HLDS GCC-4482 CD-RW/DVD combo drive hangs if eject button is pressed within 1 or 2 seconds of completing an Easy Write format or the BIOS does not recognize a slave when HLDS GCC-4482 is the master.

Any of the following ThinkCentre systems running Microsoft Windows XP or 2000 Professional configured with a HLDS CD-RW/DVD-ROM combo drive, model GCC-4482, with firmware 1.00:

• ThinkCentre A30 (type 2296, 8191, 8198, 8199, 8316, 8434)
• ThinkCentre A50 (type 8084, 8085, 8126, 8147, 8148, 8149, 8174, 8175, 8176, 8177, 8178, 8320, 8419)
• ThinkCentre A50p (type 8192, 8193, 8194, 8195, 8196, 8197, 8432, 8433)
• ThinkCentre A51 (type 8122, 8123, 8124, 8129, 8131, 8132, 8133, 8134, 8135, 8136, 8137, 8138, 8424, 8425, 9212)
• ThinkCentre A51p (type 8420, 8421, 8422, 8423, 8426, 8427)
• ThinkCentre M50 (type 8128, 8185, 8186, 8187, 8188, 8189, 8190, 8413, 8414, 8415)
• ThinkCentre M50e (type 8179)
• ThinkCentre M51 (type 8141, 8142, 8143, 8144, 8145, 8146)
• ThinkCentre S50 (type 8092, 8183, 8184, 8416, 8417, 8418)
• ThinkCentre S51 (type 8171, 8172, 8173)
• ThinkCentre A52 (type 8153, 8154, 8155, 8156, 8157, 8158, 8159, 8160, 8161, 8162, 8163, 8164, 8165, 8166, 8167, 8169, 8170)
• ThinkCentre M52 (type 8099, 8110, 8112, 8113, 8114, 8116, 8215, 9210, 9211)

Download the firmware 1.01 package located at the URL below; file name pz2z35usa.exe .

http://www.lenovo.com/think/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-60697

1. Double-click on the ibm4482B_win.exe file.
2. Select "Browse" and then select the JC6ib101.bin file.
3. Click "Upgrade".
4. When prompted to close other applications, do so and click "OK".
5. When the upgrade is complete, click "OK".
6. When asked to restart the system, click "Yes". The firmware upgrade will take effect after the system restarts.