IBM ThinkPad A-Series Specification, Comparison Table

Refurbished Laptops > IBM > ThinkPad A-Series > Specifications Table
Main A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
Processor Intel Cel. 500MHz - 550MHz or
Intel PIII Mob. 500MHz or
Intel PIII Mob. 600MHz - 700MHz (SpeedStep) 		Intel PIII Mob. 700MHz - 750MHz (SpeedStep) Intel Cel. Mob. 600MHz - 700MHz Intel PIII Mob. 700MHz - 800MHz (SpeedStep) Intel PIII Mob. 850MHz (SpeedStep) Intel Cel. Mob. 800MHz or
Intel PIII Mob. 850MHz - 900MHz (SpeedStep)		 Intel PIII Mob. 800MHz - 1GHz (SpeedStep) Intel PIII Mob. 1GHz (SpeedStep) Intel PIII Mob. 933MHz - 1.13GHz (SpeedStep) Intel PIII Mob. 1.2GHz (SpeedStep) Intel PIV Mob. 1.6GHz - 2.0GHz (SpeedStep) Intel PIV Mob. 1.7GHz - 1.8GHz (SpeedStep)
L2 Cache Celeron: 128kb
PIII: 256kb 		256kb 128kb 256kb 256kb Celeron: 128kb
PIII: 256kb 		256kb 256kb 512kb 512kb 512kb 512kb
FSB 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 100MHz 133MHz 133MHz 400MHz 400MHz
Chipset Intel 440BX Intel 440BX Intel 440MX-100 Intel 440BX Intel 440BX Intel 440MX-100 for Celeron systems
Intel 440BX for PIII systems		 Intel 440BX Intel 440BX Intel 830M Intel 830M Intel i845MP Intel i845MP
Standard RAM Size 64MB or 128MB 128MB 64MB 64MB or 128MB 128MB 64MB 64MB or 128MB 128MB 128MB 128MB 128MB or 256MB 256MB
Maximum RAM Size 512MB 512MB 256MB 512MB 512MB 256MB for Celeron systems
512MB for PIII systems 		512MB 512MB 1GB 1GB 1GB 1GB
Memory Slots 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM 2 x SO-DIMM
Memory Type PC100 SDRAM PC100 SDRAM PC100 SDRAM PC100 SDRAM PC100 SDRAM PC100 SDRAM PC100 SDRAM PC100 SDRAM PC133 SDRAM PC133 SDRAM PC2100 DDR-SDRAM at 266MHz PC2100 DDR-SDRAM at 266MHz
Bus Architecture AGP AGP PCI AGP AGP PCI AGP AGP AGP AGP AGP AGP
HDD Controller Ultra-ATA/66 Ultra-ATA/66 Ultra-ATA/33 Ultra-ATA/66 Ultra-ATA/66 Ultra-ATA/33 for Celeron systems
Ultra-ATA/66 for PIII systems		 Ultra-ATA/66 Ultra-ATA/66 Ultra-ATA/100 Ultra-ATA/100 Ultra-ATA/100 Ultra-ATA/100
Drives A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
Standard HDD 6GB or 12GB 20GB 10GB, 15GB, 20GB or 30GB 10GB or 20GB 32GB 10GB, 15GB, 20GB or 30GB 10GB, 20GB or 30GB 32GB 20GB or 30GB 48GB 30GB or 40GB 60GB
Standard Optical Drive 10-24x CD-ROM in Ultrabay 2000 6x DVD-ROM in Ultrabay 2000 CD-ROM in Ultrabay 2000 CD-ROM or DVD-ROM in Ultrabay 2000 8x DVD-ROM in Ultrabay 2000 CD-ROM in Ultrabay 2000 CD-ROM or DVD-ROM in Ultrabay 2000 CD-RW in Ultrabay 2000 CD-ROM in Ultrabay 2000 DVD/CD-RW Combo in Ultrabay 2000 CD-ROM, DVD-ROM or DVD/CD-RW Combo in Ultrabay 2000 DVD/CD-RW Combo in Ultrabay 2000
FDD Integrated Integrated Integrated (only in 2628 models) Integrated Integrated no Integrated Integrated no no In Ultrabay 2000 Plus (on some models only) In Ultrabay 2000 Plus (on some models only)
Optional Drives Mounted in Ultrabay 2000:
6x DVD-ROM		 Mounted in Ultrabay 2000:
10-24x CD-ROM		 Mounted in Ultrabay 2000:
DVD-ROM
CD-RW
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
CD-RW
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
CD-ROM
CD-RW
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
DVD-ROM
CD-RW
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
CD-RW
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
CD-ROM
8x DVD-ROM
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
DVD-ROM
CD-RW
DVD/CD-RW Combo
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
CD-ROM
DVD-ROM
CD-RW
