Apple Lisa 2
 | |
| A Lisa 2, with its single 3.5-inch drive | |
| Specifications | |
|---|---|
| Manufacturer | Apple Computer, Inc. |
| Type | Personal computer |
| Released | January 1984[1] |
| Discontinued | April 1985 (as the Macintosh XL)[1] |
| Intro price | US$3,495 (Lisa 2/5), US$5,495 (Lisa 2/10)[1] |
| CPU | Motorola 68000 at 5 MHz[2] |
| Memory | 512 KB (one memory board) or 1 MB (two)[3] |
| Storage | One 3.5-inch micro disk drive, 400 KB formatted; Lisa 2/5: external 5 MB ProFile; Lisa 2/10: internal 10 MB hard disk[4] |
| Display | 12-inch monochrome CRT, 720 × 364[4] |
| Sound | — |
| Ports / interface | Two serial (DB-25); one parallel (DB-25) except on the Lisa 2/10[3] |
| Expansion | Three internal expansion slots[3] |
| Power | 150 W[4] |
| Dimensions | 350 mm H × 475 mm W × 388 mm D (13.8 × 18.7 × 15.2 in)[4] |
| Weight | 22 kg (48 lb)[4] |
| OS / Firmware | Lisa Office System; MacWorks |
| Predecessor | Apple Lisa |
| Successor | Macintosh XL |
The Apple Lisa 2 is the second version of the Apple Lisa, announced alongside the Macintosh in January 1984. It replaced the original Lisa's two "Twiggy" floppy drives with one Sony 3.5-inch drive, the same drive as the Macintosh's. It was sold as the Lisa 2/5 at US$3,495 and the Lisa 2/10 at US$5,495. In January 1985 the Lisa 2/10 was renamed the Macintosh XL and sold with MacWorks, and Apple dropped it in April 1985.[1]
Configurations
[edit | edit source]Apple's service manual describes the Lisa 2 family as five configurations: Lisa 2, Lisa 2/5, Macintosh XL (formerly Lisa 2/10), Modified Lisa 2/5 and Modified Macintosh XL.[3]
| Model | Hard disk | Notes |
|---|---|---|
| Lisa 2 | None | Has an external parallel port for a ProFile or other parallel device. Cannot take an internal hard disk: its I/O board and motherboard do not support one. Cannot run the Lisa Office System, which must be installed on a hard disk; MacWorks runs from the micro disk drive. |
| Lisa 2/5 | External 5 or 10 MB ProFile on the built-in parallel port | Apple: once a ProFile is connected, a Lisa 2 "becomes Lisa 2/5". Up to six ProFiles on optional parallel interface cards. |
| Lisa 2/10 (Macintosh XL) | Internal 10 MB hard disk on an internal parallel port | No external parallel connector. Its own I/O board, motherboard and power supply. |
Every Lisa 2 has one 3.5-inch drive: Apple's service manual says "Lisa 2, 2/5, and 2/10 have only one disk drive".[3] The owner's guide describes the three models on page 3, "Which Lisa 2 System Do You Have?".[4]
Hardware
[edit | edit source]The Lisa 2 keeps the Lisa's architecture: a 68000 at 5 MHz, the same CPU, memory and video boards, and the 720 × 364 display.[2][3]
Memory
[edit | edit source]The two memory boards are identical (661-93105). With one board fitted the Lisa 2 has 512 KB; with two it has 1 MB, Apple's maximum, though "two megabytes of memory are possible if third party memory boards are installed". Two boards are needed to run the diagnostic diskette and any version of the Lisa Workshop.[3]
Specifications
[edit | edit source]| Item | Apple's figure |
|---|---|
| Cabinet | 350 mm high, 475 mm wide, 388 mm deep (13.8 × 18.7 × 15.2 in); 22 kg (48 lb) |
| Keyboard | 68 × 475 × 165 mm; 1.8 kg (4 lb) |
| Micro disk drive | 400 KB formatted |
| Hard disk | Internal 10 MB formatted; external 5 MB formatted |
| Mains, US/Canada | 90-130 V AC, 48-68 Hz, 150 W |
| Mains, Europe/Asia | 180-260 V AC, 48-68 Hz, 150 W |
| Operating temperature | 5-40 °C (40-104 °F) |
| Screen | 12 in diagonal, 6 × 8.5 in active; 364 lines × 720 dots |
| Refresh, line and dot rates | 60 Hz; 22,900 Hz; 20.375 MHz |
Ports
[edit | edit source]The Lisa 2 motherboard has three DB-25 connectors, two serial and one parallel. The Macintosh XL (Lisa 2/10) motherboard has no parallel connector and two DB-25 connectors, both serial.[3] Apple's error codes call the serial ports "RS232 port A" and "RS232 port B".[3]
Apple part numbers
[edit | edit source]| Assembly | Lisa 1 / Lisa 2 | Lisa 2/5 | Lisa 2/10 and Macintosh XL |
|---|---|---|---|
| Power supply | 661-93108 (US), 661-93149 (European) | 661-93108 | 661-73172 |
| Motherboard | 661-93106 | 661-93106 | 661-93170 |
| I/O board | 661-93104 (Lisa 1.0) | 661-93198 | 661-93171 |
| CPU board | 661-93103; Macintosh XL modified CPU card 661-0298 | ||
| Memory board | 661-93105 | ||
| Video board | 661-93107 | ||
| Flyback transformer | 076-0106; CRT/yoke assembly 076-0150; yoke trim magnets 159-0015, 159-0020 (yellow), 159-0021 (red), 159-0022 (green), 159-0023 (blue) | ||
| 3.5-inch micro disk assembly | 661-76156; Microdisk Adapter PCB 661-93194 | ||
| Internal hard disk assembly | None | 661-93176 | |
| Keyboard and mouse | Keyboard 661-93109; mouse 661-93111 (Lisa) or 661-96155 (Macintosh-Lisa 2/10); mouse ball 699-8001 | ||
The Lisa 2 power supply is the "8 Amp" supply rated at 1.2 A AC input; the Macintosh XL has the "10 amp" supply rated at 1.8 A AC.[3] Capacitor values from Apple's power supply schematic are on Apple Lisa Capacitor Replacement Guide.
