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Rebuilt against Apple SE/30 Service Source + Guide to the Macintosh Family Hardware: release date was 16 January 1986 (wrong; 19 January 1989), CPU 16.667MHz -> 15.667MHz, ROM 512KB -> 256KB, weight 19.5lb -> 21.5lb, RAM 128MB claim qualified against Apple 32MB; DELETED fabricated memory map, ROM module table, SCSI/sound path detail, JP13 and chess-tone easter egg; pseudo-slot video explained from Apple ch.12; chip location map from the hosted 050-0253-01 redraw; refs and reflist
 
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| caption      = Macintosh SE/30
| caption      = Macintosh SE/30
| manufacturer = Apple Computer, Inc.
| manufacturer = Apple Computer, Inc.
| type        = Personal Computer
| type        = Personal computer
| release date = January 16, 1986
| release_date = 19 January 1989
| discontinued = October 21, 1991
| discontinued = 21 October 1990
| price        = US$4,369
| price        = US$4,400 (US$4,900 with hard disk)
| cpu          = Motorola 68030 @ 16 MHz
| cpu          = Motorola 68030 @ 15.667 MHz
| memory      = 1 MB RAM (expandable to 128 MB)
| fpu          = Motorola 68882
| storage      = 1.44 MB 3.5" floppy drive, Internal SCSI HDD
| memory      = 1 or 4 MB, expandable to 32 MB (Apple); 128 MB with uncertified 16 MB SIMMs
| display      = 9" monochrome CRT (512×342 pixels)
| rom          = 256 KB
| sound        = Monaural 8-bit, 22 kHz (4-voice)
| graphics    = 512 × 342 monochrome; separate 64 KB video RAM and 8 KB video declaration ROM
| dimensions  = 13.6" H × 9.6" W × 10.9" D
| storage      = 1.4 MB floppy drive; optional 40 or 80 MB internal SCSI hard disk
| weight      = 19.5 lbs (8.8 kg)
| display      = 9-inch monochrome CRT, 512 × 342 pixels
| sound        = Apple Sound Chip: four-voice wavetable, stereo sampling
| ports        = 2 × ADB; DB-19 external floppy; DB-25 SCSI; 2 × RS-232/RS-422 serial; stereo sound out
| expansion    = 030 direct slot, 120-pin Euro-DIN, full 32-bit address and data
| power        = 120–240 V AC, automatically configured, 48–62 Hz, 75 W maximum
| dimensions  = 13.6 in H × 9.6 in W × 10.9 in D (34.5 × 24.4 × 27.6 cm)
| weight      = 21.5 lb (9.75 kg)
| os          = System 6.0.3 – System 7.5.5
| os          = System 6.0.3 – System 7.5.5
| predecessor  = [[Macintosh SE]]
| predecessor  = [[Macintosh SE]]
| successor    = [[Macintosh Classic II]]
| successor    = [[Macintosh Classic II]]
| codename    = Green Jade, Fafnir
| codename    = Green Jade, Fafnir, Oreo
| model        = M5119
| model        = M5119
}}
}}
== Historical Background ==
The '''Macintosh SE/30''' was introduced on 19 January 1989: a [[Macintosh IIx]] in a compact case. It is by a wide margin the most capable of the compact Macintoshes — a 68030 with a memory management unit, a 68882 floating-point unit as standard, eight SIMM sockets, a full 32-bit processor-direct slot and the first 1.4 MB SuperDrive fitted to a compact.<ref name="lem">Low End Mac, ''Mac SE/30'' tech specs (secondary source, used for dates, prices, codenames and the 128 MB memory ceiling).</ref><ref name="ssse30">Apple Computer, ''Macintosh SE/30 Service Source'' — Specifications, Troubleshooting, Take Apart, Adjustments and Additional Procedures chapters. Hosted on this wiki: [[:File:Macintosh se.30.pdf]].</ref>
The '''Macintosh SE/30''' was introduced on January 19, 1989, as a powerful upgrade to the original [[Macintosh SE]]. It featured a significantly enhanced CPU, the Motorola 68030 running at 16 MHz, making it one of Apple's most powerful compact Macs. The SE/30 introduced support for up to 128 MB RAM, onboard expansion via the PDS slot, and included an internal 1.44 MB "SuperDrive" floppy disk drive and optional internal SCSI hard drive. The SE/30 was popular among power users and is still highly valued by vintage computer enthusiasts.


