DELTA 046-3.4-0788 The Retro Web Owner’s Manual
- July 4, 2024
- Delta
Table of Contents
DELTA 046-3.4-0788 The Retro Web
Product Specifications
- Model: DELTA 046-3.4-0788
- Processor: 80286
- Processor Speed: 6/8/10/12/16/20MHz
- Chip Set: C & T NEAT
- Max. Onboard DRAM: 4MB
- SRAM Cache: None
- BIOS: Award
- Dimensions: 330mm x 218mm
- I/O Options: 16-bit external memory card slot, auxiliary keyboard connector
- NPU Options: 80287
Product Usage Instructions
Connections and Components
- J9: Power LED & keylock
- P2: External battery
- P3: 16-bit external memory card
- P4: Location P5 P8 S1
User Configurable Settings
- Jumper/Switch J4: BIOS type select (27256/27128)
- Jumper/Switch J5: Keyboard controller clock speed select (12MHz)
- Jumper/Switch J7: Battery type select (Alkaline/Lithium)
- Jumper/Switch J8: Power good signal detect from board
- SW1/Switch 3: Monitor type select (color/monochrome)
CPU Speed/Bus Clock Configuration
- J2, J3, J10: CPU Speed at Bus Speed settings for various MHz configurations
NPU Clock Rate Configuration
- SW1/Switch 1: NPU Clock Rate selection (6/8/10/12MHz)
- SW1/Switch 2: Size selection (512KB/1MB/2MB/4MB) and Bank configuration
Frequently Asked Questions (FAQ)
- Q: How do I select the BIOS type?
A: You can select the BIOS type using Jumper/Switch J4 for either 27256 or
-
Q: How do I configure the CPU speed and bus clock?
A: Use jumpers J2, J3, and J10 to set the CPU speed at different bus speeds based on the MHz configuration. -
Q: How can I choose the NPU clock rate and size?
A: Adjust SW1/Switch 1 for the NPU clock rate (6/8/10/12MHz) and SW1/Switch 2 for size selection (512KB/1MB/2MB/4MB) and Bank configuration.
DELTA
046-3.4-0788
- Processor 80286
- Processor Speed 6/8/10/12/16/20MHz
- Chip Set C & T NEAT
- Max. Onboard DRAM 4MB
- SRAM Cache None
- BIOS Award
- Dimensions 330mm x 218mm
- I/O Options 16-bit external memory card slot, auxillary keyboard connector
- NPU Options 80287
CONNECTIONS
Purpose| Location| Purpose| Location
Auxiliary keyboard| J9| Power LED & keylock| P5
Turbo LED| P2| External battery| P8
Speaker| P3| 16-bit external memory card| S1
Reset switch| P4| |
USER CONFIGURABLE SETTINGS
Function| Jumper/Switch| Position
BIOS type select 27256| J4| pins 2 & 3 closed
BIOS type select 27128| J4| pins 1 & 2 closed
í Keyboard controller clock speed select 6MHz| J5| pins 1 & 2 closed
Keyboard controller clock speed select 12MHz| J5| pins 2 & 3 closed
Battery type select Alkaline 4.5VDC| J7| closed
Battery type select Lithium 6VDC| J7| open
í Power good signal detect from power supply| J8| pins 2 & 3 closed
Power good signal detect from board| J8| pins 1 & 2 closed
Monitor type select color| SW1/Switch 3| closed
Monitor type select monochrome| SW1/Switch 3| open
CPU SPEED/BUS CLOCK CONFIGURATION
CPU Speed| AT Bus Speed| J2| J3| J10| J13| J14
20MHz| 8MHz| pins 1 & 2| pins 1 & 2| pins 2 & 3| open| open
20MHz| 10MHz| N/A| pins 1 & 2| pins 2 & 3| closed| open
20MHz| 12MHz| pins 2 & 3| pins 1 & 2| pins 2 & 3| open| open
16MHz| 8MHz| pins 1 & 2| pins 1 & 2| pins 1 & 2| open| open
16MHz| 12MHz| pins 2 & 3| pins 1 & 2| pins 1 & 2| open| open
12MHz| 6MHz| N/A| pins 2 & 3| N/A| closed| open
12MHz| 8MHz| pins 1 & 2| pins 2 & 3| N/A| open| open
12MHz| 12MHz| pins 2 & 3| N/A| N/A| open| closed
10MHz| 10MHz| N/A| pins 1 & 2| pins 2 & 3| closed| closed
8MHz| 8MHz| pins 1 & 2| N/A| N/A| open| closed
6MHz| 6MHz| N/A| pins 2 & 3| N/A| closed| closed
Note: Pins designated should be in the closed position.
NPU CLOCK RATE CONFIGURATION
NPU Speed| Clock Rate| SW1/Switch 1| SW1/Switch 2
80287-8| 6MHz| closed| closed
80287-8| 8MHz| closed| open
80287-10| 10MHz| open| closed
80287-12| 12MHz| open| open
DRAM CONFIGURATION
Size| Bank 0| Bank 1| J11| J12
512KB| (2) 256K x 9| NONE| open| open
1MB| (2) 256K x 9| (2) 256K x 9| closed| open
2MB| (2) 1M x 9| NONE| open| closed
4MB| (2) 1M x 9| (2) 1M x 9| closed| closed
Copyright © 1992, 1993, Micro House International 303-443-3388. All rights reserved. Including the right of reproduction in any form.