Here you go. It gets pretty detailed. I've used this command recently to get a chassis serial #. Very useful command, should not forget it so easily. Thanks.
CAT4506SUP4#sh idprom interface gigabitEthernet 1/1 GBIC Serial EEPROM Contents: Common Block: Identifier = GBIC [0x1] Extended Id = GBIC is compliant with MOD_DEF 7 [0x7] Connector = SC connector [0x1] Transceiver Speed = Not available [0x0] Media = Not available [0x0] Technology = Not available [0x0] Link Length = Not available [0x0] GE Comp Codes = 1000BASE-SX [0x1] SONET Comp Codes = Not available [0x0] Encoding = 8B10B [0x1] BR, Nominal = 1300000000 MHz Length(9u) in km = GBIC does not support single mode fibre, or the length must be determined from the transceiver technology. Length(9u) = GBIC does not support single mode fibre, or the length must be determined from the transceiver technology. Length(50u) = 500 m Length(62.5u) = 220 m Length(Copper) = GBIC does not support copper cables, or the length must be determined from the transceiver technology. Vendor name = AGILENT Vendor OUI = 0 Vendor Part No. = HFBR-5601 Vendor Part Rev. = 0000 Wavelength = Not available CC_BASE = 0x3F
Extended ID Fields Options = Loss of Signal implemented TX_FAULT signal implemented TX_DISABLE is implemented and disables the serial output [0x1A] BR, max = Unspecified BR, min = Unspecified Vendor Serial No. = 0V6032928061 Date code = 030716 Diag monitoring = Not implemented Rx pwr measuremnt = Optical Modulation Amplitude (OMA) Address change = Not required CC_EXT = 0x96
Vendor Specific ID Fields:
20B6CD40 2D 35 2E 37 34 30 31 31 2E 34 34 34 30 2E 30 30
-5.74011.4440.00
20B6CD50 30 30 2D 31 38 00 00 00 0C 00 00 00 00 00 D9 00
00-18.........Y.
SEEPROM contents (hex) size 128:
0x0000 01 07 01 00 00 00 01 00 00 00 00 01 0D 00 00 00 ................
0x0010 32 16 00 00 41 47 49 4C 45 4E 54 20 20 20 20 20 2...AGILENT
0x0020 20 20 20 20 00 00 00 00 48 46 42 52 2D 35 36 30 ....HFBR-560
0x0030 31 20 20 20 20 20 20 20 30 30 30 30 00 00 00 3F 1
0000...?
0x0040 00 1A 00 00 30 56 36 30 33 32 39 32 38 30 36 31 ....0V6032928061
0x0050 20 20 20 20 30 33 30 37 31 36 20 20 00 00 00 96 030716 ...^V
0x0060 2D 35 2E 37 34 30 31 31 2E 34 34 34 30 2E 30 30
-5.74011.4440.00
0x0070 30 30 2D 31 38 00 00 00 0C 00 00 00 00 00 D9 00
00-18.........Y.