== General Maintenance ==
It is also the compact most likely to arrive dead, because of the surface-mount capacitors on its logic board. '''Read [[Macintosh SE/30 General Maintenance]] before powering up a machine that has been in storage.'''
For detailed maintenance practices including cleaning, PRAM battery management, connector corrosion prevention, and voltage adjustments, refer to the dedicated [[Macintosh SE/30 General Maintenance]] page.


== PCB Schematics & Service Manual ==
== Specifications ==


The Macintosh SE/30 consists of two main printed circuit boards: the '''Logic Board''' and '''Analog Board'''. Below are detailed schematics and the official Apple service manual for the Macintosh SE/30.
Apple's own specification pages.<ref name="ssse30" />


=== Apple Service Manual ===
<templatestyles src="Template:StyledTable/styles.css" />
All of the Apple Service Manuals can be found on the [[Apple Service Manuals]] page. However, you can find the SE/30 Service Manual here: [[File:Macintosh SE30.pdf|center|thumb|Apple Service Guide - Macintosh SE/30]]
{| class="wikitable styled-table" style="width:85%;"
! Item !! Specification
|-
| CPU || Motorola 68030, 15.667 MHz, 256-byte instruction and data caches, built-in paged memory management unit
|-
| Coprocessor || Motorola 68882 floating-point unit
|-
| RAM || 1 or 4 MB, expandable to 32 MB
|-
| ROM || 256 KB
|-
| PRAM || 256 bytes, CMOS custom chip with a long-life lithium battery
|-
| Floppy || 1.4 MB
|-
| Hard disk || Optional 40 or 80 MB
|-
| Expansion || One 030 direct slot, full 32-bit address and data lines, 120-pin Euro-DIN
|-
| SCSI || 50-pin internal, DB-25 external
|-
| ADB || Two ports
|-
| Serial || Two RS-232/RS-422 ports, 230.4 kbaud maximum
|-
| Sound || Apple Sound Chip (ASC): four-voice wavetable synthesis and a stereo sampling generator; mixed to mono at the internal speaker
|-
| Video || 9-inch diagonal, 512 × 342 bit-mapped. Colour QuickDraw in ROM supports grey-scale and colour cards in the 030 slot
|-
| Line voltage || 120–240 V AC RMS, automatically configured
|-
| Frequency || 48–62 Hz, single phase
|-
| Maximum power || 75 W
|-
| Dimensions || 13.6 × 9.6 × 10.9 in (34.5 × 24.4 × 27.6 cm)
|-
| Weight || 21.5 lb (9.75 kg)
|}
 
== Video: why the SE/30 is different ==
 
The screen looks like a [[Macintosh SE]] screen but the hardware behind it is not. The SE/30's logic board carries a '''separate 64 KB video display RAM''' and a separate '''8192-byte video declaration ROM''', mapped at $FE00 0000 — the address space used by expansion slot $E in the Macintosh II family. Apple calls this '''pseudo-slot video''': the built-in display pretends to be a Macintosh II video card so that the SE/30 can share the system ROM used by the other 68030 machines.<ref name="gtmfh">Apple Computer, ''Guide to the Macintosh Family Hardware'', 2nd edition, Addison-Wesley, 1990 — Chapter 12 "Displays", pp. 408–409 (pseudo-slot video, 64 KB video RAM, declaration ROM) and Chapter 5 "Memory", pp. 208–211 (SIMM rules).</ref>
 
The practical consequence: '''no main memory is reserved for the display'''. The video buffer is independent of the SIMMs, so no memory configuration is better or worse for video.
 
