GESPAC

GESSBS-38A, 46A

Device Type

Mainboard

Processor

80386SX/CX486SLC-2

Processor Speed

25/50MHz

Chip Set

VLSI

Video Chip Set

Unidentified

Maximum Onboard Memory

None

Maximum Video Memory

Unidentified

Cache

None

BIOS

Unidentified

Dimensions

Unidentified

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2), PC/104 connectors (2), flat panel connector, G-96 bus interface

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

G-96 bus interface

P1

VGA interface

P5

PC/104 connector (8-bit)

P2

Reset switch

P6

PC/104 connector (16-bit)

P3

IDE/floppy drive interface

P7

Flat panel connector

P4

Keyboard, speaker, COM1, COM2, LPT

P8

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

IRQ11 from IRQ3 (G-96 bus)

J5

Pins 1 & 2 closed

 

IRQ11 from PC/104

J5

Pins 2 & 3 closed

 

Pipeline address enabled

J6

Closed

 

Pipeline address disabled

J6

Open

 

IRQ14 from IDE

J7

Pins 1 & 2 closed

 

IRQ14 from PC/104

J7

Pins 2 & 3 closed

 

GESMFI-3 access on G-96 enabled

J8

Closed

 

GESMFI-3 access on G-96 disabled

J8

Open

 

IRQ10 from IRQ2 (G-96 bus)

J10

Pins 1 & 2 closed

 

IRQ10 from PC/104

J10

Pins 2 & 3 closed

 

IRQ5 from J16

J11

Pins 1 & 2 closed

 

IRQ5 from PC/104

J11

Pins 2 & 3 closed

 

BIOS type select flash BIOS

J12

Pins 1 & 2 closed

 

BIOS type select EPROM

J12

Pins 2 & 3 closed

 

IRQ12 from IRQ4 (G-96 bus)

J14

Pins 1 & 2 closed

 

IRQ12 from PC/104

J14

Pins 2 & 3 closed

 

IRQ15 from IRQ5 (G-96 bus)

J15

Pins 1 & 2 closed

 

IRQ15 from PC/104

J15

Pins 2 & 3 closed

 

G-96 NMI or PWF to IRQ5

J16

Pins 1 & 2 closed

 

G-96 NMI or PWF to MPU NMI

J16

Pins 2 & 3 closed

»

Factory configured - do not alter

J18

Unidentified

 

G-96 bus normal operation

J19

Closed

 

G-96 bus disabled

J19

Open

 

Boot on SSD enabled

J20

Pins 2 & 3 closed

 

Boot on SSD disabled

J20

Open

»

Factory configured –do not alter (flash programming enabled)

J21

Pins 1 – 4 closed

VIDEO SELECTION

Setting

J2/1

J2/2

J2/3

C8SS-16:STN passive matrix 16-bit, 8-colors, single panel/scan

Closed

Closed

Closed

M2DD8 4MHz pixel clock for monochrome panel

Open

Closed

Closed

TFT active matrix color

Open

Open

Closed

Monochrome

Open

Closed

Open

640 x 480 color

Closed

Open

Open

1024 x 768 color

Closed

Open

Closed

None installed

Open

Open

Open

BATTERY SELECTION

Setting

Power

J1

Reset RTC battery backed RAM

Off

Pins 1 & 2 closed

Battery connected

On

Pins 2 & 3 closed

Battery activated

Off

Pins 2 & 3 closed

Battery disconnected

On

Open

MEMORY MAP SELECTION

Setting

J4

J17

D0000 – D7FFF on VMA G-96 bus

N/A

Open

D0000 – DFFFF on PC-104 bus

Open

Closed

D0000 – D7FFF on PC-104 bus

Closed

Closed

WATCHDOG TIMER SELECTION

Setting

J9

J24

Watchdog output directed to Maskable NMI

Pins 1 & 2 closed

N/A

Watchdog NMI disabled

Open

N/A

Watchdog output directed to reset

N/A

Closed

Watchdog reset generation disabled

N/A

Open

SSD SELECTION

Memory map

SSD selection

J13

C8000 – CBFFF on G-96 bus

External SSD

Closed

C8000 – CBFFF for PC/104 or internal SSD

Internal SSD in U30

Open

IRQ/NMI SELECTION

Setting

J3

G-96 IRQ1 to internal IRQ9

Pins 2 & 5 closed

PC/104 IRQ1 to internal IRQ9

Pins 3 & 4 closed