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
LS-120
ZIP-250
Second HDD		 Mounted in Ultrabay 2000:
CD-ROM
DVD-ROM
LS-120
ZIP-250
Second HDD
Display A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
LCD Type TFT 12", 14.1" or 15" TFT 15" 2628 models: TFT 12.1", 14.1" or 15"
2655 models: TFT 12.1", 13.3" or 14.1"		 TFT 12.1", 14.1" or 15" TFT 15" TFT 13.3" or 14.1" TFT 12.1", 14.1" or 15" TFT 15" TFT 14.1" or 15" TFT 15" TFT 15" TFT 15"
Maximum Resolution 12.1": 800 x 600 x 16M
14.1" and 15": 1024 x 768 x 16M		 1400 x 1050 x 16M 12.1": 800 x 600 x 16M
13.3", 14.1" and 15": 1024 x 768 x 16M		 12.1": 800 x 600 x 16M
14.1" and 15": 1024 x 768 x 16M		 1600 x 1200 x 16M Celeron: 1024 x 768 x 16M
PIII: 1024 x 768 x 16M +
1600 x 1200 x 16M (panned on LCD)		 12.1": 800 x 600 x 16M
14.1": 1024 x 768 x 16M
15": 1024 x 768 x 16M or
1400 x 1050 x 16M (depending on model)		 1600 x 1200 x 16M 1024 x 768 x 16M
2652-3xx (15"): 1400 x 1050 x 16M		 1600 x 1200 x 16M 1024 x 768 x 16M or
1400 x 1050 x 16M (depending on model)		 1600 x 1200 x 16M
Graphics Card ATI Rage Mobility-M AGP
2628-1xx/2xx: 4MB SGRAM
2628-3xx/4xx: 8MB SGRAM		 ATI Rage Mobility 128 AGP 2x with 8MB or 16MB SGRAM ATI Rage Mobility-M PCI 4MB ATI Rage Mobility-M 4MB ATI Rage Mobility 128 AGP 2x with 8MB or 16MB SGRAM Celeron: 4MB
PIII: 8MB		 ATI Rage Mobility-M3 AGP 2x
2628-Qxx,Rxx,Pxx: 4MB SGRAM
2628-Sxx,Vxx,Txx: 8MB SGRAM		 ATI Rage Mobility 128 AGP 2x with 8MB or 16MB SGRAM ATI Mobility Radeon 16MB VRAM ATI Mobility Radeon 32MB VRAM ATI Mobility Radeon 7500 AGP 4x 32MB DDR-SDRAM ATI Mobility FIREGL 7800 AGP 4x 64MB DDR-SDRAM
Maximum External Resolution 4MB: 1600 x 1200 x 256 at 75Hz
8MB: 1600 x 1200 x 16M at 75Hz		 1600 x 1200 x 16M at 75Hz 1600 x 1200 x 64k at 75Hz 4MB: 1600 x 1200 x 64k at 75Hz
8MB: 1600 x 1200 x 16M at 75Hz		 1600 x 1200 x 16M at 75Hz 1600 x 1200 4MB: 1600 x 1200 x 64k at 75Hz
8MB: 1600 x 1200 x 16M at 75Hz		 1600 x 1200 x 16M at 75Hz 2048 x 1536 x 64k at 60Hz
1600 x 1200 x 16M at 85Hz		 2048 x 1536 x 16M at 85Hz 1600 x 1200 x 16M at 85Hz 2048 x 1536 x 16M at 75Hz
Networking A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
Modem V90 56.6kbps V90 56.6kbps V90 56.6kbps V90 56.6kbps V90 56.6kbps V90 56.6kbps V90 56.6kbps V90 56.6kbps V90 56.6kbps (depending on configuration) V90 56.6kbps (depending on configuration) V90 56.6kbps on mini-PCI (combo with 802.11b wireless LAN) or on Daughter Card - depending on configuration V90 56.6kbps on mini-PCI (combo with 802.11b wireless LAN) or on Daughter Card - depending on configuration
LAN 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet (depending on configuration) 10/100Mb/s Ethernet on Daughter Card - depending on configuration 10/100Mb/s Ethernet on Daughter Card - depending on configuration
Wireless LAN no no no no no no no no mini-PCI 802.11b (depending on configuration) mini-PCI 802.11b (depending on configuration) mini-PCI 802.11b (combo with modem) - depending on configuration mini-PCI 802.11b (combo with modem) - depending on configuration
Bluetooth no no no no no no no no no no no optional as Daughter Card
Expansion, Ports A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
PC Card Two Type-I/II or one Type-III. CardBus and ZV support. Two Type-I/II or one Type-III. CardBus and ZV support. One Type-I,II or III. CardBus support. Two Type-I/II or one Type-III. CardBus and ZV support. Two Type-I/II or one Type-III. CardBus and ZV support. Celeron systems: One Type I,II or III.
