ThinkPad 365
| Company type | Product line |
|---|---|
| Industry | Laptop computers |
| Predecessor | IBM ThinkPad 360 series |
| Founded | November 1995 |
| Founder | IBM |
| Defunct | 1997 |
| Fate | Discontinued, replaced by ThinkPad 380 |
| Successor | IBM ThinkPad 380 series |
Area served | North America, Europe, other markets |
| Products | Laptops (ThinkPad 365CS, 365C, 365CSD, 365CD, 365E, 365ED, 365X, 365XD) |
| Owner | IBM |
| Parent | IBM |
The IBM ThinkPad 365 series represents a line of laptops designed by IBM and produced by the Taiwanese manufacturer ASE Group. Introduced to the North American market in November 1995, it followed the IBM ThinkPad 360 series and was eventually succeeded by the ThinkPad 380 in 1997. This lineup comprised eight distinct models before being phased out.
Launch
Originally set at a price of $2,300, IBM adjusted the cost of the ThinkPad 365 to better rival competitors such as Toshiba, which marketed models like the T1910 for $1,599. At that period, IBM commanded a 21% share of the portable computer market, while Toshiba led with 27%. To achieve more competitive pricing, IBM outsourced production to ASE Group and opted for the budget-friendly Cyrix 486DX4 processor in early versions, costing under $100. Subsequent releases featured Intel Pentium P54C CPUs (X/XD variants). This approach was intended to enhance market penetration by offering attractive pricing combined with varied configurations.
On November 7, 1995, IBM unveiled the 365CS, C, CSD, and CD variants. The entry-level 365CS was priced at $1,999 and included a 10.4-inch passive matrix (DSTN) screen, a 75 MHz DX4 CPU, 8 MB of RAM, Sound Blaster-compatible audio capabilities, and a 540 MB hard disk. The 365C model upgraded the display to an active matrix (TFT) panel for $2,200. Both CSD and CD models featured faster CD-ROM drives; the CD came with a TFT display whereas the CSD retained DSTN technology. These units were sold through both IBM’s direct sales channels and retail outlets.
At the Fall Comdex event in November 1995, IBM presented the ThinkPad 365C/CD alongside competing products as well as other IBM lines like the ThinkPad 760 series, highlighting its position within the mainstream mobile computing sector.
E/ED introduction
In March 1996, IBM introduced the 365E and ED models equipped with a 100 MHz Cyrix 5x86 processor; the ED variant included a 4x CD-ROM drive. These models were launched initially across Europe and other markets prior to their U.S. release in April. Priced from $1,999 up to $2,499, they replaced the earlier four models based on the 486 architecture.
X/XD introduction
On April 23, 1996, IBM rolled out the X and XD versions featuring Pentium P54C processors running at either 100 or 120 MHz. These models supported up to a 1.08 GB hard disk and as much as 40 MB of EDO RAM. The ThinkPad 365X offered an optional larger 11.3-inch DSTN screen while the XD included a 4x CD-ROM drive. Released between May and June of that year, prices ranged from $2,799 for the standard 10.4-inch DSTN model to $2,899 for the TFT-equipped version.
Phase-out
Early in 1997, IBM implemented price reductions on the ThinkPad 365 range in anticipation of newer releases within both the 365 and 560 series lines as well as following Intel’s cuts on OEM processor costs. Discounts reached up to $400 off original prices with entry-level configurations starting at $1,799. An upcoming model featuring a Pentium I processor at 120 MHz paired with a 1 GB hard drive was offered below $2,000.
Additional markdowns took place in April of that year after newer ThinkPads such as the 760XD and XL were launched. For instance, a ThinkPad 365X equipped with a 120 MHz Pentium I CPU, 8 MB RAM, and a TFT display measuring 10.4 inches was priced at $1,862 compared to $4,734 for a premium-tier ThinkPad 760EL model.
Reception
Prior to its launch in November 1995, Dataquest analyst Kimball Brown anticipated that the ThinkPad 365 series would stimulate growth within the notebook segment, citing IBM's solid standing among premium users and the new models' suitability for typical business professionals.
In March 1996, Computer Shopper reviewed the 365CD, commending its vibrant display, integrated audio capabilities, and easily accessible internal components. While its performance was moderate, benchmark results lagged behind rivals such as the Gateway Solo. By June 1996, PC Computing Magazine awarded the 365CSD a four-star rating out of five, recognizing its affordability but pointing out its "486-level performance" and the fixed 2x CD-ROM drive as drawbacks.
Later in November 1996, PC World placed the 365E as the second-best notebook on their list, praising its superior keyboard quality, longer-than-average battery life, and inclusion of Lotus SmartSuite 96. However, they noted disadvantages including the absence of a wrist rest, limited audio output, and a relatively small hard disk capacity.
365CS/C/CSD/CD
The initial CS/C/CSD/CD variants were equipped with a Cyrix Cx486DX4 processor clocked at 75 MHz, featuring an integrated math coprocessor and an 8 KB L1 cache. These models came standard with 8 MB of RAM, expandable to 24 MB through a 72-pin SIMM slot. All units utilized a Chips & Technologies 65545 graphics controller; the CS model contained 512 KB DRAM while the others were outfitted with 1 MB. The CS and CSD incorporated a 10.4-inch DSTN panel supporting 256 colors; in contrast, the C and CD featured a 10.4-inch TFT screen capable of displaying up to 262,144 colors—both at a resolution of 640×480 pixels. Hard drive sizes ranged between 340 MB and 540 MB and could be upgraded easily via standard EIDE connectors.