Start-up self-test
[edit | edit source]Apple's troubleshooting guide gives the normal start-up sequence:[3]
- The on/off lamp lights.
- The Lisa is silent for about 3 seconds, then gives a single click.
- About 30 seconds after power-on, as the picture tube warms up, the screen shows four icons for the CPU, I/O, memory and expansion cards, each highlighted in turn as the boot ROM tests it.
- If a card fails, error tones sound and its icon is shown with a large X through it; or an error icon and error code are displayed.
A blank screen for the first 30 seconds is normal. Apple sends the technician to the video repair procedures only if there is no picture after 30 seconds, and to the start-up repair procedures if the single click does not occur or unexpected tones sound.[3] Error codes and Apple's replacement order are tabulated on Apple Lisa and Apple Lisa Troubleshooting.
Parameter memory is cleared by switching SW1 on the I/O board off for about 5 seconds and back on. The Lisa 2/10 I/O board has no switch.[3] The diagnostic program, LisaTest, starts at customer level; APPLE-SHIFT-S switches it to service level.[5]
Power supply and video symptoms
[edit | edit source]Apple's video repair table lists fixes in order of trial:[3]
| Symptom | Apple's fixes, in order |
|---|---|
| A sizzling noise coming from the Lisa | Replace power supply; adjust brightness; adjust contrast; replace video board; replace flyback |
| Power supply trips (turns off and on) | Adjust brightness; adjust contrast; replace power supply; replace video board; replace flyback |
| Blank screen, CRT filament not lit with the power on | Check connections; adjust brightness and contrast; replace video board; replace CPU board |
A supply that trips is therefore not automatically a supply fault. Apple's Level I procedures give video adjustments (horizontal phase, brightness, contrast, yoke and magnets) and no power supply voltage adjustment.[3]
Upgrades
[edit | edit source]Apple's service manual has an Upgrade and Retrofit section with Lisa 2/5 inventory upgrade instructions, a Lisa 2 upgrade, a Lisa 2/10 upgrade and the Macintosh XL Screen Modification Kit; the sections are dated January 1984, February 1984, April 1984 and August 1985.[3] The kit's user manual is Macintosh XL Screen Kit.
Documentation
[edit | edit source]- Apple Lisa 2 Owners Guide 1984: the 113-page owner's guide, with troubleshooting (p. 9), maintenance (p. 37), hardware and specifications (p. 45) and the automatic start-up tests (Appendix B, p. 94).[4]
- Apple Lisa 2 Owners Guide 1983: a separate 348-page owner's guide covering set-up, LisaGuide and the Office System.
- Apple Service Technical Procedures Lisa/Macintosh XL: Apple's Level I service manual, 072-0085, with the Lisa 2 sections, the upgrades and the Screen Kit.
- Apple Lisa Level 1 Technical Procedures Mar85: an earlier state of the same manual.
- Macintosh XL Screen Kit: the user manual for the screen modification.
- Apple schematics: power supply, video board, I/O board.
See also
[edit | edit source]- Apple Lisa
- Apple Lisa 2/5
- Apple Lisa 2/10
- Apple Lisa General Maintenance
- Apple Lisa Troubleshooting
- Apple Lisa Capacitor Replacement Guide
- Macintosh XL
- MacWorks
References
[edit | edit source]- ↑ 1.0 1.1 1.2 1.3 Hansen Hsu, "The Lisa: Apple's Most Influential Failure", Computer History Museum, January 19, 2023.
- ↑ 2.0 2.1 Forrest Warthman and Associates for Apple Computer, LISA Hardware Manual, final draft, 7 September 1982, section 1.3, p. 1-6. Hosted as File:Lisa Hardware Manual Sep 1982.pdf.
- ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 Apple Computer, Apple Service Technical Procedures: Lisa/Macintosh XL (Lisa Level I Technical Procedures, #072-0085, pages revised to June 1987). Lisa 2 General Information pp. 1-4; Lisa 1.0 Video Adjustments; Lisa Troubleshooting Guide pp. 6.3-6.4 (start-up sequence) and video repair procedures (table of symptoms and fixes); Lisa/Macintosh XL Troubleshooting pp. 6.5-6.6 (configuration and system boards tables), 6.16-6.18 (error numbers). Hosted as Apple Service Technical Procedures Lisa/Macintosh XL (PDF).
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 Apple Computer, Lisa 2 Owner's Guide, ©1983, 1984, reorder product A6L0303. "Which Lisa 2 System Do You Have?" p. 3; Chapter 4, "Lisa 2 Hardware", specifications pp. 62-63. Hosted as Apple Lisa 2 Owners Guide 1984.
- ↑ 5.0 5.1 Apple Computer, Lisa Level 1 Technical Procedures, #072-0085, March 1985, Illustrated Parts Lists (Lisa 1.0, Lisa 2, Lisa 2/10). Hosted as Apple Lisa Level 1 Technical Procedures Mar85.