Ah, the trusty Challenge S.

bash-2.04$ uname -a
IRIX thumper 6.2 03131015 IP22

bash-2.04$ hinv
1 133 MHZ IP22 Processor
FPU: MIPS R4600 Floating Point Coprocessor Revision: 2.0
CPU: MIPS R4600 Processor Chip Revision: 2.0
On-board serial ports: 2
On-board bi-directional parallel port
Data cache size: 16 Kbytes
Instruction cache size: 16 Kbytes
Main memory size: 64 Mbytes
Integral ISDN: Basic Rate Interface unit 0, revision 1.0
Integral Ethernet: ec3, version 1
Integral Ethernet: ec0, version 1
Integral SCSI controller 5: Version WD33C95A, differential, revision 0
Integral SCSI controller 4: Version WD33C95A, differential, revision 0
Integral SCSI controller 0: Version WD33C93B, revision D
CDROM: unit 6 on SCSI controller 0
Tape drive: unit 5 on SCSI controller 0: unknown
Disk drive: unit 1 on SCSI controller 0

bash-2.04$ uptime
12:03am up 1075 days, 3:06, 1 user