== Memory ==
 
Eight 30-pin SIMM sockets in two banks of four, 120 ns or faster, eight chips per module, banks filled completely, larger modules in bank A. Apple's published maximum is 32 MB; 16 MB modules take it to 128 MB but were never certified by Apple. Full rules: [[Macintosh SE/30 Memory Upgrade Guide]].<ref name="gtmfh" /><ref name="ssse30" /><ref name="lem" />
 
Anything above 8 MB requires 32-bit addressing, which the SE/30's ROM does not provide by itself — Mode32 or an equivalent enabler is needed.<ref name="lem" />
 
== Service manual and schematics ==
 
=== Apple service manual ===
<pdf width="800" height="500">File:Macintosh SE30.pdf</pdf>
 
All of the Apple service manuals are on the [[:Category:Apple Service Source|Apple Service Source]] page.


=== Logic Board & Analog Board Schematics ===
=== Logic board and analogue board ===


{| class="wikitable" style="width:50%; text-align:center;"
{| class="wikitable" style="width:50%; text-align:center;"
|+'''Macintosh SE/30 PCB Schematics'''
|+'''Macintosh SE/30 PCB images'''
|-
|-
! style="background-color:#f2f2f2; width:30%;"| Logic Board
! style="background-color:#f2f2f2; width:30%;"| Logic board
! style="background-color:#f2f2f2; width:30%;"| Analog Board
! style="background-color:#f2f2f2; width:30%;"| Analogue board
|-
|-
| [[File:MacintoshSE30_LogicBoard.jpg|thumb|center|250px|Macintosh SE/30 Logic Board]][[File:MacintoshSE30 LogicBoard Schematic.pdf|center|thumb|Macintosh SE/30 Logic Board Schematic]]
| [[File:MacintoshSE30_LogicBoard.jpg|thumb|center|250px|Macintosh SE/30 logic board]][[File:MacintoshSE30 LogicBoard Schematic.pdf|center|thumb|Macintosh SE/30 logic board schematic]]
| [[File:MacintoshSE30 AnalogBoard.png|center|thumb|250x250px|Macintosh SE/30 Analog Board]][[File:Fan, CRT Board.jpg|center|thumb|Macintosh SE/30 Analog Board Schematic]]
| [[File:MacintoshSE30 AnalogBoard.png|center|thumb|250x250px|Macintosh SE/30 analogue board]][[File:Fan, CRT Board.jpg|center|thumb|Fan and CRT board]]
|}
|}


== Capacitor Replacement Guide ==
A KiCad recreation of Apple engineering drawing '''050-0253-01''', released under the MIT licence, is hosted here and is the most usable source for tracing corroded traces: [[:File:Macintosh SE30 Logic Board Schematic Redraw 050-0253-01.pdf]]. Its pin matrices identify the major devices — UK8 CPU, UI5 FPU, UI8 GLUE, UK12/UK11 VIA1/VIA2, UJ11 SWIM, UI12 SCSI, UG12 SCC, UK6 video ROM, UC6/UC7 VRAM, J13 PDS.<ref name="redraw">''Macintosh SE/30 Logic Board Schematic Redraw'', KiCad recreation of Apple engineering drawing 050-0253-01, MIT licence. Hosted on this wiki: [[:File:Macintosh SE30 Logic Board Schematic Redraw 050-0253-01.pdf]].</ref>
Detailed capacitor replacement guidelines for both the analog and logic boards can be found on the [[Macintosh SE/30 Capacitor Replacement Guide]] page.
 
== Maintenance, capacitors and troubleshooting ==
 
* '''[[Macintosh SE/30 General Maintenance]]''' — the surface-mount capacitor problem, the 3.6 V lithium cell and its 2.8 V threshold, the chip location map.
* '''[[Macintosh SE/30 Capacitor Replacement Guide]]''' — values and positions.
* '''[[Macintosh SE/30 Troubleshooting]]''' — symptom-led diagnosis, including Simasimac.
* '''[[Macintosh SE/30 Reloaded Logic Board]]''' — the modern recreation board.
* '''[[CRT Discharge Procedure]]''' and '''[[Retrobrite]]'''.
 
There is '''no power-supply voltage adjustment on the SE/30'''. Apple's Adjustments chapter covers the yoke and the video only, and publishes no rail tolerances.<ref name="ssse30" />
 
A Sad Mac showing error code 00000001 over any value points at the '''ROM SIMM''' rather than at RAM — reseat it before suspecting anything else.<ref name="dms">Larry Pina, ''The Dead Mac Scrolls'', Peachpit Press, 1992, "Mac SE and SE/30" chapter. Hosted on this wiki: [[:File:The Dead Mac Scrolls 1992.pdf]].</ref> See [[Sad Mac Error Codes]] and the [[Sad Mac Decoder]].