PIII systems: Two Type-I/II or one Type-III.
CardBus support.		 Two Type-I/II or one Type-III. CardBus and ZV support. Two Type-I/II or one Type-III. CardBus and ZV support. Two Type-I/II or one Type-III. CardBus and ZV support. Two Type-I/II or one Type-III. CardBus and ZV support. Two Type-I/II or one Type-III. CardBus and ZV support. Two Type-I/II or one Type-III. CardBus and ZV support.
USB One USB 1.1 Two USB 1.1, one as UltraPort One USB 1.1 One USB 1.1 Two USB 1.1, one as UltraPort One USB 1.1 One USB 1.1 Two USB 1.1, one as UltraPort Two USB 1.1 Two USB 1.1 Two USB 1.1 Three USB 1.1, one as UltraPort
IrDA IrDA 1.1 4Mbps IrDA 1.1 4Mbps no IrDA 1.1 4Mbps IrDA 1.1 4Mbps no IrDA 1.1 4Mbps IrDA 1.1 4Mbps IrDA 1.1 4Mbps IrDA 1.1 4Mbps IrDA 1.1 4Mbps IrDA 1.1 4Mbps
Parallel yes yes yes yes yes yes yes yes yes yes yes yes
Serial RS232 yes yes yes yes yes yes yes yes yes yes yes yes
PS/2 yes yes yes yes yes yes yes yes yes yes no no
VGA yes yes yes yes yes yes yes yes yes yes yes yes
FireWire/IEEE-1394 no no no no no no no no yes yes no depending on model
Port Replicator, Docking Connector yes yes yes yes yes yes yes yes yes yes yes yes
Video-Out no S-Video S-Video in 2628-Sxx models S-Video in 2628-Fxx, Gxx, Sxx models S-Video no S-Video in 2628-Fxx, Gxx, Sxx, Txx and 2629 models S-Video in 2629 models S-Video S-Video S-Video S-Video
Video-In no S-Video no no S-Video no S-Video in 2629 models S-Video in 2629 models no no no S-Video
Battery A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
Battery Type Li-Ion 3600mAh Li-Ion 3600mAh or
Li-Ion 5400mAh		 NiMH 4500mAh or
Li-Ion 3200mAh		 Li-Ion 3200mAh Li-Ion 3200mAh NiMH 4500mAh or
Li-Ion 3600mAh		 Li-Ion 3200mAh Li-Ion 3600mAh Li-Ion 3200mAh Li-Ion 3600mAh Li-Ion Li-Ion
Battery Life 3.5 hours 4 hours 3.5 hours 4.5 hours 3.2 hours 2.5 hours 2 - 2.5 hours 2 - 2.5 hours
Second Battery optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000 optional in Ultrabay 2000
Physical Features A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
Width 12" and 14.1": 12.7" (317 mm)
15": 13.1" (329 mm)		 13.2" (327 mm) 2628 600MHz models: 12.7" (317 mm)
2628 700MHz models: 12.95" (323 mm)
2655 models: 12" (305 mm)		 12.7" (317 mm) 12.7" (317 mm) 12" (304.8 mm) Qxx and Txx models: 12.5" (312 mm)
Sxx, Pxx and Rxx models: 12.9" (322 mm)		 12.9" (322 mm) 13" (329 mm) 13" (329 mm) 13" (329 mm) 13" (329 mm)
Depth 10.7" (267.5 mm) 10.7" (267.5 mm) 2628 600MHz models: 10.7" (267.5 mm)
2628 700MHz models: 10.5" (262 mm)
2655 models: 10" (254 mm)		 10.7" (267.5 mm) 10.7" (267.5 mm) 10" (254 mm) 10.5" (262 mm) 10.5" (262 mm) 10.7" (272.5 mm) 10.7" (272.5 mm) 10.7" (272.5 mm) 10.7" (272.5 mm)
Height 12" and 14.1" models: 1.47" (36.7 mm) in front and 1.73" (43.3 mm) in rear
15" models: 1.5" (38.1 mm) in front and 1.73" (44.3 mm) in rear		 1.5" (38.1 mm) in front and 1.79" (44.7 mm) in rear 2628 models: 1.47" (36.7 mm) in front and 1.73" (43.3 mm) in rear
