Laptop history & future

  05 04 03 02 01 (retired) 00 (retired) 99 (retired) 98(retired) 97 (retired) 96 (retired) 95 pilot (retired)
Model R/T??? changable color cover? R51
(1830BTU)		 R40
(~2681-K3U)		 A30
(~2652-43U)		 A21m
(~ 2628-GSU) 		A20m
(2628-WF1 ~3SU) 		390E 380XD 380D 365XD 360CE
CPU 2.0 GHz Pentium M, (90nm Dothan class, 533MHz FSB, 2M L2 HT, w/ EM64T?)
or
AMD Athon 64 Mobile?		 1.5 GHz Pentium M 2.2 GHz Pentium 4m
400 MHz FSB 		1.13GHz Pentium III-M
512KB L2 cache
133 MHz FSB
 		 800 MHz Pentium III, 256KB L2 cache, 100MHz FSB 500 MHz Celeron, 256KB L2 cache Pentium II mobile, 256KB L2 cache, Dixon class 333MHz Pentium II 233MHz Pentium 150MHz Pentium 100MHz 486 DX2-50/25 MHz
RAM 1 GB? 768MB 512MB 384MB 192MB So-DIMM SDRAM 128 MB 128MB 64MB 32MB 16MB 12MB
HD 120+ GB 5400rpm? 80 GB
4200rpm
IC25N080ATMR04-0 		40 GB
ATA-100 		30 GB
ATA-100 		20 GB 12 (11.2) GB 6.4GB,
S.M.A.R.T. EIDE ATA-4 		4GB 1.3GB 810MB 340MB
color/contrast 15" digital interface 16:9? 15"
1024x768		 15"
1024x768		 15" 200:1 contrast 1024x768 14.1" 15" 14" 100:1 contrast active matrix 24-bit 1024x768 24-bit 100:1 HPA 800x600 16-bit 30:1dual-scan passive 16-bit dual-scan passive 8-bit active matrix
graphics AGP 8x, DirectX 9, OpenGL 64/128M RAM? ATI Mobility Radeon 9000 32M
AGP 4x
S-video out 		ATI Mobility Radeon 7500 32M DDR SGRAM/SDRAM (350MHz Internal DAC) AGP 4x
S-video out 		ATI Mobility Radeon 16M RAM AGP 4x
S-video out 		ATI Mobility-M1 8 MB AGP 2x ATI Mobility-M1 8 MB VRAM AGP 2x NeoMagic MagicGraph256AV 256-bit AGP, 2.5MB VRAM, ZV, MPEG-1, S-Video out, 1280x1024 external monitor, dual screen support PCI, ZV, MPEG1 PCI, ZV PCI VL
Optical & others DL or BR DVD±RW/CD-RW dual mode 4x/8x UltraBay Something drive? DVD-RW/CD-RW 2x UltraBay Enhanced drive
Matshita DVD-RAM UJ-811		 CD-RW/DVD-ROM+ combo drive (24x 10x 24x 8x)

Matshita (KME) UJDA 740 or LG
Ultrabay Plus 		CD-RW/DVD-ROM+ combo drive (8x 8x 8x 24x)
Ultrabay Plus
 		 CD-RW 8x/4/24x CD ROM 10-24x removable DeviceBay/UltraBay FX 10-24x CD, optional DVD 10-24X 8X 4X none, 2X external
Others 2.5Gbps duplex
ExpressCard/34 and ExpressCard/54?		 132MBps PC Card No Floppy
No PS2
No serial
No DVI via port replicator
One Type II/III Cardbus (No ZoomVideo)
ThinkLight
UltraNav 		Ultrabay 2000 floppy
2 Type II./III CardBus
ThinkLight		 2 Type II/III CardBus
ThinkLight		 2 Type II/III CardBus (w/ ZV port)
ThinkLight		          
Audio 7.1 HDA? SoundMAX Integrated Digital Audio integrated microphone
SoundMAX Integrated Digital Audio 		      ESS Solo-1, 0.1W, Altec Lansing ® stereo speakers SoundBlaster Pro compatible, stereo speaker + subwoofer      
network 4x USB 2.0?
IEEE-1394a (4 & 6 pin) ?
1394b (800Mbps) FireWire?
BlueTooth 2.x? 		2x USB 2.0
4-pin IEEE-1394a
Intel PRO/1000 MT Ethernet
802.11a/b/g Tri-mode Wi-Fi wireless (Philips)		 2x USB 2.0
4 pin TI OHCI IEEE-1394a FireWire
built-in Intel PRO/100 VE Ethernet
4Mbps IrDA 		USB 1.1
built-in 10/100 Ethernet
4Mbps IrDA 		USB 1.1
built-in 10/100 Ethernet
4Mbps IrDA 		USB 1.1
built-in 10/100 Ethernet
4Mbps IrDA		 100Mbps 32-bit Cardbus,USB, 4Mbps IrDA. Press-to-Select TrackPoint 100Mbps 32-bit Cardbus,USB, 4Mbps IrDA. 10Mbps 16-bit PC Card, 4Mbps IrDA 10Mbps 16-bit PCMCIA Card, 115Kbps IrDA, 1Mbps AMP wireless 10Mbps 16-bit PCMCIA Card, 2Mbps IBM wireless
modem v. 92 IBM Integrated 56K
CXT - Conexant Systems Inc.'s HSF (softmodem) 		56Kbps v. 92 Agere Systems AC'97 v. 92 v. 90 v. 90 56Kbps V90 56Kbps V90 XJack 33.6/28.8 Kbps 14.4 Kbps 14.4 Kbps
OS XP-sp2 Professional XP-sp1a Professional XP-sp1a Professional XP Professional 98SE 98SE 98 95b (OSR2.1) 95b (OSR 2) 95a 95/WfWg 3.11
Weight < 6.0 lbs 6.6 lbs 6.6 lb. 7.4 lb. 6.7 lb. 6.9 lb 7.7 lbs 7.2 lbs      
Battery Li-Ion/Polymer 5+ hours Li-Ion Li-ion Li-ion Li-ion Li-ion Li-Ion 3.8 hours Li-Ion NiMH? NiCad? NiCad?
  in MCC form-factor??? Not really a A20, look the same as A21m
Image Credits