PRODUCT MAINTENANCE RELEASE BULLETIN

PRODUCT LINE: DESKTOP

MARKETING MODEL NUMBER: Z-420/SX, Z-425/SX, Z-433/SX and Z-433/DX

COMPUTER ODSS MODEL NUMBERS:

ZJS-4227-KP ZJS-4234-KP ZJS-4327-KP
JS-4334-KP JS-4427-KP JS-4434-KP
ZJS-4627-KP ZJS-4634-KP

IJS-4227-KP IJS-4234-KP IJS-4327-KP
IJS-4334-KP IJS-4427-KP IJS-4434-KP
IJS-4627-KP IJS-4634-KP

ACCESSORY AND UPGRADE ODSS MODEL NUMBERS:

CA-0110 CA-0120 DF-0060 DH-0260
DH-0550 DH-0560 DO-0030 DT-0030
DT-0170 DT-0180 IB-120 IB-0010
IB-0020 IB-0030 IB-0040 IB-0050
IB-0060 IB-0070 IB-0080 IB-0090
IB-0100 IF-0120 IF-0130 IF-0270
IF-0430 IM-0010 IM-0020 LN-0170
ME-0100 PC-0030 PC-0040 PC-0050
PC-0060 PU-0020 VI-0030 ZA-0160
ZA-3000-HC ZA-3900-S2 ZA-3990-AP

PRODUCT DESCRIPTION:

The Z-420/SX, Z-425/SX, Z-433/SX and Z-433/DX are desktop computers. The
Z-420/SX is based on the 20 MHz 80486SX microprocessor, the Z-425/SX is based on the 25 MHz 80486SX microprocessor, the Z-433/SX is based on the 33 MHz 80486SX microprocessor and the Z-433/DX is based on the 33 MHz 80486DX.

Standard features include a: coprocessor socket, 101 or 102-key keyboard, one 1.4MB floppy drive, four full-length ISA slots, one 2/3 length ISA slot, hard drive, one 9 pin serial port, one parallel port, and one PS/2-style mouse port.

Please refer to Attachment B for available options.

APPROXIMATE DATE OF FIRST SHIPMENT:

July 24, 1992

DOCUMENTATION PART NUMBERS:

User's Guide: 595-5333-0U
Technical Reference Manual TM-4400-I
Service Manual: 860-273

DIAGNOSTIC MODEL NUMBER:

Diagnostics will be available on the Information Resource Program Technical Support Bulletin Board until released on the Information Resource ZD-ROM. Phone number 1-800-888-3014.

UT-1001-1

SPECIAL TOOLS / UTILITIES REQUIRED:

Full static prevention measures should be taken! Perform all work on a static mat using a wrist strap. Utilities will be available on the Information Resource Program Technical Support Bulletin Board until released on the Information Resource ZD-ROM. Phone number 1-800-888-3014.

Processor Removal Tool 490-0246-00
9-pin Serial Loopback Connector, part number 438-0073-00
25-pin Parallel Loopback Connector, part number 438-0064-00

ISA ICU SETUP 890-3014-2U
ISA Flash Code 890-3044-01

To enter SETUP program a special ISA ICU SETUP program is required.
The BIOS would support a standard IDE hard disk drive up to 500 MB.
The Hard disk drive are auto-detected by the BIOS.

PREVENTATIVE MAINTENANCE:

Clock/Calendar battery replacement at 3 years.

MEAN TIME TO REPAIR (MTTR):

At the major module assembly level, 30 minutes.

LIMITED WARRANTY:

Standard Zenith Data Systems 1-year limited carry-in warranty applies unless the unit is covered under a separate contract or maintenance agreement.

Expendable components such as batteries are warranted for 90 days.

ATTACHMENTS:

