Compal JHL90 Series Notebook Service Manual – PDF Download
$20.95
Factory service manual for Compal JHL90 Series Notebooks (Intel Montevina platform).
Includes system specifications, motherboard schematics, BIOS/EC firmware functions, disassembly, power management, and troubleshooting.
Description
Compal JHL90 Series Notebook Service Manual – PDF Download
Description
Overview
The Compal JHL90 Service Manual provides complete hardware and software-level documentation for the Compal JHL90 notebook platform. It supports system diagnosis, board-level maintenance, BIOS recovery, and embedded controller testing for the Intel Montevina architecture notebooks used in many OEM laptops such as MSI and Clevo derivatives
135148081-JHL90-Service-Manual
Hardware Specification
CPU Support: Intel Penryn 45 nm processors (2.26 GHz – 2.8 GHz) with 1066 MHz FSB, up to 6 MB L2 cache.
Chipset: Intel Cantiga PM45/GM45 with ICH9M Southbridge.
Memory: DDR2 667/800 MHz, dual SODIMM slots (up to 4 GB).
Display: 14.1″–15.4″ WXGA / WXGA+ / WSXGA+ LCDs (1280×800 to 1680×1050).
Graphics: MXM-II NVIDIA NB9M-GS (256 MB) or NB9P-GS (512 MB) GDDR3 GPUs.
Storage: SATA HDD (80–250 GB 5400 rpm / 7200 rpm), easily removable; SATA ODD (12.7 mm DVD Super Multi / Blu-ray).
Audio: Realtek ALC268 HD Audio, dual speakers, internal mic array.
LAN: Realtek RTL8111C (1 Gbps) or RTL8102E (10/100 Mbps).
Wireless: Intel 802.11 a/b/g/n (Shirley Peak / Echo Peak WiMAX).
Bluetooth: Foxconn Broadcom V2.1 + EDR module.
Ports: 3× USB 2.0, HDMI, VGA, S-Video, audio I/O, LAN, modem, card reader, ExpressCard, Kensington Lock
135148081-JHL90-Service-Manual
Firmware & BIOS Information
Phoenix First BIOS (2048 KB ROM).
Shared System/Keyboard BIOS single ROM.
Boot Block Protection prevents corruption during flash.
ACPI 2.0 Compliant with full C-states, S3/S4 support, thermal throttling, and sleep wake.
TPM 1.2 support, BIOS setup via F2/F12 keys, crisis recovery via Fn + B.
Embedded Controller: ENE KB926 handles power events, LEDs, and fan control logic.
Thermal & Power Management
| Mode | Description |
|---|---|
| S3 Sleep | CPU throttle, VGA suspend, HDD power down. |
| S4 Hibernate | System state saved to disk; resume via RTC/LAN/Power Key. |
| Fan Control Logic | Step-based RPM scaling (2500–4200 RPM) from 45 °C to 70 °C. |
| Thermal Shutdown | Triggered > 95 °C (EC auto off protection). |
| Wake Events | Power button, LAN, RTC alarm, battery low 135148081-JHL90-Service-Manual . |
Keyboard & Hot Keys
85/86 keys with Fn combos for brightness, mute, media control, and wireless toggle.
Fn + F2 – Wi-Fi/Bluetooth on/off.
Fn + F5/F4 – brightness up/down.
Fn + F7/F8 – volume control.
Fn + F9–F12 – media play functions.
Sticky Key support and internal keyboard wake-from-S3
135148081-JHL90-Service-Manual
Embedded Controller Command Set
EC handles battery status, thermal sensor feedback, LED state, and SMBus communication.
Fan commands (46h/49h) allow reading RPM and temperature threshold adjustments.
EEPROM map (00h–7FFh) stores system serials, UUID, asset tags, and branding flags
135148081-JHL90-Service-Manual
Disassembly & Maintenance
Modular layout with removable HDD, ODD, and battery.
Access panels for RAM and Wi-Fi modules.
Illustrated step-by-step disassembly sections cover keyboard, thermal module, CPU fan, and mainboard replacement.
Recommended torque values for heatsink screws and chassis reassembly included.
📄 File Details
| Parameter | Information |
|---|---|
| File Type | PDF (Digital Download) |
| File Size | ≈ 9.40 MB |
| Page Count | ~ 176 pages |
| Language | English |
| Edition | Rev 1.0 – 2008 |
| Platform Covered | JHL90 / JHT00 / HL91 / JHT01 Series |
| Searchable Text | Yes (OCR Enabled) |
| Compatibility | Windows / macOS / Android / iOS |
| Publisher | Compal Electronics Inc. |
