ID: <blfmvvk.wolfgang@netcom.com>
- Date: 22 Jul 92 08:49:15 GMT
- References: <+9dm#ah.harlan@netcom.com>
- Distribution: comp.dcom.modems
- Organization: Netcom
- Lines: 64
- X-Newsreader: Tin 1.1 PL4
-
- harlan@netcom.com (Harlan Lau) writes:
- : Is there any performance advantage for internal modems over
- : external versions of the same modem?
- :
- : Aren't external modems in some cases limited by the speed/type
- : of the uart on the serial line, which might not allow them utilize
- : their full potential.
-
- Yes, but make sure that the internal modem you are considering has the 16550
- on it, which again you can test with MSD.EXE. There are some like e.g. the
- Boca modem or the Intel, which will only report a 16450. I append some info
- about the modem I use (and quite a few other netcomers).
-
-
-
- Digicom Scout Plus V.32bis fax modem
-
- V.32bis, V.32, V.22bis, V.22, V.21, Bell 212A
- 14,400, 12,000, 9600, 7200, 4800, 2400, 1200
- data compression V.42bis and MNP 5
- error correction V.42 and MNP 2, 3 and 4 using LAPM
- Group 3 send/receive fax, Class 1 compliant, V.29, V.27ter, V.21
- Dosfax Lite, Winfax Lite and Qmodem software (registration paid)
- adaptive handshake, auto line monitor and retrain
- 5 year warranty
- 57,600 baud maximum DTE rate
- internal version has 16550 16 byte buffer
-
- internal: $299 List: $530
- external: $310 List: $545
-
- The Scout+ is based on the Analog Devices 2105 DSP chipset. It has
- two EPROMS: one with 128 kbytes and one with 64 kbytes.
-
- There are enough Scout Plus modems available so far that I can ship
- once I have received payment. This may change however. Please
- include 2nd day UPS shipping. Please send your cheque to:
-
- Wolfgang Henke, 774 Wildwood Lane, Palo Alto, CA 94303
- (415) 856-9037 voice
- (415) 328-7518 fax
- wolfgang@netcom.com
-
- International orders are welcome too. They will be shipped with a
- 220 Volt power supply with a three pronged US style plug for the
- external modem unless indicated otherwise. For Germany it will be
- shipped with a 240 Volt powersupply and a two pronged German plug.
- Please add airmail postage of $35 for Europe and $40 for Asia or
- Africa. Shipping is by US Postal service (Airmail). Please send
- only a cheque drawn on an US bank.
-
- Some background on Digicom: DSI is a leader in modem DSP design which
- allowed them the flexibility to introduce the first V.32bis modem
- with send and receive fax. Their V.32bis engine has won quite a few
- awards. A local silicon valley manufacturer.
-
-
-
-
-
-
- --
- _________________________________________________________________________
- Wolfgang Henke wolfgang@henke.sf-bay.org wolfgang@netcom.com
-