These readers have problems or serious limitations.

USB descriptor: readers/ACR122U_PICC.txt
Manufacturer URL: ACS ACR122U PICC Interface
Features: contactless
Time extension requests are not supported.
Firmwares version < 2.06 are bogus: APDU with 0x7B (123) bytes expected do not work with a 14443 card. The reader returns SW=63 00 instead.
ActivCard ActivCard USB Reader V2

USB descriptor: readers/ActivCardV2.txt
Manufacturer URL: ActivCard ActivCard USB Reader V2
The reader do timeout when a special USB frame is sent from the reader. If the frame size if a multiple of wMaxPacketSize the communication is stopped.
Some users report that this reader is in fact a SCR-331 with a different firmware and that you can upgrade its firmware to transform it into a (supported) SCR-331 reader.
Aladdin Token JC

USB descriptor: readers/Aladdin_eToken_PRO_USB_72K_Java.txt
Manufacturer URL: Aladdin Token JC
The token does not work after a warm reset. See http://www.opensc-project.org/pipermail/opensc-devel/2009-April/012128.html
Broadcom Corp 5880

USB descriptor: readers/Broadcom_5880.txt
found in Dell E6500 laptop
No communication to the device ("Resource temporarily unavailable" error)
The reader reports "Hardware error" to GetSlotStatus when no card is present.
C3PO LTC3x USB

USB descriptor: readers/LTC31.txt
Manufacturer URL: C3PO LTC3x USB
The reader works fine with Linux kernel 2.4 but does not with Linux kernel 2.6. The ioctl() syscall returns EINVAL (Invalid argument). This reader is not more sold and replaced by the LTC31v2 model.
KOBIL Systems mIDentity M

USB descriptor: readers/mIDentity.txt
Manufacturer URL: KOBIL Systems mIDentity M
Time requests are not managed correctly and make the firmware fails. This is not a problem unless you use a time-consuming APDU like RSA key generation.
A new firmware will correct the bug.
KOBIL Systems mIDentity XL

USB descriptor: readers/mIDentityXL.txt
Manufacturer URL: KOBIL Systems mIDentity XL
Time requests are not managed correctly and make the firmware fails. This is not a problem unless you use a time-consuming APDU like RSA key generation.
A new firmware will correct the bug.
OCS ID-One Cosmo Card USB Smart Chip Device

USB descriptor: readers/Oberthur-CosmoCard1.txt
Features: ICCD
the reader responds with bResponseType not defined in ICCD v1.0 specification. See http://archives.neohapsis.com/archives/dev/muscle/2009-q4/0059.html
Reiner-SCT cyberJack pinpad(a)

USB descriptor: readers/ReinerSCT.txt
Manufacturer URL: Reiner-SCT cyberJack pinpad(a)
Features: PIN Verification, PIN Modification
Time requests are not managed and the driver may time out without any response from the reader. This is not a problem unless you use a time-consuming APDU like RSA key generation.
Reiner provides a free software driver for this reader: http://support.reiner-sct.de/
SCM Microsystems Inc. SCL010 Contactless Reader

USB descriptor: readers/SCL010.txt
Manufacturer URL: SCM Microsystems Inc. SCL010 Contactless Reader
Features: contactless

USB descriptor: readers/iDream.txt
Manufacturer URL: THRC USB Smart Card Reader
also known as ID-SMID01 and maybe other commercial names
PPS fails with a Cryptoflex card
Powerup fails with a Setcos card
Todos AGM2 CCID

USB descriptor: readers/Todos_AGM2_CCID.txt
Manufacturer URL: Todos AGM2 CCID
The CCID descriptor is bogus: "Automatic IFSD exchange as first exchange (T=1)" is missing. You can't use a T=1 card with this reader.
Generated on Sat Dec 5 15:33:21 2009.