A. Field Replaceable Units (FRU) List
B. Accessories and Upgrades

ATTACHMENT A

FIELD REPLACEABLE UNITS

Description Part Number Recommended Spares Per 100*/Stocking Requirement
LINE CORD US 89-0096-00 1/S,D
LINE CORD FRENCH/GERMAN 89-0099-00 1/S,D
LINE CORD SWISS 89-0098-00 1/S,D
LINE CORD BRITISH 89-0097-00 1/S,D
CABINET WRAP 90-1441-0A D
ASYM LED CARRIER/BUTTON 102-0016-00 1/S,D
CABLE 40C IDE DRIVE 134-2434-00 1/S,D
CABLE 34C FLOP A/B 134-2486-00 1/S,D
POWER SUPPLY 145W 150-0576-01 1/S,D
HDD 3.5" 80MB 151-1207-C2 1/S,D
FDD 3.5" 2MB 32MM 151-1218-E1 1/S,D
HDD 3.5" 200MB 151-1230-C1 1/S,D
KEYBOARD 101 US 163-0089-00 1/S,D
KEYBOARD 102 BELGIAN/FLEMISH 163-0089-0Y 1/S,D
KEYBOARD 102 ITALIAN 163-0089-0T 1/S,D
KEYBOARD 102 SWEDISH 163-0089-0S 1/S,D
KEYBOARD 102 PORTUGUESE 163-0089-0P 1/S,D
KEYBOARD 102 NORWEGIAN 163-0089-0N 1/S,D
KEYBOARD 102 FRENCH 163-0089-0F 1/S,D
KEYBOARD 102 SPANISH 163-0089-0E 1/S,D
KEYBOARD 102 GERMAN 163-0089-0D 1/S,D
KEYBOARD 102 SWISS 163-0089-0C 1/S,D
KEYBOARD 102 BRITISH 163-0089-0B 1/S,D
KEYBOARD 102 DANISH 163-0089-0A 1/S,D
CHASSIS ASSEMBLY PLTD 200-1683-0A D
PANEL 5.25 DRV INSERT 203-2544-0A D
BRACKET IBM BLANK 204-2721-00 D
BRACKET LEFT 204-3428-00 D
BRACKET HDD MTG 204-3459-0A D
PLATE COVER WINCHESTER 205-2112-00 D
PLATE PORT COVER STL 205-2136-0A D
PLATE PLST PLATUM GRAY 205-2151-0A D
SHIELD PORT CONNECTOR 206-1595-0A D
BEZEL TRIM ASM PLST 210-0170-1A D
BATTERY COVER 214-0301-00 1/S,D
BD ASM 25MHZ 80486SX W/4MB 240-8125-10 2/S,D
BD ASM 20MHZ 80486SX W/4MB 240-8126-10 2/S,D
BD ASM 33MHZ 80486DX W/4MB 240-8124-10 2/S,D
BD ASM 33MHZ 80486SX W/4MB 240-8139-10 2/S,D
BD ASM BACKPLANE 5 SLOT 240-8140-10 1/S,D
SCREW THUMB 250-1650-00 D
SPRING COMPRESSION 258-0797-00 D
SPRING STAMPED 5 SLOT 258-0801-00 D
SPRING GROUNDING CLIP 258-0814-00 D
FOOT SQRADH 261-0029-00 1/S,D
MOLDED DRIVE GUIDE 266-1296-00 D
CARD GUIDE 266-1305-00 D
NAME PLATE Z-420/SX 391-0782-0N D
NAME PLATE Z-425/SX 391-0782-0P D
NAME PLATE Z-433/DX 391-0782-0R D
NAME PLATE Z-433/SX 391-0782-0S D
BATTERY 3.6V 418-0076-00 1/S,D
PLUG FASTENER PLASTIC 438-0088-00 D
ADAPTOR 34P 3.5/5.25 438-0107-00 1/S,D
ADAPTOR KEYBOARD 438-0115-00 1/S,D
SWITCH SHAFT MOLDED 453-0379-00 D
KNOB MLD PLST W/PAD 462-1404-0A 1/S,D
PLUG BUTTON METAL 485-0073-00 D

* Recommended spares effect immediate repair in 75% of all cases.

- Stocking Requirement: S = Service Center
D = Depot Repair Facility

Part numbers are in effect as of this date and are subject to change without prior notice from Zenith Data Systems.

ATTACHMENT B

ACCESSORIES AND UPGRADES

Description Part Number Recommended Spares Per 100*/Stocking Requirement
CO-PROCESSORS

PC-0030 25 MHz 80487SX
DG IC CMOS 80487SX 25 MHz 443-1760-00 D

PERFORMANCE UPGRADE

PC-0040 40 MHZ
DG IC CMOS 40 MHz 443-1767-00 D

PC-0050 50 MHZ
DG IC CMOS 50 MHz 443-1766-00 D

PC-0060 66 MHZ
DG IC CMOS 66 MHz 443-1765-00 D

PROCESSOR UPGRADE

PU-0020 33 MHz 80486DX
OSC 66 MHz 150-0621-00 1/S,D
DG IC CMOS 80486DX 33 MHz 443-1682-00 1/S,D

MEMORY

ME-0100 4MB MEMORY UPGRADE
DG IC MOS 443-1687-00 1/S,D

VI-0030 512K VGA UPGRADE
DG IC CMOS 443-1472-00 1/S,D

IDE DRIVE UPGRADES

ZA-3000-HC IDE MASTER SLAVE KIT
CABLE 40C IDE HDD 134-2475-00 1/S,D
PANEL DRV W/MNT 203-2540-0A D
SCREW 6-32 X 0.25 250-1538-00 D
JUMPER 432-1041-00 D
DH-0260 120MB IDE HARD DRIVE
HDD 3.5" 120MB 1" HT 151-1219-C1 2/S,D
CLAMP FH HDD SHT MTL 207-0672-0A D
SCREW PAN PHP 6-32 X .187 250-1557-00 D
JUMPER 432-1041-00 1/S,D

DH-0550 200MB IDE HARD DRIVE
HDD 3.5" 212MB IDE AT 151-1230-C1 2/S,D
CLAMP FH HDD SHT MTL 207-0672-0A D
SCREW PAN PHP 6-32 X .187 250-1557-00 D
JUMPER 432-1041-00 1/S,D