== Retrobrite ==
== Related pages ==
Instructions on addressing case yellowing through Retrobrite treatment can be found on the [[Retrobrite]] page.
* [[Macintosh SE]] — the 68000 machine it is built on
* [[Macintosh Classic II]] — Apple's eventual replacement for it
* [[Macintosh Plus]]


== Troubleshooting ==
== References ==
A comprehensive troubleshooting guide addressing common issues such as no power, chime but no video, intermittent operation, Sad Mac errors, floppy drive problems, and SCSI hard drive maintenance is available on the [[Macintosh SE/30 Troubleshooting]] page.
<references />


[[Category:Apple Vintage Computers]]
[[Category:Apple Vintage Computers]]
{{Navbox-AppleVintage|state=collapsed}}

Latest revision as of 18:17, 23 September 2026

Macintosh SE/30
Macintosh SE/30
Specifications
ManufacturerApple Computer, Inc.
TypePersonal computer
Released19 January 1989
Discontinued21 October 1990
Intro priceUS$4,400 (US$4,900 with hard disk)
CPUMotorola 68030 @ 15.667 MHz
Memory1 or 4 MB, expandable to 32 MB (Apple); 128 MB with uncertified 16 MB SIMMs
Storage1.4 MB floppy drive; optional 40 or 80 MB internal SCSI hard disk
Display9-inch monochrome CRT, 512 × 342 pixels
SoundApple Sound Chip: four-voice wavetable, stereo sampling
Graphics512 × 342 monochrome; separate 64 KB video RAM and 8 KB video declaration ROM
ROM256 KB
FPU / coprocessorMotorola 68882
Ports / interface2 × ADB; DB-19 external floppy; DB-25 SCSI; 2 × RS-232/RS-422 serial; stereo sound out
Expansion030 direct slot, 120-pin Euro-DIN, full 32-bit address and data
Power120–240 V AC, automatically configured, 48–62 Hz, 75 W maximum
Dimensions13.6 in H × 9.6 in W × 10.9 in D (34.5 × 24.4 × 27.6 cm)
Weight21.5 lb (9.75 kg)
OS / FirmwareSystem 6.0.3 – System 7.5.5
PredecessorMacintosh SE
SuccessorMacintosh Classic II
CodenameGreen Jade, Fafnir, Oreo
Model no.M5119

The Macintosh SE/30 was introduced on 19 January 1989: a Macintosh IIx in a compact case. It is by a wide margin the most capable of the compact Macintoshes — a 68030 with a memory management unit, a 68882 floating-point unit as standard, eight SIMM sockets, a full 32-bit processor-direct slot and the first 1.4 MB SuperDrive fitted to a compact.[1][2]

It is also the compact most likely to arrive dead, because of the surface-mount capacitors on its logic board. Read Macintosh SE/30 General Maintenance before powering up a machine that has been in storage.

Specifications

[edit | edit source]

Apple's own specification pages.[2]

Item Specification
CPU Motorola 68030, 15.667 MHz, 256-byte instruction and data caches, built-in paged memory management unit
Coprocessor Motorola 68882 floating-point unit
RAM 1 or 4 MB, expandable to 32 MB
ROM 256 KB
PRAM 256 bytes, CMOS custom chip with a long-life lithium battery
Floppy 1.4 MB
Hard disk Optional 40 or 80 MB
Expansion One 030 direct slot, full 32-bit address and data lines, 120-pin Euro-DIN
SCSI 50-pin internal, DB-25 external
ADB Two ports
Serial Two RS-232/RS-422 ports, 230.4 kbaud maximum
Sound Apple Sound Chip (ASC): four-voice wavetable synthesis and a stereo sampling generator; mixed to mono at the internal speaker
Video 9-inch diagonal, 512 × 342 bit-mapped. Colour QuickDraw in ROM supports grey-scale and colour cards in the 030 slot
Line voltage 120–240 V AC RMS, automatically configured
Frequency 48–62 Hz, single phase
Maximum power 75 W
Dimensions 13.6 × 9.6 × 10.9 in (34.5 × 24.4 × 27.6 cm)
Weight 21.5 lb (9.75 kg)