2655 models: 1.4" (35 mm)		 1.47" (36.7 mm) in front and 1.73" (43.3 mm) in rear 1.47" (36.7 mm) in front and 1.73" (43.3 mm) in rear 1.4" (35.6 mm) Qxx and Txx models: 1.5" (37.5 mm) in front and 1.73" (43.3 mm) in rear
Sxx, Pxx and Rxx models: 1.44" (36.1 mm) in front and 1.73" (43.3 mm) in rear		 1.5" (38.1 mm) in front and 1.7" (43.1 mm) in rear 1.8" (44.6 mm) 1.8" (44.6 mm) 1.8" (44.6 mm) to 1.9" (44.8 mm) 1.8" (44.6 mm) to 1.9" (44.8 mm)
Weight 5.9 lb (2.66 kg) - 6.4 lb (2.88 kg) depending on configuration. All weights with weight-saver bezels. 7 lb (3.18 kg) with weight-saver bezel;
7.6 lb (3.45 kg) with DVD drive installed		 2628 models: 5.9 lb (2.66 kg) - 6.4 lb (2.88 kg) depending on configuration. All weights with weight-saver bezels.
2655 models: 5.4 lb (2.44 kg) - 5.8 lb (2.62 kg) depending on configuration. All weights with optical drive installed.		 5.9 lb (2.66 kg) - 6.4 lb (2.88 kg) depending on configuration. All weights with weight-saver bezels. 5.9 lb (2.66 kg) - 6.4 lb (2.88 kg) depending on configuration. All weights with weight-saver bezels. 5.4 lb (2.44 kg) - 5.8 lb (2.62 kg) depending on configuration. All weights with optical drive installed. 6.3 lb (2.84 kg) - 6.6 lb (2.97 kg) depending on model. All weights with weight-saver bezels. 7.2 lb (3.27 kg) with weight-saver bezel;
7.7 lb (3.49 kg) with CD-RW drive installed		 6.8 lb (3.08 kg) with weight-saver bezels in both bays;
7.4 lb (3.36 kg) with DVD drive installed		 7lb (3.18 kg) with weight-saver bezels in both bays;
7.6 lb (3.45 kg) with DVD/CD-RW drive installed		 7 lb (3.18 kg) with weight-saver bezels in both bays;
7.6 lb (3.45 kg) with DVD drive installed		 7 lb (3.18 kg) with weight-saver bezels in both bays;
7.6 lb (3.45 kg) with DVD drive installed
Other A20m A20p A21e A21m A21p A22e A22m A22p A30 A30p A31 A31p
Audio Sound Blaster Pro compatible;
Internal Microphone;
Internal Stero Speakers		 Sound Blaster Pro compatible;
Internal Microphone;
Internal Speaker		 Sound Blaster Pro compatible;
Intenal Speaker		 Sound Blaster Pro compatible;
Internal Microphone;
Internal Speaker		 Sound Blaster Pro compatible;
Internal Microphone;
Internal Stereo Speakers;
3D Sound		 Sound Blaster Pro compatible;
Internal Speaker		 Sound Blaster Pro compatible;
Internal Stereo Speakers		 Sound Blaster Pro compatible;
Internal Stereo Speakers		 Sound Blaster Pro compatible;
Internal Stereo Speakers;
3D Sound		 Sound Blaster Pro compatible;
Internal Stereo Speakers;
3D Sound		 Sound Blaster Pro compatible;
Internal Stereo Speakers;
3D Sound		 Sound Blaster Pro compatible;
Internal Stereo Speakers;
3D Sound
Pointing Device TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint TrackPoint
Ultrabay 2000 yes yes yes yes yes yes yes yes yes yes yes yes
Ultrabay 2000 Plus no no no no no no no no yes yes yes yes
ThinkLight yes yes yes yes yes yes yes yes yes yes yes yes
UltraPort no yes no no yes no no yes no no no yes
Titanium Top Cover no yes no no yes no no yes no no no no