Floppy drives varied: CS and C models included a 1.44 MB floppy disk drive; meanwhile, CSD and CD models came with a 2x CD-ROM drive alongside an external floppy port. Input was provided by a full-sized ALPS switch keyboard with eight function keys paired with a TrackPoint III pointing device.
Connectivity options comprised two PCMCIA version 2.1 slots, a port replicator interface, serial and parallel ports, VGA output, and an infrared port across all models. The CSD and CD added sound functionality using an ESS Technology ES1688 audio chip offering 3.5 mm audio input/output/microphone jacks as well as MIDI ports.
Supported operating systems included IBM DOS 7.0, Windows 3.11, Windows 95, and OS/2 Warp version 3.0. Optional software bundles ranged from IBM PC Card Director and Lotus applications to Video for Windows along with various ThinkPad utilities.
365E/ED
The upgraded 365E and ED models incorporated a Cyrix 5x86c processor running at 100 MHz with an increased L1 cache size of 16 KB. The ED variant featured a faster 4x CD-ROM drive compared to the original’s 2x speed; however, the E model did not have audio capabilities while the ED included the ES1688 sound controller. Both versions used a 10.4-inch DSTN display at a resolution of 640×480 pixels. They shipped preloaded with Windows 95 plus software such as NetFinity, CompuServ, Puma TranXit, among other utilities.
365X/XD
Launched concurrently with the E/ED series, the ThinkPad 365X and XD introduced notable enhancements: an Intel Pentium P54C processor operating at 100 MHz; support for EDO RAM expandable up to 40 MB using 144-pin SIMMs; and replacement of the VESA Local Bus with a PCI bus for greater data throughput. Hard disk capacity increased substantially from previous models’ maximum of 540 MB to up to 1.35 GB. Additionally, these units employed an IBM-manufactured BIOS.
Display options included either a 10.4-inch DSTN or TFT panel for the X model and an enlarged 11.3-inch DSTN screen for the XD variant—all capable of resolutions up to 800×600 pixels—driven by a Trident Cyber9320 video controller equipped with 1 MB of DRAM. Subsequent revisions introduced processors clocked between 120 and 133 MHz Pentium chips along with an optional 11.3-inch TFT display for the XD model running Windows 95 OSR2.
Due to BIOS INT13H limitations, hard drive upgrades exceeding capacities above approximately two gigabytes were restricted to a maximum size near 8.9 GB.
Comparison
| Model | LaunchDate | DiscontinuationDate | Starting Price | ScreenTypes | ResolutionVariants | Processor | RAM | GraphicsAdapter | SoundAdapter | StorageOptions | AdditionalDetails | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DSTN | TFT | ||||||||||||||||||||||||
| 365CS | November 1995 | June 1996 | $1,999 | 10.4"</ small > | < small >– </ small > | < small >640×480 </ small > | < small >486DX4 - 75 MHz </ small >< small >25 MHz bus </ small >< small >8 KB cache </ small >< small >Coprocessor </ small > | < small >8-24 MB </ small >< small >70 ns FP </ small > | < small >CT65545 </ small >< small >512 KB DRAM </ small > | < small >None </ small > | < small >340 MB </ small > | < small >540 MB </ small > | < small >1.44 MB FDD </ small >< small >NiMH Battery - 3 hr </ small > | ||||||||||||
| < small >365C </ small > | $2,200 | < small >– </ small > | < small >10.4"</ small > | < small >CT65545 </ small >< small >1 MB DRAM </ small > | |||||||||||||||||||||
| < small >365CSD </ small > | $2,499 | < small >10.4"</ small > | < small >– </ small > | < small >ESS1688 </ small > | < small >540 MB </ small > | < small >2X CD-ROM drive </ small >< small >NiMH Battery - 2.5 hr </ small > | |||||||||||||||||||
| < small >365CD </ small > | $3,199 | < small >– </ small > | < small >10.4"</ small > | ||||||||||||||||||||||
| < small >365E </ small > | < small >May 1996 </ small > | < small >October 1996 </ small > | $1,799 | < small >10.4"</ small > | < small >– </ small > | < small >5x86c - 100 MHz </ small >< small >33 MHz bus </ small >< small >16 KB cache </ small >< small >Coprocessor </ small > | < small >None </ small > | < small >1.44 MB FDD </ small >< small >NiMH Battery - 2.5 hr </ small > | |||||||||||||||||
| < small >365ED </ small > | $2,499 | < small >10.4"</.small> | <.small>– | ESS1688 | <.small>4X CD-ROM drive NiMH Battery - 2.3 hr | ||||||||||||||||||||
| 365X | October 1997 | $2,499 (DSTN) | 10.4" 11.3" |
10.4" | 640×480 800×600 |
Pentium I 100-133 MHz bus; 60-66 MHz clock |
rowspan= "4"|8-40 MB EDO RAM |
rowspan= "4"|CYBER9320 |
colspan= "2"rowspan= "2"|810 MB |
colspan= "2"rowspan= "2"|1.08 GB |
rowspan= "2"|1.44 MB FDD |
- |
$2899 (TFT) |
- |
365XD |
$2799 (DSTN) |
rowspan= "2"|10.4" |
rowspan= "2"|10.4" |
rowspan= "2"|810 MB |
rowspan= "2"|1.08 GB |
rowspan= "2"|1.35 GB |
rowspan= "2"|2.1 GB |
rowspan= "2"|4, 6, or 8X CD-ROM drive |
- |
$3699 (TFT) |
Trivia
- During July 1997, the Santa Cruz Sheriff's Department equipped their patrol vehicles with 29 IBM ThinkPad 365X units. This upgrade significantly enhanced productivity by cutting down officers' daily report writing time by as much as two hours. The acquisition was financed through a grant valued at over $59,000.
References