Video: why the SE/30 is different

[edit | edit source]

The screen looks like a Macintosh SE screen but the hardware behind it is not. The SE/30's logic board carries a separate 64 KB video display RAM and a separate 8192-byte video declaration ROM, mapped at $FE00 0000 — the address space used by expansion slot $E in the Macintosh II family. Apple calls this pseudo-slot video: the built-in display pretends to be a Macintosh II video card so that the SE/30 can share the system ROM used by the other 68030 machines.[3]

The practical consequence: no main memory is reserved for the display. The video buffer is independent of the SIMMs, so no memory configuration is better or worse for video.

Memory

[edit | edit source]

Eight 30-pin SIMM sockets in two banks of four, 120 ns or faster, eight chips per module, banks filled completely, larger modules in bank A. Apple's published maximum is 32 MB; 16 MB modules take it to 128 MB but were never certified by Apple. Full rules: Macintosh SE/30 Memory Upgrade Guide.[3][2][1]

Anything above 8 MB requires 32-bit addressing, which the SE/30's ROM does not provide by itself — Mode32 or an equivalent enabler is needed.[1]

Service manual and schematics

[edit | edit source]

Apple service manual

[edit | edit source]

All of the Apple service manuals are on the Apple Service Source page.

Logic board and analogue board

[edit | edit source]
Macintosh SE/30 PCB images
Logic board Analogue board
Macintosh SE/30 logic board
File:MacintoshSE30 LogicBoard Schematic.pdf
Macintosh SE/30 analogue board
Fan and CRT board

A KiCad recreation of Apple engineering drawing 050-0253-01, released under the MIT licence, is hosted here and is the most usable source for tracing corroded traces: File:Macintosh SE30 Logic Board Schematic Redraw 050-0253-01.pdf. Its pin matrices identify the major devices — UK8 CPU, UI5 FPU, UI8 GLUE, UK12/UK11 VIA1/VIA2, UJ11 SWIM, UI12 SCSI, UG12 SCC, UK6 video ROM, UC6/UC7 VRAM, J13 PDS.[4]

Maintenance, capacitors and troubleshooting

[edit | edit source]

There is no power-supply voltage adjustment on the SE/30. Apple's Adjustments chapter covers the yoke and the video only, and publishes no rail tolerances.[2]

A Sad Mac showing error code 00000001 over any value points at the ROM SIMM rather than at RAM — reseat it before suspecting anything else.[5] See Sad Mac Error Codes and the Sad Mac Decoder.

[edit | edit source]

References

[edit | edit source]
  1. ↑ 1.0 1.1 1.2 Low End Mac, Mac SE/30 tech specs (secondary source, used for dates, prices, codenames and the 128 MB memory ceiling).
  2. ↑ 2.0 2.1 2.2 2.3 Apple Computer, Macintosh SE/30 Service Source — Specifications, Troubleshooting, Take Apart, Adjustments and Additional Procedures chapters. Hosted on this wiki: File:Macintosh se.30.pdf.
  3. ↑ 3.0 3.1 Apple Computer, Guide to the Macintosh Family Hardware, 2nd edition, Addison-Wesley, 1990 — Chapter 12 "Displays", pp. 408–409 (pseudo-slot video, 64 KB video RAM, declaration ROM) and Chapter 5 "Memory", pp. 208–211 (SIMM rules).
  4. ↑ Macintosh SE/30 Logic Board Schematic Redraw, KiCad recreation of Apple engineering drawing 050-0253-01, MIT licence. Hosted on this wiki: File:Macintosh SE30 Logic Board Schematic Redraw 050-0253-01.pdf.
  5. ↑ Larry Pina, The Dead Mac Scrolls, Peachpit Press, 1992, "Mac SE and SE/30" chapter. Hosted on this wiki: File:The Dead Mac Scrolls 1992.pdf.


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