The UltraSPARC IV `` Jaguar '' and follow-up UltraSPARC IV + `` Panther '' are microprocessors designed by Sun Microsystems and manufactured by Texas Instruments .
The UltraSPARC IV `` Jaguar '' and follow-up UltraSPARC IV + `` Panther '' are microprocessors designed by Texas Instruments and manufactured by Sun Microsystems .