DH-0560 400MB IDE HARD DRIVE
HDD 3.5" 426MB AT 151-1194-W2 2/S,D
CLAMP FH HDD SHT MTL 207-0672-0A D
SCREW PAN PHP 6-32 X .187 250-1557-00 D
JUMPER 432-1041-00 1/S,D

FLOPPY DRIVE UPGRADES

DF-0060 1.2MB FLOPPY DRIVE
CABLE 34P 1.2MB FDD 134-2482-00 1/S,D
FDD 5.25" 32MM 151-1211-R1 1/S,D
SCREW PHP 3 X 5.8MM 810-0061-00 D

TAPE BACKUP

DT-0180 525MB SCSI TAPE DRIVE
525MB TAPE DRIVE 151-1180-M1 1/S,D

DT-0170 1GB SCSI TAPE DRIVE
1GB SCSI TAPE DRIVE 151-1212-A1 1/S,D

DT-0130 150MB SCSI TAPE DRIVE
150MB SCSI TAPE DRIVE 151-1214-A1 1/S,D

SCSI CONTROLLER

IF-0430
BD ASM SCSI CTLR 152-0063-M1 1/S,D

KEYBOARD

IB-0010 101 KEYBOARD US
KEYBOARD 101 US 163-0089-00 1/S,D

IB-0020 102 KEYBOARD DANISH
KEYBOARD 102 DANISH 163-0089-0A 1/S,D
IB-0030 102 KEYBOARD BRITISH
KEYBOARD 102 BRITISH 163-0089-0B 1/S,D

IB-0040 102 KEYBOARD SWISS
KEYBOARD 102 SWISS 163-0089-0C 1/S,D

IB-0050 102 KEYBOARD GERMAN
KEYBOARD 102 GERMAN 163-0089-0D 1/S,D

IB-0060 102 KEYBOARD SPANISH
KEYBOARD 102 SPANISH 163-0089-0E 1/S,D

IB-0070 102 KEYBOARD FRENCH
KEYBOARD 102 FRENCH 163-0089-0F 1/S,D

IB-0080 102 KEYBOARD NORWEGIAN
KEYBOARD 102 NORWEGIAN 163-0089-0N 1/S,D

IB-0090 102 KEYBOARD PORTUGUE
KEYBOARD 102 PORTUGUE 163-0089-0P 1/S,D

IB-0100 102 KEYBOARD SWEDISH
KEYBOARD 102 SWEDISH 163-0089-0S 1/S,D

IB-110 KEYBOARD 102 ITALIAN
KEYBOARD 102 ITALIAN 163-0089-0T 1/S,D

IB-0120 KEYBOARD 102 BELGIAN/FLEMISH
KEYBOARD 102 BELGIAN/FLEMISH 163-0089-0Y 1/S,D

MOUSE

IM-0010 MICROSOFT PS/2-STYLE MOUSE
MOUSE MICROSOFT PS/2-style 150-0594-00 1/S,D

IM-0020 3 BUTTON PS/2-STYLE MOUSE
MOUSE LOGITEC 3-BUTTON 150-0607-00 1/S,D

CD-ROM

DO-0030 INTERNAL CD-ROM PLAYER
CD-ROM DRIVE 151-1213-Z1 1/S,D

DATA TRANSFER
ZA-3900-S2 SECOND SERIAL PORT
CABLE 16C 134-2444-00 1/S,D
BOARD ASM 240-8044-10 1/S,D

LN-0170 8-BIT ETHERNET CARD
ETHERNET BOARD 150-0641-00 1/S,D

IF-0270 16-BIT ETHERNET CARD
BOARD ASM 239-0957-00 1/S,D

IF-0120 8 PORT SERIAL BOARD
BOARD ASM 2339-0959-00 1/S,D

IF-0130 16 PORT SERIAL BOARD
BOARD ASM 239-0954-00 1/S,D

STANDS

ZA-0160 5 HIGH STAND
BASE STAND 5 HI 94-0916-0A D

CABLES

CA-0110 25 PIN PARALLEL CABLE
CABLE 25 PIN PARALLEL 134-2480-00 D

CA-0120 25-9 PIN SERIAL CABLE
CABLE 25-9 PIN SERIAL 25 134-2479-00 D

ACCESSORY PACK

ZA-3900-AP ACCESSORY PACK
CLAMP SECURITY 207-0666-00 D
NUT LOCK 252-0799-00 D
LOCK ASSEMBLY 266-1425-00 1/S,D
ADAPTOR 34P 3.5/5.25 438-0107-00 1/S,D

* Recommended spares effect immediate repair in 75% of all cases.

- Stocking Requirement: S = Service Center
D = Depot Repair Facility

Part numbers are in effect as of this date and are subject to change without prior notice from Zenith Data Systems.

Copyright 1991-1996 Packard Bell Electronics, Inc.