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KINGWIN Model RS232 5 ft. USB (M) to RS232 (M) Serial Converter M-M
  • neweggOwned For: 1 week to 1 month

5 out of 5 eggs Prolific driver problem 07/08/2013

This review is from: KINGWIN Model RS232 5 ft. USB (M) to RS232 (M) Serial Converter M-M

Pros: Cheap

Cons: Possible Prolific Driver issue

Other Thoughts: It looks like the latest Prolific PL2303 driver v1.8.0 has a problem. Prolific does this quite often but fixes it in the next release.

THE REAL PROBLEM is that Microsoft has this version on Windows Update. You must uninstall it, reboot and install a v1.7.x driver, then plug in the converter.

BYTECC Model BT-DB925 6 FT USB to DB9 Serial Adapter, provides the connection between USB and RS-232 port M-M
  • Verified Owner
  • neweggOwned For: 1 month to 1 year

Pros: "Used" to be a good cable.

Cons: Now using a counterfit Prolific chip that does NOT work!

Buyer beware.

Other Thoughts: Oh no !!! Another "reliable" USB-serial cable bites the dust. Installing any driver with this cable now reports "This device cannot start. (Code 10)" error in Device Manager.

From Prolific:

Warning Notice:
Please be warned that counterfeit (fake) PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific's trademark logo, brandname, and device drivers, were being sold in the China market. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues (Yellow Mark Error Code 10 in Device Manager). We issue this warning to all our customers and consumers to avoid confusion and false purchase.

This not the first cable on NewEgg that this has happened to: N82E16812156009


SABRENT Model SBT-USC6M 6 ft. USB to Serial (9-pin) DB-9 RS-232 Adapter Cable
  • Verified Owner
  • neweggOwned For: more than 1 year

1 out of 5 eggs Newest batch not working. 04/19/2011

This review is from: SABRENT Model SBT-USC6M 6 ft. USB to Serial (9-pin) DB-9 RS-232 Adapter Cable

Pros: Price
Works great in all versions of Windows.
Used >50 of these over the years with great success.

Cons: The latest batch of these are not working. Driver initialization failure.

The packaging has changed with this new batch.

Old or new drivers don't seem to matter.
Same problem on XP and 7.

Other Thoughts: Uses the Prolific PL-2303 drivers

Note: Drivers are on the Mini-CD "hidden" in the folded cardboard cover.


Jack L.'s Profile

Display Name: Jack L.

Date Joined: 02/25/11

  • Reviews: 3
  • Helpfulness: 0
  • First Review: 04/19/11
  • Last Review: 07/08/13
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